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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-6500) hbck comlaining, Exception in thread "main" java.lang.NullPointerException
Date Thu, 13 Sep 2012 05:57:10 GMT

    [ https://issues.apache.org/jira/browse/HBASE-6500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454673#comment-13454673
] 

Lars Hofhansl commented on HBASE-6500:
--------------------------------------

@luili: Can you confirm that HBASE-6464 fixes this issue?
                
> hbck comlaining, Exception in thread "main" java.lang.NullPointerException 
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-6500
>                 URL: https://issues.apache.org/jira/browse/HBASE-6500
>             Project: HBase
>          Issue Type: Bug
>          Components: hbck
>    Affects Versions: 0.94.0
>         Environment: Hadoop 0.20.205.0
> Zookeeper: zookeeper-3.3.5.jar
> Hbase: hbase-0.94.0
>            Reporter: liuli
>
> I met problem with starting Hbase:
> I have 5 machines (Ubuntu)
> 109.123.121.23 rsmm-master.example.com
> 109.123.121.24 rsmm-slave-1.example.com
> 109.123.121.25 rsmm-slave-2.example.com
> 109.123.121.26 rsmm-slave-3.example.com
> 109.123.121.27 rsmm-slave-4.example.com
> Hadoop 0.20.205.0
> Zookeeper: zookeeper-3.3.5.jar
> Hbase: hbase-0.94.0
> After starting HBase, running hbck
> hduser@rsmm-master:~/hbase/bin$ ./hbase hbck
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=3.3.5-1301095,
built on 03/15/2012 19:48 GMT
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:host.name=rsmm-master.example.com
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.version=1.6.0_33
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.vendor=Sun Microsystems
Inc.
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.home=/usr/java/jre1.6.0_33
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.class.path=/home/hduser/hbase/conf:/usr/java/jre1.6.0_33/lib/tools.jar:/home/hduser/hbase:/home/hduser/hbase/hbase-0.94.0.jar:/home/hduser/hbase/hbase-0.94.0-tests.jar:/home/hduser/hbase/lib/activation-1.1.jar:/home/hduser/hbase/lib/asm-3.1.jar:/home/hduser/hbase/lib/avro-1.5.3.jar:/home/hduser/hbase/lib/avro-ipc-1.5.3.jar:/home/hduser/hbase/lib/commons-beanutils-1.7.0.jar:/home/hduser/hbase/lib/commons-beanutils-core-1.8.0.jar:/home/hduser/hbase/lib/commons-cli-1.2.jar:/home/hduser/hbase/lib/commons-codec-1.4.jar:/home/hduser/hbase/lib/commons-collections-3.2.1.jar:/home/hduser/hbase/lib/commons-configuration-1.6.jar:/home/hduser/hbase/lib/commons-digester-1.8.jar:/home/hduser/hbase/lib/commons-el-1.0.jar:/home/hduser/hbase/lib/commons-httpclient-3.1.jar:/home/hduser/hbase/lib/commons-io-2.1.jar:/home/hduser/hbase/lib/commons-lang-2.5.jar:/home/hduser/hbase/lib/commons-logging-1.1.1.jar:/home/hduser/hbase/lib/commons-math-2.1.jar:/home/hduser/hbase/lib/commons-net-1.4.1.jar:/home/hduser/hbase/lib/core-3.1.1.jar:/home/hduser/hbase/lib/guava-r09.jar:/home/hduser/hbase/lib/hadoop-core-0.20.205.0.jar:/home/hduser/hbase/lib/high-scale-lib-1.1.1.jar:/home/hduser/hbase/lib/httpclient-4.1.2.jar:/home/hduser/hbase/lib/httpcore-4.1.3.jar:/home/hduser/hbase/lib/jackson-core-asl-1.5.5.jar:/home/hduser/hbase/lib/jackson-jaxrs-1.5.5.jar:/home/hduser/hbase/lib/jackson-mapper-asl-1.5.5.jar:/home/hduser/hbase/lib/jackson-xc-1.5.5.jar:/home/hduser/hbase/lib/jamon-runtime-2.3.1.jar:/home/hduser/hbase/lib/jasper-compiler-5.5.23.jar:/home/hduser/hbase/lib/jasper-runtime-5.5.23.jar:/home/hduser/hbase/lib/jaxb-api-2.1.jar:/home/hduser/hbase/lib/jaxb-impl-2.1.12.jar:/home/hduser/hbase/lib/jersey-core-1.4.jar:/home/hduser/hbase/lib/jersey-json-1.4.jar:/home/hduser/hbase/lib/jersey-server-1.4.jar:/home/hduser/hbase/lib/jettison-1.1.jar:/home/hduser/hbase/lib/jetty-6.1.26.jar:/home/hduser/hbase/lib/jetty-util-6.1.26.jar:/home/hduser/hbase/lib/jruby-complete-1.6.5.jar:/home/hduser/hbase/lib/jsp-2.1-6.1.14.jar:/home/hduser/hbase/lib/jsp-api-2.1-6.1.14.jar:/home/hduser/hbase/lib/libthrift-0.8.0.jar:/home/hduser/hbase/lib/log4j-1.2.16.jar:/home/hduser/hbase/lib/netty-3.2.4.Final.jar:/home/hduser/hbase/lib/protobuf-java-2.4.0a.jar:/home/hduser/hbase/lib/servlet-api-2.5-6.1.14.jar:/home/hduser/hbase/lib/slf4j-api-1.5.8.jar:/home/hduser/hbase/lib/slf4j-log4j12-1.5.8.jar:/home/hduser/hbase/lib/snappy-java-1.0.3.2.jar:/home/hduser/hbase/lib/stax-api-1.0.1.jar:/home/hduser/hbase/lib/velocity-1.7.jar:/home/hduser/hbase/lib/xmlenc-0.52.jar:/home/hduser/hbase/lib/zookeeper-3.3.5.jar:/home/hduser/hadoop-0.20.205.0/conf:/home/hduser/hadoop-0.20.205.0/libexec/../conf:/usr/java/jre1.6.0_33/lib/tools.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/hadoop-core-0.20.205.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/asm-3.2.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/aspectjrt-1.6.5.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/aspectjtools-1.6.5.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-beanutils-1.7.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-beanutils-core-1.8.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-cli-1.2.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-codec-1.4.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-collections-3.2.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-configuration-1.6.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-daemon-1.0.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-digester-1.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-el-1.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-httpclient-3.0.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-lang-2.4.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-logging-1.1.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-logging-api-1.0.4.