[jira] [Commented] (LUCENE-5650) createTempDir and associated functions no longer create java.io.tmpdir

["Robert Muir (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-5650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13991164#comment-13991164 ] 

Robert Muir commented on LUCENE-5650:
-------------------------------------

Really this should be fixed here too (IMO).

I tried to do this, but its currently hung on issues in a couple solr contribs: LUCENE-5154



> createTempDir and associated functions no longer create java.io.tmpdir
> ----------------------------------------------------------------------
>
>                 Key: LUCENE-5650
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5650
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Ryan Ernst
>            Assignee: Dawid Weiss
>
> The recent refactoring to all the create temp file/dir functions (which is great!) has a minor regression from what existed before.  With the old {{LuceneTestCase.TEMP_DIR}}, the directory was created if it did not exist.  So, if you set {{java.io.tmpdir}} to {{"./temp"}}, then it would create that dir within the per jvm working dir.  However, {{getBaseTempDirForClass()}} now does asserts that check the dir exists, is a dir, and is writeable.
> Lucene uses {{"."}} as {{java.io.tmpdir}}.  Then in the test security manager, the per jvm cwd has read/write/execute permissions.  However, this allows tests to write to their cwd, which I'm trying to protect against (by setting cwd to read/execute in my test security manager).



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