<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=EN-US link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello, I am trying to retrieve information about the User logged into the webapp via keycloak. I have seen around information on using the following;</p><p class=MsoNormal><o:p> </o:p></p><pre><b><i><span style='color:#44546A'>@SecurityDomain("keycloak")</span></i></b><span style='color:#44546A'><o:p></o:p></span></pre><p class=MsoNormal><o:p> </o:p></p><div><pre style='background:#EEEEEE'><span class=lit><b><i><span style='font-family:Consolas;color:#44546A;border:none windowtext 1.0pt;padding:0in;background:#EEEEEE'>@Context</span></i></b></span><span class=pln><b><i><span style='font-family:Consolas;color:#44546A;border:none windowtext 1.0pt;padding:0in;background:#EEEEEE'><o:p></o:p></span></i></b></span></pre><pre style='background:#EEEEEE'><span class=typ><b><i><span style='font-family:Consolas;color:#44546A;border:none windowtext 1.0pt;padding:0in;background:#EEEEEE'>SecurityContext</span></i></b></span><span class=pln><b><i><span style='font-family:Consolas;color:#44546A;border:none windowtext 1.0pt;padding:0in;background:#EEEEEE'> sc</span></i></b></span><span class=pun><b><i><span style='font-family:Consolas;color:#44546A;border:none windowtext 1.0pt;padding:0in;background:#EEEEEE'>;</span></i></b></span><b><i><span style='font-family:Consolas;color:#44546A;border:none windowtext 1.0pt;padding:0in;background:#EEEEEE'><o:p></o:p></span></i></b></pre></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>And </p><pre><b><i><span style='color:#44546A'>KeycloakPrincipal principal = (KeycloakPrincipal) sc.getUserPrincipal();<o:p></o:p></span></i></b></pre><pre><b><i><span style='color:#44546A'><o:p> </o:p></span></i></b></pre><pre><b><i><span style='color:#44546A'><o:p> </o:p></span></i></b></pre><pre><b><i><span style='color:#44546A'><o:p> </o:p></span></i></b></pre><p class=MsoNormal><b>But the above line is returning a NullPointerException</b><b><span style='font-size:12.0pt'>.<o:p></o:p></span></b></p><pre><b><i><span style='color:black'><o:p> </o:p></span></i></b></pre><p><span style='font-family:"Calibri",sans-serif;color:black'>I must say, I have already done the required configuration; as in </span>enabling the Keycloak Subsystem within my app server's server configuration:<span class=apple-converted-space> </span><code><span style='font-size:11.0pt'>standalone.xml</span></code>.<span style='font-size:10.0pt'><o:p></o:p></span></p><p class=MsoNormal>Please any lead on how to retrieve the logged in User via KeyCloak?</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div></body></html>