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From "Kathey Marsden (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1010) setTransactionIsolation can cause ava.sql.SQLException: Invalid operation: statement closed in some contexts with xa
Date Sat, 18 Feb 2006 22:18:26 GMT
setTransactionIsolation can cause ava.sql.SQLException: Invalid operation: statement closed
in some contexts with xa

         Key: DERBY-1010
         URL: http://issues.apache.org/jira/browse/DERBY-1010
     Project: Derby
        Type: Bug
  Components: Network Client  
    Reporter: Kathey Marsden

With xa setTransactionIsolation can cause a statement closed exception when calling 

Client tries to reuse a statement for sending SET CURRENT ISOLATION statements to the server.
 There must be some problems with this logic where it is trying to use a closed statement.
 Perhaps an overall better strategy would be to use an EXCSQLSET to send the set commands
to the server and then invoke the embedded JDBC setTransactionIsolation call on the server
as Oyvind did for setQueryTimeout.  Using the SET ISOLATION statements on the client has caused
a variety of problems.

// setTransactionIsolation in some contexts used in this test is 
	// causing  java.sql.SQLException: Invalid operation: statement closed
	// error on client. These cases are omitted for now where they cause the
	// statement closed error
	private static boolean  causesStmtClosedOnSetTransactionIsolation = TestUtil.isDerbyNetClientFramework();

java.sql.SQLException: Invalid operation: statement closed
        at org.apache.derby.client.am.SqlException.getSQLException(SqlException.java:280)
        at org.apache.derby.client.am.Statement.executeUpdate(Statement.java:437)
        at org.apache.derby.client.am.Connection.setTransactionIsolation(Connection.java:911)
        at org.apache.derby.client.am.LogicalConnection.setTransactionIsolation(LogicalConnection.java:184)
        at org.apache.derbyTesting.functionTests.tests.jdbcapi.checkDataSource.runTest(checkDataSource.java:404)
        at org.apache.derbyTesting.functionTests.tests.jdbcapi.checkDataSource.main(checkDataSource.java:119)
Caused by: org.apache.derby.client.am.SqlException: Invalid operation: statement closed
        at org.apache.derby.client.am.Statement.checkForClosedStatement(Statement.java:2231)
        at org.apache.derby.client.am.Statement.flowExecute(Statement.java:1737)
        at org.apache.derby.client.am.Statement.executeUpdateX(Statement.java:442)
        at org.apache.derby.client.am.Statement.executeUpdate(Statement.java:428)
        ... 4 more
Exception in thread "main" D>

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