ORACLE Workflow Configuration Assistant 配置报错

WINDOW操作系统，ORACLE11G
配置Workflow 过程老是提示连接错误，连接串：localhost:1521 rcltest
错误日志如下：
Workflow Configuration Assistant 2.6.4.0.0 - Windows Server 2008
WFCA Version: : WorkflowCA.java 26.106 2005/06/29 04:33
WorkflowCA: 
WorkflowCA: 正在进行工作流配置...
WorkflowCA: Thu Apr 30 17:44:17 CST 2015
WorkflowCA: 
WorkflowCA: Screen width -1280-, screen height -800-
WorkflowCA: 
WorkflowCA: 图形用户界面模式
WorkflowCA: 
WorkflowCA: 
WorkflowCA: 开始测试连接, 这需要不到 3 分钟的时间。
WorkflowCA: 
WorkflowCA: 为以下操作进行帐户连接测试: SYS
WorkflowCA: SYS 帐户连接成功。
WorkflowCA: 内嵌的 Workflow 检查已成功完成
WorkflowCA: 工作流方案已存在, Workflow Configuration Assistant 将升级现有的方案。
WorkflowCA: 
WorkflowCA: 为以下操作进行帐户连接测试: 工作流
WorkflowCA: 无法连接到jdbc racle:thin:@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=orcltest)))
java.lang.Exception: Invalid connection
        at oracle.apps.fnd.wf.install.db.WorkflowCA.createJDBCConnection(WorkflowCA.java:4812)
        at oracle.apps.fnd.wf.install.db.WorkflowCA.createWFConnection(WorkflowCA.java:4881)
        at oracle.apps.fnd.wf.install.db.WorkflowCA.schemaCreation(WorkflowCA.java:1139)
        at oracle.apps.fnd.wf.install.db.WfFrame.actionPerformed(WfFrame.java:2051)
        at oracle.ewt.button.PushButton.processActionEvent(Unknown Source)
        at oracle.ewt.lwAWT.LWButton.processActionEvent(Unknown Source)
        at oracle.ewt.button.PushButton.processEventImpl(Unknown Source)
        at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)
        at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)
        at oracle.ewt.button.PushButton.activate(Unknown Source)
        at oracle.ewt.lwAWT.AbstractButton.processMouseReleased(Unknown Source)
        at oracle.ewt.lwAWT.AbstractButton.processMouseEvent(Unknown Source)
        at java.awt.Component.processEvent(Component.java:5282)
        at java.awt.Container.processEvent(Container.java:1966)
        at oracle.ewt.lwAWT.LWComponent.processEventImpl(Unknown Source)
        at oracle.ewt.button.PushButton.processEventImpl(Unknown Source)
        at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)
        at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
WorkflowCA: Thu Apr 30 17:44:50 CST 2015
WorkflowCA: java.lang.Exception: Invalid connection (4)
WorkflowCA: Terminating...