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From "Zhihong Yu (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5060) HBase client is blocked forever
Date Mon, 19 Dec 2011 07:56:31 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhihong Yu updated HBASE-5060:
------------------------------

    Fix Version/s:     (was: 0.92.1)
                   0.92.0

Since this is critical, we should include this in 0.92.0
                
> HBase client is blocked forever
> -------------------------------
>
>                 Key: HBASE-5060
>                 URL: https://issues.apache.org/jira/browse/HBASE-5060
>             Project: HBase
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.90.4
>            Reporter: gaojinchao
>            Assignee: gaojinchao
>            Priority: Critical
>             Fix For: 0.92.0, 0.90.6
>
>         Attachments: HBASE-5060_Branch90trial.patch, HBASE-5060_trunk.patch
>
>
> Since the client had a temporary network failure, After it recovered.
> I found my client thread was blocked. 
> Looks below stack and logs, It said that we use a invalid CatalogTracker in function
"tableExists".
> Block stack:
> "WriteHbaseThread33" prio=10 tid=0x00007f76bc27a800 nid=0x2540 in Object.wait() [0x00007f76af4f3000]
>    java.lang.Thread.State: TIMED_WAITING (on object monitor)
>          at java.lang.Object.wait(Native Method)
>          at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMeta(CatalogTracker.java:331)
>          - locked <0x00007f7a67817c98> (a java.util.concurrent.atomic.AtomicBoolean)
>          at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMetaServerConnectionDefault(CatalogTracker.java:366)
>          at org.apache.hadoop.hbase.catalog.MetaReader.tableExists(MetaReader.java:427)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:164)
>          at com.huawei.hdi.hbase.HbaseFileOperate.checkHtableState(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseReOper.reCreateHtable(Unknown Source)
>          - locked <0x00007f7a4c5dc578> (a com.huawei.hdi.hbase.HbaseReOper)
>          at com.huawei.hdi.hbase.HbaseFileOperate.writeToHbase(Unknown Source)
>          at com.huawei.hdi.hbase.WriteHbaseThread.run(Unknown Source)
> In ZooKeeperNodeTracker, We don't throw the KeeperException to high level.
> So in CatalogTracker level, We think ZooKeeperNodeTracker start success and
> continue to process .
> [WriteHbaseThread33]2011-12-16 17:07:33,153[WARN ]  | hconnection-0x334129cf6890051-0x334129cf6890051-0x334129cf6890051
Unable to get data of znode /hbase/root-region-server | org.apache.hadoop.hbase.zookeeper.ZKUtil.getDataAndWatch(ZKUtil.java:557)
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
for /hbase/root-region-server
>          at org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
>          at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
>          at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:931)
>          at org.apache.hadoop.hbase.zookeeper.ZKUtil.getDataAndWatch(ZKUtil.java:549)
>          at org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:73)
>          at org.apache.hadoop.hbase.catalog.CatalogTracker.start(CatalogTracker.java:136)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.getCatalogTracker(HBaseAdmin.java:111)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:162)
>          at com.huawei.hdi.hbase.HbaseFileOperate.checkHtableState(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseReOper.reCreateHtable(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseFileOperate.writeToHbase(Unknown Source)
>          at com.huawei.hdi.hbase.WriteHbaseThread.run(Unknown Source)
> [WriteHbaseThread33]2011-12-16 17:07:33,361[ERROR]  | hconnection-0x334129cf6890051-0x334129cf6890051-0x334129cf6890051
Received unexpected KeeperException, re-throwing exception | org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.keeperException(ZooKeeperWatcher.java:385)
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
for /hbase/root-region-server
>          at org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
>          at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
>          at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:931)
>          at org.apache.hadoop.hbase.zookeeper.ZKUtil.getDataAndWatch(ZKUtil.java:549)
>          at org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:73)
>          at org.apache.hadoop.hbase.catalog.CatalogTracker.start(CatalogTracker.java:136)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.getCatalogTracker(HBaseAdmin.java:111)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:162)
>          at com.huawei.hdi.hbase.HbaseFileOperate.checkHtableState(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseReOper.reCreateHtable(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseFileOperate.writeToHbase(Unknown Source)
>          at com.huawei.hdi.hbase.WriteHbaseThread.run(Unknown Source)
> [WriteHbaseThread33]2011-12-16 17:07:33,361[FATAL]  | Unexpected exception during initialization,
aborting | org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.abort(HConnectionManager.java:1351)
> org.apache.zookeeper.KeeperException$ConnectionLossException: KeeperErrorCode = ConnectionLoss
for /hbase/root-region-server
>          at org.apache.zookeeper.KeeperException.create(KeeperException.java:90)
>          at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
>          at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:931)
>          at org.apache.hadoop.hbase.zookeeper.ZKUtil.getDataAndWatch(ZKUtil.java:549)
>          at org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.start(ZooKeeperNodeTracker.java:73)
>          at org.apache.hadoop.hbase.catalog.CatalogTracker.start(CatalogTracker.java:136)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.getCatalogTracker(HBaseAdmin.java:111)
>          at org.apache.hadoop.hbase.client.HBaseAdmin.tableExists(HBaseAdmin.java:162)
>          at com.huawei.hdi.hbase.HbaseFileOperate.checkHtableState(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseReOper.reCreateHtable(Unknown Source)
>          at com.huawei.hdi.hbase.HbaseFileOperate.writeToHbase(Unknown Source)
>          at com.huawei.hdi.hbase.WriteHbaseThread.run(Unknown Source)

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