ognl.OgnlException: target is null for setProperty(null, "adminCode", [Ljava.lang.String;@78cb3b32)

ognl.OgnlException: target is null for setProperty(null, "adminCode", [Ljava.lang.String;@78cb3b32)

<form action="login.action" method="post" id="loginForm">将action值加入路径信息后，如“/aaa/login.action”问题解决。