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-math-2.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/commons-net-1.4.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/core-3.1.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/hadoop-capacity-scheduler-0.20.205.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/hadoop-fairscheduler-0.20.205.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/hadoop-thriftfs-0.20.205.0.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/hsqldb-1.8.0.10.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jackson-core-asl-1.0.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jackson-mapper-asl-1.0.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jasper-compiler-5.5.12.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jasper-runtime-5.5.12.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jdeb-0.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jersey-core-1.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jersey-json-1.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jersey-server-1.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jets3t-0.6.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jetty-6.1.26.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jetty-util-6.1.26.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jsch-0.1.42.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/junit-4.5.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/kfs-0.2.2.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/log4j-1.2.15.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/mockito-all-1.8.5.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/oro-2.0.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/servlet-api-2.5-20081211.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/slf4j-api-1.5.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/slf4j-log4j12-1.4.3.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/slf4j-log4j12-1.5.8.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/xmlenc-0.52.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jsp-2.1/jsp-2.1.jar:/home/hduser/hadoop-0.20.205.0/libexec/../share/hadoop/lib/jsp-2.1/jsp-api-2.1.jar:/home/hduser/hbase/hbase-0.94.0.jar:/home/hduser/zookeeper/zookeeper-3.3.5.jar
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.library.path=/home/hduser/hadoop-0.20.205.0/libexec/../lib:/home/hduser/hbase/lib/native/Linux-i386-32
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA>
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:os.arch=i386
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:os.version=3.0.0-24-generic
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:user.name=hduser
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:user.home=/home/hduser
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Client environment:user.dir=/home/hduser/hbase/bin
> 28/12/12 17:13:29 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=rsmm-slave-3.example.com:2181,rsmm-slave-2.example.com:2181,rsmm-slave-1.example.com:2181,rsmm-master.example.com:2181,rsmm-slave-4.example.com:2181
sessionTimeout=180000 watcher=hconnection
> 28/12/12 17:13:29 INFO zookeeper.ClientCnxn: Opening socket connection to server rsmm-slave-2.example.com/109.123.121.25:2181
> 28/12/12 17:13:29 INFO zookeeper.RecoverableZooKeeper: The identifier of this process
is 23048@rsmm-master.example.com
> 28/12/12 17:13:29 INFO zookeeper.ClientCnxn: Socket connection established to rsmm-slave-2.example.com/109.123.121.25:2181,
initiating session
> 28/12/12 17:13:29 INFO zookeeper.ClientCnxn: Session establishment complete on server
rsmm-slave-2.example.com/109.123.121.25:2181, sessionid = 0xffb11d368cd10007, negotiated timeout
= 20000
> 28/12/12 17:13:30 DEBUG client.HConnectionManager$HConnectionImplementation: Looked up
root region location, connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@a98932;
serverName=rsmm-slave-2.example.com,60020,1860218423204
> 28/12/12 17:13:30 DEBUG client.HConnectionManager$HConnectionImplementation: Cached location
for .META.,,1.1028785192 is rsmm-slave-2.example.com:60020
> Version: 0.94.0
> 28/12/12 17:13:30 INFO util.HBaseFsck: Loading regionsinfo from the .META. table
> 28/12/12 17:13:30 DEBUG client.HConnectionManager$HConnectionImplementation: Looked up
root region location, connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@a98932;
serverName=rsmm-slave-2.example.com,60020,1860218423204
> 28/12/12 17:13:30 DEBUG client.MetaScanner: Scanning -ROOT- starting at row= for max=2147483647
rows using org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@a98932
> 28/12/12 17:13:30 DEBUG client.HConnectionManager$HConnectionImplementation: Looked up
root region location, connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@a98932;
serverName=rsmm-slave-2.example.com,60020,1860218423204
> 28/12/12 17:13:30 DEBUG client.MetaScanner: Scanning .META. starting at row= for max=2147483647
rows using org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@a98932
> 28/12/12 17:13:30 INFO util.HBaseFsck: getHTableDescriptors == tableNames => []
> Exception in thread "main" java.lang.NullPointerException
>         at org.apache.hadoop.hbase.util.HBaseFsck.reportTablesInFlux(HBaseFsck.java:560)
>         at org.apache.hadoop.hbase.util.HBaseFsck.onlineConsistencyRepair(HBaseFsck.java:346)
>         at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:382)
>         at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:3120)
> I knew there is some patch to 0.94 to solve this problem[https://issues.apache.org/jira/browse/HBASE-5928],
but after I apply the patch, I still got the same problem

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