{"id":88440,"date":"2019-02-15T13:00:06","date_gmt":"2019-02-15T11:00:06","guid":{"rendered":"https:\/\/www.javacodegeeks.com\/?p=88440"},"modified":"2019-02-18T14:26:44","modified_gmt":"2019-02-18T12:26:44","slug":"spring-field-dependency-injection-example","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/2019\/02\/spring-field-dependency-injection-example.html","title":{"rendered":"Spring Field Dependency Injection Example"},"content":{"rendered":"<p>Learn how to write a <strong>Spring Field Injection example<\/strong>. The <strong>Field Injection<\/strong> is a type of <em>Spring Frameworks <\/em><strong>Dependency Injection<\/strong>. In this tutorial we will write couple of classes and see hot the Field Injection Works.<\/p>\n<p><b><i>More on Spring Dependency Injection:<\/i><\/b><\/p>\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/www.amitph.com\/spring-setter-injection-example\/\">Spring Setter Dependency Injection Example<\/a><\/li>\n<li><a href=\"http:\/\/www.amitph.com\/spring-constructor-injection-example\/\">Spring Constructor Dependency Injection Example<\/a><\/li>\n<li><a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">Spring Dependency Injection \u2013 Field vs Setter vs Constructor Injection<\/a><\/li>\n<li><a href=\"http:\/\/www.amitph.com\/spring-dependency-injection-inversion-control\/\">Spring Dependency Injection and Inversion of Control<\/a><\/li>\n<\/ul>\n<h3 class=\"wp-block-heading\">Field Based Dependency Injection<\/h3>\n<p>In this type of Dependency Injection, Spring assigns the dependencies directly to the fields. It is different than <a href=\"http:\/\/www.amitph.com\/spring-constructor-injection-example\/\">Constructor Injection<\/a> or <a href=\"http:\/\/www.amitph.com\/spring-setter-injection-example\/\">Setter based Dependency Injection<\/a>.<\/p>\n<p>The interesting thing to understand is, Spring injects the dependencies, even if the field is private. Spring uses <a href=\"https:\/\/docs.oracle.com\/javase\/tutorial\/reflect\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Java Reflections (opens in a new tab)\">Java Reflections<\/a> to do so. Hence it is called unsafe by many of the experts.<\/p>\n<p>The <strong>Field&nbsp;Injection<\/strong> is probably the simplest (yet risky) form of <strong>Dependency&nbsp;Injection<\/strong>. To understand it better we will assume we have a running <strong>Spring Boot Service<\/strong>. It is a dummy service for the purpose of understanding Field Injection.<\/p>\n<p>Don\u2019t know how to write Spring Boot Rest Service?<\/p>\n<p>Read this:<br \/><a href=\"http:\/\/www.amitph.com\/spring-boot-rest-service\/\">Spring Boot Rest Service<\/a><\/p>\n<p><b>Want to learn more about Spring Framework ?<\/b><\/p>\n<p>Read this:<\/p>\n<ul class=\"wp-block-list\">\n<li><a href=\"http:\/\/www.amitph.com\/introduction-to-spring-framework\/\">Introduction to Spring Framework<\/a><\/li>\n<li><a href=\"http:\/\/www.amitph.com\/spring-framework-architecture\/\">Spring Architecture<\/a><\/li>\n<li><a href=\"http:\/\/www.amitph.com\/spring-autowired-guide\/\">Spring @Autowired<\/a><\/li>\n<li><a href=\"http:\/\/www.amitph.com\/spring-autowired-guide\/\">@Autowired annotation in Spring<\/a><\/li>\n<\/ul>\n<p>Let\u2019s write our DogsService class first<\/p>\n<h3 class=\"wp-block-heading\">The Dogs Service<\/h3>\n<p>This class has a dependency over <code>DogsDao<\/code>. As annotated the reference variable with <code>@Autowired<\/code>. There is a <em>setter<\/em> and two <em>constructors<\/em> with respective print messages.<\/p>\n<div>\n<div id=\"highlighter_910079\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">01<\/div>\n<div class=\"line number2 index1 alt1\">02<\/div>\n<div class=\"line number3 index2 alt2\">03<\/div>\n<div class=\"line number4 index3 alt1\">04<\/div>\n<div class=\"line number5 index4 alt2\">05<\/div>\n<div class=\"line number6 index5 alt1\">06<\/div>\n<div class=\"line number7 index6 alt2\">07<\/div>\n<div class=\"line number8 index7 alt1\">08<\/div>\n<div class=\"line number9 index8 alt2\">09<\/div>\n<div class=\"line number10 index9 alt1\">10<\/div>\n<div class=\"line number11 index10 alt2\">11<\/div>\n<div class=\"line number12 index11 alt1\">12<\/div>\n<div class=\"line number13 index12 alt2\">13<\/div>\n<div class=\"line number14 index13 alt1\">14<\/div>\n<div class=\"line number15 index14 alt2\">15<\/div>\n<div class=\"line number16 index15 