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  • Committer: Matt Zimmerman
  • Date: 2010-03-26 17:49:17 UTC
  • mto: (1369.34.24 trunk)
  • mto: This revision was merged to the branch mainline in revision 1713.
  • Revision ID: mdz@ubuntu.com-20100326174917-o9m4nkkhkwlh5yof
Initial implementation of Java crash handling

java/.../ApportUncaughtExceptionHandler.java - Java exception handler
bin/java_uncaught_exception - invoked to create Java problem reports
test/crash.java - program to test Java crashes

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bin/java_uncaught_exception
 
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#!/usr/bin/python
 
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import sys
 
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#from apport import unicode_gettext as _
 
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def make_title(report):
 
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        lines = report['StackTrace'].split('\n')
 
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        message = lines[0].strip()
 
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        stackframe = lines[1].strip()
 
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        return '%s in %s' % (message, stackframe)
 
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def main():
 
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        from apport.packaging_impl import impl as packaging
 
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        if not packaging.enabled():
 
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                return -1
 
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        # read from the JVM process a sequence of key, value delimited by null
 
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        # bytes
 
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        items = sys.stdin.read().split('\0')
 
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        d = dict()
 
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        while items:
 
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                key = items.pop(0)
 
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                if not items: break
 
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                value = items.pop(0)
 
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                d[key] = value
 
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        log = open('/tmp/log', 'w')
 
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        log.write(`d`)
 
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        # create report
 
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        import apport.report
 
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        import os
 
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        report = apport.report.Report(type='Crash')
 
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        # assume our parent is the JVM process
 
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        report.pid = os.getppid()
 
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        report.add_os_info()
 
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        report.add_proc_info()
 
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        # these aren't relevant because the crash was in bytecode
 
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        del report['ProcMaps']
 
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        del report['ProcStatus']
 
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        report.add_user_info()
 
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        # add in data which was fed to us from the JVM process
 
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        for key, value in d.items():
 
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                report[key] = value
 
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        if 'MainClassUrl' in report:
 
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                import urlparse
 
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                url = report['MainClassUrl']
 
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                scheme, netloc, path, params, query, fragment = urlparse.urlparse(url)
 
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                if scheme == 'file':
 
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                        if '!/' in path:
 
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                                # jar
 
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                                report['ExecutablePath'] = path.split('!/', 1)
 
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                        else:
 
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                                report['ExecutablePath'] = path
 
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        report['Title'] = make_title(report)
 
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        report.write(open(apport.fileutils.make_report_path(report), 'w'))
 
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if __name__ == '__main__':
 
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        main()