See 
<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/2022/display/redirect?page=changes>

Changes:

[mxm] [BEAM-9930] Beam Summit Digital 2020 announcement on blog

[mxm] Correct URL in blog post

[matthias.baetens] Minor (markup) changes

[mxm] [BEAM-9930] Correct authors of beam summit digital blog post


------------------------------------------
[...truncated 4.60 MB...]
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/sdk_worker.py";,>
 line 471, in do_instruction
    getattr(request, request_type), request.instruction_id)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/sdk_worker.py";,>
 line 506, in process_bundle
    bundle_processor.process_bundle(instruction_id))
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/bundle_processor.py";,>
 line 913, in process_bundle
    element.data)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/bundle_processor.py";,>
 line 217, in process_encoded
    self.output(decoded_value)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/operations.py";,>
 line 332, in output
    cython.cast(Receiver, self.receivers[output_index]).receive(windowed_value)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/operations.py";,>
 line 195, in receive
    self.consumer.process(windowed_value)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/operations.py";,>
 line 764, in process
    delayed_application = self.dofn_runner.process_with_sized_restriction(o)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/common.py";,>
 line 975, in process_with_sized_restriction
    watermark_estimator=watermark_estimator)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/common.py";,>
 line 712, in invoke_process
    windowed_value, additional_args, additional_kwargs)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/common.py";,>
 line 819, in _invoke_process_per_window
    self.threadsafe_restriction_tracker.check_done()
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/sdf_utils.py";,>
 line 115, in check_done
    return self._restriction_tracker.check_done()
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/io/restriction_trackers.py";,>
 line 101, in check_done
    self._range.stop))
ValueError: OffsetRestrictionTracker is not done since work in range [0, 6) has 
not been claimed.

