Hbase啟動遇到的坑
阿新 • • 發佈:2018-11-24
1.hbase_env.sh檔案中的JAVA_HOME要配置成jdk絕對路徑
2.如果出現:
ERROR [main] regionserver.HRegionServerCommandLine: Region server exiting java.lang.RuntimeException: Failed construction of Regionserver: class org.apache.hadoop.hbase.regionserver.HRegionServer at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:2564) at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.start(HRegionServerCommandLine.java:61) at org.apache.hadoop.hbase.regionserver.HRegionServerCommandLine.run(HRegionServerCommandLine.java:85) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126) at org.apache.hadoop.hbase.regionserver.HRegionServer.main(HRegionServer.java:2579) Caused by: java.lang.reflect.InvocationTargetException at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:488) at org.apache.hadoop.hbase.regionserver.HRegionServer.constructRegionServer(HRegionServer.java:2562) ... 5 more Caused by: java.lang.ExceptionInInitializerError at org.apache.hadoop.hbase.ipc.IPCUtil.<init>(IPCUtil.java:74) at org.apache.hadoop.hbase.ipc.RpcServer.<init>(RpcServer.java:1996) at org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:628) ... 10 more Caused by: java.lang.RuntimeException: Unexpected version format: 10.0.2 at org.apache.hadoop.hbase.util.ClassSize.<clinit>(ClassSize.java:119) ... 13 more
這是由於hbase_env.sh檔案中的jdk版本要是1.8 我之前配置了10 出錯了! 版本太高了
3.如果出現:
2018-11-24 11:24:05,999 FATAL [master:hadoop01:60000] master.HMaster: Unhandled exception. Starting shutdown. org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category READ is not supported in state standby at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:87) at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1774) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1313) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3856) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1006) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:843) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.base/javax.security.auth.Subject.doAs(Subject.java:423) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
這是由於設定了HA,需要將namenode從standby態變為active態
我的配置是以hadoop01作為HMaster 所以當hadoop01的namenode只有是active的時候才能正常啟動 HBase
至於如何切換兩個namenode:我是kill掉另一個~~~當然還有其他方法~~~~~~看官百度吧
對於出現的各種問題 要勤於善於檢視日誌檔案 查詢原因!