Sometimes a user can experience [problems indexing large MSExcel or MSPowerPoint documents] and the reindexing may cause potential Unknown Ptg warning messages that are harmless. There is already a request to [Suppress these warnings] from the re-indexing of unreadable documents by the POI library.
The error is usually not serious yet can sometimes cause problems when large attachments are used. So you may like to disable indexing of a particular type of document.
To do this, you need to modify the confluence\WEB-INF\classes\plugins\attachment-extractors.xml and comment out the relevant file type extractor .
The example below shows a pdfContentExtractor disabled which would cause PDF attachments not to be indexed.
 |
Once the ContentExtractor for a file type is disabled, all files of that type become unsearchable. |
<atlassian-plugin name='Attachment Extractors' key='confluence.extractors.attachments'>
<plugin-info>
<description>This library extracts searchable text from various attachment types.</description>
<vendor name="Atlassian Software Systems" url="http://www.atlassian.com"/>
<version>1.4</version>
</plugin-info>
<!--
<extractor name="PDF Content Extractor" key="pdfContentExtractor" class="com.atlassian.bonnie.search.extractor.PdfContentExtractor" priority="1100">
<description>Indexes contents of PDF files</description>
</extractor>
-->
<extractor name="MS Word Content Extractor" key="msWordContentExtractor" class="com.atlassian.bonnie.search.extractor.MsWordContentExtractor" priority="1100">
<description>Indexes contents of Microsoft Word files</description>
</extractor>
<extractor name="MS Excel Content Extractor" key="msExcelContentExtractor" class="com.atlassian.bonnie.search.extractor.MsExcelContentExtractor" priority="1100">
<description>Indexes contents of Microsoft Excel files</description>
</extractor>
<extractor name="MS PowerPoint Content Extractor" key="msPowerpointContentExtractor" class="com.atlassian.bonnie.search.extractor.MsPowerpointContentExtractor" priority="1100">
<description>Indexes contents of Microsoft PowerPoint files</description>
</extractor>
</atlassian-plugin>
