[ 
https://issues.apache.org/jira/browse/LUCENE-5786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14041836#comment-14041836
 ] 

ASF subversion and git services commented on LUCENE-5786:
---------------------------------------------------------

Commit 1605025 from [~dawidweiss] in branch 'dev/branches/branch_4x'
[ https://svn.apache.org/r1605025 ]

LUCENE-5786: Unflushed/ truncated events file (hung testing subprocess). Point 
at Sonatype's https repo directly.

> Unflushed/ truncated events file (hung testing subprocess)
> ----------------------------------------------------------
>
>                 Key: LUCENE-5786
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5786
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: general/test
>            Reporter: Dawid Weiss
>            Assignee: Dawid Weiss
>
> This has happened several times on Jenkins, typically on 
> SSLMigrationTest.testDistribSearch, but probably on other tests as well.
> The symptom is: the test framework never terminates, it also reports an 
> incorrect (?) hung test.
> The problem is that the actual forked JVM is hung on reading stdin, waiting 
> for the next test suite (no test thread is present); the master process is 
> hung on receiving data from the forked jvm (both the events file and stdout 
> spill is truncated in the middle of a test). The last output is:
> {code}
> [
>   "APPEND_STDERR",
>   {
>     "chunk": "612639 T30203 oasu.DefaultSolrCoreState.doRecovery Running 
> recovery - first canceling any ongoing recovery%0A"
>   }
> ]
> [
>   "APPEND_STDERR"
> {code}
> Overall, it looks insane -- there are flushes after each test completes 
> (normally or not), there are tests *following* the one that last reported 
> output and before dynamic suites on stdin. 
> I have no idea. The best explanation is insane -- looks like the test thread 
> just died in the middle of executing Java code...



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