alt1\">16<\/div>\n<div class=\"line number17 index16 alt2\">17<\/div>\n<div class=\"line number18 index17 alt1\">18<\/div>\n<div class=\"line number19 index18 alt2\">19<\/div>\n<div class=\"line number20 index19 alt1\">20<\/div>\n<div class=\"line number21 index20 alt2\">21<\/div>\n<div class=\"line number22 index21 alt1\">22<\/div>\n<div class=\"line number23 index22 alt2\">23<\/div>\n<div class=\"line number24 index23 alt1\">24<\/div>\n<div class=\"line number25 index24 alt2\">25<\/div>\n<div class=\"line number26 index25 alt1\">26<\/div>\n<div class=\"line number27 index26 alt2\">27<\/div>\n<div class=\"line number28 index27 alt1\">28<\/div>\n<div class=\"line number29 index28 alt2\">29<\/div>\n<div class=\"line number30 index29 alt1\">30<\/div>\n<div class=\"line number31 index30 alt2\">31<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">com.amitph.spring.dogs.dao.DogsDao;<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">com.amitph.spring.dogs.repo.Dog;<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.springframework.beans.factory.annotation.Autowired;<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.springframework.stereotype.Component;<\/code><\/div>\n<div class=\"line number5 index4 alt2\">&nbsp;<\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">java.util.List;<\/code><\/div>\n<div class=\"line number7 index6 alt2\">&nbsp;<\/div>\n<div class=\"line number8 index7 alt1\"><code class=\"java color1\">@Component<\/code><\/div>\n<div class=\"line number9 index8 alt2\"><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">class<\/code> <code class=\"java plain\">DogsService {<\/code><\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Autowired<\/code><\/div>\n<div class=\"line number11 index10 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">private<\/code> <code class=\"java plain\">DogsDao dao;<\/code><\/div>\n<div class=\"line number12 index11 alt1\">&nbsp;<\/div>\n<div class=\"line number13 index12 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">List&lt;Dog&gt; getDogs() {<\/code><\/div>\n<div class=\"line number14 index13 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsService.getDogs called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number15 index14 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">return<\/code> <code class=\"java plain\">dao.getAllDogs();<\/code><\/div>\n<div class=\"line number16 index15 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number17 index16 alt2\">&nbsp;<\/div>\n<div class=\"line number18 index17 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">void<\/code> <code class=\"java plain\">setDao(DogsDao dao) {<\/code><\/div>\n<div class=\"line number19 index18 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsService setter called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number20 index19 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">this<\/code><code class=\"java plain\">.dao = dao;<\/code><\/div>\n<div class=\"line number21 index20 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number22 index21 alt1\">&nbsp;<\/div>\n<div class=\"line number23 index22 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">DogsService(){<\/code><\/div>\n<div class=\"line number24 index23 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsService no-arg constructor called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number25 index24 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number26 index25 alt1\">&nbsp;<\/div>\n<div class=\"line number27 index26 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">DogsService(DogsDao dao) {<\/code><\/div>\n<div class=\"line number28 index27 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsService arg constructor called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number29 index28 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">this<\/code><code class=\"java plain\">.dao = dao;<\/code><\/div>\n<div class=\"line number30 index29 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number31 index30 alt2\"><code class=\"java plain\">}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">The Dogs Controller<\/h3>\n<p>The Controller has a dependency over the <code>DogsService<\/code>. Similar to the service class the annotation <code>@Autowired<\/code> is added to the reference variable. There are setter and constructors with print messages.