[jira] Commented: (LANG-584) ExceptionUtils uses mutable lock target

["Henri Yandell (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LANG-584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806396#action_12806396 ] 

Henri Yandell commented on LANG-584:
------------------------------------

Looks like, apart from one comment, we removed being able to modify the cause names in 3.0. 

API is (the deprecated):

    public static Throwable getCause(Throwable throwable) {
    public static Throwable getCause(Throwable throwable, String[] methodNames) {


> ExceptionUtils uses mutable lock target
> ---------------------------------------
>
>                 Key: LANG-584
>                 URL: https://issues.apache.org/jira/browse/LANG-584
>             Project: Commons Lang
>          Issue Type: Bug
>          Components: lang.exception.*
>    Affects Versions: 2.4
>            Reporter: Sebb
>
> ExceptionUtils uses a mutable lock target: both the methods removeCauseMethodName() and addCauseMethodName() take out a lock on CAUSE_METHOD_NAMES but then modify it.
> That doesn't work - locks need to be immutable.

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