[jira] [Created] (FLINK-22066) Improve Error Message on unknown Ingress Type

[Shang Yuanchun (Jira)]

Konstantin Knauf created FLINK-22066:
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             Summary: Improve Error Message on unknown Ingress Type
                 Key: FLINK-22066
                 URL: https://issues.apache.org/jira/browse/FLINK-22066
             Project: Flink
          Issue Type: Improvement
          Components: Stateful Functions
            Reporter: Konstantin Knauf


When using an unknown ingress type the following exception is thrown on startup:
```
2021-03-31 09:45:48,417 ERROR org.apache.flink.runtime.entrypoint.ClusterEntrypoint        [] - Could not start cluster entrypoint StatefulFunctionsClusterEntryPoint.
org.apache.flink.runtime.entrypoint.ClusterEntrypointException: Failed to initialize the cluster entrypoint StatefulFunctionsClusterEntryPoint.
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:200) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runClusterEntrypoint(ClusterEntrypoint.java:569) [flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.statefun.flink.launcher.StatefulFunctionsClusterEntryPoint.main(StatefulFunctionsClusterEntryPoint.java:99) [statefun-flink-distribution.jar:3.0.0]
Caused by: org.apache.flink.util.FlinkException: Could not create the DispatcherResourceManagerComponent.
        at org.apache.flink.runtime.entrypoint.component.DefaultDispatcherResourceManagerComponentFactory.create(DefaultDispatcherResourceManagerComponentFactory.java:275) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:234) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:178) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:175) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        ... 2 more
Caused by: org.apache.flink.util.FlinkRuntimeException: Could not retrieve the JobGraph.
        at org.apache.flink.runtime.dispatcher.runner.JobDispatcherLeaderProcessFactoryFactory.createFactory(JobDispatcherLeaderProcessFactoryFactory.java:58) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.dispatcher.runner.DefaultDispatcherRunnerFactory.createDispatcherRunner(DefaultDispatcherRunnerFactory.java:54) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.component.DefaultDispatcherResourceManagerComponentFactory.create(DefaultDispatcherResourceManagerComponentFactory.java:212) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:234) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:178) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:175) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        ... 2 more
Caused by: org.apache.flink.util.FlinkException: Could not create the JobGraph from the provided user code jar.
        at org.apache.flink.statefun.flink.launcher.StatefulFunctionsJobGraphRetriever.retrieveJobGraph(StatefulFunctionsJobGraphRetriever.java:107) ~[statefun-flink-distribution.jar:3.0.0]
        at org.apache.flink.runtime.dispatcher.runner.JobDispatcherLeaderProcessFactoryFactory.createFactory(JobDispatcherLeaderProcessFactoryFactory.java:55) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.dispatcher.runner.DefaultDispatcherRunnerFactory.createDispatcherRunner(DefaultDispatcherRunnerFactory.java:54) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.component.DefaultDispatcherResourceManagerComponentFactory.create(DefaultDispatcherResourceManagerComponentFactory.java:212) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:234) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:178) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:175) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        ... 2 more
Caused by: org.apache.flink.client.program.ProgramInvocationException: The main method caused an error: There are no routers defined.
        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:360) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:213) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.client.program.PackagedProgramUtils.getPipelineFromProgram(PackagedProgramUtils.java:158) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.client.program.PackagedProgramUtils.createJobGraph(PackagedProgramUtils.java:82) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.statefun.flink.launcher.StatefulFunctionsJobGraphRetriever.retrieveJobGraph(StatefulFunctionsJobGraphRetriever.java:101) ~[statefun-flink-distribution.jar:3.0.0]
        at org.apache.flink.runtime.dispatcher.runner.JobDispatcherLeaderProcessFactoryFactory.createFactory(JobDispatcherLeaderProcessFactoryFactory.java:55) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.dispatcher.runner.DefaultDispatcherRunnerFactory.createDispatcherRunner(DefaultDispatcherRunnerFactory.java:54) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.component.DefaultDispatcherResourceManagerComponentFactory.create(DefaultDispatcherResourceManagerComponentFactory.java:212) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:234) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:178) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:175) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        ... 2 more
Caused by: java.lang.IllegalStateException: There are no routers defined.
        at org.apache.flink.statefun.flink.core.StatefulFunctionsUniverseValidator.validate(StatefulFunctionsUniverseValidator.java:31) ~[statefun-flink-core.jar:3.0.0]
        at org.apache.flink.statefun.flink.core.StatefulFunctionsJob.main(StatefulFunctionsJob.java:76) ~[statefun-flink-core.jar:3.0.0]
        at org.apache.flink.statefun.flink.core.StatefulFunctionsJob.main(StatefulFunctionsJob.java:52) ~[statefun-flink-core.jar:3.0.0]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:?]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:?]
        at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:343) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:213) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.client.program.PackagedProgramUtils.getPipelineFromProgram(PackagedProgramUtils.java:158) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.client.program.PackagedProgramUtils.createJobGraph(PackagedProgramUtils.java:82) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.statefun.flink.launcher.StatefulFunctionsJobGraphRetriever.retrieveJobGraph(StatefulFunctionsJobGraphRetriever.java:101) ~[statefun-flink-distribution.jar:3.0.0]
        at org.apache.flink.runtime.dispatcher.runner.JobDispatcherLeaderProcessFactoryFactory.createFactory(JobDispatcherLeaderProcessFactoryFactory.java:55) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.dispatcher.runner.DefaultDispatcherRunnerFactory.createDispatcherRunner(DefaultDispatcherRunnerFactory.java:54) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.component.DefaultDispatcherResourceManagerComponentFactory.create(DefaultDispatcherResourceManagerComponentFactory.java:212) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.runCluster(ClusterEntrypoint.java:234) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.lambda$startCluster$0(ClusterEntrypoint.java:178) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
        at org.apache.flink.runtime.entrypoint.ClusterEntrypoint.startCluster(ClusterEntrypoint.java:175) ~[flink-dist_2.12-1.12.1.jar:1.12.1]
```

The reported root cause "Caused by: java.lang.IllegalStateException: There are no routers defined." hides the actual problem.



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