Hello Michael,

> 2005-06-21 10:44:31 11603     11509 COMMUNIC Connection 
> broken by appl state 
> 10 T99

This means the client hang up without a proper disconnect ...

> "Thread-43" daemon prio=1 tid=0x7a333fb8 nid=0xc74 runnable 
> [7b724000..7b725218]
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java:129)
>         at 
> com.sap.dbtech.rte.comm.SocketComm.receiveData(SocketComm.java:634)
>         at 
> com.sap.dbtech.rte.comm.SocketComm.receive(SocketComm.java:508)
>         at 
> com.sap.dbtech.rte.comm.JdbcCommunication.execute(JdbcCommunic
> ation.java:44)

... and this means the client is still waiting for the reply from the 
kernel ... (*if* this corresponds to the session we have seen in the
knldiag).

Did you change anything in network configuration of the machine, or
its general system configuration?

Regards 
Alexander Schröder
SAP DB, SAP Labs Berlin

> -----Original Message-----
> From: Michael Ruf [mailto:[EMAIL PROTECTED] 
> Sent: Tuesday, June 21, 2005 10:59 AM
> To: maxdb@lists.mysql.com
> Subject: 11509 COMMUNIC Connection broken by appl state 10
> 
> Hi,
> 
> we have setup a new maxdb database server 7.5.0.26 ( OS is 
> Suse9.3, Kernel 
> 2.6.11 ). With this new DB we have some strange errors. Maybe we have 
> forgotten something.
> 
> 2005-06-21 10:44:31 11603     11509 COMMUNIC Connection 
> broken by appl state 
> 10 T99
> 2005-06-21 10:44:31 11603 WNG 11824 COMMUNIC Releasing  T99 
> connection aborted
> 2005-06-21 10:44:31 11603     12929 TASKING  Task T99 started
> 2005-06-21 10:44:31 11603     11007 COMMUNIC wait for connection T99
> 
> When this error occurs, we got deadlocks in our application 
> in the jdbc Driver
> 
> "Thread-43" daemon prio=1 tid=0x7a333fb8 nid=0xc74 runnable 
> [7b724000..7b725218]
>         at java.net.SocketInputStream.socketRead0(Native Method)
>         at java.net.SocketInputStream.read(SocketInputStream.java:129)
>         at 
> com.sap.dbtech.rte.comm.SocketComm.receiveData(SocketComm.java:634)
>         at 
> com.sap.dbtech.rte.comm.SocketComm.receive(SocketComm.java:508)
>         at 
> com.sap.dbtech.rte.comm.JdbcCommunication.execute(JdbcCommunic
> ation.java:44)
>         at 
> com.sap.dbtech.jdbc.ConnectionSapDB.execute(ConnectionSapDB.java:453)
>         - locked <0x488faaa8> (a com.sap.dbtech.jdbc.ConnectionSapDB)
>         at 
> com.sap.dbtech.jdbc.ConnectionSapDB.execute(ConnectionSapDB.java:375)
>         at 
> com.sap.dbtech.jdbc.StatementSapDB.sendCommand(StatementSapDB.
> java:734)
>         at 
> com.sap.dbtech.jdbc.StatementSapDB.sendSQL(StatementSapDB.java:778)
>         at 
> com.sap.dbtech.jdbc.StatementSapDB.execute(StatementSapDB.java:250)
>         at 
> com.sap.dbtech.jdbc.StatementSapDB.executeQuery(StatementSapDB
> .java:382)
> 
> regards
> Michael
> 
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