hbase搭建 Hmaster自动退出解决方法（大坑）
段时间没有用Hbase，今天就尝试安装了下Hbase；环境是这样的
Hadoop-2.8.3
Hbase-2.1.0
之前查了官网，这两个版本是目前可以互相匹配的最高的版本，but启动hbase报下面这个错误
java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:635) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:619) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2669) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.hbase.util.CommonFSUtils.getRootDir(CommonFSUtils.java:358) at org.apache.hadoop.hbase.util.CommonFSUtils.isValidWALRootDir(CommonFSUtils.java:407) at org.apache.hadoop.hbase.util.CommonFSUtils.getWALRootDir(CommonFSUtils.java:383) at org.apache.hadoop.hbase.regionserver.HRegionServer.initializeFileSystem(HRegionServer.java:691) at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:600) at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:484) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2965) at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:236) at org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:140) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:149) at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2983) Caused by: java.lang.ClassNotFoundException: org.apache.htrace.SamplerBuilder at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 25 more 2018-08-01 23:30:33,794 ERROR [main] master.HMasterCommandLine: Master exiting java.lang.RuntimeException: Failed construction of Master: class org.apache.hadoop.hbase.master.HMaster. at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2972) at org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:236) 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:2983) Caused by: java.lang.NoClassDefFoundError: org/apache/htrace/SamplerBuilder at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:635) at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:619) at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2669) at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:94) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2703) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2685) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:373) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:295) at org.apache.hadoop.hbase.util.CommonFSUtils.getRootDir(CommonFSUtils.java:358) at org.apache.hadoop.hbase.util.CommonFSUtils.isValidWALRootDir(CommonFSUtils.java:407) at org.apache.hadoop.hbase.util.CommonFSUtils.getWALRootDir(CommonFSUtils.java:383) at org.apache.hadoop.hbase.regionserver.HRegionServer.initializeFileSystem(HRegionServer.java:691) at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:600) at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:484) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2965) ... 5 more Caused by: java.lang.ClassNotFoundException: org.apache.htrace.SamplerBuilder at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 25 more
好坑，查了半天没找到啥问题，无奈之下扒了下源码，不废话，直接说解决方案
cp $HBASE_HOME/lib/client-facing-thirdparty/htrace-core-3.1.0-incubating.jar $HBASE_HOME/lib/
1
个人感觉hbase-2.1.0编译的问题，建议以后还是自己编译一下hbase代码，目前还不知道这样改动会有什么问题
转载自：
作者：woloqun
来源：CSDN
原文：https://blog.csdn.net/woloqun/article/details/81350323
