[FLINK-14581] Support to run Python UDF jobs in a YARN cluster

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Resolved
• Fix Version/s: 1.10.0
• Component/s: API / Python
• Labels: pull-request-available
• Assignee: Wei Zhong
• Reporter: Dian Fu
• Created: 31/Oct/19 07:05
• Updated: 19/Nov/19 09:41
• Resolved: 19/Nov/19 09:41

Description

Currently it will throw the following exception when submit a Python UDF job in YARN cluster:

Caused by: org.apache.beam.vendor.guava.v26_0_jre.com.google.common.util.concurrent.UncheckedExecutionException: java.io.IOException: Cannot run program "null/bin/pyflink-udf-runner.sh": error=2, No such file or directory
  at org.apache.beam.vendor.guava.v26_0_jre.com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4966)
  at org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:211)
  at org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory$SimpleStageBundleFactory.<init>(DefaultJobBundleFactory.java:202)
  at org.apache.beam.runners.fnexecution.control.DefaultJobBundleFactory.forStage(DefaultJobBundleFactory.java:185)
  at org.apache.flink.python.AbstractPythonFunctionRunner.open(AbstractPythonFunctionRunner.java:171)
  at org.apache.flink.table.runtime.operators.python.AbstractPythonScalarFunctionOperator$ProjectUdfInputPythonScalarFunctionRunner.open(AbstractPythonScalarFunctionOperator.java:177)
  at org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator.open(AbstractPythonFunctionOperator.java:114)
  at org.apache.flink.table.runtime.operators.python.AbstractPythonScalarFunctionOperator.open(AbstractPythonScalarFunctionOperator.java:137)
  at org.apache.flink.table.runtime.operators.python.PythonScalarFunctionOperator.open(PythonScalarFunctionOperator.java:70)
  at org.apache.flink.streaming.runtime.tasks.StreamTask.openAllOperators(StreamTask.java:565)
  at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:412)
  at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:696)
  at org.apache.flink.runtime.taskmanager.Task.run(Task.java:521)
  ... 1 more

The reason is that pyflink-udf-runner.sh is not submitted and is not available for the operator.

Issue Links

• links to: GitHub Pull Request #10061