<\/p>\n<div>\n<div id=\"highlighter_110221\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">01<\/div>\n<div class=\"line number2 index1 alt1\">02<\/div>\n<div class=\"line number3 index2 alt2\">03<\/div>\n<div class=\"line number4 index3 alt1\">04<\/div>\n<div class=\"line number5 index4 alt2\">05<\/div>\n<div class=\"line number6 index5 alt1\">06<\/div>\n<div class=\"line number7 index6 alt2\">07<\/div>\n<div class=\"line number8 index7 alt1\">08<\/div>\n<div class=\"line number9 index8 alt2\">09<\/div>\n<div class=\"line number10 index9 alt1\">10<\/div>\n<div class=\"line number11 index10 alt2\">11<\/div>\n<div class=\"line number12 index11 alt1\">12<\/div>\n<div class=\"line number13 index12 alt2\">13<\/div>\n<div class=\"line number14 index13 alt1\">14<\/div>\n<div class=\"line number15 index14 alt2\">15<\/div>\n<div class=\"line number16 index15 alt1\">16<\/div>\n<div class=\"line number17 index16 alt2\">17<\/div>\n<div class=\"line number18 index17 alt1\">18<\/div>\n<div class=\"line number19 index18 alt2\">19<\/div>\n<div class=\"line number20 index19 alt1\">20<\/div>\n<div class=\"line number21 index20 alt2\">21<\/div>\n<div class=\"line number22 index21 alt1\">22<\/div>\n<div class=\"line number23 index22 alt2\">23<\/div>\n<div class=\"line number24 index23 alt1\">24<\/div>\n<div class=\"line number25 index24 alt2\">25<\/div>\n<div class=\"line number26 index25 alt1\">26<\/div>\n<div class=\"line number27 index26 alt2\">27<\/div>\n<div class=\"line number28 index27 alt1\">28<\/div>\n<div class=\"line number29 index28 alt2\">29<\/div>\n<div class=\"line number30 index29 alt1\">30<\/div>\n<div class=\"line number31 index30 alt2\">31<\/div>\n<div class=\"line number32 index31 alt1\">32<\/div>\n<div class=\"line number33 index32 alt2\">33<\/div>\n<div class=\"line number34 index33 alt1\">34<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">com.amitph.spring.dogs.repo.Dog;<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">com.amitph.spring.dogs.service.DogsService;<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.springframework.beans.factory.annotation.Autowired;<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.springframework.web.bind.annotation.GetMapping;<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.springframework.web.bind.annotation.RequestMapping;<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">org.springframework.web.bind.annotation.RestController;<\/code><\/div>\n<div class=\"line number7 index6 alt2\">&nbsp;<\/div>\n<div class=\"line number8 index7 alt1\"><code class=\"java keyword\">import<\/code> <code class=\"java plain\">java.util.List;<\/code><\/div>\n<div class=\"line number9 index8 alt2\">&nbsp;<\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java color1\">@RestController<\/code><\/div>\n<div class=\"line number11 index10 alt2\"><code class=\"java color1\">@RequestMapping<\/code><code class=\"java plain\">(<\/code><code class=\"java string\">\"\/dogs\"<\/code><code class=\"java plain\">)<\/code><\/div>\n<div class=\"line number12 index11 alt1\"><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">class<\/code> <code class=\"java plain\">DogsController {<\/code><\/div>\n<div class=\"line number13 index12 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Autowired<\/code><\/div>\n<div class=\"line number14 index13 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">private<\/code> <code class=\"java plain\">DogsService service;<\/code><\/div>\n<div class=\"line number15 index14 alt2\">&nbsp;<\/div>\n<div class=\"line number16 index15 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@GetMapping<\/code><\/div>\n<div class=\"line number17 index16 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">List&lt;Dog&gt; getDogs() {<\/code><\/div>\n<div class=\"line number18 index17 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">return<\/code> <code class=\"java plain\">service.getDogs();<\/code><\/div>\n<div class=\"line number19 index18 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number20 index19 alt1\">&nbsp;<\/div>\n<div class=\"line number21 index20 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">void<\/code> <code class=\"java plain\">setService(DogsService service) {<\/code><\/div>\n<div class=\"line number22 index21 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsController setter called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number23 index22 