See 
<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/432/display/redirect?page=changes>

Changes:

[robertwb] Refactor job server subprocess logic to be used elsewhere.

[robertwb] Add java jar based expansion service.

[robertwb] Avoid comparison with param.default in type signature analysis.

[robertwb] More documentation.

------------------------------------------
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{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles}:
 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten/ParMultiDo(WriteShardsIntoTempFiles)}:
 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, 
ref_PCollection_PCollection_1:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/FlatMap(<lambda at core.py:2474>)_4}: 
67, 
ref_PCollection_PCollection_1:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_1:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:0}:
 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten/ParMultiDo(WriteShardsIntoTempFiles)}:
 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:0}:
 0, 
ref_PCollection_PCollection_9:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 114, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles}:
 0, 
ref_PCollection_PCollection_9:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_10:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output}: 3, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard)}: 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnwritten/ParMultiDo(WriteShardsIntoTempFiles)}:
 0, ref_PCollection_PCollection_1:beam:metric:element_count:v1 
{PCOLLECTION=ref_PCollection_PCollection_1}: 1, 
ref_PCollection_PCollection_1:beam:metric:element_count:v1 
{PCOLLECTION=ref_PCollection_PCollection_2}: 3, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:0}:
 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_10:0}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_10:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous).output}:
 3, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles.unwrittenRecords:0}:
 0, ref_PCollection_PCollection_10:beam:metric:element_count:v1 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/Flatten.PCollections.out}:
 3, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output:0}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_10:0}: 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output}:
 3, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_10:beam:metric:element_count:v1 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles.writtenRecords}:
 3, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles.unwrittenRecords:0}:
 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output:0}: 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=external_2root/Values/Values/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output:0}: 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_10:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output:0}: 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_10:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize/ParMultiDo(Finalize).output}:
 3, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output:0}: 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=external_2root/Values/Values/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles/ParMultiDo(GatherBundlesPerWindow)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum/ParMultiDo(Anonymous)}:
 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_1:0}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add
 void key/AddKeys/Map/ParMultiDo(Anonymous).output:1:0}: 0, 
ref_PCollection_PCollection_9:beam:metric:element_count:v1 
{PCOLLECTION=ref_PCollection_PCollection_9}: 3, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add
 void key/AddKeys/Map/ParMultiDo(Anonymous).output:0:0}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles.unwrittenRecords:0}:
 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_1:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Gather
 bundles/ParMultiDo(GatherBundlesPerWindow).output}: 3, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:0}:
 0, 
ref_PCollection_PCollection_1:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_1:0}: 0, 
ref_PCollection_PCollection_9:beam:metric:ptransform_execution_time:total_msecs:v1
 {PTRANSFORM=fn/read/ref_PCollection_PCollection_9:0}: 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=external_2root/Values/Values/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add
 void key/AddKeys/Map/ParMultiDo(Anonymous).output:0:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize/ParMultiDo(Finalize)}:
 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/Flatten.PCollections}:
 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 {PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map/ParMultiDo(Anonymous).output}: 3, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Pair
 with random key/ParMultiDo(AssignShard).output}: 3, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add
 void key/AddKeys/Map/ParMultiDo(Anonymous).output:1:0}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles/ParMultiDo(GatherBundlesPerWindow)}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous)}: 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add
 void key/AddKeys/Map/ParMultiDo(Anonymous).output:1:0}: 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum/ParMultiDo(Anonymous)}:
 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Gather 
bundles/ParMultiDo(GatherBundlesPerWindow)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:0}:
 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 {PCOLLECTION=ref_PCollection_PCollection_11}: 3, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/FlatMap(<lambda at core.py:2474>)_4}: 
0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:0}:
 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous)}:
 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous)}:
 0, ref_PCollection_PCollection_10:beam:metric:element_count:v1 
{PCOLLECTION=ref_PCollection_PCollection_10}: 3, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=fn/write/external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add
 void key/AddKeys/Map/ParMultiDo(Anonymous).output:0:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous)}:
 0, ref_PCollection_PCollection_10:beam:metric:element_count:v1 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous).output:1}: 3, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output}:
 3, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Drop 
key/Values/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous).output}:
 3, ref_PCollection_PCollection_9:beam:metric:element_count:v1 
{PCOLLECTION=ref_PCollection_PCollection_10}: 3, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous)}:
 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:0}:
 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous)}:
 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/FlatMap(<lambda at core.py:2474>)_4}: 
2, 
external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=fn/read/external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:0}:
 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/FlatMap(<lambda at core.py:2474>)_4}: 
65, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 {PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Add 
void key/AddKeys/Map/ParMultiDo(Anonymous)}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize/ParMultiDo(Finalize)}:
 0, 
ref_PCollection_PCollection_1:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=fn/write/ref_PCollection_PCollection_2:0}: 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:element_count:v1
 
