我试图将Flink作业提交到集群：
./bin/flink run -m <ip>:8081 examples/batch/WordCount.jar --input /opt/flink/README.txt
但收到错误Failed to deserialize JobGraph：
org.apache.flink.client.program.ProgramInvocationException: Could not retrieve the execution result. (JobID: 6095949ee689e308039dbc62da2bdf03)
at org.apache.flink.client.program.rest.RestClusterClient.submitJob(RestClusterClient.java:255)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:338)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:326)
at org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:62)
at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:820)
at org.apache.flink.api.java.DataSet.collect(DataSet.java:413)
at org.apache.flink.api.java.DataSet.print(DataSet.java:1652)
at org.apache.flink.examples.java.wordcount.WordCount.main(WordCount.java:88)
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:576)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:438)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:274)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:746)
at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:273)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:205)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1010)
at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1083)
at org.apache.flink.runtime.security.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:30)
at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1083)
Caused by: org.apache.flink.runtime.client.JobSubmissionException: Failed to submit JobGraph.
at org.apache.flink.client.program.rest.RestClusterClient.lambda$submitJob$8(RestClusterClient.java:382)
at java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:870)
at java.util.concurrent.CompletableFuture$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$8(FutureUtils.java:263)
at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
at java.util.concurrent.CompletableFuture$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:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.flink.runtime.rest.util.RestClientException: [Failed to deserialize JobGraph.]
at org.apache.flink.runtime.rest.RestClient.parseResponse(RestClient.java:389)
at org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$3(RestClient.java:373)
at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
答案 0 :(得分：0)
原来这是一个兼容性问题，群集是Flink 1.8.1，而CLI和作业jar来自Flink 1.9.0。切换到相同版本后，它可以工作。
答案 1 :(得分：0)
就我而言，问题是因为 Flink 集群没有启动
./bin/start-cluster.sh