See 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/1724/display/redirect?page=changes>

Changes:

[dhalperi] Add javadoc to the Metric interfaces

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2017-04-20T18:45:27.132 [INFO] Downloaded: 
https://repo.maven.apache.org/maven2/org/slf4j/slf4j-api/1.7.7/slf4j-api-1.7.7.jar
 (29 KB at 255.1 KB/sec)
2017-04-20T18:45:27.136 [INFO] Downloaded: 
https://repo.maven.apache.org/maven2/org/slf4j/slf4j-simple/1.7.7/slf4j-simple-1.7.7.jar
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2017-04-20T18:45:27.162 [INFO] Downloaded: 
https://repo.maven.apache.org/maven2/org/apache/commons/commons-compress/1.8.1/commons-compress-1.8.1.jar
 (357 KB at 2514.0 KB/sec)
2017-04-20T18:45:27.210 [INFO] Downloaded: 
https://repo.maven.apache.org/maven2/org/xerial/snappy/snappy-java/1.1.1.3/snappy-java-1.1.1.3.jar
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2017-04-20T18:45:27.219 [INFO] Downloaded: 
https://repo.maven.apache.org/maven2/joda-time/joda-time/2.7/joda-time-2.7.jar 
(576 KB at 2891.8 KB/sec)
2017-04-20T18:45:27.896 [INFO] 
2017-04-20T18:45:27.896 [INFO] --- maven-remote-resources-plugin:1.5:process 
(process-resource-bundles) @ beam-sdks-java-core ---
2017-04-20T18:45:28.770 [INFO] 
2017-04-20T18:45:28.770 [INFO] --- maven-resources-plugin:2.7:resources 
(default-resources) @ beam-sdks-java-core ---
2017-04-20T18:45:28.771 [INFO] Using 'UTF-8' encoding to copy filtered 
resources.
2017-04-20T18:45:28.772 [INFO] Copying 1 resource
2017-04-20T18:45:28.806 [INFO] Copying 3 resources
2017-04-20T18:45:28.860 [INFO] 
2017-04-20T18:45:28.860 [INFO] --- maven-compiler-plugin:3.6.1:compile 
(default-compile) @ beam-sdks-java-core ---
2017-04-20T18:45:28.949 [INFO] Changes detected - recompiling the module!
2017-04-20T18:45:28.950 [INFO] Compiling 405 source files to 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/target/classes>
2017-04-20T18:45:36.745 [WARNING] bootstrap class path not set in conjunction 
with -source 1.7
2017-04-20T18:45:36.745 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/main/java/org/apache/beam/sdk/io/FileBasedSink.java>:
 Some input files use or override a deprecated API.
2017-04-20T18:45:36.745 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/main/java/org/apache/beam/sdk/io/FileBasedSink.java>:
 Recompile with -Xlint:deprecation for details.
2017-04-20T18:45:36.745 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/main/java/org/apache/beam/sdk/options/ValueProvider.java>:
 Some input files use unchecked or unsafe operations.
2017-04-20T18:45:36.746 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/main/java/org/apache/beam/sdk/options/ValueProvider.java>:
 Recompile with -Xlint:unchecked for details.
2017-04-20T18:45:36.839 [INFO] 
2017-04-20T18:45:36.839 [INFO] --- 
build-helper-maven-plugin:3.0.0:add-test-source (add-test-source) @ 
beam-sdks-java-core ---
2017-04-20T18:45:36.841 [INFO] Test Source directory: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/target/generated-test-sources/java>
 added.
2017-04-20T18:45:36.891 [INFO] 
2017-04-20T18:45:36.891 [INFO] --- maven-resources-plugin:2.7:testResources 
(default-testResources) @ beam-sdks-java-core ---
2017-04-20T18:45:36.893 [INFO] Using 'UTF-8' encoding to copy filtered 
resources.
2017-04-20T18:45:36.893 [INFO] skip non existing resourceDirectory 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/test/resources>
2017-04-20T18:45:36.893 [INFO] Copying 3 resources
2017-04-20T18:45:36.989 [INFO] 
2017-04-20T18:45:36.989 [INFO] --- maven-compiler-plugin:3.6.1:testCompile 
(default-testCompile) @ beam-sdks-java-core ---
2017-04-20T18:45:37.116 [INFO] Changes detected - recompiling the module!
2017-04-20T18:45:37.116 [INFO] Compiling 244 source files to 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/target/test-classes>
2017-04-20T18:45:44.569 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/test/java/org/apache/beam/sdk/io/FileBasedSourceTest.java>:
 Some input files use or override a deprecated API.
2017-04-20T18:45:44.569 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/test/java/org/apache/beam/sdk/io/FileBasedSourceTest.java>:
 Recompile with -Xlint:deprecation for details.
2017-04-20T18:45:44.570 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java>:
 Some input files use unchecked or unsafe operations.
2017-04-20T18:45:44.570 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/SampleTest.java>:
 Recompile with -Xlint:unchecked for details.
2017-04-20T18:45:44.662 [INFO] 
2017-04-20T18:45:44.662 [INFO] --- maven-checkstyle-plugin:2.17:check (default) 
@ beam-sdks-java-core ---
2017-04-20T18:46:38.278 [INFO] Starting audit...
[ERROR] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Spark/ws/sdks/java/core/src/main/java/org/apache/beam/sdk/metrics/MetricResults.java>:32:
 Empty line should be followed by <p> tag on the next line. [JavadocParagraph]
Audit done.
2017-04-20T18:46:38.278 [INFO] There is 1 error reported by Checkstyle 6.19 