{PCOLLECTION=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output}:
 3, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/Flatten.PCollections}:
 0, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Values/Values/Map/ParMultiDo(Anonymous)}:
 0, 
ref_PCollection_PCollection_10:beam:metric:pardo_execution_time:process_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles}:
 0, 
ref_PCollection_PCollection_9:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 {PTRANSFORM=ref_AppliedPTransform_Create/Map(decode)_16}: 114, 
external_2root/FileIO.Write/WriteFiles/GatherTempFileResults/Reshuffle.ViaRandomKey/Reshuffle/RestoreOriginalTimestamps/Reify.ExtractTimestampsFromValues/ParDo(Anonymous)/ParMultiDo(Anonymous).output:beam:metric:pardo_execution_time:start_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/FinalizeTempFileBundles/Finalize/ParMultiDo(Finalize)}:
 0, 
external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten.out:beam:metric:pardo_execution_time:finish_bundle_msecs:v1
 
{PTRANSFORM=external_2root/FileIO.Write/WriteFiles/WriteUnshardedBundlesToTempFiles/DropShardNum/ParMultiDo(Anonymous)}:
 0)Distributions(ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_9}: DistributionResult{sum=57, 
count=3, min=19, max=19}, 
ref_PCollection_PCollection_9:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=51, 
count=3, min=17, max=17}, 
ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_1}: DistributionResult{sum=13, 
count=1, min=13, max=13}, 
ref_PCollection_PCollection_1:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=54, 
count=3, min=18, max=18}))
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactRetrievalService
 - Manifest at 
/tmp/beam-artifact-staging/job_b84d94fc-d0ef-43be-9d23-d4f92b0a8f3a/MANIFEST 
has 1 artifact locations
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService
 - Removed dir 
/tmp/beam-artifact-staging/job_b84d94fc-d0ef-43be-9d23-d4f92b0a8f3a/
ok
test_java_expansion_dataflow 
(apache_beam.transforms.external_test.ExternalTransformTest) ... SKIP: No 
expansion service jar or port provided.
test_java_expansion_portable_runner 
(apache_beam.transforms.external_test.ExternalTransformTest) ... ERROR
test_multi (apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_nested (apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_payload (apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_pipeline_generation 
(apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_simple (apache_beam.transforms.external_test.ExternalTransformTest) ... ok

======================================================================
ERROR: test_java_expansion_portable_runner 
(apache_beam.transforms.external_test.ExternalTransformTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external_test.py";,>
 line 315, in test_java_expansion_portable_runner
    ExternalTransformTest.run_pipeline_with_portable_runner(None)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external_test.py";,>
 line 348, in run_pipeline_with_portable_runner
    pipeline_options, ExternalTransformTest.expansion_service_port, True)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external_test.py";,>
 line 375, in run_pipeline
    | beam.Map(lambda kv: '%s: %s' % kv))
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/pvalue.py";,>
 line 113, in __or__
    return self.pipeline.apply(ptransform, self)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/pipeline.py";,>
 line 517, in apply
    pvalueish_result = self.runner.apply(transform, pvalueish, self._options)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/runners/runner.py";,>
 line 175, in apply
    return m(transform, input, options)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/runners/runner.py";,>
 line 181, in apply_PTransform
    return transform.expand(input)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external.py";,>
 line 320, in expand
    channel).Expand(request)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 565, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 467, in _end_unary_response_blocking
    raise _Rendezvous(state, None, None, deadline)
_Rendezvous: <_Rendezvous of RPC that terminated with:
        status = StatusCode.UNAVAILABLE
        details = "DNS resolution failed"
        debug_error_string = 
"{"created":"@1569020664.127126692","description":"Failed to pick 
subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":3818,"referenced_errors":[{"created":"@1569020664.127115110","description":"Resolver
 transient 
failure","file":"src/core/ext/filters/client_channel/resolving_lb_policy.cc","file_line":268,"referenced_errors":[{"created":"@1569020664.127112178","description":"DNS
 resolution 
failed","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":357,"grpc_status":14,"referenced_errors":[{"created":"@1569020664.127066670","description":"C-ares
 status is not ARES_SUCCESS: Domain name not 
found","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244,"referenced_errors":[{"created":"@1569020664.114798479","description":"C-ares
 status is not ARES_SUCCESS: Domain name not 
found","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244}]}]}]}]}"
>

----------------------------------------------------------------------
XML: nosetests-xlangValidateRunner.xml
----------------------------------------------------------------------
XML: 
<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/nosetests.xml>
----------------------------------------------------------------------
Ran 9 tests in 67.574s

FAILED (SKIP=1, errors=1)

> Task 
> :runners:flink:1.5:job-server:validatesCrossLanguageRunnerPythonUsingJava 
> FAILED

