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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3537) Datanode not starting up with java.lang.StringIndexOutOfBoundsException in NetworkTopology.remove
Date Wed, 11 Jun 2008 19:38:45 GMT
Datanode not starting up with  java.lang.StringIndexOutOfBoundsException in NetworkTopology.remove
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                 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


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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