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HBase >> mail # user >> Exception in data node log


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Re: Exception in data node log
Hi Vimal,

Are those logs into HBase logs? Or into HDFS logs? Sound like you have some
HDFS issues (slow disks, or running on VM, etc.)

JM
2014-01-31 Vimal Jain <[EMAIL PROTECTED]>:

> Hi,
> I have set up hbase in pseudo distributed mode.
> I keep on getting below exceptions in data node log.
> Is it a problem ?
>
> ( Hadoop version - 1.1.2 , Hbase version - 0.94.7 )
>
> Please help.
>
>
> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
> channel to be ready for write. ch :
> java.nio.channels.SocketChannel[connected local=/192.168.20.30:50010
> remote=/
> 192.168.20.30:38188]
>         at
>
> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>         at
>
> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:159)
>         at
>
> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:198)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendChunks(BlockSender.java:392)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:490)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:202)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:104)
>         at java.lang.Thread.run(Thread.java:662)
>
> 2014-01-31 00:10:28,951 ERROR
> org.apache.hadoop.hdfs.server.datanode.DataNode: DatanodeRegistration(
> 192.168.20.30:50010,
> storageID=DS-1816106352-192.168.20.30-50010-1369314076237, infoPort=50075,
> ipcPort=50020):DataXceiver
> java.net.SocketTimeoutException: 480000 millis timeout while waiting for
> channel to be ready for write. ch :
> java.nio.channels.SocketChannel[connected local=/192.168.20.30:50010
> remote=/
> 192.168.20.30:38188]
>         at
>
> org.apache.hadoop.net.SocketIOWithTimeout.waitForIO(SocketIOWithTimeout.java:246)
>         at
>
> org.apache.hadoop.net.SocketOutputStream.waitForWritable(SocketOutputStream.java:159)
>         at
>
> org.apache.hadoop.net.SocketOutputStream.transferToFully(SocketOutputStream.java:198)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendChunks(BlockSender.java:392)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.BlockSender.sendBlock(BlockSender.java:490)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.readBlock(DataXceiver.java:202)
>         at
>
> org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:104)
>         at java.lang.Thread.run(Thread.java:662)
>
> --
> Thanks and Regards,
> Vimal Jain
>

 
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB