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via XWiki.org JIRA by Vincent Massol, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at com.xpn.xwiki.plugin.lucene.IndexUpdater.addToIndex(IndexUpdater.java:377)	at com.xpn.xwiki.plugin.lucene.IndexUpdater.run(IndexUpdater.java:205)	at java.lang.Thread.run(Thread.java:619)