INFO:apache_beam.runners.portability.portable_runner:Job state changed to FAILED
.sssINFO:apache_beam.runners.worker.worker_pool_main:Listening for workers at 
localhost:44193
WARNING:root:Make sure that locally built Python SDK docker image has Python 
3.5 interpreter.
INFO:root:Using Python SDK docker image: apache/beam_python3.5_sdk:2.22.0.dev. 
If the image is not available at local, we will try to pull from hub.docker.com
INFO:apache_beam.runners.portability.portable_runner:Environment "LOOPBACK" has 
started a component necessary for the execution. Be sure to run the pipeline 
using
  with Pipeline() as p:
    p.apply(..)
This ensures that the pipeline finishes before this program exits.
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
STOPPED
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
STARTING
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
RUNNING
[flink-runner-job-invoker] WARN 
org.apache.flink.runtime.webmonitor.WebMonitorUtils - Log file environment 
variable 'log.file' is not set.
[flink-runner-job-invoker] WARN 
org.apache.flink.runtime.webmonitor.WebMonitorUtils - JobManager log files are 
unavailable in the web dashboard. Log file location not found in environment 
variable 'log.file' or configuration key 'Key: 'web.log.path' , default: null 
(fallback keys: [{key=jobmanager.web.log.path, isDeprecated=true}])'.
[[5]{Create, Map(<lambda at fn_runner_test.py:474>), WindowInto(WindowIntoFn), 
Map(<lambda at fn_runner_test.py:477>)} (1/2)] WARN 
org.apache.flink.metrics.MetricGroup - The operator name [5]{Create, 
Map(<lambda at fn_runner_test.py:474>), WindowInto(WindowIntoFn), Map(<lambda 
at fn_runner_test.py:477>)} exceeded the 80 characters length limit and was 
truncated.
[[5]{Create, Map(<lambda at fn_runner_test.py:474>), WindowInto(WindowIntoFn), 
Map(<lambda at fn_runner_test.py:477>)} (2/2)] WARN 
org.apache.flink.metrics.MetricGroup - The operator name [5]{Create, 
Map(<lambda at fn_runner_test.py:474>), WindowInto(WindowIntoFn), Map(<lambda 
at fn_runner_test.py:477>)} exceeded the 80 characters length limit and was 
truncated.
INFO:apache_beam.runners.worker.statecache:Creating state cache with size 0
INFO:apache_beam.runners.worker.sdk_worker:Creating insecure control channel 
for localhost:37203.
INFO:apache_beam.runners.worker.sdk_worker:Control channel established.
INFO:apache_beam.runners.worker.sdk_worker:Initializing SDKHarness with 
unbounded number of workers.
INFO:apache_beam.runners.worker.sdk_worker:Creating insecure state channel for 
localhost:34905.
INFO:apache_beam.runners.worker.sdk_worker:State channel established.
INFO:apache_beam.runners.worker.data_plane:Creating client data channel for 
ERROR:apache_beam.runners.worker.data_plane:Failed to read inputs in the data 
plane.
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/data_plane.py";,>
 line 528, in _read_inputs
    for elements in elements_iterator:
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 416, in __next__
    return self._next()
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 689, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "DNS resolution failed"
        debug_error_string = 
"{"created":"@1589114255.836193289","description":"Failed to pick 
subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":3981,"referenced_errors":[{"created":"@1589114255.836187806","description":"Resolver
 transient 
failure","file":"src/core/ext/filters/client_channel/resolving_lb_policy.cc","file_line":214,"referenced_errors":[{"created":"@1589114255.836186001","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":"@1589114255.836173588","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244,"referenced_errors":[{"created":"@1589114255.836145966","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244}]}]}]}]}"
>
INFO:apache_beam.runners.worker.data_plane:Creating client data channel for 
localhost:38375
Exception in thread read_grpc_client_inputs:
Traceback (most recent call last):
  File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.5/threading.py", line 862, in run
    self._target(*self._args, **self._kwargs)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/data_plane.py";,>
 line 545, in <lambda>
    target=lambda: self._read_inputs(elements_iterator),
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/data_plane.py";,>
 line 528, in _read_inputs
    for elements in elements_iterator:
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 416, in __next__
    return self._next()
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 689, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "DNS resolution failed"
        debug_error_string = 
"{"created":"@1589114255.836193289","description":"Failed to pick 
subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":3981,"referenced_errors":[{"created":"@1589114255.836187806","description":"Resolver
 transient 
failure","file":"src/core/ext/filters/client_channel/resolving_lb_policy.cc","file_line":214,"referenced_errors":[{"created":"@1589114255.836186001","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":"@1589114255.836173588","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244,"referenced_errors":[{"created":"@1589114255.836145966","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244}]}]}]}]}"
>

