Hello everyone, I use the version of Solr-7.7.3.
The following error occurred during the index write phase, but after restarting the Solr service, the file was deleted, and access to the index has also been restored. Has anyone ever encountered this mistake? Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:680) at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:694) at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1613) at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1608) at org.apache.solr.update.DirectUpdateHandler2.updateDocOrDocValues(DirectUpdateHandler2.java:969) at org.apache.solr.update.DirectUpdateHandler2.doNormalUpdate(DirectUpdateHandler2.java:341) at org.apache.solr.update.DirectUpdateHandler2.addDoc0(DirectUpdateHandler2.java:288) at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:235) ... 67 more Caused by: org.apache.lucene.index.CorruptIndexException: checksum failed (hardware problem?) : expected=dd0fcc0f actual=2317b057 (resource=BufferedChecksumIndexInput(_2g_Lucene50_0.tim)) at org.apache.lucene.codecs.CodecUtil.checkFooter(CodecUtil.java:419) at org.apache.lucene.codecs.CodecUtil.checksumEntireFile(CodecUtil.java:526) at org.apache.lucene.codecs.blocktree.BlockTreeTermsReader.checkIntegrity(BlockTreeTermsReader.java:309) at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsReader.checkIntegrity(PerFieldPostingsFormat.java:339) at org.apache.lucene.codecs.perfield.PerFieldMergeState$FilterFieldsProducer.checkIntegrity(PerFieldMergeState.java:271) at org.apache.lucene.codecs.FieldsConsumer.merge(FieldsConsumer.java:96) at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:164) at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:231) at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:116) at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4482) at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4077) at org.apache.solr.update.SolrIndexWriter.merge(SolrIndexWriter.java:224) at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625) at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662) Thanks.