thanks
On Thu, Nov 14, 2013 at 10:18 PM, unmesha sreeveni <[email protected]>wrote: > @chandu banavaram: > This exception usually happens if hdfs is trying to write into a file > which is no more in hdfs.. > > I think in my case certain files are not created in my hdfs.it failed to > create due to some permissions. > > I am trying out. > > > On Wed, Nov 13, 2013 at 9:25 AM, unmesha sreeveni > <[email protected]>wrote: > >> :) 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* >> >> >> > > > -- > *Thanks & Regards* > > Unmesha Sreeveni U.B > > *Junior Developer* > > >
