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From Christian Saar <s...@adacor.com>
Subject Repeated Exceptions in SecondaryNamenode Log
Date Tue, 01 Jul 2008 15:19:48 GMT
Hallo All,

We have this Exception in our Logs:

> 2008-07-01 17:12:02,392 ERROR org.apache.hadoop.dfs.NameNode.Secondary: Exception in
doCheckpoint:
> 2008-07-01 17:12:02,392 ERROR org.apache.hadoop.dfs.NameNode.Secondary: 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.Socket.connect(Socket.java:519)
>         at java.net.Socket.connect(Socket.java:469)
>         at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:394)
>         at sun.net.www.http.HttpClient.openServer(HttpClient.java:529)
>         at sun.net.www.http.HttpClient.<init>(HttpClient.java:233)
>         at sun.net.www.http.HttpClient.New(HttpClient.java:306)
>         at sun.net.www.http.HttpClient.New(HttpClient.java:323)
>         at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:788)
>         at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:729)
>         at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:654)
>         at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:977)
>         at org.apache.hadoop.dfs.TransferFsImage.getFileClient(TransferFsImage.java:149)
>         at org.apache.hadoop.dfs.TransferFsImage.getFileClient(TransferFsImage.java:188)
>         at org.apache.hadoop.dfs.SecondaryNameNode.getFSImage(SecondaryNameNode.java:245)
>         at org.apache.hadoop.dfs.SecondaryNameNode.doCheckpoint(SecondaryNameNode.java:310)
>         at org.apache.hadoop.dfs.SecondaryNameNode.run(SecondaryNameNode.java:223)
>         at java.lang.Thread.run(Thread.java:619)

but the PrimaryNamenode looks good:

> 2008-07-01 17:17:02,034 INFO org.apache.hadoop.fs.FSNamesystem: Roll Edit Log from 172.20.11.102

anybody know how i can find the problem here?

-- 


mit freundlichen Grüßen

Christian Saar

................................................
Adacor Hosting GmbH
Kaiserleistrasse 51
D-63067 Offenbach am Main

Telefon  +49 (0)69 905089 2110
Telefax  +49 (0)69 905089 29
Email    saar@adacor.com

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