INFO:apache_beam.runners.worker.sdk_worker:No more requests from control plane
INFO:apache_beam.runners.worker.sdk_worker:SDK Harness waiting for in-flight 
requests to complete
INFO:apache_beam.runners.worker.data_plane:Closing all cached grpc data 
channels.
INFO:apache_beam.runners.worker.sdk_worker:Closing all cached gRPC state 
handlers.
INFO:apache_beam.runners.worker.sdk_worker:Done consuming work.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for 
unknown endpoint.
[grpc-default-executor-0] WARN 
org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for unknown 
endpoint.
INFO:apache_beam.runners.portability.portable_runner:Job state changed to DONE
.INFO:apache_beam.runners.worker.worker_pool_main:Listening for workers at 
localhost:38327
WARNING:root:Make sure that locally built Python SDK docker image has Python 
3.5 interpreter.
INFO:root:Using Python SDK docker image: apache/beam_python3.5_sdk:2.22.0.dev. 
If the image is not available at local, we will try to pull from hub.docker.com
INFO:apache_beam.runners.portability.portable_runner:Environment "LOOPBACK" has 
started a component necessary for the execution. Be sure to run the pipeline 
using
  with Pipeline() as p:
    p.apply(..)
This ensures that the pipeline finishes before this program exits.
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
STOPPED
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
STARTING
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
RUNNING
[flink-runner-job-invoker] WARN 
org.apache.flink.runtime.webmonitor.WebMonitorUtils - Log file environment 
variable 'log.file' is not set.
[flink-runner-job-invoker] WARN 
org.apache.flink.runtime.webmonitor.WebMonitorUtils - JobManager log files are 
unavailable in the web dashboard. Log file location not found in environment 
variable 'log.file' or configuration key 'Key: 'web.log.path' , default: null 
(fallback keys: [{key=jobmanager.web.log.path, isDeprecated=true}])'.
INFO:apache_beam.runners.worker.statecache:Creating state cache with size 0
INFO:apache_beam.runners.worker.sdk_worker:Creating insecure control channel 
for localhost:41793.
INFO:apache_beam.runners.worker.sdk_worker:Control channel established.
INFO:apache_beam.runners.worker.sdk_worker:Initializing SDKHarness with 
unbounded number of workers.
INFO:apache_beam.runners.worker.sdk_worker:Creating insecure state channel for 
localhost:34973.
INFO:apache_beam.runners.worker.sdk_worker:State channel established.
INFO:apache_beam.runners.worker.data_plane:Creating client data channel for 
ERROR:apache_beam.runners.worker.data_plane:Failed to read inputs in the data 
plane.
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/data_plane.py";,>
 line 528, in _read_inputs
    for elements in elements_iterator:
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 416, in __next__
    return self._next()
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 689, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "DNS resolution failed"
        debug_error_string = 
"{"created":"@1589114259.280474631","description":"Failed to pick 
subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":3981,"referenced_errors":[{"created":"@1589114259.280469671","description":"Resolver
 transient 
failure","file":"src/core/ext/filters/client_channel/resolving_lb_policy.cc","file_line":214,"referenced_errors":[{"created":"@1589114259.280468008","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":"@1589114259.280456082","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244,"referenced_errors":[{"created":"@1589114259.280429290","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244}]}]}]}]}"
>
INFO:apache_beam.runners.worker.data_plane:Creating client data channel for 
localhost:38595
Exception in thread read_grpc_client_inputs:
Traceback (most recent call last):
  File "/usr/lib/python3.5/threading.py", line 914, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.5/threading.py", line 862, in run
    self._target(*self._args, **self._kwargs)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/data_plane.py";,>
 line 545, in <lambda>
    target=lambda: self._read_inputs(elements_iterator),
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/worker/data_plane.py";,>
 line 528, in _read_inputs
    for elements in elements_iterator:
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 416, in __next__
    return self._next()
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 689, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "DNS resolution failed"
        debug_error_string = 
"{"created":"@1589114259.280474631","description":"Failed to pick 
subchannel","file":"src/core/ext/filters/client_channel/client_channel.cc","file_line":3981,"referenced_errors":[{"created":"@1589114259.280469671","description":"Resolver
 transient 
failure","file":"src/core/ext/filters/client_channel/resolving_lb_policy.cc","file_line":214,"referenced_errors":[{"created":"@1589114259.280468008","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":"@1589114259.280456082","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244,"referenced_errors":[{"created":"@1589114259.280429290","description":"C-ares
 status is not ARES_SUCCESS: Misformatted domain 
name","file":"src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_wrapper.cc","file_line":244}]}]}]}]}"
>

INFO:apache_beam.runners.worker.sdk_worker:No more requests from control plane
INFO:apache_beam.runners.worker.sdk_worker:SDK Harness waiting for in-flight 
requests to complete
INFO:apache_beam.runners.worker.data_plane:Closing all cached grpc data 
channels.
INFO:apache_beam.runners.worker.sdk_worker:Closing all cached gRPC state 
handlers.
INFO:apache_beam.runners.worker.sdk_worker:Done consuming work.
[assert_that/Group/GroupByKey -> [3]assert_that/{Group, Unkey, Match} (1/2)] 
WARN org.apache.beam.sdk.fn.data.BeamFnDataGrpcMultiplexer - Hanged up for 
unknown endpoint.
INFO:apache_beam.runners.portability.portable_runner:Job state changed to DONE
.INFO:__main__:removing conf dir: /tmp/flinktest-conf19jmli51
==================== Timed out after 60 seconds. ====================