> Task 
> :runners:flink:1.5:job-server:validatesCrossLanguageRunnerPythonUsingPython
setup.py:185: UserWarning: You are using Apache Beam with Python 2. New 
releases of Apache Beam will soon support Python 3 only.
  'You are using Apache Beam with Python 2. '
<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/setuptools/dist.py>:474:
 UserWarning: Normalizing '2.17.0.dev' to '2.17.0.dev0'
  normalized_version,
warning: no files found matching 'README.md'
warning: no files found matching 'NOTICE'
warning: no files found matching 'LICENSE'
<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/__init__.py>:84:
 UserWarning: You are using Apache Beam with Python 2. New releases of Apache 
Beam will soon support Python 3 only.
  'You are using Apache Beam with Python 2. '
test_generate_sequence 
(apache_beam.io.external.generate_sequence_test.XlangGenerateSequenceTest) ... 
ok
test_write (apache_beam.io.external.xlang_parquetio_test.XlangParquetIOTest) 
... ok
test_java_expansion_dataflow 
(apache_beam.transforms.external_test.ExternalTransformTest) ... SKIP: No 
expansion service jar or port provided.
test_java_expansion_portable_runner 
(apache_beam.transforms.external_test.ExternalTransformTest) ... ERROR
test_multi (apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_nested (apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_payload (apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_pipeline_generation 
(apache_beam.transforms.external_test.ExternalTransformTest) ... ok
test_simple (apache_beam.transforms.external_test.ExternalTransformTest) ... ok

======================================================================
ERROR: test_java_expansion_portable_runner 
(apache_beam.transforms.external_test.ExternalTransformTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external_test.py";,>
 line 315, in test_java_expansion_portable_runner
    ExternalTransformTest.run_pipeline_with_portable_runner(None)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external_test.py";,>
 line 348, in run_pipeline_with_portable_runner
    pipeline_options, ExternalTransformTest.expansion_service_port, True)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external_test.py";,>
 line 375, in run_pipeline
    | beam.Map(lambda kv: '%s: %s' % kv))
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/pvalue.py";,>
 line 113, in __or__
    return self.pipeline.apply(ptransform, self)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/pipeline.py";,>
 line 517, in apply
    pvalueish_result = self.runner.apply(transform, pvalueish, self._options)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/runners/runner.py";,>
 line 175, in apply
    return m(transform, input, options)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/runners/runner.py";,>
 line 181, in apply_PTransform
    return transform.expand(input)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/apache_beam/transforms/external.py";,>
 line 320, in expand
    channel).Expand(request)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 565, in __call__
    return _end_unary_response_blocking(state, call, False, None)
  File 
"<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/build/gradleenv/1922375555/local/lib/python2.7/site-packages/grpc/_channel.py";,>
 line 467, in _end_unary_response_blocking
    raise _Rendezvous(state, None, None, deadline)
_Rendezvous: <_Rendezvous of RPC that terminated with:
        status = StatusCode.UNAVAILABLE
        details = "DNS resolution failed"
        debug_error_string = 
"{"created":"@1569020675.208905109","description":"Failed to pick 
subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":3818,"referenced_errors":[{"created":"@1569020675.208894118","description":"Resolver
 transient 
failure","file":"src/core/ext/filters/client_channel/resolving_lb_policy.cc","file_line":268,"referenced_errors":[{"created":"@1569020675.208892123","description":"DNS
 resolution 
failed","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc","file_line":357,"grpc_status":14,"referenced_errors":[{"created":"@1569020675.208844336","description":"C-ares
 status is not ARES_SUCCESS: Domain name not 
found","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244,"referenced_errors":[{"created":"@1569020675.201365704","description":"C-ares
 status is not ARES_SUCCESS: Domain name not 
found","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244}]}]}]}]}"
>

----------------------------------------------------------------------
XML: nosetests-xlangValidateRunner.xml
----------------------------------------------------------------------
XML: 
<https://builds.apache.org/job/beam_PostCommit_XVR_Flink/ws/src/sdks/python/nosetests.xml>
----------------------------------------------------------------------
Ran 9 tests in 6.307s

FAILED (SKIP=1, errors=1)

> Task 
> :runners:flink:1.5:job-server:validatesCrossLanguageRunnerPythonUsingPython 
> FAILED
> Task :runners:flink:1.5:job-server:validatesCrossLanguageRunnerCleanup

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task 
':runners:flink:1.5:job-server:validatesCrossLanguageRunnerPythonUsingJava'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug 
option to get more log output. Run with --scan to get full insights.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task 
':runners:flink:1.5:job-server:validatesCrossLanguageRunnerPythonUsingPython'.
> Process 'command 'sh'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug 
option to get more log output. Run with --scan to get full insights.
==============================================================================

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 6.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See 
https://docs.gradle.org/5.2.1/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 12m 29s
125 actionable tasks: 94 executed, 25 from cache, 6 up-to-date

Publishing build scan...
https://gradle.com/s/bx4s5x5djcmq6

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure

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