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j_security_check returning 400 error
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created by <a href="https://community.jboss.org/people/tuishimi">tuishimi</a> in <i>Beginner's Corner</i> - <a href="https://community.jboss.org/message/730368#730368">View the full discussion</a>
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<div class="jive-rendered-content"><p>I think this all began when our login process was changed because we use a CM for our home page (and various other pages).</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Basically what is happening is people are bookmarking our login page.  To get there you go through protected pages/actions (our login is loginBounce.do from the home page, for example).  The url rewrite filter checks for http/https and switches context, pushing to another page which loads the final action which simply displays the login form JSP.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>If you follow that process and log in, it works.  When users bookmark that final page/form and submit it we get a 400 error.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>My head is spinning looking through all the redirect xml files, login-config, rewrites, web... etc.  I have no idea what is going on here and what process it (JBOSS 4.x) is going through and how we end up with a BAD REQUEST error.  The login page itself is the standard j_username/j_password deal...</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It seems like (to me) that somewhere in all the filters something is being altered, lost, dropped ... I don't know.  But I am going crazy trying to figure it out.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I guess what I want to know is what could cause j_security_check to return a 400 error?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thank you!</p></div>
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