Hi everyone,
I have a problem about Hadoop startup.
I failed to startup the namenode and I got the following exception in the
namenode log file:
2008-10-23 21:54:51,223 INFO org.mortbay.http.SocketListener: Started
SocketListener on 0.0.0.0:50070
2008-10-23 21:54:51,224 INFO org.mortbay.util.Container: Started
[EMAIL PROTECTED]
2008-10-23 21:54:51,224 INFO org.apache.hadoop.fs.FSNamesystem: Web-server
up at: 0.0.0.0:50070
2008-10-23 21:54:51,224 INFO org.apache.hadoop.ipc.Server: IPC Server
Responder: starting
2008-10-23 21:54:51,226 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 58310: starting
2008-10-23 21:54:51,227 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 58310: starting
2008-10-23 21:54:51,227 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1 on 58310: starting
2008-10-23 21:54:51,227 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 2 on 58310: starting
2008-10-23 21:54:51,227 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 3 on 58310: starting
2008-10-23 21:54:51,228 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 4 on 58310: starting
2008-10-23 21:54:51,232 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 5 on 58310: starting
2008-10-23 21:54:51,232 ERROR org.apache.hadoop.dfs.NameNode:
java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:597)
at org.apache.hadoop.ipc.Server.start(Server.java:991)
at org.apache.hadoop.dfs.NameNode.initialize(NameNode.java:149)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:193)
at org.apache.hadoop.dfs.NameNode.<init>(NameNode.java:179)
at org.apache.hadoop.dfs.NameNode.createNameNode(NameNode.java:830)
at org.apache.hadoop.dfs.NameNode.main(NameNode.java:839)
How can I fix it? Does it mean that my machine doesn't have enough memory
for Hadoop startup?
Any help will be appreciated!
Thanks in advance.
- Woody
