Respected Sir/Madam,
> > > I have installed Hadoop on my ubuntu 12.04 system > i installed HIVE also.for some days it works fine..but one day i directly > shutdown my machine (with closing hive & hadoop) > now i am running some query..it throws error (query like "show > databases","use database_name" works fine) but for below > > hive> select count(*) from cidade; > Error thrown:- > > FAILED: Hive Internal Error: > java.lang.RuntimeException(java.net.ConnectException: Call to localhost/ > 127.0.0.1:54310 failed on connection exception: > java.net.ConnectException: Connection refused) > java.lang.RuntimeException: java.net.ConnectException: Call to localhost/ > 127.0.0.1:54310 failed on connection exception: > java.net.ConnectException: Connection refused > at org.apache.hadoop.hive.ql.Context.getScratchDir(Context.java:151) > at org.apache.hadoop.hive.ql.Context.getMRScratchDir(Context.java:190) > at org.apache.hadoop.hive.ql.Context.getMRTmpFileURI(Context.java:247) > at > org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:900) > at > org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:6594) > at > org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:238) > at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:340) > at org.apache.hadoop.hive.ql.Driver.run(Driver.java:736) > at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:164) > at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:241) > at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:456) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.util.RunJar.main(RunJar.java:156) > Caused by: java.net.ConnectException: Call to localhost/127.0.0.1:54310failed > on connection exception: java.net.ConnectException: Connection > refused > at org.apache.hadoop.ipc.Client.wrapException(Client.java:767) > at org.apache.hadoop.ipc.Client.call(Client.java:743) > at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220) > at $Proxy4.getProtocolVersion(Unknown Source) > at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359) > at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:106) > at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:207) > at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:170) > at > org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:82) > at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196) > at org.apache.hadoop.fs.Path.getFileSystem(Path.java:175) > at org.apache.hadoop.hive.ql.Context.getScratchDir(Context.java:145) > ... 15 more > Caused by: java.net.ConnectException: Connection refused > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:567) > at > org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) > at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404) > at > org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:304) > at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176) > at org.apache.hadoop.ipc.Client.getConnection(Client.java:860) > at org.apache.hadoop.ipc.Client.call(Client.java:720) > ... 28 more > > ========================================================================================================================= > > is it that ,some files may damage during shutdown ? > what could be the error ? >
