log.info("testStartXATrans");
if (log != null) log.info("testStartXATrans");
    public void testStartXATrans() throws Exception {                log.info("testStartXATrans");        FBManagedConnectionFactory mcf = initMcf();        ManagedConnection mc = mcf.createManagedConnection(null, null);        FBManagedConnection fbmc = (FBManagedConnection)mc;        XAResource xa = mc.getXAResource();        Xid xid = new XidImpl();        xa.start(xid, XAResource.TMNOFLAGS);        if (fbmc.getIscDBHandle() == null) {            throw new Exception("no db handle after start xid");        }        xa.end(xid, XAResource.TMNOFLAGS);        xa.commit(xid, true);        mc.destroy();    }