View issue blows up when crowd enabled and connection down

An error occurred whilst rendering this message. Please contact the administrators, and inform them of this bug. 
Details: ------- org.apache.velocity.exception.MethodInvocationException: Invocation of method 'getAssigneeDisplayHtml' in class 
com.atlassian.jira.web.component.issuesummary.IssueSummaryWebComponent threw exception class org.codehaus.xfire.XFireRuntimeException : Could not invoke service.. 
Nested exception is org.codehaus.xfire.fault.XFireFault: Server returned error code = 503 for URI : http://atlassian10.private:8080/crowd/services/SecurityServer.
 Check server logs for details at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:246) at 
org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:175) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:220) at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:55) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:70) at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:55) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:70) at 
org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:55) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:70) at
org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:230) at org.apache.velocity.Template.merge(Template.java:256) at 
org.apache.velocity.app.VelocityEngine.mergeTemplate(VelocityEngine.java:450) at com.atlassian.velocity.DefaultVelocityManager.getEncodedBody(DefaultVelocityManager.java:77) at 
com.atlassian.velocity.DefaultVelocityManager.getEncodedBody(DefaultVelocityManager.java:61) at com.atlassian.velocity.DefaultVelocityManager.getEncodedBody(DefaultVelocityManager.java:56) 
at com.atlassian.jira.web.component.AbstractWebComponent.getHtml(AbstractWebComponent.java:33) at 
com.atlassian.jira.web.component.issuesummary.IssueSummaryWebComponent.getHtml(IssueSummaryWebComponent.java:74) at 
org.apache.jsp.decorators.issuesummary_jsp._jspService(issuesummary_jsp.java:384) at