Mantis - Resin
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ID: Category: Severity: Reproducibility: Date Submitted: Last Update:
4862 minor random 11-20-11 23:12 11-22-11 10:43
Reporter: wtao Platform:  
Assigned To: ferg OS:  
Priority: normal OS Version:  
Status: closed Product Version: 4.0.22  
Product Build: Resolution: fixed  
Projection: none      
ETA: none Fixed in Version: 4.0.25  
Summary: 0004862: NullPointerException in AbstractCauchoRequest.getUserPrincipal()
Description: NullPointerException in AbstractCauchoRequest.getUserPrincipal()
After looking at the source code which should looks like:

  public Principal getUserPrincipal()
  {
    requestLogin();

    Principal user;
    user = (Principal) getAttribute(AbstractLogin.LOGIN_USER_NAME);

    if (user != null)
      return user;

    WebApp webApp = getWebApp();
    if (webApp == null)
      return null;

    // If the authenticator can find the user, return it.
    Login login = webApp.getLogin();

    if (login != null) {
      user = login.getUserPrincipal(this);

      if (user != null) {
        getResponse().setPrivateCache(true);
      }
      else {
        // server/123h, server/1920
        // distinguishes between setPrivateCache and setPrivateOrResinCache
        // _response.setPrivateOrResinCache(true);
      }
    }

    return user;
  }

Is it possible that the getResponse() return null and cause this?
Steps To Reproduce:
Additional Information: We got this NPE in one of our filter and none of our previous filters on stack trace have wrapped any request/response object.
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