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Posted to dev@mahout.apache.org by Apache Jenkins Server <je...@builds.apache.org> on 2013/07/06 00:13:24 UTC

Build failed in Jenkins: Mahout-Quality #2126

See <https://builds.apache.org/job/Mahout-Quality/2126/>

------------------------------------------
[...truncated 7201 lines...]
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
[WARNING] Failure executing PMD: Couldn't find the class Can't find resource rulesets/basic.xml.  Make sure the resource is a valid file or URL or is on the CLASSPATH.  Here's the current classpath: /home/hudson/tools/maven/apache-maven-3.0.4/boot/plexus-classworlds-2.4.jar
java.lang.RuntimeException: Couldn't find the class Can't find resource rulesets/basic.xml.  Make sure the resource is a valid file or URL or is on the CLASSPATH.  Here's the current classpath: /home/hudson/tools/maven/apache-maven-3.0.4/boot/plexus-classworlds-2.4.jar
	at net.sourceforge.pmd.RuleSetFactory.classNotFoundProblem(RuleSetFactory.java:244)
	at net.sourceforge.pmd.RuleSetFactory.parseRuleSetNode(RuleSetFactory.java:234)
	at net.sourceforge.pmd.RuleSetFactory.createRuleSet(RuleSetFactory.java:161)
	at net.sourceforge.pmd.RuleSetFactory.createRuleSets(RuleSetFactory.java:126)
	at net.sourceforge.pmd.RuleSetFactory.createRuleSets(RuleSetFactory.java:111)
	at net.sourceforge.pmd.processor.AbstractPMDProcessor.createRuleSets(AbstractPMDProcessor.java:56)
	at net.sourceforge.pmd.processor.MonoThreadProcessor.processFiles(MonoThreadProcessor.java:41)
	at net.sourceforge.pmd.PMD.processFiles(PMD.java:271)
	at org.apache.maven.plugin.pmd.PmdReport.generateReport(PmdReport.java:296)
	at org.apache.maven.plugin.pmd.PmdReport.execute(PmdReport.java:194)
	at org.apache.maven.plugin.pmd.PmdReport.executeReport(PmdReport.java:168)
	at org.apache.maven.reporting.AbstractMavenReport.generate(AbstractMavenReport.java:190)
	at org.apache.maven.reporting.AbstractMavenReport.execute(AbstractMavenReport.java:99)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
	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:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Mahout Integration 0.8-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[WARNING] The POM for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1: Plugin com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1
[WARNING] The POM for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1: Plugin com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1
[WARNING] The POM for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.eclipse.m2e:lifecycle-mapping:1.0.0: Plugin org.eclipse.m2e:lifecycle-mapping:1.0.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0
[WARNING] The POM for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1: Plugin com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1
[WARNING] The POM for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for org.eclipse.m2e:lifecycle-mapping:1.0.0: Plugin org.eclipse.m2e:lifecycle-mapping:1.0.0 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.eclipse.m2e:lifecycle-mapping:jar:1.0.0
[INFO] 
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ mahout-integration ---
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ mahout-integration ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 0 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ mahout-integration ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 131 source files to <https://builds.apache.org/job/Mahout-Quality/2126/artifact/trunk/integration/target/classes>
[WARNING] Note: Some input files use or override a deprecated API.
[WARNING] Note: Recompile with -Xlint:deprecation for details.
[WARNING] Note: <https://builds.apache.org/job/Mahout-Quality/ws/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/mongodb/MongoDBDataModel.java> uses unchecked or unsafe operations.
[WARNING] Note: Recompile with -Xlint:unchecked for details.
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ mahout-integration ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 10 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ mahout-integration ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 39 source files to <https://builds.apache.org/job/Mahout-Quality/2126/artifact/trunk/integration/target/test-classes>
[WARNING] Note: Some input files use or override a deprecated API.
[WARNING] Note: Recompile with -Xlint:deprecation for details.
[INFO] 
[INFO] --- maven-surefire-plugin:2.14.1:test (default-test) @ mahout-integration ---
[INFO] Surefire report directory: <https://builds.apache.org/job/Mahout-Quality/2126/artifact/trunk/integration/target/surefire-reports>

