:) Ok Why u also experienced the same?
On Tue, Nov 12, 2013 at 5:14 PM, chandu banavaram < [email protected]> wrote: > plz send the answer to me for this query > > > On Tue, Nov 12, 2013 at 2:52 AM, unmesha sreeveni > <[email protected]>wrote: > >> While running job with 90 Mb file i am getting LeaseExpiredException >> >> 13/11/12 15:46:41 WARN mapred.JobClient: Use GenericOptionsParser for >> parsing the arguments. Applications should implement Tool for the same. >> 13/11/12 15:46:42 INFO input.FileInputFormat: Total input paths to >> process : 1 >> 13/11/12 15:46:43 INFO mapred.JobClient: Running job: >> job_201310301645_25033 >> 13/11/12 15:46:44 INFO mapred.JobClient: map 0% reduce 0% >> 13/11/12 15:46:56 INFO mapred.JobClient: Task Id : >> attempt_201310301645_25033_m_000000_0, Status : FAILED >> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException): >> Lease mismatch on /user/hdfs/in/map owned by >> DFSClient_NONMAPREDUCE_-1622335545_1 but is accessed by >> DFSClient_NONMAPREDUCE_-1561990512_1 >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2459) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2437) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFileInternal(FSNamesystem.java:2503) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFile(FSNamesystem.java:2480) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.complete(NameNodeRpcServer.java:556) >> at >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.complete(ClientNamenodeProtocolServerSideTranslatorPB.java:337) >> at >> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:44958) >> at org. >> attempt_201310301645_25033_m_000000_0: SLF4J: Class path contains >> multiple SLF4J bindings. >> attempt_201310301645_25033_m_000000_0: SLF4J: Found binding in >> [jar:file:/usr/lib/zookeeper/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> attempt_201310301645_25033_m_000000_0: SLF4J: Found binding in >> [jar:file:/tmp/hadoop-mapred/mapred/local/taskTracker/hdfs/jobcache/job_201310301645_25033/jars/job.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> attempt_201310301645_25033_m_000000_0: SLF4J: See >> http://www.slf4j.org/codes.html#multiple_bindings for an explanation. >> 13/11/12 15:47:02 INFO mapred.JobClient: Task Id : >> attempt_201310301645_25033_m_000000_1, Status : FAILED >> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException): >> Lease mismatch on /user/hdfs/in/map owned by >> DFSClient_NONMAPREDUCE_-1622335545_1 but is accessed by >> DFSClient_NONMAPREDUCE_-1662926329_1 >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2459) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.analyzeFileState(FSNamesystem.java:2262) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2175) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:501) >> at >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:299) >> at >> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:44954) >> at >> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java >> attempt_201310301645_25033_m_000000_1: SLF4J: Class path contains >> multiple SLF4J bindings. >> attempt_201310301645_25033_m_000000_1: SLF4J: Found binding in >> [jar:file:/usr/lib/zookeeper/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> attempt_201310301645_25033_m_000000_1: SLF4J: Found binding in >> [jar:file:/tmp/hadoop-mapred/mapred/local/taskTracker/hdfs/jobcache/job_201310301645_25033/jars/job.jar!/org/slf4j/impl/StaticLoggerBinder.class] >> attempt_201310301645_25033_m_000000_1: SLF4J: See >> http://www.slf4j.org/codes.html#multiple_bindings for an explanation. >> attempt_201310301645_25033_m_000000_1: log4j:WARN No appenders could be >> found for logger (org.apache.hadoop.hdfs.DFSClient). >> attempt_201310301645_25033_m_000000_1: log4j:WARN Please initialize the >> log4j system properly. >> attempt_201310301645_25033_m_000000_1: log4j:WARN See >> http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info. >> 13/11/12 15:47:10 INFO mapred.JobClient: Task Id : >> attempt_201310301645_25033_m_000001_0, Status : FAILED >> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException): >> No lease on /user/hdfs/in/map: File is not open for writing. Holder >> DFSClient_NONMAPREDUCE_-1622335545_1 does not have any open files. >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2452) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2437) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFileInternal(FSNamesystem.java:2503) >> at >> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFile(FSNamesystem.java:2480) >> at >> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.complete(NameNodeRpcServer.java:556) >> at >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.complete(ClientNamenodeProtocolServerSideTranslatorPB.java:337) >> at >> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:44958) >> >> Why is it so? >> My mapper code is >> >> public void map(Object key, Text value, Context context) >> throws IOException, InterruptedException { >> Configuration conf = new Configuration(); >> FileSystem fs = FileSystem.get(conf); >> >> Path inputfile = new Path("in/map"); >> BufferedWriter getdatabuffer = new BufferedWriter(new >> OutputStreamWriter(fs.create(inputfile))); >> getdatabuffer.write(value.toString()); >> getdatabuffer.close(); >> Path Attribute = new Path("in/Attribute"); >> int row =0; >> BufferedReader read = new BufferedReader(new >> InputStreamReader(fs.open(inputfile))); >> String str = null; >> while((str = read.readLine())!=null){ >> >> row++; //total row count >> StringTokenizer st =new StringTokenizer(str," "); >> col = st.countTokens(); >> } >> read.close(); >> ........... >> ........... >> ............. >> ............ >> Further computation is based on the above "map" file. >> >> Why this happens? >> I think it is unable to write into in/map for several times. >> How to get rid of this? >> *Any Suggestions?* >> >> -- >> *Thanks & Regards* >> >> Unmesha Sreeveni U.B >> >> *Junior Developer* >> >> >> > -- *Thanks & Regards* Unmesha Sreeveni U.B *Junior Developer*
