[jira] [Commented] (ARROW-3343) [Java] Java tests fail non-deterministically with memory leak from Flight tests

["Wes McKinney (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-3343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16631071#comment-16631071 ] 

Wes McKinney commented on ARROW-3343:
-------------------------------------

Seems like there may be a race condition that may trigger when the Travis VM is slower than normal

> [Java] Java tests fail non-deterministically with memory leak from Flight tests 
> --------------------------------------------------------------------------------
>
>                 Key: ARROW-3343
>                 URL: https://issues.apache.org/jira/browse/ARROW-3343
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Java
>            Reporter: Wes McKinney
>            Priority: Major
>             Fix For: 0.12.0
>
>
> see eg https://travis-ci.org/apache/arrow/jobs/434044723
> {code}
> Starting server.
> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.129 s <<< FAILURE! - in org.apache.arrow.flight.example.TestExampleServer
> [ERROR] putStream(org.apache.arrow.flight.example.TestExampleServer)  Time elapsed: 0.129 s  <<< ERROR!
> java.lang.IllegalStateException: 
> Memory was leaked by query. Memory leaked: (66)
> Allocator(flight-server) 0/66/134/9223372036854775807 (res/actual/peak/limit)
> 	at org.apache.arrow.flight.example.TestExampleServer.after(TestExampleServer.java:66)
> {code}
> This seems to fail both in JDK8 and JDK9 but not consistently



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