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http://jira.codehaus.org/browse/MCOBERTURA-62?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Derek Clarkson closed MCOBERTURA-62.
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Resolution: Won't Fix
Ok, not your issue. After some research I found that Cobertura only writes the
files after the JVM closes down. I was running the tests within the same JVM so
no data had been written to the file and therefore nothing was reported. I'm
currently re-writing the plugin to fork a jvm so that the results can be
written. There is documentation on the Cobertura site about how it writes data.
> 0% coverage being reported even though tests have run.
> ------------------------------------------------------
>
> Key: MCOBERTURA-62
> URL: http://jira.codehaus.org/browse/MCOBERTURA-62
> Project: Maven 2.x Cobertura Plugin
> Issue Type: Bug
> Affects Versions: 2.1
> Environment: Both 2.1 and 2.0 releases.
> Reporter: Derek Clarkson
>
> The plugin correctly instruments the code and puts the .ser file location
> into the system properties. I then fire a custom plugin which runs JUnit4
> tests. It uses the instrumented classes in it's class path and runs all tests
> correctly, producing output in it's report directory. The cobertura plugin
> then generates it's reports which find 0% coverage.
> Looking at the system the instrumentation, system property and reporting
> phases all make reference to the <project>/target/cobertura/cobertura.ser
> file. Looking at the file it would appear that no data in being appended to
> it when the test are being run. Apart from looking at the URLs passed to the
> classloader running the test code I cannot see any way to confirm it is
> running the instrumented code. BTW the urls are
> <project>/target/generated-classes and also
> <user-home>\.m2\repository\cobertura\cobertura\1.8\cobertura-1.8.jar
> I've tried this same project with the 2.0 (cobertura 1.7) plugin and got the
> same results.
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