[#VISIB-27] Confluence crashes when trying to save a page that uses {show-to:group}

Confluence Extension: Visibility Plugin

Confluence crashes when trying to save a page that uses {show-to:group}

Created: 25/Oct/07 10:07 PM Updated: 15/Nov/07 06:54 AM

Component/s:

{show-to}

Affects Version/s:

1.5

Fix Version/s:

None

Time Tracking:

Not Specified

File Attachments:	1. catalina.out (39 kB) 2. confluence_screen.txt (11 kB) 3. LinkParserHelper.class (4 kB) 4. stack_trace.txt (22 kB)
Environment:	Confluence 2.6

Description

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When trying to edit and save a page that uses the {show-to:group=my-groups} macro, Confluence dies. If I use just plain ol {show-to} (which I understand wouldn't really do anything) it appears to work.

Stack Trace:

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Comments

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David Peterson added a comment - 26/Oct/07 03:31 AM - edited

I've replicated this issue. There is a bug in Confluence where macros which return null from the 'getBodyRenderMode()' method (which is quite legitimiate, and in fact the only way to get certain types of rendering happening) throw a NullPointerException, which triggers the exception shown to the user. It has been fixed for Confluence 2.6.1, which is imminent.

In the meantime, I'm attaching a fixed class file (LinkParserHelper.class) which needs to be put in the following location in your Confluence home directory:

/confluence/WEB-INF/classes/com/atlassian/confluence/links

You will have to create the 'links' directory.

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David Peterson added a comment - 26/Oct/07 03:32 AM

Attached a fixed LinkParserHelper class file. Confluence should be restarted after putting this file in '/confluence/WEB-INF/com/atlassian/confluence/links'.

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sjungling@csuchico.edu added a comment - 26/Oct/07 04:37 PM

I installed the patched class as instructed (creating the directory 'links' and saving the file in there). Restarted (a few times) and still ended up with Confluence throwing an error. Attached is the latest from Catalina. I'm not sure if this would have an effect, but I'm running the standalone version of Confluence. Appreciate the help!

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David Peterson added a comment - 27/Oct/07 01:38 AM

Hi Scott,

The NullPointerException is exactly what the patched class file is supposed to fix. I just noticed my earlier comment was incorrect - the path should be this:

/confluence/WEB-INF/classes/com/atlassian/confluence/links

Note the extra 'confluence' in there. Sorry about that...I'll edit my previous comment to clarify things for other.

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sjungling@csuchico.edu added a comment - 30/Oct/07 03:39 PM

Hi David,

Ahhh, that did the trick! Thank you very much for all your help.

Scott

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David Peterson added a comment - 15/Nov/07 06:54 AM

Closing as 'Won't Fix' as this is technically a Confluence bug, which is resolved in Confluence 2.6.1, now available.