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">this<\/code><code class=\"java plain\">.service = service;<\/code><\/div>\n<div class=\"line number24 index23 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number25 index24 alt2\">&nbsp;<\/div>\n<div class=\"line number26 index25 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">DogsController(){<\/code><\/div>\n<div class=\"line number27 index26 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsController no-arg constructor called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number28 index27 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number29 index28 alt2\">&nbsp;<\/div>\n<div class=\"line number30 index29 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">public<\/code> <code class=\"java plain\">DogsController(DogsService service) {<\/code><\/div>\n<div class=\"line number31 index30 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">System.out.println(<\/code><code class=\"java string\">\"DogsController arg constructor called\"<\/code><code class=\"java plain\">);<\/code><\/div>\n<div class=\"line number32 index31 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java keyword\">this<\/code><code class=\"java plain\">.service = service;<\/code><\/div>\n<div class=\"line number33 index32 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">}<\/code><\/div>\n<div class=\"line number34 index33 alt1\"><code class=\"java plain\">}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"wp-block-heading\">Run the Code<\/h3>\n<div>\n<div id=\"highlighter_984610\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">01<\/div>\n<div class=\"line number2 index1 alt1\">02<\/div>\n<div class=\"line number3 index2 alt2\">03<\/div>\n<div class=\"line number4 index3 alt1\">04<\/div>\n<div class=\"line number5 index4 alt2\">05<\/div>\n<div class=\"line number6 index5 alt1\">06<\/div>\n<div class=\"line number7 index6 alt2\">07<\/div>\n<div class=\"line number8 index7 alt1\">08<\/div>\n<div class=\"line number9 index8 alt2\">09<\/div>\n<div class=\"line number10 index9 alt1\">10<\/div>\n<div class=\"line number11 index10 alt2\">11<\/div>\n<div class=\"line number12 index11 alt1\">12<\/div>\n<div class=\"line number13 index12 alt2\">13<\/div>\n<div class=\"line number14 index13 alt1\">14<\/div>\n<div class=\"line number15 index14 alt2\">15<\/div>\n<div class=\"line number16 index15 alt1\">16<\/div>\n<div class=\"line number17 index16 alt2\">17<\/div>\n<div class=\"line number18 index17 alt1\">18<\/div>\n<div class=\"line number19 index18 alt2\">19<\/div>\n<div class=\"line number20 index19 alt1\">20<\/div>\n<div class=\"line number21 index20 alt2\">21<\/div>\n<div class=\"line number22 index21 alt1\">22<\/div>\n<div class=\"line number23 index22 alt2\">23<\/div>\n<div class=\"line number24 index23 alt1\">24<\/div>\n<div class=\"line number25 index24 alt2\">25<\/div>\n<div class=\"line number26 index25 alt1\">26<\/div>\n<div class=\"line number27 index26 alt2\">27<\/div>\n<div class=\"line number28 index27 alt1\">28<\/div>\n<div class=\"line number29 index28 alt2\">29<\/div>\n<div class=\"line number30 index29 alt1\">30<\/div>\n<div class=\"line number31 index30 alt2\">31<\/div>\n<div class=\"line number32 index31 alt1\">32<\/div>\n<div class=\"line number33 index32 alt2\">33<\/div>\n<div class=\"line number34 index33 alt1\">34<\/div>\n<div class=\"line number35 index34 alt2\">35<\/div>\n<div class=\"line number36 index35 alt1\">36<\/div>\n<div class=\"line number37 index36 alt2\">37<\/div>\n<div class=\"line number38 index37 alt1\">38<\/div>\n<div class=\"line number39 index38 alt2\">39<\/div>\n<div class=\"line number40 index39 alt1\">40<\/div>\n<div class=\"line number41 index40 alt2\">41<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\">.&nbsp;&nbsp; ____&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; _&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; __ _ _<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java spaces\">&nbsp;<\/code><code class=\"java plain\">\/\\\\ \/ ___'_ __ _ _(_)_ __&nbsp; __ _ \\ \\ \\ \\<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java plain\">( ( )\\___ | <\/code><code class=\"java string\">'_ | '<\/code><code class=\"java plain\">_| | '_ \\\/ _` | \\ \\ \\ \\<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java spaces\">&nbsp;<\/code><code class=\"java plain\">\\\\\/&nbsp; ___)| |_)| | | | | || (_| |&nbsp; ) ) ) )<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;<\/code><code class=\"java plain\">'&nbsp; |____| .