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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14317) Stuck FSHLog: bad disk (HDFS-8960) and can't roll WAL
Date Wed, 02 Sep 2015 11:29:45 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14727193#comment-14727193
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Sean Busbey commented on HBASE-14317:
-------------------------------------

{quote}
Failed because of this:

Error invoking method 'get(java.lang.Integer)' in java.util.ArrayList at META-INF/LICENSE.vm[line
1619, column 22]: InvocationTargetException: Index: 0, Size: 0 -> [Help 1]
Reply
{quote}

That's HBASE-14337. If I could get a review on v2 there we can figure out which dependency
is getting corrupted.

> Stuck FSHLog: bad disk (HDFS-8960) and can't roll WAL
> -----------------------------------------------------
>
>                 Key: HBASE-14317
>                 URL: https://issues.apache.org/jira/browse/HBASE-14317
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 1.2.0, 1.1.1
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 2.0.0, 1.2.0, 1.0.3, 1.1.3
>
>         Attachments: 14317.test.txt, 14317v10.txt, 14317v5.branch-1.2.txt, 14317v5.txt,
14317v9.txt, HBASE-14317-v1.patch, HBASE-14317-v2.patch, HBASE-14317-v3.patch, HBASE-14317-v4.patch,
HBASE-14317.patch, [Java] RS stuck on WAL sync to a dead DN - Pastebin.com.html, append-only-test.patch,
raw.php, repro.txt, san_dump.txt, subset.of.rs.log
>
>
> hbase-1.1.1 and hadoop-2.7.1
> We try to roll logs because can't append (See HDFS-8960) but we get stuck. See attached
thread dump and associated log. What is interesting is that syncers are waiting to take syncs
to run and at same time we want to flush so we are waiting on a safe point but there seems
to be nothing in our ring buffer; did we go to roll log and not add safe point sync to clear
out ringbuffer?
> Needs a bit of study. Try to reproduce.



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