[fix][build] Ensure that buildtools is Java 8 compatible and fix remaining compatibility issue (#24307)

lhotari · lhotari · commit c237ed588318 · 2025-05-15T15:09:12.000+03:00
(cherry picked from commit 0e24f7a)
diff --git a/buildtools/pom.xml b/buildtools/pom.xml
@@ -46,6 +46,7 @@
     <project.build.outputTimestamp>2025-04-09T09:11:45Z</project.build.outputTimestamp>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.release>8</maven.compiler.release>
     <surefire.version>3.1.0</surefire.version>
     <log4j2.version>2.23.1</log4j2.version>
     <slf4j.version>2.0.13</slf4j.version>
diff --git a/buildtools/src/main/java/org/apache/pulsar/tests/ThreadLeakDetectorListener.java b/buildtools/src/main/java/org/apache/pulsar/tests/ThreadLeakDetectorListener.java
@@ -102,7 +102,7 @@ private static String joinSimpleTestClassNames(List<ITestClass> testClasses) {
     private static String firstTestClassName(List<ITestClass> testClasses) {
         return testClasses.stream()
                 .findFirst()
-                .orElseThrow()
+                .get()
                 .getRealClass().getName();
     }
 

Original file line number	Diff line number	Diff line change
`@@ -102,7 +102,7 @@ private static String joinSimpleTestClassNames(List<ITestClass> testClasses) {`
`102`	`102`	`private static String firstTestClassName(List<ITestClass> testClasses) {`
`103`	`103`	`return testClasses.stream()`
`104`	`104`	`.findFirst()`
`105`		`- .orElseThrow()`
	`105`	`+ .get()`
`106`	`106`	`.getRealClass().getName();`
`107`	`107`	`}`
`108`	`108`