[jira] Created: (MPJCOVERAGE-5) NumberFormatException while parsing coverage.xml

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Here is an overview of the issue:
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        Key: MPJCOVERAGE-5
    Summary: NumberFormatException while parsing coverage.xml
       Type: Bug

     Status: Open
   Priority: Major

 Original Estimate: 20 minutes
 Time Spent: Unknown
  Remaining: 20 minutes

    Project: maven-jcoverage-plugin
   Versions:
             1.0.2

   Assignee: Emmanuel Venisse
   Reporter: Steffen Pingel

    Created: Mon, 12 Jan 2004 6:56 AM
    Updated: Mon, 12 Jan 2004 6:56 AM

Description:
While running "maven jcover" I got an error message during instrumentation:

jcoverage:on:

          [mkdir] Created dir: /home.local/warper/projects/poa/gcover/target/jcoverage/classes
instrumenting the class-files...
jcoverage 1.0.5 copyright (c)2003 jcoverage ltd. http://jcoverage.com/
jcoverage is licensed under the GNU General Public License
jcoverage comes with ABSOLUTELY NO WARRANTY
instrumenting 17 classes to /home.local/warper/projects/poa/gcover/target/jcoverage/classes
    [instrument] WARN instrument, no source line numbers found for: gcover.Builder$1, compile with debug="yes".
Copying 4 files to /home.local/warper/projects/poa/gcover/target/jcoverage/classes/gcover/output

The resulting entry in coverage.xml looks like this:

  <class name="gcover.Builder$1">
    <file name="gcover/Builder.java"/>
    <line rate="1.0"/>
    <branch rate="NaN"/>
    <methods>
    </methods>
    <valid lines=""/>
  </class>

When the jcoverage-maven-plugin tries to parse the "NaN" value I get an exception:

test:test:
    [junit] Running gcover.FileInfoTest
    [junit] Tests run: 4, Failures: 0, Errors: 0, Time elapsed: 0,17 sec
jcoverage 1.0.5 copyright (c)2003 jcoverage ltd. http://jcoverage.com/
jcoverage is licensed under the GNU General Public License
jcoverage comes with ABSOLUTELY NO WARRANTY
Generate report for /home.local/warper/projects/poa/gcover/target/jcoverage/coverage.xml file.
OutputDir = /home.local/warper/projects/poa/gcover/target/docs/jcoverage
java.lang.NumberFormatException: For input string: "?"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
        at java.lang.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1213)
        at java.lang.Double.valueOf(Double.java:184)
        at java.lang.Double.<init>(Double.java:259)
        at org.apache.maven.jcoveragereport.CoverageReport.generatePercentResult(CoverageReport.java:495)
        at org.apache.maven.jcoveragereport.CoverageReport.generateSourceFile(CoverageReport.java:427)
        at org.apache.maven.jcoveragereport.CoverageReport.generateSourceFiles(CoverageReport.java:393)
        at org.apache.maven.jcoveragereport.CoverageReport.generate(CoverageReport.java:96)
        at org.apache.maven.jcoveragereport.CoverageReportGenerator.execute(CoverageReportGenerator.java:106)


I guess catching the NumberFormatException (and falling back to 0 or something) should do the job.


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