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https://issues.apache.org/jira/browse/HBASE-18541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-18541:
---------------------------
Attachment: 18541.v3.txt
Tried patch v3.
Without AttachCurrentThread() / DetachCurrentThread() (i.e. lock only), I got
crash similar to the current.
With AttachCurrentThread() / DetachCurrentThread(), I got the following:
{code}
*** SIGSEGV (@0x258) received by PID 160 (TID 0x7f8eaa021840) from PID 600;
stack trace: ***
@ 0x7f8ea97954e2 (unknown)
@ 0x7f8ea9799939 JVM_handle_linux_signal
@ 0x7f8ea978d838 (unknown)
@ 0x7f8ea7fe33d0 (unknown)
@ 0x7f8ea9550703 (unknown)
@ 0x7f8ea9552db6 (unknown)
@ 0x43f2f3 hbase::MiniCluster::GetConfValue()
@ 0x439aaa hbase::TestUtil::StartMiniCluster()
@ 0x59b7de
testing::internal::HandleExceptionsInMethodIfSupported<>()
@ 0x57cbbf testing::TestCase::Run()
{code}
> [C++] Segfaults from JNI
> ------------------------
>
> Key: HBASE-18541
> URL: https://issues.apache.org/jira/browse/HBASE-18541
> Project: HBase
> Issue Type: Sub-task
> Reporter: Enis Soztutar
> Assignee: Ted Yu
> Attachments: 18541.v1.txt, 18541.v3.txt
>
>
> retry-test and multi-retry-test fails flakily when run with
> {code}
> buck test --all --no-results-cache
> {code}
> or when run in a loop:
> {code}
> for i in `seq 1 10`; do buck test --no-results-cache core:retry-test || break
> 1; done
> {code}
> The problem seems to be within the JNI internals and usually happens at the
> create table method call. I was not able to inspect much, but the comments in
> our mini-cluster indicate that we may need to use global references instead
> of local ones. I suspect the problem happens when there is a GC run for the
> test since the failure happens usually after some time (but almost always in
> create table method).
> [~ted_yu] do you mind taking a look at this.
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