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From "Fernanda Pizzorno (JIRA)" <derby-...@db.apache.org>
Subject [jira] Assigned: (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 13:20:31 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1481?page=all ]

Fernanda Pizzorno reassigned DERBY-1481:
----------------------------------------

    Assign To: Fernanda Pizzorno

> 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
>     Assignee: Fernanda Pizzorno
>  Attachments: Repro.java
>
> 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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