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Date: Tue, 24 Nov 2009 21:05:39 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Resolved: (HBASE-1973) Second RS goes down because "Bad
 connect ack with firstBadLink as..."
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     [ https://issues.apache.org/jira/browse/HBASE-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack resolved HBASE-1973.
--------------------------

    Resolution: Fixed

Apply HDFS-630 to fix this issue.  Resolving.

> Second RS goes down because "Bad connect ack with firstBadLink as..."
> ---------------------------------------------------------------------
>
>                 Key: HBASE-1973
>                 URL: https://issues.apache.org/jira/browse/HBASE-1973
>             Project: Hadoop HBase
>          Issue Type: Bug
>            Reporter: stack
>
> Placeholder for issue where a second RS goes down when I kill another RS and its DN.  I asked over on hdfs-user why we're stuck on 140.  Why can't it move on to another DN creating a block.
> {code}
> 2009-11-12 05:09:38,624 [regionserver/208.76.44.141:60020.logRoller] INFO org.apache.hadoop.hbase.regionserver.wal.HLog: Roll /hbase/.logs/aa0-000-14.u.powerset.com,60020,1258002404935/hlog.dat.1258002405346, entries=52747, calcsize=63757973, filesize=58588977. New hlog /hbase/.logs/aa0-000-14.u.powerset.com,60020,12
> 58002404935/hlog.dat.1258002578617
> 2009-11-12 05:09:38,628 [regionserver/208.76.44.141:60020.logRoller] DEBUG org.apache.hadoop.hbase.regionserver.wal.HLog: Found 0 hlogs to remove  out of total 1; oldest outstanding seqnum is 1 from region .META.,,1
> 2009-11-12 05:09:38,628 [IPC Server handler 16 on 60020] INFO org.apache.hadoop.hbase.regionserver.wal.HLog: edit=0, write=TestTable/TestTable,,1258002466308/612228
> 2009-11-12 05:09:38,630 [regionserver/208.76.44.141:60020.logSyncer] INFO org.apache.hadoop.hbase.regionserver.wal.HLog: sync
> 2009-11-12 05:09:38,646 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
> 2009-11-12 05:09:38,646 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_1786802275426334496_1076
> 2009-11-12 05:09:44,662 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
> 2009-11-12 05:09:44,662 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_5838454320666652488_1076
> 2009-11-12 05:09:46,226 [pool-1-thread-1] DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache: Cache Stats: Sizes: Total=5.5656967MB (5836056), Free=672.77185MB (705452392), Max=678.3375MB (711288448), Counts: Blocks=0, Access=0, Hit=0, Miss=0, Evictions=0, Evicted=0, Ratios: Hit Ratio=NaN%, Miss Ratio=NaN%, Evicted
> /Run=NaN
> 2009-11-12 05:09:50,683 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
> 2009-11-12 05:09:50,684 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_8615264034947520229_1076
> 2009-11-12 05:09:56,691 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Exception in createBlockOutputStream java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
> 2009-11-12 05:09:56,692 [Thread-61] INFO org.apache.hadoop.hdfs.DFSClient: Abandoning block blk_-5632723632070749366_1077
> 2009-11-12 05:10:02,696 [Thread-61] WARN org.apache.hadoop.hdfs.DFSClient: DataStreamer Exception: java.io.IOException: Unable to create new block.
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSClient.java:3100)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2681)
> 2009-11-12 05:10:02,697 [Thread-61] WARN org.apache.hadoop.hdfs.DFSClient: Could not get block locations. Source file "/hbase/.logs/aa0-000-14.u.powerset.com,60020,1258002404935/hlog.dat.1258002578617" - Aborting...
> 2009-11-12 05:10:02,699 [regionserver/208.76.44.141:60020.logSyncer] FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog
> java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.createBlockOutputStream(DFSClient.java:3160)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSClient.java:3080)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2681)
> 2009-11-12 05:10:02,701 [regionserver/208.76.44.141:60020.logSyncer] ERROR org.apache.hadoop.hbase.regionserver.wal.HLog: Error while syncing, requesting close of hlog 
> java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.createBlockOutputStream(DFSClient.java:3160)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSClient.java:3080)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2681)
> 2009-11-12 05:10:02,703 [IPC Server handler 20 on 60020] FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog
> java.io.IOException: IOException flush:java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.hflush(DFSClient.java:3527)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.sync(DFSClient.java:3473)
>         at org.apache.hadoop.fs.FSDataOutputStream.sync(FSDataOutputStream.java:97)
>         at org.apache.hadoop.hbase.regionserver.wal.HLog.hflush(HLog.java:829)
>         at org.apache.hadoop.hbase.regionserver.wal.HLog$LogSyncer.run(HLog.java:751)
> 2009-11-12 05:10:02,703 [regionserver/208.76.44.141:60020.logSyncer] INFO org.apache.hadoop.hbase.regionserver.wal.HLog: regionserver/208.76.44.141:60020.logSyncer exiting
> 2009-11-12 05:10:02,706 [IPC Server handler 10 on 60020] FATAL org.apache.hadoop.hbase.regionserver.wal.HLog: Could not append. Requesting close of hlog
> java.io.IOException: IOException flush:java.io.IOException: Bad connect ack with firstBadLink as 208.76.44.140:51010
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.hflush(DFSClient.java:3527)
>         at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.sync(DFSClient.java:3473)
>         at org.apache.hadoop.fs.FSDataOutputStream.sync(FSDataOutputStream.java:97)
>         at org.apache.hadoop.hbase.regionserver.wal.HLog.hflush(HLog.java:829)
>         at org.apache.hadoop.hbase.regionserver.wal.HLog$LogSyncer.run(HLog.java:751)
> {code}

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