[FLINK-7669] Always load Flink classes through parent ClassLoader

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: Runtime / Task

Environment

• OS: macOS Sierra
• Oracle JDK 1.8
• Scala 2.11.11
• sbt 0.13.16
• Build from trunk code at commit hash 42cc3a2a9c41dda7cf338db36b45131db9150674
  • started a local flink node

• Assignee: Aljoscha Krettek
• Reporter: Raymond Tay
• Created: 22/Sep/17 09:16
• Updated: 25/Oct/17 13:58
• Resolved: 25/Oct/17 13:58

Description

Latest code pulled from trunk threw errors at runtime when i ran a job against it; but when i ran the JAR against the stable version 1.3.2 it was OK. Here is the stacktrace.

An exception is being thrown :

Cluster configuration: Standalone cluster with JobManager at localhost/127.0.0.1:6123
Using address localhost:6123 to connect to JobManager.
JobManager web interface address http://localhost:8081
Starting execution of programhttps://issues.apache.org/jira/issues/?jql=text%20~%20%22org.apache.flink.api.common.ExecutionConfig%20cannot%20be%20cast%20to%22#
Submitting job with JobID: 05dd8e60c6fda3b96fc22ef6cf389a23. Waiting for job completion.
Connected to JobManager at Actor[akka.tcp://flink@localhost:6123/user/jobmanager#-234825544] with leader session id 00000000-0000-0000-0000-000000000000.

------------------------------------------------------------
 The program finished with the following exception:

org.apache.flink.client.program.ProgramInvocationException: The program execution failed: Failed to submit job 05dd8e60c6fda3b96fc22ef6cf389a23 (Flink Streaming Job)
	at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:479)
	at org.apache.flink.client.program.StandaloneClusterClient.submitJob(StandaloneClusterClient.java:105)
	at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:443)
	at org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:66)
	at org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:1501)
	at org.apache.flink.streaming.api.scala.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.scala:629)
	at org.example.streams.split.SimpleSplitStreams$.main(04splitstreams.scala:53)
	at org.example.streams.split.SimpleSplitStreams.main(04splitstreams.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:525)
	at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:417)
	at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:383)
	at org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:840)
	at org.apache.flink.client.CliFrontend.run(CliFrontend.java:285)
	at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1088)
	at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1135)
	at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1132)
	at org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:44)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:422)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1556)
	at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
	at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1132)
Caused by: org.apache.flink.runtime.client.JobExecutionException: Failed to submit job 05dd8e60c6fda3b96fc22ef6cf389a23 (Flink Streaming Job)
	at org.apache.flink.runtime.jobmanager.JobManager.org$apache$flink$runtime$jobmanager$JobManager$$submitJob(JobManager.scala:1358)
	at org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1.applyOrElse(JobManager.scala:484)
	at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
	at org.apache.flink.runtime.LeaderSessionMessageFilter$$anonfun$receive$1.applyOrElse(LeaderSessionMessageFilter.scala:38)
	at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:36)
	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:33)
	at org.apache.flink.runtime.LogMessages$$anon$1.apply(LogMessages.scala:28)
	at scala.PartialFunction$class.applyOrElse(PartialFunction.scala:123)
	at org.apache.flink.runtime.LogMessages$$anon$1.applyOrElse(LogMessages.scala:28)
	at akka.actor.Actor$class.aroundReceive(Actor.scala:467)
	at org.apache.flink.runtime.jobmanager.JobManager.aroundReceive(JobManager.scala:125)
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
	at akka.actor.ActorCell.invoke(ActorCell.scala:487)
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
	at akka.dispatch.Mailbox.run(Mailbox.scala:220)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.ClassCastException: org.apache.flink.api.common.ExecutionConfig cannot be cast to org.apache.flink.api.common.ExecutionConfig
	at org.apache.flink.runtime.jobmanager.JobManager.org$apache$flink$runtime$jobmanager$JobManager$$submitJob(JobManager.scala:1279)
	... 19 more

Issue Links

• links to: GitHub Pull Request #4891