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via XWiki.org JIRA by Alexis Moussine-Pouchkine, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at com.xpn.xwiki.plugin.lucene.IndexUpdater.runMainLoop(IndexUpdater.java:236)	at com.xpn.xwiki.plugin.lucene.IndexUpdater.run(IndexUpdater.java:117)	at java.lang.Thread.run(Thread.java:637)