Ask a question about the WEB-INF folder inside jsp page between each access should . . .

I use struts2 framework code behind the WEB-INF decentralization , which has two folders , including folders within the A (a, b, c, d) multiple jsp files into the folder A now ; the a.jsp to jump to A b.jsp what page should jump to the configuration , WEB-INF is protected and can not be accessed directly by the path , and do not use servlet, how to do. . . Thank you. . . .
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can let a.jsp to an Action, then let this Action to b.jsp
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tried, but reported this error : No result defined for action com . xzsz.action.StaAction and result success
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OK, get, thank you