org.postgresql.util.PSQLException: An I/O error occured while sending to the backend

hi,
I am using Postgres 8.0.0,
i am getting the following exception in my code, can you please suggest at to what may be going wrong?
The postgres logs do not tell anything.

thanks,
regards
Surabhi


org.postgresql.util.PSQLException: An I/O error occured while sending to the backend.

at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:201)

at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:388)

at org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:313)

at org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:305)

at com.ge.hc.nuevo.sessions.dbexpress.DBSession.dbxTransaction(DBSession.java:1496)

at com.ge.hc.nuevo.sessions.dbexpress.DBSession.installImage(DBSession.java:1254)

at com.ge.hc.nuevo.sessions.dbexpress.DBSession.installFiles(DBSession.java:737)

at com.ge.med.terra.tap.dm.DMSession.installFiles(DMSession.java:414)

at com.ge.hc.nuevo.services.jmservice.WorkerThread.arRestore(WorkerThread.java:666)

at com.ge.hc.nuevo.services.jmservice.WorkerThread.run(WorkerThread.java:979)

at java.lang.Thread.run(Thread.java:595)

Caused by: java.net.SocketException: Broken pipe

at java.net.SocketOutputStream.socketWrite0(Native Method)

at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:92)

at java.net.SocketOutputStream.write(SocketOutputStream.java:136)

at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)

at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)

at org.postgresql.core.PGStream.flush(PGStream.java:494)

at org.postgresql.core.v3.QueryExecutorImpl.sendSync(QueryExecutorImpl.java:631)

at org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:174)

... 10 more