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 T E S T S
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parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.text.LuceneStorageConfigurationTest
Running org.apache.mahout.utils.SplitInputTest
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.text.SequenceFilesFromLuceneStorageDriverTest
Running org.apache.mahout.text.TestSequenceFilesFromDirectory
Running org.apache.mahout.text.LuceneSegmentRecordReaderTest
Running org.apache.mahout.utils.email.MailProcessorTest
Running org.apache.mahout.text.LuceneSegmentInputSplitTest
Running org.apache.mahout.text.LuceneSegmentInputFormatTest
Running org.apache.mahout.text.SequenceFilesFromMailArchivesTest
Running org.apache.mahout.text.MailArchivesClusteringAnalyzerTest
Running org.apache.mahout.text.SequenceFilesFromLuceneStorageTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.124 sec
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.323 sec
Running org.apache.mahout.text.SequenceFilesFromLuceneStorageMRJobTest
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.357 sec
Running org.apache.mahout.utils.TestConcatenateVectorsJob
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.Bump125Test
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.033 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.vectors.io.VectorWriterTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.524 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.vectors.csv.CSVVectorIteratorTest
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.282 sec
Running org.apache.mahout.utils.vectors.arff.ARFFTypeTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.613 sec
Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.665 sec <<< FAILURE!
testSequential(org.apache.mahout.text.SequenceFilesFromMailArchivesTest)  Time elapsed: 1.75 sec  <<< FAILURE!
org.junit.ComparisonFailure: expected:<TE...@example.com> but was:<TE...@example.com>
	at org.junit.Assert.assertEquals(Assert.java:115)
	at org.junit.Assert.assertEquals(Assert.java:144)
	at org.apache.mahout.text.SequenceFilesFromMailArchivesTest.testSequential(SequenceFilesFromMailArchivesTest.java:106)

Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.327 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.136 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.vectors.arff.MapBackedARFFModelTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.033 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.vectors.arff.ARFFVectorIterableTest
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.vectors.arff.DriverTest
Running org.apache.mahout.utils.vectors.VectorHelperTest
Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.192 sec
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.052 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.vectors.lucene.LuceneIterableTest
Running org.apache.mahout.utils.vectors.lucene.DriverTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.158 sec
Running org.apache.mahout.utils.vectors.lucene.CachedTermInfoTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.704 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.58 sec
Running org.apache.mahout.utils.regex.RegexUtilsTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.nlp.collocations.llr.BloomTokenFilterTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.099 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.utils.regex.RegexMapperTest
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.cf.taste.impl.similarity.jdbc.MySQLJDBCInMemoryItemSimilarityTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.151 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.608 sec
Running org.apache.mahout.clustering.cdbw.TestCDbwEvaluator
Running org.apache.mahout.clustering.dirichlet.TestL1ModelClustering
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.555 sec
parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
Running org.apache.mahout.clustering.TestClusterDumper
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.094 sec
Running org.apache.mahout.clustering.TestClusterEvaluator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.612 sec
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.085 sec
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.758 sec
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.102 sec
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.051 sec
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 9.317 sec
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.546 sec
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 8.11 sec
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 17.224 sec

Results :

Failed tests: 
  SequenceFilesFromMailArchivesTest.testSequential:106->Assert.assertEquals:144->Assert.assertEquals:115 expected:<TE...@example.com> but was:<TE...@example.com>

Tests run: 106, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Mahout ..................................... SUCCESS [2.636s]
[INFO] Mahout Build Tools ................................ SUCCESS [1.300s]
[INFO] Mahout Math ....................................... SUCCESS [1:25.582s]
[INFO] Mahout Core ....................................... SUCCESS [5:15.686s]
[INFO] Mahout Integration ................................ FAILURE [27.140s]
[INFO] Mahout Examples ................................... SKIPPED
[INFO] Mahout Release Package ............................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7:14.169s
[INFO] Finished at: Fri Jul 05 22:12:57 UTC 2013
[INFO] Final Memory: 46M/384M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.14.1:test (default-test) on project mahout-integration: There are test failures.
[ERROR] 
[ERROR] Please refer to <https://builds.apache.org/job/Mahout-Quality/2126/artifact/trunk/integration/target/surefire-reports> for the individual test results.
[ERROR] -> [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/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :mahout-integration
Build step 'Invoke top-level Maven targets' marked build as failure
[FINDBUGS] Skipping publisher since build result is FAILURE
[PMD] Skipping publisher since build result is FAILURE
[TASKS] Skipping publisher since build result is FAILURE
Archiving artifacts
Recording test results
Publishing Javadoc

Re: Jenkins build is back to normal : Mahout-Quality #2128

Posted by Stevo Slavić <ss...@gmail.com>.
Build still seems to be failing (see
https://builds.apache.org/job/mahout-nightly/1286/consoleFull ), maybe just
less frequently.
Will have to look into this, after release.

