Uwe Schindler created LUCENE-5243:
-------------------------------------
Summary: Update Clover
Key: LUCENE-5243
URL: https://issues.apache.org/jira/browse/LUCENE-5243
Project: Lucene - Core
Issue Type: Bug
Components: general/build
Affects Versions: 5.0
Environment: Jenkins build
Reporter: Uwe Schindler
Assignee: Uwe Schindler
Fix For: 5.0
Currently we sometimes get the following build error on the Clover builds (only
Java 7, so happens only in Lucene/Solr trunk):
{noformat}
BUILD FAILED
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-Clover-trunk/build.xml:452:
The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-Clover-trunk/build.xml:364:
The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-Clover-trunk/build.xml:382:
The following error occurred while executing this line:
/usr/home/hudson/hudson-slave/workspace/Lucene-Solr-Clover-trunk/extra-targets.xml:41:
com.atlassian.clover.api.CloverException: java.lang.IllegalArgumentException:
Comparison method violates its general contract!
at
com.cenqua.clover.reporters.html.HtmlReporter.executeImpl(HtmlReporter.java:165)
at
com.cenqua.clover.reporters.CloverReporter.execute(CloverReporter.java:41)
at
com.cenqua.clover.tasks.CloverReportTask.generateReports(CloverReportTask.java:427)
at
com.cenqua.clover.tasks.CloverReportTask.cloverExecute(CloverReportTask.java:384)
at
com.cenqua.clover.tasks.AbstractCloverTask.execute(AbstractCloverTask.java:55)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at
org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442)
at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:302)
at org.apache.tools.ant.taskdefs.SubAnt.execute(SubAnt.java:221)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at
org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442)
at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at
org.apache.tools.ant.helper.SingleCheckExecutor.executeTargets(SingleCheckExecutor.java:38)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:442)
at org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
at org.apache.tools.ant.Task.perform(Task.java:348)
at org.apache.tools.ant.Target.execute(Target.java:390)
at org.apache.tools.ant.Target.performTasks(Target.java:411)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
at org.apache.tools.ant.Main.runBuild(Main.java:809)
at org.apache.tools.ant.Main.startAnt(Main.java:217)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
Caused by: java.lang.IllegalArgumentException: Comparison method violates its
general contract!
at java.util.TimSort.mergeLo(TimSort.java:747)
at java.util.TimSort.mergeAt(TimSort.java:483)
at java.util.TimSort.mergeForceCollapse(TimSort.java:426)
at java.util.TimSort.sort(TimSort.java:223)
at java.util.TimSort.sort(TimSort.java:173)
at java.util.Arrays.sort(Arrays.java:659)
at java.util.Collections.sort(Collections.java:217)
at
com.cenqua.clover.reporters.html.RenderTestResultAction.call(RenderTestResultAction.java:93)
at
com.cenqua.clover.util.CloverExecutors$CloverExecutorService.submit(CloverExecutors.java:70)
at
com.cenqua.clover.reporters.html.HtmlReporter.renderTestPages(HtmlReporter.java:719)
at
com.cenqua.clover.reporters.html.HtmlReporter.processPackage(HtmlReporter.java:665)
at
com.cenqua.clover.reporters.html.HtmlReporter.executeCurrentReport(HtmlReporter.java:228)
at
com.cenqua.clover.reporters.html.HtmlReporter.executeImpl(HtmlReporter.java:157)
... 61 more
{noformat}
The reason for this bug is some inconsistency in the Comparator used internally
when building Clover reports. This is e.g., an asymetry in +1/-1 when
exchanging compare() parameters.
There is already an issue open at Atlassian:
https://jira.atlassian.com/browse/CLOV-1368
Marek Parfianowicz asked me to try this out, but I have to add snapshot builds
to our IVY config. Currently I also have an issue open at Atlassian to update
our License, so we can use newer versions @ ASF.
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