Hi,
unfortunatelly we introduced a incompatibility in exec file format
between JaCoCo 0.7.2 and 0.7.3, see
https://github.com/jacoco/jacoco/issues/286
This problem currently happens when you merge exec data created from a
0.7.2 and 0.7.3 agent.
Possible workarounds:
1) Use a single version of the JaCoCo agent only
2) Wait a couple of days until we publish a fixed version 0.7.4 which
will be compatible with 0.7.2 again.
Sorry for the inconvenience,
-marc
On 2015-02-24 08:28, Jörg Büsse wrote:
Hi,
I have JUnit Tests running with the jacoco java agent on two different
machines. Let's say 50% of the tests on machine a and 50% of the tests
on machine b (actually I use Test Load Balancer(TLB) to split the test
sets). I tried to merge the results (jacoco.exec files) with the ant
merge target but it fails every time with this exception:
java.lang.IllegalStateException: Incompatible execution data for class
.....
at
org.jacoco.core.data.ExecutionData.assertCompatibility(ExecutionData.java:146)
at org.jacoco.core.data.ExecutionData.merge(ExecutionData.java:109)
at
org.jacoco.core.data.ExecutionDataStore.put(ExecutionDataStore.java:48)
at
org.jacoco.core.data.ExecutionDataStore.visitClassExecution(ExecutionDataStore.java:122)
at
org.jacoco.core.data.ExecutionDataReader.readExecutionData(ExecutionDataReader.java:147)
at
org.jacoco.core.data.ExecutionDataReader.readBlock(ExecutionDataReader.java:111)
at
org.jacoco.core.data.ExecutionDataReader.read(ExecutionDataReader.java:85)
at org.jacoco.ant.MergeTask.loadSourceFiles(MergeTask.java:114)
at org.jacoco.ant.MergeTask.execute(MergeTask.java:74)
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:1397)
at org.apache.tools.ant.Project.executeTarget(Project.java:1366)
at
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
at org.apache.tools.ant.Project.executeTargets(Project.java:1249)
at org.apache.tools.ant.Main.runBuild(Main.java:801)
at org.apache.tools.ant.Main.startAnt(Main.java:218)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:280)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:109)
I'm using the latest jacoco-0.7.3.201502191951.zip
I've read https://github.com/jacoco/jacoco/issues/95 and something of
'fork="true" forkmode="once"' what makes me believe that merging
results from different JVM instances is not intended to work. Am I
right or what am I doing wrong?
Regards
Jörg
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