Kind regards,
Stevo Slavić.


On Sun, Jul 7, 2013 at 11:02 PM, Grant Ingersoll <gs...@apache.org>wrote:

>
> On Jul 6, 2013, at 4:38 PM, Stevo Slavić <ss...@gmail.com> wrote:
>
> > What did the trick (as of r1500216) for last two builds to be successful
> > was serializing unit tests. At least some of them it seems are not
> designed
> > to run in parallel (they very likely share some state), and they were
> > running in parallel (1.5 per CPU core of Jenkins node on which build is
> > running), causing each other to fail randomly. Now it's all sequential.
>
> So, we undid the parallel builds?  Do you have a sense of the ones that
> were causing problems?
>
> -G

Re: Jenkins build is back to normal : Mahout-Quality #2128

Posted by Grant Ingersoll <gs...@apache.org>.
On Jul 6, 2013, at 4:38 PM, Stevo Slavić <ss...@gmail.com> wrote:

> What did the trick (as of r1500216) for last two builds to be successful
> was serializing unit tests. At least some of them it seems are not designed
> to run in parallel (they very likely share some state), and they were
> running in parallel (1.5 per CPU core of Jenkins node on which build is
> running), causing each other to fail randomly. Now it's all sequential.

So, we undid the parallel builds?  Do you have a sense of the ones that were causing problems?

-G

Re: Jenkins build is back to normal : Mahout-Quality #2128

Posted by Stevo Slavić <ss...@gmail.com>.
Hello team,

Success of that particular build was pure luck. Point of the commit that
triggered the build and several previous commits was to get source code
static analysis checks to work and consistently use custom settings from
buildtools module. E.g. SE_BAD_FIELD rule/check is excluded from findbugs
checks. Before these changes findbugs maven report on Jenkins used to list
that as high prio findbugs
issue<https://builds.apache.org/job/Mahout-Quality/2118/findbugsResult/HIGH/module.-1810137467/package.-1319752439/>in
modules like mahout-core, now
it doesn't<https://builds.apache.org/job/Mahout-Quality/2131/findbugsResult/HIGH/>.
I wanted to work on eliminating those quality issues, and found lack of
consistency between Jenkins and IDE annoying enough to go and fix it before
0.8 release, even while on vacation - island of Thassos, Greece, it's nice
here btw, you should all come :-)

What did the trick (as of r1500216) for last two builds to be successful
was serializing unit tests. At least some of them it seems are not designed
to run in parallel (they very likely share some state), and they were
running in parallel (1.5 per CPU core of Jenkins node on which build is
running), causing each other to fail randomly. Now it's all sequential.
Good thing is, that all Mahout build jobs are passing now. Downside is that
build time has increased. It tripled for these two:
https://builds.apache.org/job/Mahout-Quality/buildTimeTrend
https://builds.apache.org/job/Mahout-Trunk/buildTimeTrend

and nightly build took ~7x more time to complete:
https://builds.apache.org/job/mahout-nightly/buildTimeTrend

Mahout-Examples build jobs build times it seems didn't change.

Fast feedback from unit tests IMO is very important, so we should improve
the build time, better sooner than later, through more build script
configuration, but also designing unit tests for parallel execution in mind.

Kind regards,
Stevo Slavić.

