After upgrading from AEM 6.0 or 6.1 to AEM 6.3 or 6.4 version, the following error appears in the logs.
22.05.2018 16:48:19.289 *WARN* [async-index-update-async] org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor Failed to index the node [/home/users/a/admin/.tokens/2018-05-22T16.11.10.600-05.00] java.lang.IllegalArgumentException: A SPI class of type org.apache.lucene.codecs.Codec with name 'Lucene3x' does not exist. You need to add the corresponding JAR file supporting this SPI to your classpath.The current classpath supports the following names: [Lucene40, Lucene41, Lucene42, Lucene45, Lucene46, oakCodec] at org.apache.lucene.util.NamedSPILoader.lookup(NamedSPILoader.java:109) at org.apache.lucene.codecs.Codec.forName(Codec.java:95) at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:370) at org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:404) at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:843) at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:694) at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:400) at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:746) at org.apache.jackrabbit.oak.plugins.index.lucene.writer.DefaultIndexWriter.getWriter(DefaultIndexWriter.java:164) at org.apache.jackrabbit.oak.plugins.index.lucene.writer.DefaultIndexWriter.updateDocument(DefaultIndexWriter.java:92) at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor.addOrUpdate(LuceneIndexEditor.java:250) at org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexEditor.leave(LuceneIndexEditor.java:140) at org.apache.jackrabbit.oak.spi.commit.CompositeEditor.leave(CompositeEditor.java:74) at org.apache.jackrabbit.oak.spi.commit.VisibleEditor.leave(VisibleEditor.java:63) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeAdded(EditorDiff.java:130) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:500) at org.apache.jackrabbit.oak.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:608) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148) at org.apache.jackrabbit.oak.segment.MapRecord$2.childNodeChanged(MapRecord.java:401) at org.apache.jackrabbit.oak.segment.MapRecord$3.childNodeChanged(MapRecord.java:442) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:490) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:433) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:391) at org.apache.jackrabbit.oak.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:608) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148) at org.apache.jackrabbit.oak.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:555) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148) at org.apache.jackrabbit.oak.segment.MapRecord$2.childNodeChanged(MapRecord.java:401) at org.apache.jackrabbit.oak.segment.MapRecord$3.childNodeChanged(MapRecord.java:442) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:490) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:433) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:391) at org.apache.jackrabbit.oak.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:608) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:415) at org.apache.jackrabbit.oak.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:608) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.childNodeChanged(EditorDiff.java:148) at org.apache.jackrabbit.oak.segment.MapRecord$2.childNodeChanged(MapRecord.java:401) at org.apache.jackrabbit.oak.segment.MapRecord$3.childNodeChanged(MapRecord.java:442) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:490) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:433) at org.apache.jackrabbit.oak.segment.MapRecord.compare(MapRecord.java:391) at org.apache.jackrabbit.oak.segment.SegmentNodeState.compareAgainstBaseState(SegmentNodeState.java:608) at org.apache.jackrabbit.oak.spi.commit.EditorDiff.process(EditorDiff.java:52) at org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.updateIndex(AsyncIndexUpdate.java:695) at org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.runWhenPermitted(AsyncIndexUpdate.java:543) at org.apache.jackrabbit.oak.plugins.index.AsyncIndexUpdate.run(AsyncIndexUpdate.java:402) at org.apache.sling.commons.scheduler.impl.QuartzJobExecutor.execute(QuartzJobExecutor.java:118) at org.quartz.core.JobRunShell.run(JobRunShell.java:202) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
AEM 6.0 or 6.1 upgrade to 6.3 or 6.4
The AEM upgrade does not update the index definition automatically.
Indexing does not take many hours. However, it is required for the successful upgrade.
** Thanks to Charu Jain for assisting Adobe in identifying this product issue.
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