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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/05/24 23:46:37 UTC

[GitHub] [flink] zorro786 commented on a change in pull request #8154: [FLINK-12167] Reset context classloader in run and getOptimizedPlan methods

zorro786 commented on a change in pull request #8154: [FLINK-12167] Reset context classloader in run and getOptimizedPlan methods
URL: https://github.com/apache/flink/pull/8154#discussion_r287540080
 
 

 ##########
 File path: flink-clients/src/main/java/org/apache/flink/client/program/ClusterClient.java
 ##########
 @@ -247,44 +252,48 @@ public static OptimizedPlan getOptimizedPlan(Optimizer compiler, Plan p, int par
 	 */
 	public JobSubmissionResult run(PackagedProgram prog, int parallelism)
 			throws ProgramInvocationException, ProgramMissingJobException {
-		Thread.currentThread().setContextClassLoader(prog.getUserCodeClassLoader());
-		if (prog.isUsingProgramEntryPoint()) {
-
-			final JobWithJars jobWithJars = prog.getPlanWithJars();
-
-			return run(jobWithJars, parallelism, prog.getSavepointSettings());
-		}
-		else if (prog.isUsingInteractiveMode()) {
-			log.info("Starting program in interactive mode (detached: {})", isDetached());
-
-			final List<URL> libraries = prog.getAllLibraries();
-
-			ContextEnvironmentFactory factory = new ContextEnvironmentFactory(this, libraries,
-					prog.getClasspaths(), prog.getUserCodeClassLoader(), parallelism, isDetached(),
-					prog.getSavepointSettings());
-			ContextEnvironment.setAsContext(factory);
-
-			try {
-				// invoke main method
-				prog.invokeInteractiveModeForExecution();
-				if (lastJobExecutionResult == null && factory.getLastEnvCreated() == null) {
-					throw new ProgramMissingJobException("The program didn't contain a Flink job.");
-				}
-				if (isDetached()) {
-					// in detached mode, we execute the whole user code to extract the Flink job, afterwards we run it here
-					return ((DetachedEnvironment) factory.getLastEnvCreated()).finalizeExecute();
+		final ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
+		try {
+			Thread.currentThread().setContextClassLoader(prog.getUserCodeClassLoader());
+			if (prog.isUsingProgramEntryPoint()) {
+				final JobWithJars jobWithJars = prog.getPlanWithJars();
+				return run(jobWithJars, parallelism, prog.getSavepointSettings());
+			}
+			else if (prog.isUsingInteractiveMode()) {
+				log.info("Starting program in interactive mode (detached: {})", isDetached());
+
+				final List<URL> libraries = prog.getAllLibraries();
+
+				ContextEnvironmentFactory factory = new ContextEnvironmentFactory(this, libraries,
+				prog.getClasspaths(), prog.getUserCodeClassLoader(), parallelism, isDetached(),
+				prog.getSavepointSettings());
+				ContextEnvironment.setAsContext(factory);
+
+				try {
+					// invoke main method
+					prog.invokeInteractiveModeForExecution();
+					if (lastJobExecutionResult == null && factory.getLastEnvCreated() == null) {
+						throw new ProgramMissingJobException("The program didn't contain a Flink job.");
+					}
+					if (isDetached()) {
+						// in detached mode, we execute the whole user code to extract the Flink job, afterwards we run it here
+						return ((DetachedEnvironment) factory.getLastEnvCreated()).finalizeExecute();
+					}
+					else {
+						// in blocking mode, we execute all Flink jobs contained in the user code and then return here
+						return this.lastJobExecutionResult;
+					}
 				}
-				else {
-					// in blocking mode, we execute all Flink jobs contained in the user code and then return here
-					return this.lastJobExecutionResult;
+				finally {
+				ContextEnvironment.unsetContext();
 
 Review comment:
   Formatting here. I have a reason to force push now and retrigger tests (:
   Hope fully the script to untar is fixed.

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