Failure to convert PPTX for within page view.

There appears to be certain content within a powerpoint that can cause the converter to fail resulting in the following log. User reports the following on a 2 page PPTX:

step 1 - remove images on both pages

step 2 - remove page 2

step 3 - add images back on page 1

only step 2 (1 page and no images) worked

2012-10-03 16:07:21,018 INFO main com.atlassian.confluence.lifecycle init Confluence is ready to serve

2012-10-03 16:26:01,675 WARN http-8080-10 atlassian.plugin.webresource.DefaultResourceDependencyResolver resolveDependencies Cannot find web resource module for: com.atlassian.jira.gadgets:common

-- referer: | url: /wiki/pages/viewpage.action | userName: louis.x | action: viewpage | page: 4784138

2012-10-03 16:26:46,378 WARN http-8080-2 com.benryan.conversion.PPTSlideServlet doGet Conversion task timed out for attachment : XSolution Concept Overview.pptx with page number 0, waited : 300, now executing in background.

-- url: /wiki/plugins/servlet/pptslide | userName: louis.x | referer:

2012-10-03 16:26:53,371 ERROR DefaultSlideCacheManager:thread-1 com.benryan.conversion.AbstractSlideConversionTask call problem while converting xcmop solution concept overview.pptx

-- url: /wiki/plugins/servlet/pptslide | userName: louis.x | referer:


at com.benryan.pptx.record.AbstractSingleShape.getPredefinedShape(

at com.benryan.escher.EscherRenderer.renderAutoshape(

at com.benryan.escher.EscherRenderer.walkShapes(

at com.benryan.ppt.PptRenderer.render(

at com.benryan.conversion.PPtDocumentConversionTask.convertFile(

at com.benryan.conversion.PPtDocumentConversionTask.convertFile(


at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)

at Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$ Source)

at Source)

4 answers

1 accepted

Perhaps, you are encountering one of these bugs:



Try to save the file as .ppt and see if it makes any difference. It appears that Confluence Office Connector plugin handles .ppt better than .pptx

I followed instructions to clear various cache directories, and that seemed to do the trick.

Please can you provide the link to the instructions you followed

0 vote
Ruchi Tandon Atlassian Team Apr 13, 2014

I guss you are looking for instructions on clearing Confluence caches. Here are the detailed instructions :

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