"500 - Internal server error" while trying to view an attachment
Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.
Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Problem
Complications in previewing attachments in Confluence such as PDF and PowerPoint files with the error:
pageId : 42863378
fileName : Testpowerpointfile.pptx
caused by: java.lang.RuntimeException: Error rendering template for decorator root
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:191)
caused by: java.lang.RuntimeException: Error rendering template for decorator page
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:191)
caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'replace' in class java.lang.String threw exception java.lang.NullPointerException at /originaltheme/templates/decorators/includes/velocity-macros.vm[line 229, column 47]
at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:337)
caused by: java.lang.NullPointerException
at java.lang.String.replace(Unknown Source)The following appears in the atlassian-confluence.log
2015-07-21 11:16:39,747 ERROR [ajp-bio-127.0.0.1-7990-exec-48] [atlassian.confluence.servlet.ConfluenceServletDispatcher] sendError Could not execute action
-- url: /pages/worddav/preview.action | userName: kh280 | referer: https://ruterwiki.ruter.no/pages/viewpageattachments.action?pageId=44566815
java.lang.RuntimeException: Error rendering template for decorator root
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:191)
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
at org.apache.velocity.Template.merge(Template.java:328)
at org.apache.velocity.Template.merge(Template.java:235)
at com.opensymphony.webwork.dispatcher.VelocityResult.doExecute(VelocityResult.java:91)
at com.atlassian.xwork.results.ProfiledVelocityResult.doExecute(ProfiledVelocityResult.java:21)
at com.atlassian.confluence.setup.webwork.EncodingVelocityResult.doExecute(EncodingVelocityResult.java:48)
Caused by: java.lang.RuntimeException: Error rendering template for decorator page
at com.atlassian.confluence.setup.velocity.ApplyDecoratorDirective.render(ApplyDecoratorDirective.java:191)
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
Caused by: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'replace' in class java.lang.String threw exception java.lang.NullPointerException at /originaltheme/templates/decorators/includes/velocity-macros.vm[line 229, column 47]
at org.apache.velocity.runtime.parser.node.ASTMethod.handleInvocationException(ASTMethod.java:337)
at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:284)
Caused by: java.lang.NullPointerException
at java.lang.String.replace(Unknown Source)
at sun.reflect.GeneratedMethodAccessor6307.invoke(Unknown Source)
Diagnosis
Environment
The line from the logs:
/originaltheme/templates/decorators/includes/velocity-macros.vmIndicates that you have RefinedWiki Original Theme installed in your instance
Cause
This is a know bug from RefinedWiki Original Theme:
Resolution
Make sure you have the plugin up to date. see Managing Add-ons or Plugins to manage all your third party plugins.