When we are trying to make api calls to bamboo we get the following response
curl -k 'https://bambooxxxxxxx/rest/api/latest/deploy/project/all' -u username:password
<html>
<head>
<title>Internal server error</title>
<meta name="decorator" content="install" />
</head>
<body>
<h1>Internal server error</h1>
<h4>Go to...</h4>
<ul>
<li><a href="/">Site homepage</a></li>
</ul>
A system error has occurred - our apologies!
<p>
Please create a problem report on our <b>support system</b> at <a href="https://support.atlassian.com/contact/">https://support.atlassian.com</a> with the following information:
<ol class="standard">
<li>a description of your problem and what you were doing at the time it occurred
<li>cut & paste the error and system information found below
<li>attach the <strong>atlassian-bamboo.log</strong> log file found in your application home.
</ol>
We will respond as promptly as possible.<br/>Thank you!
</p>
<p>
<b>Version:</b> 6.9.1<br>
<b>Build:</b> 60910<br>
<b>Build Date:</b> 04 Jun 2019
</p>
<h4>Request information:</h4>
<ul class="standard">
<li>Request URL: https://bambooxxxxxx/500.action</li>
<li>Scheme: https</li>
<li>Server: bamboo-corp.ews.int</li>
<li>Port: 443</li>
<li>URI: /500.action</li>
<li>Context path: </li>
<li>Servlet path: /500.action</li>
<li>Path info: </li>
<li>Query string: </li>
</ul>
<p>
<b>Stack Trace:</b>
java.lang.IllegalStateException: XSRF: A mutative operation was attempted on InternalMembership within a non-mutative HTTP request: https://bambooxxxxx/rest/api/latest/deploy/ : [null]->
->[[386695185, 328237456, GROUP_USER, GROUP, KeyLight_Access, keylight_access, , 2021-01-21 11:20:59.162, com.atlassian.crowd.model.directory.DirectoryImpl$HibernateProxy$xJR7flyF@4db106e7[lowerName=crowd repository,description=