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From "Knut Anders Hatlen (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1481) Client driver: ResultSet.beforeFirst() gives protocol error on scrollable, updatable result sets that are downgraded to read-only
Date Thu, 06 Jul 2006 11:19:29 GMT
Client driver: ResultSet.beforeFirst() gives protocol error on scrollable, updatable result
sets that are downgraded to read-only
---------------------------------------------------------------------------------------------------------------------------------

         Key: DERBY-1481
         URL: http://issues.apache.org/jira/browse/DERBY-1481
     Project: Derby
        Type: Bug

  Components: JDBC, Network Client  
    Versions: 10.2.0.0    
    Reporter: Knut Anders Hatlen


When a statement that produces scrollable, updatable result sets executes a query which cannot
produce an updatable result set (a join for instance), ResultSet.beforeFirst() fails with
the following error:

Exception in thread "main" java.sql.SQLException: A network protocol error was encountered
and the connection has been terminated: Network protocol exception: DSS length not 0 at end
of same id chain parse.  The connection has been terminated.
        at org.apache.derby.client.am.SQLExceptionFactory.getSQLException(SQLExceptionFactory.java:45)
        at org.apache.derby.client.am.SqlException.getSQLException(SqlException.java:344)
        at org.apache.derby.client.am.ResultSet.beforeFirst(ResultSet.java:2101)
        at Repro.main(Repro.java:16)
Caused by: org.apache.derby.client.am.DisconnectException: A network protocol error was encountered
and the connection has been terminated: Network protocol exception: DSS length not 0 at end
of same id chain parse.  The connection has been terminated.
        at org.apache.derby.client.am.ResultSet.flowPositioningFetch(ResultSet.java:3888)
        at org.apache.derby.client.am.ResultSet.moveToBeforeFirst(ResultSet.java:4149)
        at org.apache.derby.client.am.ResultSet.beforeFirstX(ResultSet.java:2118)
        at org.apache.derby.client.am.ResultSet.beforeFirst(ResultSet.java:2096)
        ... 1 more

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