with beam/checkstyle.xml ruleset.
2017-04-20T18:46:38.281 [ERROR] 
src/main/java/org/apache/beam/sdk/metrics/MetricResults.java:[32] (javadoc) 
JavadocParagraph: Empty line should be followed by <p> tag on the next line.
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
[JENKINS] Archiving disabled
2017-04-20T18:46:42.361 [INFO] 
------------------------------------------------------------------------
2017-04-20T18:46:42.362 [INFO] Reactor Summary:
2017-04-20T18:46:42.362 [INFO] 
2017-04-20T18:46:42.362 [INFO] Apache Beam :: Parent 
.............................. SUCCESS [ 29.316 s]
2017-04-20T18:46:42.362 [INFO] Apache Beam :: SDKs :: Java :: Build Tools 
......... SUCCESS [ 23.324 s]
2017-04-20T18:46:42.362 [INFO] Apache Beam :: SDKs 
................................ SUCCESS [  1.737 s]
2017-04-20T18:46:42.362 [INFO] Apache Beam :: SDKs :: Common 
...................... SUCCESS [  1.549 s]
2017-04-20T18:46:42.362 [INFO] Apache Beam :: SDKs :: Common :: Fn API 
............ SUCCESS [ 15.056 s]
2017-04-20T18:46:42.362 [INFO] Apache Beam :: SDKs :: Common :: Runner API 
........ SUCCESS [  4.829 s]
2017-04-20T18:46:42.362 [INFO] Apache Beam :: SDKs :: Java 
........................ SUCCESS [  2.494 s]
2017-04-20T18:46:42.363 [INFO] Apache Beam :: SDKs :: Java :: Core 
................ FAILURE [01:18 min]
2017-04-20T18:46:42.363 [INFO] Apache Beam :: SDKs :: Java :: IO 
.................. SKIPPED
2017-04-20T18:46:42.363 [INFO] Apache Beam :: Runners 
............................. SKIPPED
2017-04-20T18:46:42.367 [INFO] Apache Beam :: Runners :: Core Construction Java 
... SKIPPED
2017-04-20T18:46:42.367 [INFO] Apache Beam :: Runners :: Core Java 
................ SKIPPED
2017-04-20T18:46:42.379 [INFO] Apache Beam :: Runners :: Direct Java 
.............. SKIPPED
2017-04-20T18:46:42.382 [INFO] Apache Beam :: SDKs :: Java :: IO :: Kafka 
......... SKIPPED
2017-04-20T18:46:42.382 [INFO] Apache Beam :: Runners :: Spark 
.................... SKIPPED
2017-04-20T18:46:42.382 [INFO] 
------------------------------------------------------------------------
2017-04-20T18:46:42.382 [INFO] BUILD FAILURE
2017-04-20T18:46:42.382 [INFO] 
------------------------------------------------------------------------
2017-04-20T18:46:42.382 [INFO] Total time: 03:53 min
2017-04-20T18:46:42.383 [INFO] Finished at: 2017-04-20T18:46:42+00:00
2017-04-20T18:46:43.134 [INFO] Final Memory: 95M/1426M
2017-04-20T18:46:43.134 [INFO] 
------------------------------------------------------------------------
2017-04-20T18:46:43.134 [WARNING] The requested profile 
"validates-runner-tests" could not be activated because it does not exist.
2017-04-20T18:46:43.307 [ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (default) on 
project beam-sdks-java-core: You have 1 Checkstyle violation. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
org.apache.maven.plugins:maven-checkstyle-plugin:2.17:check (default) on 
project beam-sdks-java-core: You have 1 Checkstyle violation.
Waiting for Jenkins to finish collecting data
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
        at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
        at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at 
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
        at 
org.jvnet.hudson.maven3.launcher.Maven33Launcher.main(Maven33Launcher.java:129)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launchStandard(Launcher.java:330)
        at 
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:238)
        at jenkins.maven3.agent.Maven33Main.launch(Maven33Main.java:176)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at hudson.maven.Maven3Builder.call(Maven3Builder.java:139)
        at hudson.maven.Maven3Builder.call(Maven3Builder.java:70)
        at hudson.remoting.UserRequest.perform(UserRequest.java:153)
        at hudson.remoting.UserRequest.perform(UserRequest.java:50)
        at hudson.remoting.Request$2.run(Request.java:336)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.maven.plugin.MojoFailureException: You have 1 Checkstyle 
violation.
        at 
org.apache.maven.plugin.checkstyle.CheckstyleViolationCheckMojo.execute(CheckstyleViolationCheckMojo.java:588)
        at 
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
        at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
        ... 31 more
2017-04-20T18:46:43.308 [ERROR] 
2017-04-20T18:46:43.308 [ERROR] Re-run Maven using the -X switch to enable full 
debug logging.
2017-04-20T18:46:43.308 [ERROR] 
2017-04-20T18:46:43.308 [ERROR] For more information about the errors and 
possible solutions, please read the following articles:
2017-04-20T18:46:43.308 [ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
2017-04-20T18:46:43.309 [ERROR] 
2017-04-20T18:46:43.309 [ERROR] After correcting the problems, you can resume 
the build with the command
2017-04-20T18:46:43.309 [ERROR]   mvn <goals> -rf :beam-sdks-java-core
channel stopped

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