COMMIT(*NONE) valid only if relational database SPD is a System i

I’ve a domino server on iSeries, I created a java agent to read/Update a db2 table located on a Linux DB2.

When I run the the agent as scheduled, I got following error in the log.nsf

23/07/2010 13:57:04 AMgr: Start executing agent ‘test’ in ‘ben/rdb1.nsf’

23/07/2010 13:57:08 Agent Manager: Agent printing: 00

23/07/2010 13:57:09 Agent Manager: Agent printing: Connection Done

23/07/2010 13:57:09 Agent Manager: Agent printing: Statement Done

23/07/2010 13:57:09 Agent Manager: Agent error: com.ibm.db2.jdbc.app.DB2DBException: COMMIT(*NONE) valid only if relational database SPD (product identification SQL09055) is a System i.

23/07/2010 13:57:09 Agent Manager: Agent error: at com.ibm.db2.jdbc.app.DB2SQLException.createDefaultException(DB2SQLException.java:40)

23/07/2010 13:57:09 Agent Manager: Agent error: at com.ibm.db2.jdbc.app.DB2SQLException.createException(DB2SQLException.java:131)

23/07/2010 13:57:09 Agent Manager: Agent error: at com.ibm.db2.jdbc.app.DB2StatementRuntimeImpl.SQLExecDirect(Native Method)

23/07/2010 13:57:09 Agent Manager: Agent error: at com.ibm.db2.jdbc.app.DB2StatementRuntimeImpl.execDirect(DB2StatementRuntimeImpl.java:174)

23/07/2010 13:57:09 Agent Manager: Agent error: at com.ibm.db2.jdbc.app.DB2Statement.commonExecDirect(DB2Statement.java:1289)

23/07/2010 13:57:09 Agent Manager: Agent error: at com.ibm.db2.jdbc.app.DB2Statement.executeQuery(DB2Statement.java:989)

23/07/2010 13:57:09 Agent Manager: Agent error: at JavaAgent.NotesMain(JavaAgent.java:48)

23/07/2010 13:57:09 Agent Manager: Agent error: at lotus.domino.AgentBase.runNotes(Unknown Source)

23/07/2010 13:57:09 Agent Manager: Agent error: at lotus.domino.NotesThread.run(Unknown Source)

23/07/2010 13:57:09 AMgr: Agent ‘test’ in ‘ben/rdb1.nsf’ completed execution

Here is a part of the agent, and it seems to block on the executeQuery line.

try {

		Properties properties = new Properties ();

        properties.put("user", "x");

        properties.put("password", "y");

        properties.put("true autocommit", "true");

        

      	// load the DB2 Driver

        // Class.forName("com.ibm.db2.jcc.DB2Driver");	        

        Session session = getSession();

		AgentContext agentContext = session.getAgentContext();

		

		// (Your code goes here) 

		Database database = agentContext.getCurrentDatabase();



		DriverManager.registerDriver(new com.ibm.db2.jdbc.app.DB2Driver());

		String url="jdbc:db2:SPD";

		Connection dbConnect = DriverManager.getConnection(url, properties);

		Statement stmt = dbConnect.createStatement();

		System.out.println("Statement Done");

		// Execute Query



		ResultSet rs = stmt.executeQuery("SELECT * FROM RDB.images WHERE image_id='TEST'");

		System.out.println("ResultSet Defined");

Any idea what it could be