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From divye sheth <divs.sh...@gmail.com>
Subject RegionServer Shutdown
Date Tue, 07 Jul 2015 11:15:00 GMT
Hi,

I have installed Hbase-0.98 over Hadoop 2.6.0 in a psuedo distributed mode
with zookeeper managed seperately. Everything works fine and I am even able
to access hbase cluster without any issues when started using
hbase-daemon.sh script.

The problem I am facing is that the regionserver immediately shuts down on
startup when the cluster is started using the start-hbase.sh script.

I tried searching for the root cause/remedy online but to no avail. Please
find below the error log trace.











































*2015-07-07 16:12:23,872 FATAL [regionserver60020]
regionserver.HRegionServer: ABORTING region server fal-tb-01.fractal.com
<http://fal-tb-01.fractal.com>,60020,1436265741575: Unhandled: Region
server startup failedjava.io.IOException: Region server startup
failed        at
org.apache.hadoop.hbase.regionserver.HRegionServer.convertThrowableToIOE(HRegionServer.java:2869)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1356)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:899)
at java.lang.Thread.run(Thread.java:745)Caused by:
java.lang.NoClassDefFoundError: org/htrace/Trace        at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:214)
at com.sun.proxy.$Proxy19.getFileInfo(Unknown Source)        at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)        at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
at com.sun.proxy.$Proxy20.getFileInfo(Unknown Source)        at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)        at
org.apache.hadoop.hbase.fs.HFileSystem$1.invoke(HFileSystem.java:294)
at com.sun.proxy.$Proxy21.getFileInfo(Unknown Source)        at
org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1988)        at
org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1118)
at
org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1114)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1114)
at
org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:409)
at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1400)        at
org.apache.hadoop.hbase.regionserver.HRegionServer.setupWALAndReplication(HRegionServer.java:1587)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.handleReportForDutyResponse(HRegionServer.java:1340)
... 2 moreCaused by: java.lang.ClassNotFoundException:
org.htrace.Trace        at
java.net.URLClassLoader$1.run(URLClassLoader.java:366)        at
java.net.URLClassLoader$1.run(URLClassLoader.java:355)        at
java.security.AccessController.doPrivileged(Native Method)        at
java.net.URLClassLoader.findClass(URLClassLoader.java:354)        at
java.lang.ClassLoader.loadClass(ClassLoader.java:425)        at
sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)        at
java.lang.ClassLoader.loadClass(ClassLoader.java:358)        ... 27 more*
I verified that the htrace-core.jar is available in the classpath. Any
pointers would be highly appreciated.

Thanks
Divye Sheth

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