[jira] [Commented] (ACCUMULO-2429) Shell does not clean up JLine ConsoleReader, leaks threads

["Josh Elser (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ACCUMULO-2429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13921030#comment-13921030 ] 

Josh Elser commented on ACCUMULO-2429:
--------------------------------------

Does the same issue affect ShellServerTest in 1.5 (and 1.4 maybe)?

> Shell does not clean up JLine ConsoleReader, leaks threads
> ----------------------------------------------------------
>
>                 Key: ACCUMULO-2429
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2429
>             Project: Accumulo
>          Issue Type: Bug
>          Components: shell
>            Reporter: Bill Havanki
>            Assignee: Bill Havanki
>              Labels: memory-leak, shell, threads
>             Fix For: 1.6.0, 1.7.0
>
>
> The shell uses the JLine {{ConsoleReader}} class. That class spawns a thread on construction (tsk-tsk) for its internal non-blocking input stream representation. If the {{ConsoleReader}} is not shut down properly, the thread keeps running. This is particularly a problem when running {{ShellServerIT}} under 1.6 and later; the JVM can run out of memory to allocate threads and fail the test.



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