On Sat, Jul 6, 2013 at 2:37 AM, Suneel Marthi <su...@yahoo.com>wrote:

> Thanks Stevo.  This could be a dumb question given my complete lack of
> understanding of all things Maven - so what was it that was causing random
> test failures?
>
>
>
>
> ________________________________
>  From: Ted Dunning <te...@gmail.com>
> To: Mahout Dev List <de...@mahout.apache.org>
> Sent: Friday, July 5, 2013 8:22 PM
> Subject: Re: Jenkins build is back to normal : Mahout-Quality #2128
>
>
> Thank you Stevo!
>
>
> On Fri, Jul 5, 2013 at 4:45 PM, Apache Jenkins Server <
> jenkins@builds.apache.org> wrote:
>
> > See <https://builds.apache.org/job/Mahout-Quality/2128/changes>
> >
> >
>

Re: Jenkins build is back to normal : Mahout-Quality #2128

Posted by Suneel Marthi <su...@yahoo.com>.
Thanks Stevo.  This could be a dumb question given my complete lack of understanding of all things Maven - so what was it that was causing random test failures?




________________________________
 From: Ted Dunning <te...@gmail.com>
To: Mahout Dev List <de...@mahout.apache.org> 
Sent: Friday, July 5, 2013 8:22 PM
Subject: Re: Jenkins build is back to normal : Mahout-Quality #2128
 

Thank you Stevo!


On Fri, Jul 5, 2013 at 4:45 PM, Apache Jenkins Server <
jenkins@builds.apache.org> wrote:

> See <https://builds.apache.org/job/Mahout-Quality/2128/changes>
>
>

Re: Jenkins build is back to normal : Mahout-Quality #2128

Posted by Ted Dunning <te...@gmail.com>.
Thank you Stevo!


On Fri, Jul 5, 2013 at 4:45 PM, Apache Jenkins Server <
jenkins@builds.apache.org> wrote:

> See <https://builds.apache.org/job/Mahout-Quality/2128/changes>
>
>

Jenkins build is back to normal : Mahout-Quality #2128

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/Mahout-Quality/2128/changes>


Build failed in Jenkins: Mahout-Quality #2127

Posted by Apache Jenkins Server <je...@builds.apache.org>.
See <https://builds.apache.org/job/Mahout-Quality/2127/changes>

Changes:

[sslavic] DRYed out maven-surefire-plugin version information and removed duplicate maven-surefire-report-plugin declaration

[sslavic] Properly configured sharing build resources (checkstyle, findbugs, pmd custom settings) across multiple modules of the project

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9 warnings
[WARNING] Javadoc Warnings
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/math/stats/entropy/DoubleSumReducer.java:30: warning - Tag @link: reference not found: org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/math/stats/entropy/VarIntSumReducer.java:30: warning - Tag @link: reference not found: org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/classifier/sgd/AdaptiveLogisticRegression.java:104: warning - Tag @see:illegal character: "123" in "{@link #AdaptiveLogisticRegression(int, int, org.apache.mahout.classifier.sgd.PriorFunction, int, int)}"
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/classifier/sgd/AdaptiveLogisticRegression.java:104: warning - Tag @see:illegal character: "64" in "{@link #AdaptiveLogisticRegression(int, int, org.apache.mahout.classifier.sgd.PriorFunction, int, int)}"
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/classifier/sgd/AdaptiveLogisticRegression.java:104: warning - Tag @see: reference not found: {@link #AdaptiveLogisticRegression(int, int, org.apache.mahout.classifier.sgd.PriorFunction, int, int)}
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowth.java:209: warning - @params is an unknown tag.
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowth.java:209: warning - @conf is an unknown tag.
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/common/AbstractJob.java:103: warning - Missing closing '}' character for inline tag: "{@link #parseArguments(String[])"
[WARNING] /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/src/main/java/org/apache/mahout/common/AbstractJob.java:107: warning - Missing closing '}' character for inline tag: "{@link #parseArguments(String[])"
[INFO] 
[INFO] --- findbugs-maven-plugin:2.5.2:findbugs (default-cli) @ mahout-core ---
[INFO] Fork Value is true
     [java] Warnings generated: 63
[INFO] Done FindBugs Analysis....
[INFO] 
[INFO] --- maven-pmd-plugin:3.0.1:pmd (default-cli) @ mahout-core ---
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building Mahout Integration 0.8-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[WARNING] The POM for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1: Plugin com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1
[WARNING] The POM for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1: Plugin com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1
[WARNING] The POM for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1 is missing, no dependency information available
[WARNING] Failed to retrieve plugin descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1: Plugin com.atlassian.maven.plugins:maven-clover2-plugin:3.1.11.1 or one of its dependencies could not be resolved: Failed to read artifact descriptor for com.atlassian.maven.plugins:maven-clover2-plugin:jar:3.1.11.1
[INFO] 
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ mahout-integration ---
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ mahout-integration ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 0 resource
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ mahout-integration ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 131 source files to /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/integration/target/classes
[WARNING] Note: Some input files use or override a deprecated API.
[WARNING] Note: Recompile with -Xlint:deprecation for details.
[WARNING] Note: /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/integration/src/main/java/org/apache/mahout/cf/taste/impl/model/mongodb/MongoDBDataModel.java uses unchecked or unsafe operations.
[WARNING] Note: Recompile with -Xlint:unchecked for details.
[INFO] 
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ mahout-integration ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 10 resources
[INFO] 
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ mahout-integration ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 39 source files to /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/integration/target/test-classes
[WARNING] Note: Some input files use or override a deprecated API.
[WARNING] Note: Recompile with -Xlint:deprecation for details.
[INFO] 
[INFO] --- maven-surefire-plugin:2.15:test (default-test) @ mahout-integration ---
[INFO] Surefire report directory: /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/integration/target/surefire-reports
[INFO] parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false

