在 CentOS (CentOS 8.0.1905 (64bit)) 上,我尝试在 Flink(1.9) 上运行 Python(3.6.8) 版本的 WordCount 程序,如此处所述。我得到如下错误。相同的环境适用于 Java 版本的 WordCount 程序。我在这里想念什么?任何帮助是极大的赞赏。错误
$ ./bin/flink run -py examples/python/table/batch/word_count.py
Starting execution of program
org.apache.flink.client.program.OptimizerPlanEnvironment$ProgramAbortException
at org.apache.flink.client.python.PythonDriver.main(PythonDriver.java:83)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:576)
at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:438)
at org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:274)
at org.apache.flink.client.cli.CliFrontend.executeProgram(CliFrontend.java:746)
at org.apache.flink.client.cli.CliFrontend.runProgram(CliFrontend.java:273)
at org.apache.flink.client.cli.CliFrontend.run(CliFrontend.java:205)
at org.apache.flink.client.cli.CliFrontend.parseParameters(CliFrontend.java:1010)
at org.apache.flink.client.cli.CliFrontend.lambda$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)