# Thread: <_Worker(Thread-136, started daemon 139630351460096)>

# Thread: <_Worker(Thread-99, started daemon 139630888331008)>

# Thread: <_Worker(Thread-54, started daemon 139631735600896)>

# Thread: <_Worker(Thread-8, started daemon 139631710422784)>

# Thread: <_MainThread(MainThread, started 139632623339264)>

# Thread: <_Worker(Thread-77, started daemon 139631685244672)>

# Thread: <_Worker(Thread-31, started daemon 139631718815488)>

======================================================================
ERROR: test_external_transforms (__main__.FlinkRunnerTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/portability/flink_runner_test.py";,>
 line 219, in test_external_transforms
    expansion_service=get_expansion_service()))
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/transforms/ptransform.py";,>
 line 562, in __ror__
    result = p.apply(self, pvalueish, label)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/pipeline.py";,>
 line 658, in apply
    pvalueish_result = self.runner.apply(transform, pvalueish, self._options)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/runner.py";,>
 line 198, in apply
    return m(transform, input, options)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/runner.py";,>
 line 228, in apply_PTransform
    return transform.expand(input)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/transforms/external.py";,>
 line 329, in expand
    pipeline.local_tempdir)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/transforms/external.py";,>
 line 371, in _resolve_artifacts
    artifact_service.resolve_artifacts(env.dependencies, service, dest))
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/portability/artifact_service.py";,>
 line 550, in resolve_artifacts
    artifacts=artifacts)).replacements
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 825, in __call__
    wait_for_ready, compression)
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/build/gradleenv/2022703439/lib/python3.5/site-packages/grpc/_channel.py";,>
 line 813, in _blocking
    event = call.next_event()
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 336, in 
grpc._cython.cygrpc.SegregatedCall.next_event
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 169, in 
grpc._cython.cygrpc._next_call_event
  File "src/python/grpcio/grpc/_cython/_cygrpc/channel.pyx.pxi", line 163, in 
grpc._cython.cygrpc._next_call_event
  File "src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi", line 
63, in grpc._cython.cygrpc._latent_event
  File "src/python/grpcio/grpc/_cython/_cygrpc/completion_queue.pyx.pxi", line 
42, in grpc._cython.cygrpc._next
  File 
"<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/apache_beam/runners/portability/portable_runner_test.py";,>
 line 82, in handler
    raise BaseException(msg)
BaseException: Timed out after 60 seconds.

----------------------------------------------------------------------
Ran 80 tests in 610.415s

FAILED (errors=1, skipped=16)

> Task 
> :sdks:python:test-suites:portable:py35:flinkCompatibilityMatrixStreamingPreOptimizeLOOPBACK
>  FAILED

FAILURE: Build completed with 2 failures.

1: Task failed with an exception.
-----------
* Where:
Script 
'<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/test-suites/portable/common.gradle'>
 line: 55

* What went wrong:
Execution failed for task 
':sdks:python:test-suites:portable:py35:flinkCompatibilityMatrixStreamingLOOPBACK'.
> 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.
-----------
* Where:
Script 
'<https://builds.apache.org/job/beam_PostCommit_Python35_VR_Flink/ws/src/sdks/python/test-suites/portable/common.gradle'>
 line: 55

* What went wrong:
Execution failed for task 
':sdks:python:test-suites:portable:py35:flinkCompatibilityMatrixStreamingPreOptimizeLOOPBACK'.
> 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 37m 16s
78 actionable tasks: 58 executed, 19 from cache, 1 up-to-date

Publishing build scan...
https://gradle.com/s/keujcr4tv5wgw

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

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