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https://issues.apache.org/jira/browse/HADOOP-3537?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang reassigned HADOOP-3537:
-------------------------------------
Assignee: Hairong Kuang
> Datanode not starting up with java.lang.StringIndexOutOfBoundsException in
> NetworkTopology.remove
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-3537
> URL: https://issues.apache.org/jira/browse/HADOOP-3537
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.17.0
> Reporter: Koji Noguchi
> Assignee: Hairong Kuang
> Priority: Blocker
> Fix For: 0.18.0
>
>
> When we brought up one of our clusters, couple of datanodes failed to start
> up with this error messages on the log.
> 2008-06-11 17:25:06,418 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
> Initializing JVM Metrics with processName=DataNode, sessionId=null
> 2008-06-11 17:26:06,748 INFO org.apache.hadoop.dfs.DataNode: Problem
> connecting to server: namenode/11.111.11.111:8020
> 2008-06-11 17:27:07,763 INFO org.apache.hadoop.dfs.DataNode: Problem
> connecting to server: namenode/11.111.11.111:8020
> 2008-06-11 17:28:08,778 INFO org.apache.hadoop.dfs.DataNode: Problem
> connecting to server: namenode/11.111.11.111:8020
> 2008-06-11 17:29:09,793 INFO org.apache.hadoop.dfs.DataNode: Problem
> connecting to server: namenode/11.111.11.111:8020
> 2008-06-11 17:29:43,235 ERROR org.apache.hadoop.dfs.DataNode:
> org.apache.hadoop.ipc.RemoteException: java.io.IOException:
> java.lang.StringIndexOutOfBoundsException: String index out of range: -1
> at java.lang.String.substring(String.java:1938)
> at java.lang.String.substring(String.java:1905)
> at
> org.apache.hadoop.net.NetworkTopology$InnerNode.getNextAncestorName(NetworkTopology.java:119)
> at
> org.apache.hadoop.net.NetworkTopology$InnerNode.remove(NetworkTopology.java:201)
> at org.apache.hadoop.net.NetworkTopology.remove(NetworkTopology.java:354)
> at
> org.apache.hadoop.dfs.FSNamesystem.registerDatanode(FSNamesystem.java:2071)
> at org.apache.hadoop.dfs.NameNode.register(NameNode.java:536)
> at sun.reflect.GeneratedMethodAccessor14.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:446)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:896)
> at org.apache.hadoop.ipc.Client.call(Client.java:557)
> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:212)
> at org.apache.hadoop.dfs.$Proxy4.register(Unknown Source)
> at org.apache.hadoop.dfs.DataNode.register(DataNode.java:456)
> at org.apache.hadoop.dfs.DataNode.runDatanodeDaemon(DataNode.java:2694)
> at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java:2729)
> at org.apache.hadoop.dfs.DataNode.main(DataNode.java:2850)
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