__|_| |_|_| |_\\__, | \/ \/ \/ \/<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java spaces\">&nbsp;<\/code><code class=\"java plain\">=========|_|==============|___\/=\/_\/_\/_\/<\/code><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java spaces\">&nbsp;<\/code><code class=\"java plain\">:: Spring Boot ::&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (v2.<\/code><code class=\"java value\">1.0<\/code><code class=\"java plain\">.RELEASE)<\/code><\/div>\n<div class=\"line number8 index7 alt1\">&nbsp;<\/div>\n<div class=\"line number9 index8 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">14.956<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] com.amitph.spring.dogs.Application&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : Starting Application on Amits-office-mac.local with PID <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">(\/Users\/aphaltankar\/Workspace\/personal\/dog-service-jpa\/out\/production\/classes started by aphaltankar in \/Users\/aphaltankar\/Workspace\/personal\/dog-service-jpa)<\/code><\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">14.957<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] com.amitph.spring.dogs.Application&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : No active profile set, falling back to <\/code><code class=\"java keyword\">default<\/code> <code class=\"java plain\">profiles: <\/code><code class=\"java keyword\">default<\/code><\/div>\n<div class=\"line number11 index10 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">15.655<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data repositories in DEFAULT mode.<\/code><\/div>\n<div class=\"line number12 index11 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">15.711<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 50ms. Found <\/code><code class=\"java value\">1<\/code> <code class=\"java plain\">repository interfaces.<\/code><\/div>\n<div class=\"line number13 index12 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.013<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] trationDelegate$BeanPostProcessorChecker : Bean <\/code><code class=\"java string\">'org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration'<\/code> <code class=\"java plain\">of type [org.springframework.transaction.annotation.ProxyTransactionManagementConfiguration$EnhancerBySpringCGLIB$1cc57cd7] is not eligible <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">getting processed by all BeanPostProcessors (<\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">example: not eligible <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">auto-proxying)<\/code><\/div>\n<div class=\"line number14 index13 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.318<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.embedded.tomcat.TomcatWebServer&nbsp; : Tomcat initialized with port(s): <\/code><code class=\"java value\">8080<\/code> <code class=\"java plain\">(http)<\/code><\/div>\n<div class=\"line number15 index14 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.335<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.apache.catalina.core.StandardService&nbsp;&nbsp; : Starting service [Tomcat]<\/code><\/div>\n<div class=\"line number16 index15 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.335<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] org.apache.catalina.core.StandardEngine&nbsp; : Starting Servlet Engine: Apache Tomcat\/<\/code><code class=\"java value\">9.0<\/code><code class=\"java plain\">.<\/code><code class=\"java value\">12<\/code><\/div>\n<div class=\"line number17 index16 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.342<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.a.catalina.core.AprLifecycleListener&nbsp;&nbsp; : The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: [\/Users\/aphaltankar\/Library\/Java\/Extensions:\/Library\/Java\/Extensions:\/Network\/Library\/Java\/Extensions:\/System\/Library\/Java\/Extensions:\/usr\/lib\/java:.]<\/code><\/div>\n<div class=\"line number18 index17 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.429<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.a.c.c.C.[Tomcat].[localhost].