'Unknown Result Type' - JDBC Driver

 Hi,

 I am using the JDBC interface. Does anybody know what
could lead to the following two errors I ran into -

 1. Cannot handle multiple result groups.
     at
 org.postgresql.Connection.ExecSQL(Connection.java,
 Compiled Code)
     at

org.postgresql.jdbc2.Statement.execute(Statement.java,
 Compiled Code)
     at

org.postgresql.jdbc2.Statement.executeQuery(Statement.java,
Compiled Code)
     at

org.postgresql.jdbc2.PreparedStatement.executeQuery(PreparedStatement.java,
Compiled Code)

 This seems to have been followed by a whole lot of
 occurences of -

 2. Unknown Response Type ^@
     at
 org.postgresql.Connection.ExecSQL(Connection.java,
 Compiled Code)
     at java.lang.Exception.<init>(Exception.java,
 Compiled Code)
     at
 java.sql.SQLException.<init>(SQLException.java,
 Compiled Code)
     at

org.postgresql.util.PSQLException.<init>(PSQLException.java,
Compiled Code)
     at
 org.postgresql.Connection.ExecSQL(Connection.java,
 Compiled Code)
     at

org.postgresql.jdbc2.Statement.execute(Statement.java,
 Compiled Code)
     at

org.postgresql.jdbc2.Statement.executeQuery(Statement.java,
Compiled Code)
     at

org.postgresql.jdbc2.PreparedStatement.executeQuery(PreparedStatement.java,
Compiled Code)

 I normally do not see this happen, and do not know
if I can replicate this error reliably. Any
information
regarding the meaning/cause of this error and whether
there is a way to get around it/avoid it, would be
really helpful.

Thanks,
Rini


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