SQL query never ends

I'm experimenting a random problem on my PC. Sometimes a sql query
executed with Statement never returns. The code is blocked at a line
like this one:

rs = stmt.executeQuery("select true");

The query is not important: it fails with any type of query, at random,
even with the one above.

I never get an exception.

Now the logs. I've enable logging at the database level and I have set
"statement_timeout = 3000". I have searched for the query in
postgresql's log but I cannot find the query which is blocking in my
java code so I guess that it means that the query never reached postgresql.

I've enabled jdbc logging with "loglevel=2" and this is what I get:

simple execute,
handler=org.postgresql.jdbc2.AbstractJdbc2Statement$StatementResultHandler@996cca,
maxRows=0, fetchSize=0, flags=17
FE=> Parse(stmt=null,query="i've remove the select query",oids={})
FE=> Bind(stmt=null,portal=null)
FE=> Describe(portal=null)
FE=> Execute(portal=null,limit=0)
FE=> Sync

.. and nothing else. No "<=BE ..." follow the " FE=> Sync" log entry.


I've also tried to put "stmt.setQueryTimeout(3);" but it doesn't seem to
do anything.

I'm using postgresql 8.1.4 on Windows 2000 Pro SP4 and the driver      is
"8.1-407 JDBC 3". I'm also using java 1.5.0_06-b05.


I guess that there is a bug in the driver. If I'm wrong, please tell me
how to solve it. If I'm right, could you try to fix it?

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