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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Hmaster has some warn logs.
Date Thu, 05 May 2011 17:27:10 GMT
The master was trying to talk to the region server at 10.85.129.177
but it took more than 60 seconds to get an answer.

J-D

On Thu, May 5, 2011 at 5:40 AM, Gaojinchao <gaojinchao@huawei.com> wrote:
> In our test cluster. There is a lot of logs for socket timeout.
> I try to dig it, but nothing.
> Who have a clue? Thanks.
>
> Hbase version : 0.90.2
>
> Logs:
> 2011-05-04 05:13:05,856 WARN org.apache.hadoop.hbase.master.CatalogJanitor: Failed scan
of catalog table
> java.net.SocketTimeoutException: Call to /10.85.129.177:60020 failed on socket timeout
exception: java.net.SocketTimeoutException: 60000 millis timeout while waiting for channel
to be ready for read. ch : java.nio.channels.SocketChannel[connected local=/10.85.129.177:54980
remote=/10.85.129.177:60020]
>        at org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:802)
>        at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:775)
>        at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257)
>        at $Proxy6.getRegionInfo(Unknown Source)
>        at org.apache.hadoop.hbase.catalog.CatalogTracker.verifyRegionLocation(CatalogTracker.java:424)
>        at org.apache.hadoop.hbase.catalog.CatalogTracker.getMetaServerConnection(CatalogTracker.java:272)
>        at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMeta(CatalogTracker.java:331)
>        at org.apache.hadoop.hbase.catalog.CatalogTracker.waitForMetaServerConnectionDefault(CatalogTracker.java:364)
>        at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:255)
>        at org.apache.hadoop.hbase.catalog.MetaReader.fullScan(MetaReader.java:237)
>        at org.apache.hadoop.hbase.master.CatalogJanitor.scan(CatalogJanitor.java:116)
>        at org.apache.hadoop.hbase.master.CatalogJanitor.chore(CatalogJanitor.java:85)
>        at org.apache.hadoop.hbase.Chore.run(Chore.java:66)
> Caused by: java.net.SocketTimeoutException: 60000 millis timeout while waiting for channel
to be ready for read. ch : java.nio.channels.SocketChannel[connected local=/10.85.129.177:54980
remote=/10.85.129.177:60020]
>        at org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:165)
>        at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:155)
>        at org.apache.hadoop.net.SocketInputStream.read(SocketInputStream.java:128)
>        at java.io.FilterInputStream.read(FilterInputStream.java:116)
>        at org.apache.hadoop.hbase.ipc.HBaseClient$Connection$PingInputStream.read(HBaseClient.java:299)
>        at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
>        at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
>        at java.io.DataInputStream.readInt(DataInputStream.java:370)
>        at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:539)
>        at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:477)
>

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