org.apache.flink.client.program.ProgramInvocationException: Could not retrieve the execution result.
        at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:257)
        at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:464)
        at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:452)
        at org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:62)
        at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:816)
        at org.apache.flink.api.java.DataSet.collect(DataSet.java:413)
        at org.apache.flink.api.java.DataSet.print(DataSet.java:1652)
        at com.pagoda.sink.flink.WordCount.main(WordCount.java:57)
        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:528)
        at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:420)
        at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:404)
        at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:785)
        at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:279)
        at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:214)
        at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1025)
        at org.apache.flink.client.cli.CliFrontend.lambda$main$9(CliFrontend.java:1101)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:422)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1692)
        at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:41)
        at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1101)
Caused by: org.apache.flink.runtime.client.JobSubmissionException: Failed to submit JobGraph.
        at org.apache.flink.client.program.rest.RestClusterClient.lambda$submitJob$8(RestClusterClient.java:370)
        at java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:870)
        at java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:852)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
        at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
        at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$5(FutureUtils.java:214)
        at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
        at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
        at java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:561)
        at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:929)
        at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.concurrent.CompletionException: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: Could not complete the operation. Exception is not retryable.
        at java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:326)
        at java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:338)
        at java.util.concurrent.CompletableFuture.uniRelay(CompletableFuture.java:911)
        at java.util.concurrent.CompletableFuture$UniRelay.tryFire(CompletableFuture.java:899)
        ... 12 more
Caused by: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: Could not complete the operation. Exception is not retryable.
        ... 10 more
Caused by: java.util.concurrent.CompletionException: org.apache.flink.runtime.rest.util.RestClientException: [Internal server error., <Exception on server side:
java.lang.NullPointerException
        at org.apache.flink.runtime.jobgraph.JobGraph.writeUserArtifactEntriesToConfiguration(JobGraph.java:586)
        at org.apache.flink.runtime.client.ClientUtils.setUserArtifactBlobKeys(ClientUtils.java:140)
        at org.apache.flink.runtime.client.ClientUtils.uploadAndSetUserArtifacts(ClientUtils.java:121)
        at org.apache.flink.runtime.client.ClientUtils.uploadJobGraphFiles(ClientUtils.java:78)
        at org.apache.flink.runtime.rest.handler.job.JobSubmitHandler.lambda$uploadJobGraphFiles$4(JobSubmitHandler.java:167)
        at java.util.concurrent.CompletableFuture.biApply(CompletableFuture.java:1105)
        at java.util.concurrent.CompletableFuture$BiApply.tryFire(CompletableFuture.java:1070)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1595)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

End of exception on server side>]
        at java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:326)
        at java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:338)
        at java.util.concurrent.CompletableFuture.uniRelay(CompletableFuture.java:911)
        at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:953)
        at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
        ... 4 more
Caused by: org.apache.flink.runtime.rest.util.RestClientException: [Internal server error., <Exception on server side:
java.lang.NullPointerException
        at org.apache.flink.runtime.jobgraph.JobGraph.writeUserArtifactEntriesToConfiguration(JobGraph.java:586)
        at org.apache.flink.runtime.client.ClientUtils.setUserArtifactBlobKeys(ClientUtils.java:140)
        at org.apache.flink.runtime.client.ClientUtils.uploadAndSetUserArtifacts(ClientUtils.java:121)
        at org.apache.flink.runtime.client.ClientUtils.uploadJobGraphFiles(ClientUtils.java:78)
        at org.apache.flink.runtime.rest.handler.job.JobSubmitHandler.lambda$uploadJobGraphFiles$4(JobSubmitHandler.java:167)
        at java.util.concurrent.CompletableFuture.biApply(CompletableFuture.java:1105)
        at java.util.concurrent.CompletableFuture$BiApply.tryFire(CompletableFuture.java:1070)
        at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1595)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

End of exception on server side>]
        at org.apache.flink.runtime.rest.RestClient.parseResponse(RestClient.java:309)
        at org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$3(RestClient.java:293)
        at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
        ... 5 more

flink打成jar在集群上运行时报错。这个是在IDEA里面用的是flink1.8版本，在集群里面的flink是1.5版本，版本不匹配

Caused by: java.lang.ClassCastException: cannot assign instance of org.apache.commons.collections.map.LinkedMap to field org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumerBase.pendingOffsetsToCommit of type org.apache.commons.collections.map.LinkedMap in instance of org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer
at java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2233)
at java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1405)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2291)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:566)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:552)
at org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:540)
at org.apache.flink.util.InstantiationUtil.readObjectFromConfig(InstantiationUtil.java:501)
at org.apache.flink.streaming.api.graph.StreamConfig.getStreamOperator(StreamConfig.java:224)
... 4 more

Kafka库与Flink的反向类加载方法不兼容，修改 conf/flink-conf.yaml 并重启Flink  添加classloader.resolve-order: parent-first