java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder
启动看日志报错
java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:644)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:628)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:93)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2701)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2683)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:372)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295)
at org.apache.hadoop.hbase.util.CommonFSUtils.getRootDir(CommonFSUtils.java:362)
at org.apache.hadoop.hbase.util.CommonFSUtils.isValidWALRootDir(CommonFSUtils.java:411)
at org.apache.hadoop.hbase.util.CommonFSUtils.getWALRootDir(CommonFSUtils.java:387)
at org.apache.hadoop.hbase.regionserver.HRegionServer.initializeFileSystem(HRegionServer.java:697)
at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:606)
at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:489)
at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.<init>(HMasterCommandLine.java:308)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:132)
at org.apache.hadoop.hbase.LocalHBaseCluster.addMaster(LocalHBaseCluster.java:227)
at org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:174)
at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:229)
at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:140)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:149)
at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:3103)
Caused by: java.lang.ClassNotFoundException: org.apache.htrace.SamplerBuilder
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 28 more
2019-01-16 15:06:08,129 ERROR [main] master.HMasterCommandLine: Master exiting
java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMasterorg.apache.htrace.SamplerBuilder
at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:137)
at org.apache.hadoop.hbase.LocalHBaseCluster.addMaster(LocalHBaseCluster.java:227)
at org.apache.hadoop.hbase.LocalHBaseCluster.<init>(LocalHBaseCluster.java:174)
at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:229)
at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:140)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:149)
at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:3103)
Caused by: java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:644)
at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:628)
at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2667)
at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:93)
at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2701)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2683)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:372)
at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295)
at org.apache.hadoop.hbase.util.CommonFSUtils.getRootDir(CommonFSUtils.java:362)
at org.apache.hadoop.hbase.util.CommonFSUtils.isValidWALRootDir(CommonFSUtils.java:411)
at org.apache.hadoop.hbase.util.CommonFSUtils.getWALRootDir(CommonFSUtils.java:387)
at org.apache.hadoop.hbase.regionserver.HRegionServer.initializeFileSystem(HRegionServer.java:697)
at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:606)
at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:489)
at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.<init>(HMasterCommandLine.java:308)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.hbase.util.JVMClusterUtil.createMasterThread(JVMClusterUtil.java:132)
... 7 more
Caused by: java.lang.ClassNotFoundException: org.apache.htrace.SamplerBuilder
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 28 more
解决方法
1.
[root@shizhi002 hbase-2.1.2]# cp ./lib/client-facing-thirdparty/htrace-core-3.1.0-incubating.jar ./lib/
2.vi conf/hbase-site.xml
<property>
<name>hbase.wal.provider</name>
<value>filesystem</value>
</property>
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