[jira] [Commented] (KARAF-6337) ConcurrentModificationException when executing commands

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KARAF-6337?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16897198#comment-16897198 ] 

ASF GitHub Bot commented on KARAF-6337:
---------------------------------------

MrEasy commented on pull request #905: [KARAF-6337] Prevent ConcurrentModificationException
URL: https://github.com/apache/karaf/pull/905
 
 
   when iterating over system properties
 
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> ConcurrentModificationException when executing commands
> -------------------------------------------------------
>
>                 Key: KARAF-6337
>                 URL: https://issues.apache.org/jira/browse/KARAF-6337
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf
>    Affects Versions: 4.2.5, 4.2.6
>            Reporter: Rico Neubauer
>            Assignee: Jean-Baptiste Onofré
>            Priority: Minor
>             Fix For: 4.3.0, 4.2.7
>
>
> Issuing commands via bin/client concurrently may give the error below.
>  
>  
> {noformat}
> 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) [?:?]{noformat}
> This is the code:
> {code:java}
> if (parent == null) {
>     Properties sysProps = System.getProperties();
>     for (Object key : sysProps.keySet()) {   // line 71
>         session.put(key.toString(), sysProps.get(key));
>     }
> }
> {code}
>  



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