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From "Caldarale, Charles R" <Chuck.Caldar...@unisys.com>
Subject RE: Thread Dump
Date Thu, 03 Jun 2010 15:38:34 GMT
> From: suchismitasuchi [mailto:suchismitasuchi@rediffmail.com]
> Subject: Thread Dump
> 
> Can you please tell whether there is any problem with the 
> below thread dump?

Probably.  You've got lots of threads in this condition:

> "http-8000-Processor25" daemon prio=1 tid=0x00002aaab41eeb90 nid=0x3667
> runnable [0x000000004c7d7000..0x000000004c7dba90]
>   at java.net.SocketInputStream.socketRead0(Native Method)
>   at java.net.SocketInputStream.read(SocketInputStream.java:129)
>   at com.mysql.jdbc.util.ReadAheadInputStream.
>      fill(ReadAheadInputStream.java:113)
>   at com.mysql.jdbc.util.ReadAheadInputStream.
>      readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:160)
>   at com.mysql.jdbc.util.ReadAheadInputStream.
>      read(ReadAheadInputStream.java:188)
>      - locked <0x00002b0d1e94af70>
>        (a com.mysql.jdbc.util.ReadAheadInputStream)
>   at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2428)
>   at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2882)
>   at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2871)
>   at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3414)
>   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)
>   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
>   at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2542)
>      - locked <0x00002b0d1e944d10> (a java.lang.Object)
>   at com.mysql.jdbc.PreparedStatement.
>      executeInternal(PreparedStatement.java:1734)
>   at com.mysql.jdbc.PreparedStatement.
>      executeQuery(PreparedStatement.java:1885)
>      - locked <0x00002b0d1e944d10> (a java.lang.Object)
>   at org.apache.commons.dbcp.DelegatingPreparedStatement.
>      executeQuery(DelegatingPreparedStatement.java:93)
>   at org.hibernate.jdbc.AbstractBatcher.
>      getResultSet(AbstractBatcher.java:139)
>   at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)
>   at org.hibernate.loader.Loader.doQuery(Loader.java:662)

etc.

These indicate that the DB server is unresponsive.

 - Chuck


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