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Details

Type: Bug
Resolution: Fixed
Priority: Medium
Fix Version/s: 6.4.3
Affects Version/s: 5.10.8, 6.0.6, 6.2.3
Component/s: Content - Attachments
Labels:
- aspose
- l1l2
- loyalty

Support reference count:
15
Symptom Severity:
Severity 1 - Critical
UIS:
36
Bug Fix Policy:
View Atlassian Server bug fix policy

Description

Summary

Uploading some XLSX files to Confluence can cause OutOfMemory error while generating preview.

Steps to Reproduce

Upload with 700x40 XLSX file to Confluence
Open file in preview window

Expected Results

Preview generated or "Not possible to preview" showed.

Actual Results

Confluence became unresponsive.
The below exception is thrown in the catalina.out file:

22-Feb-2017 16:41:32.141 SEVERE [http-nio-8081-ClientPoller-0] org.apache.tomcat.util.net.NioEndpoint$Poller.run
 java.lang.OutOfMemoryError: Java heap space
        at java.util.Collections$UnmodifiableCollection.iterator(Collections.java:1038)
        at org.apache.tomcat.util.net.NioEndpoint$Poller.timeout(NioEndpoint.java:1287)
        at org.apache.tomcat.util.net.NioEndpoint$Poller.run(NioEndpoint.java:1094)
        at java.lang.Thread.run(Thread.java:745)

The below exception is thrown in the atlassian-confluence.log:

2017-02-22 16:41:35,731 ERROR [conversion-thread-0] [plugins.conversion.impl.TimeoutConversionRunnable] run Cannot convert. Execution error:
 -- url: /display/DEMO/NEW+XLS+test | page: 917505 | traceId: 4ecd169c1d90bb85 | userName: admin | referer: http://ec2-54-229-125-162.eu-west-1.compute.amazonaws.com:8081/ | action: viewpage
java.lang.OutOfMemoryError: Java heap space
        at com.aspose.cells.zth.b(Unknown Source)
        at com.aspose.cells.zth.a(Unknown Source)
        at com.aspose.cells.zth.a(Unknown Source)
        at com.aspose.cells.zth.a(Unknown Source)
        at com.aspose.cells.zth.a(Unknown Source)
        at com.aspose.cells.zbwm.a(Unknown Source)
        at com.aspose.cells.SheetRender.<init>(Unknown Source)
        at com.atlassian.plugins.conversion.convert.image.CellsConverter.generateThumbnailDirect(CellsConverter.java:102)
        at com.atlassian.confluence.plugins.conversion.impl.runnable.JVMConversionRunnable.generateThumbnail(JVMConversionRunnable.java:109)
        at com.atlassian.confluence.plugins.conversion.impl.runnable.JVMConversionRunnable.doWork(JVMConversionRunnable.java:77)
        at com.atlassian.confluence.plugins.conversion.impl.runnable.ConversionRunnable.run(ConversionRunnable.java:36)
        at com.atlassian.confluence.plugins.conversion.impl.runnable.JVMConversionRunnable.run(JVMConversionRunnable.java:22)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)

Heap Dump Analysis

Workaround

Upgrade the Document Conversion add-on with the latest version, below

Download the right document-conversion-library-x.x.xx.jar

Confluence version Document Library Version

6.0 - 6.4 Document conversion 1.2.25 (mirror)

after 6.4
Document conversion 2.0.2.1