See 
<https://builds.apache.org/job/beam_PostRelease_NightlySnapshot/674/display/redirect?page=changes>

Changes:

[dcavazos] Add Python snippet for WithTimestamps transform

[valentyn] Use Beam's abstraction of pickler instead of dill in coder tests.

[kcweaver] [BEAM-7710] [website] remove outdated reference to KeyedCombineFn

[heejong] [BEAM-7689] make a temporary directory unique for FileBaseSink

[lcwik] [BEAM-7668] Add ability to query a pipeline definition from a gRPC

[chamikara] [BEAM-7389] Add Python snippet for Partition transform (#8904)

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[INFO] Downloading from central: 
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[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/org/apache/maven/shared/maven-artifact-transfer/0.9.0/maven-artifact-transfer-0.9.0.jar
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[INFO] Downloading from central: 
https://repo.maven.apache.org/maven2/org/beanshell/bsh/2.0b4/bsh-2.0b4.jar
[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/org/slf4j/slf4j-api/1.7.5/slf4j-api-1.7.5.jar
 (26 kB at 68 kB/s)
[INFO] Downloading from central: 
https://repo.maven.apache.org/maven2/org/apache/ant/ant/1.8.1/ant-1.8.1.jar
[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/org/apache/maven/shared/maven-script-interpreter/1.0/maven-script-interpreter-1.0.jar
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[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/commons-codec/commons-codec/1.6/commons-codec-1.6.jar
 (233 kB at 569 kB/s)
[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/org/beanshell/bsh/2.0b4/bsh-2.0b4.jar (282 
kB at 648 kB/s)
[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/commons-collections/commons-collections/3.2.1/commons-collections-3.2.1.jar
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[INFO] Downloaded from central: 
https://repo.maven.apache.org/maven2/org/apache/ant/ant/1.8.1/ant-1.8.1.jar 
(1.5 MB at 3.0 MB/s)
[INFO] Generating project in Batch mode
[INFO] Archetype repository not defined. Using the one from 
[org.apache.beam:beam-sdks-java-maven-archetypes-examples:2.13.0] found in 
catalog remote
[INFO] Downloading from test.release: 
https://repository.apache.org/content/repositories/snapshots/org/apache/beam/beam-sdks-java-maven-archetypes-examples/2.15.0-SNAPSHOT/maven-metadata.xml
[INFO] Downloaded from test.release: 
https://repository.apache.org/content/repositories/snapshots/org/apache/beam/beam-sdks-java-maven-archetypes-examples/2.15.0-SNAPSHOT/maven-metadata.xml
 (1.7 kB at 5.1 kB/s)
[INFO] Downloading from test.release: 
https://repository.apache.org/content/repositories/snapshots/org/apache/beam/beam-sdks-java-maven-archetypes-examples/2.15.0-SNAPSHOT/beam-sdks-java-maven-archetypes-examples-2.15.0-20190711.074034-23.pom
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[INFO] Downloading from test.release: 
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[INFO] Downloaded from test.release: 
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[INFO] 
----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Archetype: 
beam-sdks-java-maven-archetypes-examples:2.15.0-SNAPSHOT
[INFO] 
----------------------------------------------------------------------------
[INFO] Parameter: groupId, Value: org.example
[INFO] Parameter: artifactId, Value: word-count-beam
[INFO] Parameter: version, Value: 0.1
[INFO] Parameter: package, Value: org.apache.beam.examples
[INFO] Parameter: packageInPathFormat, Value: org/apache/beam/examples
[INFO] Parameter: package, Value: org.apache.beam.examples
[INFO] Parameter: version, Value: 0.1
[INFO] Parameter: groupId, Value: org.example
[INFO] Parameter: targetPlatform, Value: 1.8
[INFO] Parameter: artifactId, Value: word-count-beam
[INFO] Project created from Archetype in dir: 
/tmp/groovy-generated-4383880507382620556-tmpdir/word-count-beam
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 9.071 s
[INFO] Finished at: 2019-07-11T11:41:20Z
[INFO] ------------------------------------------------------------------------
Verified [INFO] BUILD SUCCESS
cd word-count-beam
ls
pom.xml
src
Verified pom.xml
Verified src
ls src/main/java/org/apache/beam/examples/
common
complete
DebuggingWordCount.java
MinimalWordCount.java
subprocess
WindowedWordCount.java
WordCount.java
Verified WordCount.java
ls src/main/java/org/apache/beam/examples/complete/game/
GameStats.java
HourlyTeamScore.java
injector
LeaderBoard.java
StatefulTeamScore.java
UserScore.java
utils
Verified UserScore.java

**************************************
* Test: Runs the WordCount Code with Dataflow runner
**************************************

gsutil rm 
gs://temp-storage-for-release-validation-tests/nightly-snapshot-validation/count*
 || echo 'No files'
CommandException: No URLs matched: 
gs://temp-storage-for-release-validation-tests/nightly-snapshot-validation/count*
No files
mvn compile exec:java -q       
-Dexec.mainClass=org.apache.beam.examples.WordCount       
-Dexec.args="--runner=DataflowRunner                    
--project=apache-beam-testing                    
--gcpTempLocation=gs://temp-storage-for-release-validation-tests/nightly-snapshot-validation/tmp
                    
--output=gs://temp-storage-for-release-validation-tests/nightly-snapshot-validation/counts
                    --inputFile=gs://apache-beam-samples/shakespeare/*"         
            -Pdataflow-runner
Using maven /home/jenkins/tools/maven/apache-maven-3.5.4
[ERROR] Failed to execute goal on project word-count-beam: Could not resolve 
dependencies for project org.example:word-count-beam:jar:0.1: Could not 
transfer artifact 
org.apache.beam:beam-runners-google-cloud-dataflow-java:jar:2.15.0-20190711.071033-23
 from/to test.release 
(https://repository.apache.org/content/repositories/snapshots): Connect to 
repository.apache.org:443 [repository.apache.org/207.244.88.140] failed: 
Connection timed out (Connection timed out) -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
[ERROR] Failed to execute goal on project word-count-beam: Could not resolve 
dependencies for project org.example:word-count-beam:jar:0.1: Could not 
transfer artifact 
org.apache.beam:beam-runners-google-cloud-dataflow-java:jar:2.15.0-20190711.071033-23
 from/to test.release 
(https://repository.apache.org/content/repositories/snapshots): Connect to 
repository.apache.org:443 [repository.apache.org/207.244.88.140] failed: 
Connection timed out (Connection timed out) -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
[ERROR] Failed command

> Task :runners:google-cloud-dataflow-java:runQuickstartJavaDataflow FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task 
':runners:google-cloud-dataflow-java:runQuickstartJavaDataflow'.
> Process 'command '/usr/lib/jvm/java-8-openjdk-amd64/bin/java'' 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 53m 9s
8 actionable tasks: 7 executed, 1 from cache

Publishing build scan...
https://gradle.com/s/nssmz6gobrk6m

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

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