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 T E S T S
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 T E S T S
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Running org.apache.mahout.text.LuceneSegmentInputSplitTest
Running org.apache.mahout.utils.vectors.lucene.LuceneIterableTest
Running org.apache.mahout.utils.vectors.arff.DriverTest
Running org.apache.mahout.utils.vectors.arff.MapBackedARFFModelTest
Running org.apache.mahout.clustering.TestClusterDumper
Running org.apache.mahout.utils.vectors.io.VectorWriterTest
Running org.apache.mahout.utils.Bump125Test
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.042 sec - in org.apache.mahout.utils.vectors.arff.MapBackedARFFModelTest
Running org.apache.mahout.text.MailArchivesClusteringAnalyzerTest
Running org.apache.mahout.text.SequenceFilesFromMailArchivesTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec - in org.apache.mahout.utils.Bump125Test
Running org.apache.mahout.utils.vectors.csv.CSVVectorIteratorTest
Running org.apache.mahout.text.LuceneSegmentRecordReaderTest
Running org.apache.mahout.utils.SplitInputTest
Running org.apache.mahout.utils.regex.RegexMapperTest
Running org.apache.mahout.text.LuceneSegmentInputFormatTest
Running org.apache.mahout.utils.regex.RegexUtilsTest
Running org.apache.mahout.clustering.dirichlet.TestL1ModelClustering
Running org.apache.mahout.cf.taste.impl.similarity.jdbc.MySQLJDBCInMemoryItemSimilarityTest
Running org.apache.mahout.utils.nlp.collocations.llr.BloomTokenFilterTest
Running org.apache.mahout.clustering.cdbw.TestCDbwEvaluator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.025 sec - in org.apache.mahout.utils.regex.RegexUtilsTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.111 sec - in org.apache.mahout.text.MailArchivesClusteringAnalyzerTest
Running org.apache.mahout.utils.TestConcatenateVectorsJob
Running org.apache.mahout.text.SequenceFilesFromLuceneStorageMRJobTest
Running org.apache.mahout.utils.vectors.arff.ARFFTypeTest
Running org.apache.mahout.text.TestSequenceFilesFromDirectory
Running org.apache.mahout.text.SequenceFilesFromLuceneStorageTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.041 sec - in org.apache.mahout.utils.vectors.arff.ARFFTypeTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.108 sec - in org.apache.mahout.utils.nlp.collocations.llr.BloomTokenFilterTest
Running org.apache.mahout.utils.vectors.arff.ARFFVectorIterableTest
Running org.apache.mahout.utils.vectors.lucene.DriverTest
Running org.apache.mahout.text.SequenceFilesFromLuceneStorageDriverTest
Running org.apache.mahout.clustering.TestClusterEvaluator
Running org.apache.mahout.utils.vectors.VectorHelperTest
Running org.apache.mahout.text.LuceneStorageConfigurationTest
Running org.apache.mahout.utils.email.MailProcessorTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.065 sec - in org.apache.mahout.utils.vectors.VectorHelperTest
Running org.apache.mahout.utils.vectors.lucene.CachedTermInfoTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.394 sec - in org.apache.mahout.utils.vectors.csv.CSVVectorIteratorTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.354 sec - in org.apache.mahout.cf.taste.impl.similarity.jdbc.MySQLJDBCInMemoryItemSimilarityTest
Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.257 sec - in org.apache.mahout.utils.vectors.arff.ARFFVectorIterableTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.572 sec - in org.apache.mahout.utils.vectors.arff.DriverTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.208 sec - in org.apache.mahout.utils.email.MailProcessorTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.202 sec - in org.apache.mahout.utils.vectors.lucene.LuceneIterableTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.062 sec - in org.apache.mahout.utils.regex.RegexMapperTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.833 sec - in org.apache.mahout.utils.vectors.lucene.CachedTermInfoTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.092 sec - in org.apache.mahout.utils.TestConcatenateVectorsJob
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.932 sec - in org.apache.mahout.text.LuceneStorageConfigurationTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.273 sec - in org.apache.mahout.utils.vectors.io.VectorWriterTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.75 sec - in org.apache.mahout.clustering.dirichlet.TestL1ModelClustering
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.763 sec - in org.apache.mahout.text.LuceneSegmentInputFormatTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.613 sec - in org.apache.mahout.utils.vectors.lucene.DriverTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.068 sec - in org.apache.mahout.text.LuceneSegmentInputSplitTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.073 sec - in org.apache.mahout.text.LuceneSegmentRecordReaderTest
Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.699 sec <<< FAILURE! - in org.apache.mahout.text.SequenceFilesFromMailArchivesTest
testSequential(org.apache.mahout.text.SequenceFilesFromMailArchivesTest)  Time elapsed: 1.259 sec  <<< FAILURE!
org.junit.ComparisonFailure: expected:<TE...@example.com> but was:<TE...@example.com>
	at org.junit.Assert.assertEquals(Assert.java:115)
	at org.junit.Assert.assertEquals(Assert.java:144)
	at org.apache.mahout.text.SequenceFilesFromMailArchivesTest.testSequential(SequenceFilesFromMailArchivesTest.java:106)

Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.284 sec - in org.apache.mahout.text.SequenceFilesFromLuceneStorageTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.517 sec - in org.apache.mahout.text.SequenceFilesFromLuceneStorageMRJobTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.624 sec - in org.apache.mahout.text.TestSequenceFilesFromDirectory
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.186 sec - in org.apache.mahout.text.SequenceFilesFromLuceneStorageDriverTest
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.578 sec - in org.apache.mahout.utils.SplitInputTest
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.968 sec - in org.apache.mahout.clustering.TestClusterDumper
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.955 sec - in org.apache.mahout.clustering.cdbw.TestCDbwEvaluator
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 14.791 sec - in org.apache.mahout.clustering.TestClusterEvaluator

Results :

Failed tests: 
  SequenceFilesFromMailArchivesTest.testSequential:106->Assert.assertEquals:144->Assert.assertEquals:115 expected:<TE...@example.com> but was:<TE...@example.com>

Tests run: 106, Failures: 1, Errors: 0, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Mahout Build Tools ................................ SUCCESS [4.795s]
[INFO] Apache Mahout ..................................... SUCCESS [1.513s]
[INFO] Mahout Math ....................................... SUCCESS [1:15.456s]
[INFO] Mahout Core ....................................... SUCCESS [3:12.971s]
[INFO] Mahout Integration ................................ FAILURE [17.813s]
[INFO] Mahout Examples ................................... SKIPPED
[INFO] Mahout Release Package ............................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4:54.022s
[INFO] Finished at: Fri Jul 05 23:13:07 UTC 2013
[INFO] Final Memory: 54M/390M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.15:test (default-test) on project mahout-integration: There are test failures.
[ERROR] 
[ERROR] Please refer to /x1/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/integration/target/surefire-reports for the individual test results.
[ERROR] -> [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/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :mahout-integration
Build step 'Invoke top-level Maven targets' marked build as failure
[FINDBUGS] Skipping publisher since build result is FAILURE
[PMD] Skipping publisher since build result is FAILURE
[TASKS] Skipping publisher since build result is FAILURE
Archiving artifacts
Recording test results
Publishing Javadoc