Brahma Reddy Battula created HDFS-3385: ------------------------------------------
Summary: ClassCastException when trying to append a file Key: HDFS-3385 URL: https://issues.apache.org/jira/browse/HDFS-3385 Project: Hadoop HDFS Issue Type: Bug Components: name-node Affects Versions: 3.0.0 Environment: HDFS Reporter: Brahma Reddy Battula Priority: Minor Fix For: 3.0.0 When I try to append a file I got 2012-05-08 18:13:40,506 WARN util.KerberosName (KerberosName.java:<clinit>(87)) - Kerberos krb5 configuration not found, setting default realm to empty Exception in thread "main" java.lang.ClassCastException: org.apache.hadoop.hdfs.server.blockmanagement.BlockInfo cannot be cast to org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoUnderConstruction at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.recoverLeaseInternal(FSNamesystem.java:1787) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:1584) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:1824) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:425) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.append(ClientNamenodeProtocolServerSideTranslatorPB.java:217) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:42592) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:427) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:916) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1692) at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1688) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:396) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1232) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1686) at org.apache.hadoop.ipc.Client.call(Client.java:1159) at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:184) at $Proxy9.append(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164) at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83) at $Proxy9.append(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:204) at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1150) at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1189) at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1177) at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:221) at org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:1) at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:981) at org.apache.hadoop.hdfs.server.datanode.DeleteMe.main(DeleteMe.java:26) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira