With IBM JDK 1.6 the test testJBossQL fails with this message:
Expected: SELECT t0_o1.ORDER_NUMBER FROM ORDER_DATA t0_o1, ORDER_DATA t3_o2, CUSTOMEREJB t2_o2_customer, CUSTOMEREJB t1_o1_customer WHERE (( NOT (t1_o1_customer.id=t2_o2_customer.id)) AND (t0_o1.CC_TYPE=t3_o2.CC_TYPE AND t0_o1.CC_FIRST_NAME=t3_o2.CC_FIRST_NAME AND t0_o1.CC_MI=t3_o2.CC_MI AND t0_o1.CC_LAST_NAME=t3_o2.CC_LAST_NAME AND t0_o1.CC_BILLING_ZIP=t3_o2.CC_BILLING_ZIP AND t0_o1.CC_CARD_NUMBER=t3_o2.CC_CARD_NUMBER) AND t3_o2.customer=t2_o2_customer.id AND t0_o1.customer=t1_o1_customer.id) but got: SELECT t0_o1.ORDER_NUMBER FROM ORDER_DATA t0_o1, ORDER_DATA t3_o2, CUSTOMEREJB t1_o1_customer, CUSTOMEREJB t2_o2_customer WHERE (( NOT (t1_o1_customer.id=t2_o2_customer.id)) AND (t0_o1.CC_TYPE=t3_o2.CC_TYPE AND t0_o1.CC_FIRST_NAME=t3_o2.CC_FIRST_NAME AND t0_o1.CC_MI=t3_o2.CC_MI AND t0_o1.CC_LAST_NAME=t3_o2.CC_LAST_NAME AND t0_o1.CC_BILLING_ZIP=t3_o2.CC_BILLING_ZIP AND t0_o1.CC_CARD_NUMBER=t3_o2.CC_CARD_NUMBER) AND t0_o1.customer=t1_o1_customer.id AND t3_o2.customer=t2_o2_customer.id)
junit.framework.AssertionFailedError: Expected: SELECT t0_o1.ORDER_NUMBER FROM ORDER_DATA t0_o1, ORDER_DATA t3_o2, CUSTOMEREJB t2_o2_customer, CUSTOMEREJB t1_o1_customer WHERE (( NOT (t1_o1_customer.id=t2_o2_customer.id)) AND (t0_o1.CC_TYPE=t3_o2.CC_TYPE AND t0_o1.CC_FIRST_NAME=t3_o2.CC_FIRST_NAME AND t0_o1.CC_MI=t3_o2.CC_MI AND t0_o1.CC_LAST_NAME=t3_o2.CC_LAST_NAME AND t0_o1.CC_BILLING_ZIP=t3_o2.CC_BILLING_ZIP AND t0_o1.CC_CARD_NUMBER=t3_o2.CC_CARD_NUMBER) AND t3_o2.customer=t2_o2_customer.id AND t0_o1.customer=t1_o1_customer.id) but got: SELECT t0_o1.ORDER_NUMBER FROM ORDER_DATA t0_o1, ORDER_DATA t3_o2, CUSTOMEREJB t1_o1_customer, CUSTOMEREJB t2_o2_customer WHERE (( NOT (t1_o1_customer.id=t2_o2_customer.id)) AND (t0_o1.CC_TYPE=t3_o2.CC_TYPE AND t0_o1.CC_FIRST_NAME=t3_o2.CC_FIRST_NAME AND t0_o1.CC_MI=t3_o2.CC_MI AND t0_o1.CC_LAST_NAME=t3_o2.CC_LAST_NAME AND t0_o1.CC_BILLING_ZIP=t3_o2.CC_BILLING_ZIP AND t0_o1.CC_CARD_NUMBER=t3_o2.CC_CARD_NUMBER) AND t0_o1.customer=t1_o1_customer.id AND t3_o2.customer=t2_o2_customer.id)
at org.jboss.test.cmp2.commerce.QueryTest.testJBossQL(QueryTest.java:169)
at org.jboss.test.util.ejb.EJBTestCase.runBare(EJBTestCase.java:214)
at org.jboss.test.util.ejb.EJBTestRunnerBean.runTestCase(EJBTestRunnerBean.java:202)
at org.jboss.test.util.ejb.EJBTestRunnerBean.run(EJBTestRunnerBean.java:107)
at org.jboss.test.util.ejb.EJBTestRunnerBean.run(EJBTestRunnerBean.java:85)
at org.jboss.invocation.Invocation.performCall(Invocation.java:386)
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:228)
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:156)
at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)
at org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:173)
at org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:77)
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:173)
at org.jboss.ejb.plugins.SecurityInterceptor.process(SecurityInterceptor.java:228)
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:211)
at org.jboss.ejb.plugins.security.PreSecurityInterceptor.process(PreSecurityInterceptor.java:97)
at org.jboss.ejb.plugins.security.PreSecurityInterceptor.invoke(PreSecurityInterceptor.java:81)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138)
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:650)
at org.jboss.ejb.Container.invoke(Container.java:1029)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
at org.jboss.invocation.unified.server.UnifiedInvoker.invoke(UnifiedInvoker.java:232)
at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:891)
at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:744)
at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:697)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:551)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:232)

It's strange that with IBM 1.6 the failure does not happen in that test, but in different - testEJBQL:
expected:<...pc.name = ?))) AND t[0_o.ORDER_NUMBER=t4_l.ORDER_NUMBER AND t6_l_product.id=t5_l_product_productCategories_R.PRODUCT_ID AND t1_pc.id=t5_l_product_productCategories_R.PRODUCT_CATEGORY_ID AND t1_pc.subId=t5_l_product_productCategories_R.PRODUCT_CATEGORY_SUBID AND t4_l.product=t6_l_product.id]> but was:<...pc.name = ?))) AND t[6_l_product.id=t5_l_product_productCategories_R.PRODUCT_ID AND t1_pc.id=t5_l_product_productCategories_R.PRODUCT_CATEGORY_ID AND t1_pc.subId=t5_l_product_productCategories_R.PRODUCT_CATEGORY_SUBID AND t4_l.product=t6_l_product.id AND t0_o.ORDER_NUMBER=t4_l.ORDER_NUMBER]>
junit.framework.ComparisonFailure: expected:<...pc.name = ?))) AND t[0_o.ORDER_NUMBER=t4_l.ORDER_NUMBER AND t6_l_product.id=t5_l_product_productCategories_R.PRODUCT_ID AND t1_pc.id=t5_l_product_productCategories_R.PRODUCT_CATEGORY_ID AND t1_pc.subId=t5_l_product_productCategories_R.PRODUCT_CATEGORY_SUBID AND t4_l.product=t6_l_product.id]> but was:<...pc.name = ?))) AND t[6_l_product.id=t5_l_product_productCategories_R.PRODUCT_ID AND t1_pc.id=t5_l_product_productCategories_R.PRODUCT_CATEGORY_ID AND t1_pc.subId=t5_l_product_productCategories_R.PRODUCT_CATEGORY_SUBID AND t4_l.product=t6_l_product.id AND t0_o.ORDER_NUMBER=t4_l.ORDER_NUMBER]>
at org.jboss.test.cmp2.commerce.QueryTest.testEJBQL(QueryTest.java:329)
at org.jboss.test.util.ejb.EJBTestCase.runBare(EJBTestCase.java:214)
at org.jboss.test.util.ejb.EJBTestRunnerBean.runTestCase(EJBTestRunnerBean.java:202)
at org.jboss.test.util.ejb.EJBTestRunnerBean.run(EJBTestRunnerBean.java:107)
at org.jboss.test.util.ejb.EJBTestRunnerBean.run(EJBTestRunnerBean.java:85)
at org.jboss.invocation.Invocation.performCall(Invocation.java:386)
at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:228)
at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:156)
at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)
at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)
at org.jboss.ejb.plugins.AbstractTxInterceptorBMT.invokeNext(AbstractTxInterceptorBMT.java:173)
at org.jboss.ejb.plugins.TxInterceptorBMT.invoke(TxInterceptorBMT.java:77)
at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:173)
at org.jboss.ejb.plugins.SecurityInterceptor.process(SecurityInterceptor.java:228)
at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:211)
at org.jboss.ejb.plugins.security.PreSecurityInterceptor.process(PreSecurityInterceptor.java:97)
at org.jboss.ejb.plugins.security.PreSecurityInterceptor.invoke(PreSecurityInterceptor.java:81)
at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:138)
at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:650)
at org.jboss.ejb.Container.invoke(Container.java:1029)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:193)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
at org.jboss.invocation.unified.server.UnifiedInvoker.invoke(UnifiedInvoker.java:232)
at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:891)
at org.jboss.remoting.transport.socket.ServerThread.completeInvocation(ServerThread.java:744)
at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:697)
at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:551)
at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:232)