SocialAuthException – Verification code is null

Eccezione lanciata quando nella request a Facebook manca il token restituito nella response della login.

codice di socialAuth che lancia l’SocialAuthException:


@Override<br />  <span style="color: #7f0055; font-weight: normal;"><b>public</b></span> Profile verifyResponse(<span style="color: #7f0055; font-weight: normal;"><b>final</b></span> HttpServletRequest httpReq)<br />      <span style="color: #7f0055; font-weight: normal;"><b>throws</b></span> Exception {<br />    LOG.info(<span style="color: #2a00ff; font-weight: normal;">"Retrieving Access Token in verify response function"</span>);<br />    <span style="color: #7f0055; font-weight: normal;"><b>if</b></span> (httpReq.getParameter(<span style="color: #2a00ff; font-weight: normal;">"error_reason"</span>) != null<br />        &amp;&amp; <span style="color: #2a00ff; font-weight: normal;">"user_denied"</span>.equals(httpReq.getParameter(<span style="color: #2a00ff; font-weight: normal;">"error_reason"</span>))) {<br />      <span style="color: #7f0055; font-weight: normal;"><b>throw</b></span> <span style="color: #7f0055; font-weight: normal;"><b>new</b></span> UserDeniedPermissionException();<br />    }<br />    <span style="color: #7f0055; font-weight: normal;"><b>if</b></span> (!isProviderState()) {<br />      <span style="color: #7f0055; font-weight: normal;"><b>throw</b></span> <span style="color: #7f0055; font-weight: normal;"><b>new</b></span> ProviderStateException();<br />    }<br />    String code = httpReq.getParameter(<span style="color: #2a00ff; font-weight: normal;">"code"</span>);<br />    <span style="color: #7f0055; font-weight: normal;"><b>if</b></span> (code == null || code.length() == 0) {<br />      <span style="color: #7f0055; font-weight: normal;"><b>throw</b></span> <span style="color: #7f0055; font-weight: normal;"><b>new</b></span> <b>SocialAuthException</b>(<span style="color: #2a00ff; font-weight: normal;">"</span><span style="color: #2a00ff;"><b>Verification code is null</b></span><span style="color: #2a00ff; font-weight: normal;">"</span>);<br />    }
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