Search causing system error due to Confluence Awesome Search plugin being incompatible with Confluence 5.2.3 and above
Symptoms
The Confluence Awesome Search plugin loads, but with the following ERROR in the atlassian-confluence.log:
2013-08-20 14:49:53,157 ERROR [pool-10-thread-4] [confluence.plugin.descriptor.AbstractExtractorModuleDescriptor] createModule Plugin module com.atlassian.confluence.plugins.awesomesearch:learningExtractor is incompatible with this version of Confluence. You will need to upgrade to a newer version of the Confluence Awesome Search plugin.
java.lang.NoClassDefFoundError: org/apache/lucene/document/Fieldable
-- referer: BASE_URL/plugins/servlet/upm | url: CONTEXT_PATH/rest/plugins/1.0/ | userName: XXXXXWhen searching for a term that exists in the index, a System Error page is produced, showing a NullPointerException raised by the dosearchsite action. The following appears in the atlassian-confluence.log:
2013-08-20 14:57:01,054 ERROR [http-10523-6] [atlassian.confluence.servlet.ConfluenceServletDispatcher] sendError Could not execute action
-- url: CONTEXT_PATH/dosearchsite.action | userName: admin | referer: BASE_URL/display/SPACEKEY/PAGENAME
java.lang.NullPointerException
at com.atlassian.confluence.plugins.awesomesearch.LearningBoostingStrategy.boost(LearningBoostingStrategy.java:33)
at com.atlassian.confluence.plugins.search.boosting.PluggableBoostingStrategy.boost(PluggableBoostingStrategy.java:62)
at com.atlassian.confluence.plugins.search.boosting.BoostingQuery$BoostingQueryScorer.score(BoostingQuery.java:153)
at org.apache.lucene.search.TopScoreDocCollector$InOrderTopScoreDocCollector.collect(TopScoreDocCollector.java:47)
at org.apache.lucene.search.Scorer.score(Scorer.java:65)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:612)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:297)
at com.atlassian.confluence.plugins.search.LuceneSearcher$1.perform(LuceneSearcher.java:82)
at com.atlassian.bonnie.LuceneConnection.withSearch(LuceneConnection.java:201)
...snip...Cause
The Confluence Awesome Search plugin is not compatible with the new upgrade of Lucene in Confluence 5.2.3 and above.
Resolution
Remove or disable the Confluence Awesome Search plugin
With 5.2.3 came improvements to the search algorithm, which may be an adequate replacement for Confluence Awesome Search for you. See the Confluence 5.2 Release Notes for details.
Last modified on Mar 30, 2016
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