hadoop - Hive 中的 LeaseExpiredException

Question

全部。我运行一个配置单元查询运行到 97%，异常显示 org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: 无租约。

谁能解释一下为什么会出现这个错误？这是一个单用户Hive集群环境。

提前谢谢你。

2013-01-02 22:16:17,833 ERROR org.apache.hadoop.hdfs.DFSClient: Exception closing file /tmp/hive-hadoop/hive_2013-01-01_21-21-32_067_6367259756570557828/_task_tmp.-ext-10002/_tmp.000004_1 : org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on /tmp/hive-hadoop/hive_2013-01-01_21-21-32_067_6367259756570557828/_task_tmp.-ext-10002/_tmp.000004_1 File does not exist. Holder DFSClient_attempt_201301012114_0002_m_000004_1 does not have any open files.
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1631)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1622)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFileInternal(FSNamesystem.java:1677)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFile(FSNamesystem.java:1665)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:718)
        at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382)

org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on /tmp/hive-hadoop/hive_2013-01-01_21-21-32_067_6367259756570557828/_task_tmp.-ext-10002/_tmp.000004_1 File does not exist. Holder DFSClient_attempt_201301012114_0002_m_000004_1 does not have any open files.
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1631)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:1622)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFileInternal(FSNamesystem.java:1677)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.completeFile(FSNamesystem.java:1665)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:718)
        at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:563)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1388)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1384)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1382)

        at org.apache.hadoop.ipc.Client.call(Client.java:1070)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225)
        at $Proxy2.complete(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
        at $Proxy2.complete(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:3897)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:3812)
        at org.apache.hadoop.hdfs.DFSClient$LeaseChecker.close(DFSClient.java:1345)
        at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:275)
        at org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:328)
        at org.apache.hadoop.fs.FileSystem$Cache.closeAll(FileSystem.java:1446)
        at org.apache.hadoop.fs.FileSystem.closeAll(FileSystem.java:277)
        at org.apache.hadoop.fs.FileSystem$ClientFinalizer.run(FileSystem.java:260)

Answer 1

您的配置单元查询是否创建并行 MR 作业？我遇到了同样的问题，发现:LeaseExpiredException: No lease error on HDFS :

当工作结束时，他删除了/data/work/文件夹。如果并行运行的作业很少，删除操作也会删除另一个作业的文件。实际上我需要删除/data/work/。

换句话说，当作业尝试访问不再存在的文件时会抛出此异常