Hi Anand, That depends on issue. You have to understand namenode logs.
Sent from really tiny device :) On Friday, May 15, 2015, Anand Murali <anand_vi...@yahoo.com> wrote: > Hi: > > Many thanks for replying. Can you please tell me how to fix namenode safe > mode issue. I am new to Hadoop. > > Thanks > > Regards > > Anand > > Sent from my iPhone > > On 15-May-2015, at 7:14 pm, Xuefu Zhang <xzh...@cloudera.com > <javascript:_e(%7B%7D,'cvml','xzh...@cloudera.com');>> wrote: > > Your namenode is in safe mode, as the exception shows. You need to > verify/fix that before trying Hive. > > Secondly, "!=" may not work as expected. Try "<>" or other simpler query > first. > > --Xuefu > > On Fri, May 15, 2015 at 6:17 AM, Anand Murali <anand_vi...@yahoo.com > <javascript:_e(%7B%7D,'cvml','anand_vi...@yahoo.com');>> wrote: > >> Hi All: >> >> I have installed Hadoop-2.6, Hive 1.1 and try to start hive and get the >> following, first time when I start the cluster >> >> $hive >> >> Logging initialized using configuration in >> jar:file:/home/anand_vihar/hive-1.1.0/lib/hive-common-1.1.0.jar!/hive-log4j.properties >> SLF4J: Class path contains multiple SLF4J bindings. >> SLF4J: Found binding in >> [jar:file:/home/anand_vihar/hive-1.1.0/lib/hive-jdbc-1.1.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> SLF4J: Found binding in >> [jar:file:/home/anand_vihar/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an >> explanation. >> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] >> Exception in thread "main" java.lang.RuntimeException: >> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException): >> Cannot create directory >> /tmp/hive/anand_vihar/a9d68b70-01b4-4d4d-9d06-1f86efc3b2bc. Name node is in >> safe mode. >> The reported blocks 2 has reached the threshold 0.9990 of total blocks 2. >> The number of live datanodes 1 has reached the minimum number 0. In safe >> mode extension. Safe mode will be turned off automatically in 13 seconds. >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1364) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNamesystem.java:4216) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4191) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:813) >> at >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:600) >> at >> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) >> at >> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619) >> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:415) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033) >> >> at >> org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:472) >> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671) >> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615) >> 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.util.RunJar.run(RunJar.java:221) >> at org.apache.hadoop.util.RunJar.main(RunJar.java:136) >> Caused by: >> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException): >> Cannot create directory >> /tmp/hive/anand_vihar/a9d68b70-01b4-4d4d-9d06-1f86efc3b2bc. Name node is in >> safe mode. >> The reported blocks 2 has reached the threshold 0.9990 of total blocks 2. >> The number of live datanodes 1 has reached the minimum number 0. In safe >> mode extension. Safe mode will be turned off automatically in 13 seconds. >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1364) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInt(FSNamesystem.java:4216) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:4191) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:813) >> at >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:600) >> at >> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) >> at >> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619) >> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:962) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2039) >> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2035) >> at java.security.AccessController.doPrivileged(Native Method) >> at javax.security.auth.Subject.doAs(Subject.java:415) >> at >> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628) >> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2033) >> >> at org.apache.hadoop.ipc.Client.call(Client.java:1468) >> at org.apache.hadoop.ipc.Client.call(Client.java:1399) >> at >> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232) >> at com.sun.proxy.$Proxy13.mkdirs(Unknown Source) >> at >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:539) >> 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.$Proxy14.mkdirs(Unknown Source) >> at >> org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:2753) >> at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2724) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:870) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:866) >> at >> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:866) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:859) >> at >> org.apache.hadoop.hive.ql.session.SessionState.createPath(SessionState.java:584) >> at >> org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:526) >> at >> org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:458) >> ... 8 more >> >> *Now, again if I try to start HIVE it works* >> >> >> >> >> >> >> >> >> >> *anand_vihar@Latitude-E5540:~$ hiveLogging initialized using >> configuration in >> jar:file:/home/anand_vihar/hive-1.1.0/lib/hive-common-1.1.0.jar!/hive-log4j.propertiesSLF4J: >> Class path contains multiple SLF4J bindings.SLF4J: Found binding in >> [jar:file:/home/anand_vihar/hive-1.1.0/lib/hive-jdbc-1.1.0-standalone.jar!/org/slf4j/impl/StaticLoggerBinder.class]SLF4J: >> Found binding in >> [jar:file:/home/anand_vihar/hadoop-2.6.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar!/org/slf4j/impl/StaticLoggerBinder.class]SLF4J: >> See http://www.slf4j.org/codes.html#multiple_bindings >> <http://www.slf4j.org/codes.html#multiple_bindings> for an >> explanation.SLF4J: Actual binding is of type >> [org.slf4j.impl.Log4jLoggerFactory]* >> >> However, when I start to run SQL commands jline fails as below. >> >> select year, MAX(temperature) from records where temperature != 9999 >> group by year; >> [ERROR] Could not expand event >> java.lang.IllegalArgumentException: != 9999 group by year;: event not >> found >> at jline.console.ConsoleReader.expandEvents(ConsoleReader.java:779) >> at jline.console.ConsoleReader.finishBuffer(ConsoleReader.java:631) >> at jline.console.ConsoleReader.accept(ConsoleReader.java:2019) >> at jline.console.ConsoleReader.readLine(ConsoleReader.java:2666) >> at jline.console.ConsoleReader.readLine(ConsoleReader.java:2269) >> at >> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:748) >> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:675) >> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615) >> 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.util.RunJar.run(RunJar.java:221) >> at org.apache.hadoop.util.RunJar.main(RunJar.java:136) >> >> > >> >> Can somebody advise. >> >> Thanks >> >> Regards; >> >> >> >> >> >> Anand Murali >> 11/7, 'Anand Vihar', Kandasamy St, Mylapore >> Chennai - 600 004, India >> Ph: (044)- 28474593/ 43526162 (voicemail) >> > >