[\/]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : Initializing Spring embedded WebApplicationContext<\/code><\/div>\n<div class=\"line number19 index18 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.429<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.web.context.ContextLoader&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : Root WebApplicationContext: initialization completed in <\/code><code class=\"java value\">1419<\/code> <code class=\"java plain\">ms<\/code><\/div>\n<div class=\"line number20 index19 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.454<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.servlet.ServletRegistrationBean&nbsp; : Servlet dispatcherServlet mapped to [\/]<\/code><\/div>\n<div class=\"line number21 index20 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.457<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.servlet.FilterRegistrationBean&nbsp;&nbsp; : Mapping filter: <\/code><code class=\"java string\">'characterEncodingFilter'<\/code> <code class=\"java plain\">to: [\/*]<\/code><\/div>\n<div class=\"line number22 index21 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.458<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.servlet.FilterRegistrationBean&nbsp;&nbsp; : Mapping filter: <\/code><code class=\"java string\">'hiddenHttpMethodFilter'<\/code> <code class=\"java plain\">to: [\/*]<\/code><\/div>\n<div class=\"line number23 index22 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.458<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.servlet.FilterRegistrationBean&nbsp;&nbsp; : Mapping filter: <\/code><code class=\"java string\">'formContentFilter'<\/code> <code class=\"java plain\">to: [\/*]<\/code><\/div>\n<div class=\"line number24 index23 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.458<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.servlet.FilterRegistrationBean&nbsp;&nbsp; : Mapping filter: <\/code><code class=\"java string\">'requestContextFilter'<\/code> <code class=\"java plain\">to: [\/*]<\/code><\/div>\n<div class=\"line number25 index24 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.581<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] com.zaxxer.hikari.HikariDataSource&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : HikariPool-<\/code><code class=\"java value\">1<\/code> <code class=\"java plain\">- Starting...<\/code><\/div>\n<div class=\"line number26 index25 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.702<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] com.zaxxer.hikari.HikariDataSource&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : HikariPool-<\/code><code class=\"java value\">1<\/code> <code class=\"java plain\">- Start completed.<\/code><\/div>\n<div class=\"line number27 index26 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.830<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.hibernate.jpa.internal.util.LogHelper&nbsp; : HHH000204: Processing PersistenceUnitInfo [<\/code><\/div>\n<div class=\"line number28 index27 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">name: <\/code><code class=\"java keyword\">default<\/code><\/div>\n<div class=\"line number29 index28 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java plain\">...]<\/code><\/div>\n<div class=\"line number30 index29 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.906<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] org.hibernate.Version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : HHH000412: Hibernate Core {<\/code><code class=\"java value\">5.3<\/code><code class=\"java plain\">.<\/code><code class=\"java value\">7<\/code><code class=\"java plain\">.Final}<\/code><\/div>\n<div class=\"line number31 index30 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">16.907<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] org.hibernate.cfg.Environment&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : HHH000206: hibernate.properties not found<\/code><\/div>\n<div class=\"line number32 index31 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">17.059<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.hibernate.annotations.common.Version&nbsp;&nbsp; : HCANN000001: Hibernate Commons Annotations {<\/code><code class=\"java value\">5.0<\/code><code class=\"java plain\">.