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Created attachment 133517 [details] Stack trace. Exception appeared after updationg of index of Central repository. Previously I stopped that indexing and it started again after restart. java.lang.NullPointerException at org.apache.maven.index.context.DefaultIndexingContext.releaseIndexSearcher(DefaultIndexingContext.java:509) at org.apache.maven.index.context.DefaultIndexingContext.rebuildGroups(DefaultIndexingContext.java:768) at org.apache.maven.index.context.DefaultIndexingContext.replace(DefaultIndexingContext.java:614) at org.apache.maven.index.updater.DefaultIndexUpdater.loadIndexDirectory(DefaultIndexUpdater.java:218) Product Version: NetBeans IDE 7.3.1 (Build 201304152201) Java: 1.7.0_21; Java HotSpot(TM) 64-Bit Server VM 23.21-b01 Runtime: Java(TM) SE Runtime Environment 1.7.0_21-b11 System: Windows 7 version 6.1 running on amd64; Cp1250; en_US (nb)
could have been fixed in trunk by upgrading the maven-indexer library.
can you attach the IDE log as well? the NPE could be caused by some previous failure.
Created attachment 133529 [details] IDE log.
I believe this is caused by the same piece of code in maven-indexer as issue 219645, for some reason closing/deleting of indexes fails and then reopen + recreation of searcher is never done. *** This bug has been marked as a duplicate of bug 219645 ***