Hi,
First touch with WebWork2. The ActionProxy is a good stuff for unit
testing. However, I got the above error when run a simple action.
What is wrong?
Jirong
---error ----
java.lang.NullPointerException
at
com.opensymphony.webwork.dispatcher.ServletDispatcherResult.doExecute(ServletDispatcherResult.java:52)
at
com.opensymphony.webwork.dispatcher.WebWorkResultSupport.execute(WebWorkResultSupport.java:53)
at
com.opensymphony.xwork.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:269)
at
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:191)
at
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:169)
at
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:169)
at
com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:37)
at
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:169)
at
com.opensymphony.xwork.interceptor.TimerInterceptor.intercept(TimerInterceptor.java:66)
at
com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:169)
at
com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:116)
at acl.web.test.TestUserAction.testFindUser(TestUserAction.java:53)
at acl.web.test.TestUserAction.main(TestUserAction.java:28)
----xwork.xml ----
<action name="findUserAction" class="acl.web.UserAction"
method="findUser">
<result name="success" type="dispatcher">
<param name="location">/test.jsp</param>
</result>
<interceptor-ref name="defaultStack"/>
</action>
------- Action class -------------
public String execute() throws Exception {
return Action.SUCCESS;
}
public String findUser() throws Exception {
String method = "UserAction::findUser(): ";
System.out.println(method + "ENTRY");
ACAdminBD acAdminBD = new ACAdminBD();
HashMap user = acAdminBD.findUser("AdminUser");
//System.out.println(method + "UserID:" + user.get("ID") + "
GroupID:" + user.get("GROUPS"));
userId = (String) user.get("ID");
// ArrayList
groups = (ArrayList) user.get("GROUPS");
System.out.println(method + "userId:" + userId);
System.out.println(method + "EXIT");
return Action.SUCCESS;
}
----- JUnit test case -----
public void testFindUser() throws Exception {
String method = "TestUserActioni::testFindUser(): ";
System.out.println(method + "ENTRY");
ActionProxyFactory factory = ActionProxyFactory.getFactory();
ActionProxy proxy = factory.createActionProxy("", "findUserAction",
null);
if (proxy != null)
System.out.println(method + "proxy is NOT null");
System.out.println(proxy.execute());
UserAction userAction = (UserAction) proxy.getAction();
System.out.println(method + "UserId: " + userAction.getUserId());
System.out.println(method + "EXIT");
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