<\/code><code class=\"java value\">4<\/code><code class=\"java plain\">.Final}<\/code><\/div>\n<div class=\"line number33 index32 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">17.188<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] org.hibernate.dialect.Dialect&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : HHH000400: Using dialect: org.hibernate.dialect.MySQL5InnoDBDialect<\/code><\/div>\n<div class=\"line number34 index33 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">17.783<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] j.LocalContainerEntityManagerFactoryBean : Initialized JPA EntityManagerFactory <\/code><code class=\"java keyword\">for<\/code> <code class=\"java plain\">persistence unit <\/code><code class=\"java string\">'default'<\/code><\/div>\n<div class=\"line number35 index34 alt2\"><code class=\"java plain\">DogsDao no-arg constructor called<\/code><\/div>\n<div class=\"line number36 index35 alt1\"><code class=\"java plain\">DogsService no-arg constructor called<\/code><\/div>\n<div class=\"line number37 index36 alt2\"><code class=\"java plain\">DogsController no-arg constructor called<\/code><\/div>\n<div class=\"line number38 index37 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">18.208<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.s.concurrent.ThreadPoolTaskExecutor&nbsp; : Initializing ExecutorService <\/code><code class=\"java string\">'applicationTaskExecutor'<\/code><\/div>\n<div class=\"line number39 index38 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">18.244<\/code>&nbsp; <code class=\"java plain\">WARN <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] aWebConfiguration$JpaWebMvcConfiguration : spring.jpa.open-in-view is enabled by <\/code><code class=\"java keyword\">default<\/code><code class=\"java plain\">. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable <\/code><code class=\"java keyword\">this<\/code> <code class=\"java plain\">warning<\/code><\/div>\n<div class=\"line number40 index39 alt1\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">18.420<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] o.s.b.w.embedded.tomcat.TomcatWebServer&nbsp; : Tomcat started on port(s): <\/code><code class=\"java value\">8080<\/code> <code class=\"java plain\">(http) with context path <\/code><code class=\"java string\">''<\/code><\/div>\n<div class=\"line number41 index40 alt2\"><code class=\"java value\">2019<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">02<\/code><code class=\"java plain\">-<\/code><code class=\"java value\">05<\/code> <code class=\"java value\">06<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">34<\/code><code class=\"java plain\">:<\/code><code class=\"java value\">18.422<\/code>&nbsp; <code class=\"java plain\">INFO <\/code><code class=\"java value\">69421<\/code> <code class=\"java plain\">--- [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; main] com.amitph.spring.dogs.Application&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : Started Application in <\/code><code class=\"java value\">3.878<\/code> <code class=\"java plain\">seconds (JVM running <\/code><code class=\"java keyword\">for<\/code> <code class=\"java value\">4.57<\/code><code class=\"java plain\">)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>All three no-argument controllers called in sequence. No <em>setter<\/em> or <em>parameterised&nbsp;constructors<\/em> were called. One more thing to notice is the the fields, which were marked <code>@Autowired<\/code> are <em>private<\/em>.<div style=\"display:inline-block; margin: 15px 0;\"> <div id=\"adngin-JavaCodeGeeks_incontent_video-0\" style=\"display:inline-block;\"><\/div> <\/div><\/p>\n<h3 class=\"wp-block-heading\">Spring can set <em>private<\/em> fields<\/h3>\n<p>Spring uses reflection to set the <em>private<\/em> fields on our object. This sounds useful and on the other hand it is not safe. The field injection, its safety and usefulness it always debated. Spring Doesn\u2019t respect an Objects access rules. Now, some people may support this or say spring IoC container manages all the objects and should get supreme control over the objects.