ConnectException in TaskTracker Child
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Key: HADOOP-1739
URL: https://issues.apache.org/jira/browse/HADOOP-1739
Project: Hadoop
Issue Type: Bug
Components: mapred
Environment: Version: 0.15.0-dev, r565628
Compiled: Tue Aug 14 20:55:37 UTC 2007 by hadoopqa
1400 nodes
Reporter: Srikanth Kakani
Priority: Blocker
Steps to Reproduce:
I had 11000 mappers and 2700 reducers in a job and most failures correspond to
the following logs:
Stderr:
Exception in thread "main" java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:193)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:519)
at
org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:150)
at org.apache.hadoop.ipc.Client.getConnection(Client.java:530)
at org.apache.hadoop.ipc.Client.call(Client.java:459)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:165)
at org.apache.hadoop.mapred.$Proxy0.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:248)
at
org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1781)
Syslog:
2007-08-19 18:45:07,490 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 1 time(s).
2007-08-19 18:45:08,494 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 2 time(s).
2007-08-19 18:45:09,497 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 3 time(s).
2007-08-19 18:45:10,500 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 4 time(s).
2007-08-19 18:45:11,503 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 5 time(s).
2007-08-19 18:45:12,506 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 6 time(s).
2007-08-19 18:45:13,508 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 7 time(s).
2007-08-19 18:45:14,511 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 8 time(s).
2007-08-19 18:45:15,512 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 9 time(s).
2007-08-19 18:45:16,515 INFO org.apache.hadoop.ipc.Client: Retrying connect to
server: 0.0.0.0/0.0.0.0:50051. Already tried 10 time(s)
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