Attempting to run the word_count.py example on my kubernetes (session) cluster:
./bin/flink run \ --target kubernetes-session \ -Dkubernetes.cluster-id=cmdaa \ -Dkubernetes.container.image=cmdaa/pyflink:0.0.1 \ --pyModule word_count \ --pyFiles /opt/flink-1.12.2/examples/python/table/batch/word_count.py The following exception occurs: 2021-03-04 12:51:41,465 INFO org.apache.flink.kubernetes.KubernetesClusterDescriptor [] - Retrieve flink cluster cmdaa successfully, JobManager Web Interface: http://spackler:8081 Traceback (most recent call last): File "/Users/admin/.pyenv/versions/3.6.10/lib/python3.6/runpy.py", line 193, in _run_module_as_main "__main__", mod_spec) File "/Users/admin/.pyenv/versions/3.6.10/lib/python3.6/runpy.py", line 85, in _run_code exec(code, run_globals) File "/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/pyflink/e1f711ac-7dc7-46ed-8c4e-ed8b3880baf7/928f631e-cc11-4eb5-9234-3a1a8fb7052e/word_count.py", line 80, in <module> word_count() File "/var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/pyflink/e1f711ac-7dc7-46ed-8c4e-ed8b3880baf7/928f631e-cc11-4eb5-9234-3a1a8fb7052e/word_count.py", line 74, in word_count t_env.execute("word_count") File "/opt/flink-1.12.2/opt/python/pyflink.zip/pyflink/table/table_environment.py", line 1276, in execute File "/opt/flink-1.12.2/opt/python/py4j-0.10.8.1-src.zip/py4j/java_gateway.py", line 1286, in __call__ File "/opt/flink-1.12.2/opt/python/pyflink.zip/pyflink/util/exceptions.py", line 147, in deco File "/opt/flink-1.12.2/opt/python/py4j-0.10.8.1-src.zip/py4j/protocol.py", line 328, in get_return_value py4j.protocol.Py4JJavaError: An error occurred while calling o2.execute. : java.lang.RuntimeException: java.util.concurrent.ExecutionException: org.apache.flink.runtime.client.JobSubmissionException: Failed to submit JobGraph. at org.apache.flink.util.ExceptionUtils.rethrow(ExceptionUtils.java:316) at org.apache.flink.table.api.internal.BatchTableEnvImpl.executePipeline(BatchTableEnvImpl.scala:352) at org.apache.flink.table.api.internal.BatchTableEnvImpl.execute(BatchTableEnvImpl.scala:317) 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.api.python.shaded.py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) at org.apache.flink.api.python.shaded.py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) at org.apache.flink.api.python.shaded.py4j.Gateway.invoke(Gateway.java:282) at org.apache.flink.api.python.shaded.py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) at org.apache.flink.api.python.shaded.py4j.commands.CallCommand.execute(CallCommand.java:79) at org.apache.flink.api.python.shaded.py4j.GatewayConnection.run(GatewayConnection.java:238) at java.lang.Thread.run(Thread.java:748) Caused by: java.util.concurrent.ExecutionException: org.apache.flink.runtime.client.JobSubmissionException: Failed to submit JobGraph. at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1908) at org.apache.flink.table.api.internal.BatchTableEnvImpl.executePipeline(BatchTableEnvImpl.scala:349) ... 12 more Caused by: org.apache.flink.runtime.client.JobSubmissionException: Failed to submit JobGraph. at org.apache.flink.client.program.rest.RestClusterClient.lambda$submitJob$7(RestClusterClient.java:400) at java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:884) at java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:866) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1990) at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$9(FutureUtils.java:390) at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:774) at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:750) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1990) at org.apache.flink.runtime.rest.RestClient.lambda$submitRequest$1(RestClient.java:430) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:577) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:570) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:549) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:490) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.setValue0(DefaultPromise.java:615) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.setFailure0(DefaultPromise.java:608) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:117) at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.fulfillConnectPromise(AbstractNioChannel.java:321) at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:337) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at org.apache.flink.shaded.netty4.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) ... 1 more Caused by: org.apache.flink.runtime.concurrent.FutureUtils$RetryException: Could not complete the operation. Number of retries has been exhausted. at org.apache.flink.runtime.concurrent.FutureUtils.lambda$retryOperationWithDelay$9(FutureUtils.java:386) ... 21 more Caused by: java.util.concurrent.CompletionException: org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: spackler/192.168.88.200:8081 at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:957) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) ... 19 more Caused by: org.apache.flink.shaded.netty4.io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: spackler/192.168.88.200:8081 Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:715) at org.apache.flink.shaded.netty4.io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:330) at org.apache.flink.shaded.netty4.io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:334) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:702) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:650) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:576) at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:493) at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989) at org.apache.flink.shaded.netty4.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at java.lang.Thread.run(Thread.java:748) org.apache.flink.client.program.ProgramAbortException at org.apache.flink.client.python.PythonDriver.main(PythonDriver.java:124) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:349) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:219) at org.apache.flink.client.ClientUtils.executeProgram(ClientUtils.java:114) at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:812) at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:246) at org.apache.flink.client.cli.CliFrontend.parseAndRun(CliFrontend.java:1054) at org.apache.flink.client.cli.CliFrontend.lambda$main$10(CliFrontend.java:1132) at org.apache.flink.runtime.security.contexts.NoOpSecurityContext.runSecured(NoOpSecurityContext.java:28) at org.apache.flink.client.cli.CliFrontend.main(CliFrontend.java:1132) Do I need to create an ingress for pyflink? Robert Cullen 240-475-4490
