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this IndexReader is closed this IndexReader is closed at org.apache.lucene.index.IndexReader.ensureOpen( at org.apache.lucene.index.DirectoryReader.document( at org.apache.lucene.index.MultiReader.document( at org.apache.lucene.index.IndexReader.document( at org.apache.maven.index.updater.IndexDataWriter.writeDocuments( at org.apache.maven.index.updater.IndexDataWriter.write( at org.apache.maven.index.packer.DefaultIndexPacker.writeIndexData( at org.apache.maven.index.packer.DefaultIndexPacker.packIndex( at at