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  1. Jenkins
  2. JENKINS-6653

java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class javax.jmdns.JmDNS

    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major Major
    • core
    • None
    • Solaris, Sun JVM 1.5.0_15

      Release 1.359 fails to start, giving:

      java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class javax.jmdns.JmDNS)
      at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1854)
      at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:890)
      at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1354)
      at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
      at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
      at hudson.DNSMultiCast.(DNSMultiCast.java:24)
      at hudson.model.Hudson.(Hudson.java:628)
      at hudson.model.Hudson.(Hudson.java:545)
      at hudson.WebAppMain$2.run(WebAppMain.java:222)

      To me that suggests that the jmdns lib was compiled with a JDK > 1.5. This causes Hudson to fail to load on a JVM =< 1.5.

          [JENKINS-6653] java.lang.UnsupportedClassVersionError: Bad version number in .class file (unable to load class javax.jmdns.JmDNS

          Glenn J. Mason created issue -
          SCM/JIRA link daemon made changes -
          Resolution New: Fixed [ 1 ]
          Status Original: Open [ 1 ] New: Resolved [ 5 ]
          Kohsuke Kawaguchi made changes -
          Link New: This issue is duplicated by JENKINS-6612 [ JENKINS-6612 ]
          Andrew Bayer made changes -
          Status Original: Resolved [ 5 ] New: Closed [ 6 ]
          Marco Rothe made changes -
          Link New: This issue is related to JENKINS-8914 [ JENKINS-8914 ]
          R. Tyler Croy made changes -
          Workflow Original: JNJira [ 136748 ] New: JNJira + In-Review [ 204200 ]

            Unassigned Unassigned
            glennji Glenn J. Mason
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              Created:
              Updated:
              Resolved: