riteshghorse opened a new issue, #29636:
URL: https://github.com/apache/beam/issues/29636
### What happened?
Following task has been failing for last 2 runs with NullPointerException
```
> Task
:runners:google-cloud-dataflow-java:validatesCrossLanguageRunnerJavaUsingPython
org.apache.beam.runners.core.construction.ValidateRunnerXlangTest$SingleInputOutputTest
> test FAILED
org.apache.beam.vendor.grpc.v1p54p0.io.grpc.StatusRuntimeException at
ValidateRunnerXlangTest.java:242
Caused by:
org.apache.beam.vendor.grpc.v1p54p0.io.netty.channel.AbstractChannel$AnnotatedConnectException
Caused by: java.net.ConnectException at Errors.java:155
java.lang.NullPointerException at Preconditions.java:1010
INFO:root:No image given, using default Python SDK image
INFO:root:Python SDK container image set to
"apache/beam_python3.8_sdk:2.52.0" for Docker environment
INFO:__main__:Listening for expansion requests at 43129
INFO:root:Missing pipeline option (runner). Executing pipeline using the
default runner: DirectRunner.
INFO:__main__:Shutting down expansion service.
> Task
:runners:google-cloud-dataflow-java:validatesCrossLanguageRunnerJavaUsingPython
org.apache.beam.sdk.extensions.python.transforms.PythonMapTest >
testPythonMap FAILED
java.lang.RuntimeException at PythonMapTest.java:41
Caused by: java.util.concurrent.TimeoutException at
PythonMapTest.java:41
java.lang.NullPointerException at Preconditions.java:1010
org.apache.beam.sdk.extensions.python.transforms.DataframeTransformTest >
testDataframeSum FAILED
java.lang.RuntimeException at DataframeTransformTest.java:50
Caused by: java.util.concurrent.TimeoutException at
DataframeTransformTest.java:50
java.lang.NullPointerException at Preconditions.java:1010
org.apache.beam.sdk.extensions.python.transforms.RunInferenceTransformTest >
testRunInferenceWithKVs FAILED
java.lang.RuntimeException at RunInferenceTransformTest.java:108
Caused by: java.util.concurrent.TimeoutException at
RunInferenceTransformTest.java:108
java.lang.NullPointerException at Preconditions.java:1010
org.apache.beam.sdk.extensions.python.transforms.PythonMapTest >
testPythonFlatMap FAILED
java.lang.RuntimeException at PythonMapTest.java:54
Caused by: java.util.concurrent.TimeoutException at
PythonMapTest.java:54
java.lang.NullPointerException at Preconditions.java:1010
org.apache.beam.sdk.extensions.python.transforms.RunInferenceTransformTest >
testRunInference FAILED
java.lang.RuntimeException at RunInferenceTransformTest.java:60
Caused by: java.util.concurrent.TimeoutException at
RunInferenceTransformTest.java:60
java.lang.NullPointerException at Preconditions.java:1010
16 tests completed, 6 failed
```
### Issue Failure
Failure: Test is flaky
### Issue Priority
Priority: 1 (unhealthy code / failing or flaky postcommit so we cannot be
sure the product is healthy)
### Issue Components
- [ ] Component: Python SDK
- [X] Component: Java SDK
- [ ] Component: Go SDK
- [ ] Component: Typescript SDK
- [ ] Component: IO connector
- [ ] Component: Beam YAML
- [ ] Component: Beam examples
- [ ] Component: Beam playground
- [ ] Component: Beam katas
- [ ] Component: Website
- [ ] Component: Spark Runner
- [ ] Component: Flink Runner
- [ ] Component: Samza Runner
- [ ] Component: Twister2 Runner
- [ ] Component: Hazelcast Jet Runner
- [ ] Component: Google Cloud Dataflow Runner
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