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  1. Karaf
  2. KARAF-6337

ConcurrentModificationException when executing commands

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • 4.2.5, 4.2.6
    • 4.3.0, 4.2.7
    • karaf
    • None

    Description

      Issuing commands via bin/client concurrently may give the error below.

       

       

      org.apache.karaf.shell.ssh.ShellCommand Thread-280 [org.apache.karaf.shell.ssh:4.2.5] Unable to start shell
java.util.ConcurrentModificationException: null
at java.util.Hashtable$Enumerator.next(Hashtable.java:1387) ~[?:?]
at org.apache.karaf.shell.impl.console.HeadlessSessionImpl.<init>(HeadlessSessionImpl.java:71) ~[?:?]
at org.apache.karaf.shell.impl.console.SessionFactoryImpl.create(SessionFactoryImpl.java:178) ~[?:?]
at org.apache.karaf.shell.impl.console.SessionFactoryImpl.create(SessionFactoryImpl.java:169) ~[?:?]
at org.apache.karaf.shell.ssh.ShellCommand.run(ShellCommand.java:102) ~[?:?]
at java.lang.Thread.run(Thread.java:748) [?:?]

      This is the code:

      if (parent == null) {
    Properties sysProps = System.getProperties();
    for (Object key : sysProps.keySet()) {   // line 71
        session.put(key.toString(), sysProps.get(key));
    }
}

       

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        Issue Links

          links to

          Web Link GitHub Pull Request #905

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            People

              jbonofre Jean-Baptiste Onofré
              riconeubauer Rico Neubauer
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              Dates

                Created:
                Updated:
                Resolved: