Enter Views > XML in Issues Navigator page ,there is a error showed like this:
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 'getCustomFieldXML' in class com.atlassian.jira.issue.views.IssueXMLView threw exception java.lang.NoSuchMethodError: com.atlassian.jira.security.JiraAuthenticationContext.getUser()Lcom/opensymphony/user/User; at templates/plugins/issueviews/single-xml.vm[line 198, column 30] at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:351) at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:284) at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:262) at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:342) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) at org.apache.velocity.runtime.directive.Foreach.performIteration(Foreach.java:393) at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:316) at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175) at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72) at
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