[Microsoft][SQLServer 2000 Driver for JDBC]net dll not initi

We are currently in the middle of piloting a new application using
MSDE, and some of our users are getting the following SQLException
when attempting to query the database. The exception occurs
sporadically, and it only seems to happen after the application is
used for an extended duraton of time. Also, once the exception
occurs, it seems like the only way to obtain a good connection again
is to restart the JVM. Successive calls to get a connection from the
drivermanager fail otherwise.

Our calling application uses JNI to call a java function which is
responsible for creating the database connection and querying the
database.

Any help would be appreciated!

Here's the exception:

[Microsoft][SQLServer 2000 Driver for JDBC]net dll not initialized
(WSAStartup): socket write error
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]net
dll not initialized (WSAStartup): socket write error
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown
Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown
Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown
Source)
at
com.microsoft.jdbc.sqlserver.tds.TDSRPCRequest.submitRequest(Unknown
Source)
at
com.microsoft.jdbc.sqlserver.tds.TDSCursorRequest.openCursor(Unknown
Source)
at
com.microsoft.jdbc.sqlserver.SQLServerImplStatement.execute(Unknown
Source)
at com.microsoft.jdbc.base.BaseStatement.commonExecute(Unknown
Source)
at com.microsoft.jdbc.base.BaseStatement.executeQueryInternal(Unknown
Source)
at com.microsoft.jdbc.base.BasePreparedStatement.executeQuery(Unknown
Source)

.

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