[
https://issues.apache.org/jira/browse/HDFS-3385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13271231#comment-13271231
]
Brahma Reddy Battula commented on HDFS-3385:
--------------------------------------------
Hi Nichalos,,thanks for look..
Actually I didn't get exact scenario to reproduce.
First, let me try to reproduce this issue and then I'll verify your patch.
*fulltrace when I got*
{noformat}
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:1782)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:1580)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.appendFile(FSNamesystem.java:1819)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.append(NameNodeRpcServer.java:416)
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$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:417)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:891)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1661)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1657)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1205)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1655)
at org.apache.hadoop.ipc.Client.call(Client.java:1159)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:185)
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:165)
at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:84)
at $Proxy9.append(Unknown Source)
at
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.append(ClientNamenodeProtocolTranslatorPB.java:214)
at org.apache.hadoop.hdfs.DFSClient.callAppend(DFSClient.java:1178)
at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1217)
at org.apache.hadoop.hdfs.DFSClient.append(DFSClient.java:1205)
at
org.apache.hadoop.hdfs.DistributedFileSystem.append(DistributedFileSystem.java:209)
at org.apache.hadoop.fs.FileSystem.append(FileSystem.java:973)
at
com.huawei.isap.test.smartump.hdfs.TestHDFSAPI.appendFile(TestHDFSAPI.java:76)
at
com.huawei.isap.test.smartump.hdfs.TestHDFSAPI.main(TestHDFSAPI.java:40
{noformat}
> 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
>
> Attachments: h3385_20120508.patch
>
>
> When I try to append a file I got
> {noformat}
> 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.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)
> {noformat}
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