Hi,
I am getting 'java.io.IOException: Unknown block type 0' issue during Jacoco
ant build.
I tried with windows command prompt and jenkins ant build as well. Encountered
same issue intermittently.
I am using following jars and versions.
jacocoagent --> 0.8.3
jacocoant --> 0.8.3
java --> 1.8
ant --> 1.10.5
Sometimes i am not getting any issues. Most of the time i am facing this issue.
If you see my first run, i got an issue. In the second run i don't find any
issues.
Can you please let me know the reason of this issue. How to get out of it?
First Run:
C:\jacoco_new>ant -v report
Apache Ant(TM) version 1.10.5 compiled on July 10 2018
Trying the default build file: build.xml
Buildfile: C:\jacoco_new\build.xml
Detected Java version: 1.8 in: C:\Program Files\Java\jdk1.8.0_201\jre
Detected OS: Windows 10
parsing buildfile C:\jacoco_new\build.xml with URI =
file:/C:/jacoco_new/build.xml
Project base dir set to: C:\jacoco_new
parsing buildfile
jar:file:/C:/apache-ant-1.10.5/lib/ant.jar!/org/apache/tools/ant/antlib.xml
with URI =
jar:file:/C:/apache-ant-1.10.5/lib/ant.jar!/org/apache/tools/ant/antlib.xml
from a zip file
parsing buildfile
jar:file:/C:/jacoco_new/jacocoant.jar!/org/jacoco/ant/antlib.xml with URI =
jar:file:/C:/jacoco_new/jacocoant.jar!/org/jacoco/ant/antlib.xml from a zip file
Build sequence for target(s) `report' is [report]
Complete build sequence is [report, ]
report:
[antlib:org.jacoco.ant] Could not load definitions from resource
org/jacoco/ant/antlib.xml. It could not be found.
[jacoco:report] Loading execution data file C:\jacoco_new\jacoco.exec
BUILD FAILED
C:\jacoco_new\build.xml:12: Unable to read execution data file
C:\jacoco_new\jacoco.exec
at org.jacoco.ant.ReportTask.loadExecutionData(ReportTask.java:516)
at org.jacoco.ant.ReportTask.execute(ReportTask.java:490)
at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
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.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:99)
at org.apache.tools.ant.Task.perform(Task.java:350)
at org.apache.tools.ant.Target.execute(Target.java:449)
at org.apache.tools.ant.Target.performTasks(Target.java:470)
at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1388)
at org.apache.tools.ant.Project.executeTarget(Project.java:1361)
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:834)
at org.apache.tools.ant.Main.startAnt(Main.java:223)
at org.apache.tools.ant.launch.Launcher.run(Launcher.java:284)
at org.apache.tools.ant.launch.Launcher.main(Launcher.java:101)
Caused by: java.io.IOException: Unknown block type 0.
at
org.jacoco.core.data.ExecutionDataReader.readBlock(ExecutionDataReader.java:118)
at
org.jacoco.core.data.ExecutionDataReader.read(ExecutionDataReader.java:92)
at org.jacoco.core.tools.ExecFileLoader.load(ExecFileLoader.java:59)
at org.jacoco.ant.ReportTask.loadExecutionData(ReportTask.java:514)
... 18 more
Total time: 1 second
Second Run:
C:\jacoco_new>ant -v report
Apache Ant(TM) version 1.10.5 compiled on July 10 2018
Trying the default build file: build.xml
Buildfile: C:\jacoco_new\build.xml
Detected Java version: 1.8 in: C:\Program Files\Java\jdk1.8.0_201\jre
Detected OS: Windows 10
parsing buildfile C:\jacoco_new\build.xml with URI =
file:/C:/jacoco_new/build.xml
Project base dir set to: C:\jacoco_new
parsing buildfile
jar:file:/C:/apache-ant-1.10.5/lib/ant.jar!/org/apache/tools/ant/antlib.xml
with URI =
jar:file:/C:/apache-ant-1.10.5/lib/ant.jar!/org/apache/tools/ant/antlib.xml
from a zip file
parsing buildfile
jar:file:/C:/jacoco_new/jacocoant.jar!/org/jacoco/ant/antlib.xml with URI =
jar:file:/C:/jacoco_new/jacocoant.jar!/org/jacoco/ant/antlib.xml from a zip file
Build sequence for target(s) `report' is [report]
Complete build sequence is [report, ]
report:
[antlib:org.jacoco.ant] Could not load definitions from resource
org/jacoco/ant/antlib.xml. It could not be found.
[jacoco:report] Loading execution data file C:\jacoco_new\jacoco.exec
[jacoco:report] Writing bundle 'DCNM' with 1646 classes
BUILD SUCCESSFUL
Total time: 27 seconds
C:\jacoco_new>
Thanks,
Senthil
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