Hy List!
I'm using a multiple client (jaybird 1.55, java 1.5, LAN) environment
with an FB SS 1.52 server

The majority of the clients on different machines have no problems,
but with one I got the following exceptions:


"
org.firebirdsql.jdbc.FBSQLException: Resource Exception. Error reading
data from the connection.
null
Reason: Error reading data from the connection.
null
at
org.firebirdsql.jdbc.AbstractConnection.ensureInTransaction(AbstractConnection.java:842)
at
org.firebirdsql.jdbc.AbstractStatement.executeQuery(AbstractStatement.java:155)
at
...
...
at org.firebirdsql.gds.GDSException: Error reading data from the
connection.
null
at org.firebirdsql.jgds.GDS_Impl.receiveResponse(GDS_Impl.java:1784)
at org.firebirdsql.jgds.GDS_Impl.isc_start_transaction(GDS_Impl.java:553)
at
org.firebirdsql.jca.FBManagedConnectionFactory.getCurrentIscTrHandle(FBManagedConnectionFactory.java:507)
at
org.firebirdsql.jca.FBManagedConnection.findIscTrHandle(FBManagedConnection.java:1125)
at
org.firebirdsql.jca.FBManagedConnection.internalStart(FBManagedConnection.java:675)
at
org.firebirdsql.jca.FBLocalTransaction.internalBegin(FBLocalTransaction.java:111)
at
org.firebirdsql.jca.FBLocalTransaction.begin(FBLocalTransaction.java:94)
at
org.firebirdsql.jdbc.AbstractConnection.ensureInTransaction(AbstractConnection.java:838)
at
org.firebirdsql.jdbc.AbstractStatement.executeQuery(AbstractStatement.java:155)
at
...
"

and

"
org.firebirdsql.jdbc.FBSQLException: GDS Exception. 335544327. invalid
request handle
at
org.firebirdsql.jdbc.AbstractPreparedStatement.internalExecute(AbstractPreparedStatement.java:503)
at
org.firebirdsql.jdbc.AbstractPreparedStatement.executeQuery(AbstractPreparedStatement.java:109)
at
...
...
at org.firebirdsql.gds.GDSException: invalid request handle
at
org.firebirdsql.jdbc.AbstractConnection.executeStatement(AbstractConnection.java:945)
at
org.firebirdsql.jdbc.AbstractPreparedStatement.internalExecute(AbstractPreparedStatement.java:499)
at
org.firebirdsql.jdbc.AbstractPreparedStatement.executeQuery(AbstractPreparedStatement.java:109)
...
"

Connection got initiated when the program started and there was no
problem then. Other clients work perfectly.
What can lead to these error messages, what should I check?

Thanks in advance,
John