<\/p>\n<div>\n<div id=\"highlighter_760839\" class=\"syntaxhighlighter  java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"gutter\">\n<div class=\"line number1 index0 alt2\">01<\/div>\n<div class=\"line number2 index1 alt1\">02<\/div>\n<div class=\"line number3 index2 alt2\">03<\/div>\n<div class=\"line number4 index3 alt1\">04<\/div>\n<div class=\"line number5 index4 alt2\">05<\/div>\n<div class=\"line number6 index5 alt1\">06<\/div>\n<div class=\"line number7 index6 alt2\">07<\/div>\n<div class=\"line number8 index7 alt1\">08<\/div>\n<div class=\"line number9 index8 alt2\">09<\/div>\n<div class=\"line number10 index9 alt1\">10<\/div>\n<\/td>\n<td class=\"code\">\n<div class=\"container\">\n<div class=\"line number1 index0 alt2\"><code class=\"java color1\">@Component<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java keyword\">public<\/code> <code class=\"java keyword\">class<\/code> <code class=\"java plain\">MyClass {<\/code><\/div>\n<div class=\"line number3 index2 alt2\">&nbsp;<\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Autowired<\/code> <code class=\"java keyword\">private<\/code> <code class=\"java plain\">DogsController controller;<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Autowired<\/code> <code class=\"java keyword\">private<\/code> <code class=\"java plain\">DogsService service;<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Autowired<\/code> <code class=\"java keyword\">private<\/code> <code class=\"java plain\">DogsDao dao;<\/code><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java spaces\">&nbsp;&nbsp;&nbsp;&nbsp;<\/code><code class=\"java color1\">@Autowired<\/code> <code class=\"java keyword\">private<\/code> <code class=\"java plain\">ApplicationProperties properties;<\/code><\/div>\n<div class=\"line number8 index7 alt1\">&nbsp;<\/div>\n<div class=\"line number9 index8 alt2\"><code class=\"java comments\">\/\/\/\/\/ business methods<\/code><\/div>\n<div class=\"line number10 index9 alt1\"><code class=\"java plain\">}<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p>As a developer, I always love using Field Injection as it is really simple and more readable. You can actually avoid writing <em>setter methods<\/em> or <em>constructors<\/em> and concentrate on the business methods.<\/p>\n<h3 class=\"wp-block-heading\">Summary<\/h3>\n<p>You learnt the <strong>Field\u00a0Injection<\/strong> is a type of <strong><a href=\"http:\/\/www.amitph.com\/spring-dependency-injection-inversion-control\/\">Spring\u00a0Dependency\u00a0Injection<\/a><\/strong><a href=\"http:\/\/www.amitph.com\/spring-dependency-injection-inversion-control\/\">,<\/a> and wrote couple of classes to see it working. The Field injection is simple and makes a class more readable. However, many people hate it and avoid using it because of its safety concerns.<\/p>\n<p>In the coming sections we will see a detailed <a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">difference between all the three of <\/a><em><a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">Setter&nbsp;Injection<\/a><\/em><a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">, <\/a><em><a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">Field&nbsp;Injection<\/a><\/em><a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">, and <\/a><em><a href=\"http:\/\/www.amitph.com\/spring-field-setter-constructor-injection\/\">Constructor Injection<\/a><\/em>.<\/p>\n<p>Happy Coding !!<\/p>\n<div class=\"attribution\">\n<table>\n<tbody>\n<tr>\n<td>\n<p>Published on Java Code Geeks with permission by Amit Phaltankar, partner at our <a href=\"\/\/www.javacodegeeks.com\/join-us\/jcg\/\" target=\"_blank\" rel=\"noopener\">JCG program<\/a>. See the original article here: <a href=\"http:\/\/www.amitph.com\/spring-field-injection-example\/\" target=\"_blank\" rel=\"noopener\">Spring Field Dependency Injection Example<\/a><\/p>\n<p>Opinions expressed by Java Code Geeks contributors are their own.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learn how to write a Spring Field Injection example. The Field Injection is a type of Spring Frameworks Dependency Injection. In this tutorial we will write couple of classes and see hot the Field Injection Works. More on Spring Dependency Injection: Spring Setter Dependency Injection Example Spring Constructor Dependency Injection Example Spring Dependency Injection \u2013 &hellip;<\/p>\n","protected":false},"author":75543,"featured_media":240,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[30],"class_list":["post-88440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-enterprise-java","tag-spring"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Spring Field Dependency Injection Example - Java Code Geeks<\/title>\n<meta name=\"description\" content=\"Interested to learn about Spring Field Dependency? 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