[ZEPPELIN-2841] fix a problem in shell interpreter . Working directory '.' can not be found in docker environment

Shu Jiaming · Leemoonsoo · commit 71d130521605 · 2017-08-11T09:49:28.000-07:00
### What is this PR for? shell interpreter complained that working directory '.' can not be found in docker environment. I add a line of code to set current working directory to USER`s home, and it works. ### What type of PR is it? Bug Fix ### Todos * tests ### What is the Jira issue? https://issues.apache.org/jira/browse/ZEPPELIN-2841 ### How should this be tested? run shell interpreter`s test units ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No Author: Shu Jiaming <jiaming.shu@transwarp.io> Author: 束佳明 <shujiaming@hotmail.com> Closes apache#2521 from vistep/master and squashes the following commits: 34a0049 [Shu Jiaming] ZEPPELIN-2841 fix a bug where shell interpreter complained that working directory '.' can not be found while zeppelin was running in docker enviroment. d02104a [束佳明] Merge pull request #1 from apache/master
diff --git a/shell/src/main/java/org/apache/zeppelin/shell/ShellInterpreter.java b/shell/src/main/java/org/apache/zeppelin/shell/ShellInterpreter.java
@@ -20,6 +20,7 @@
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.File;
 import java.util.List;
 import java.util.Properties;
 import java.util.concurrent.ConcurrentHashMap;
@@ -98,6 +99,7 @@ public InterpreterResult interpret(String cmd, InterpreterContext contextInterpr
         contextInterpreter.out, contextInterpreter.out));
       executor.setWatchdog(new ExecuteWatchdog(Long.valueOf(getProperty(TIMEOUT_PROPERTY))));
       executors.put(contextInterpreter.getParagraphId(), executor);
+      executor.setWorkingDirectory(new File(System.getProperty("user.home")));
       int exitVal = executor.execute(cmdLine);
       LOGGER.info("Paragraph " + contextInterpreter.getParagraphId() 
         + " return with exit value: " + exitVal);
