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Posted to issues@lucene.apache.org by "Christine Poerschke (Jira)" <ji...@apache.org> on 2020/09/02 16:43:00 UTC
[jira] [Commented] (SOLR-12239) Enabling index sorting causes
"segment not sorted with indexSort=null"
[ https://issues.apache.org/jira/browse/SOLR-12239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189370#comment-17189370 ]
Christine Poerschke commented on SOLR-12239:
--------------------------------------------
ticket cross-referencing: might LUCENE-9484 solve the issue here?
> Enabling index sorting causes "segment not sorted with indexSort=null"
> ----------------------------------------------------------------------
>
> Key: SOLR-12239
> URL: https://issues.apache.org/jira/browse/SOLR-12239
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 7.1
> Reporter: Ishan Chattopadhyaya
> Priority: Major
>
> When index sorting is enabled on an existing collection/index (using SortingMergePolicy), the collection reload causes the following exception:
> {code}
> java.util.concurrent.ExecutionException: org.apache.solr.common.SolrException: Unable to create core [mycoll_shard1_replica_n1]
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at org.apache.solr.core.CoreContainer.lambda$load$14(CoreContainer.java:671)
> at com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:188)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.solr.common.SolrException: Unable to create core [mycoll_shard1_replica_n1]
> at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1045)
> at org.apache.solr.core.CoreContainer.lambda$load$13(CoreContainer.java:642)
> at com.codahale.metrics.InstrumentedExecutorService$InstrumentedCallable.call(InstrumentedExecutorService.java:197)
> ... 5 more
> Caused by: org.apache.solr.common.SolrException: Error opening new searcher
> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:989)
> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:844)
> at org.apache.solr.core.CoreContainer.createFromDescriptor(CoreContainer.java:1029)
> ... 7 more
> Caused by: org.apache.solr.common.SolrException: Error opening new searcher
> at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:2076)
> at org.apache.solr.core.SolrCore.getSearcher(SolrCore.java:2196)
> at org.apache.solr.core.SolrCore.initSearcher(SolrCore.java:1072)
> at org.apache.solr.core.SolrCore.<init>(SolrCore.java:961)
> ... 9 more
> Caused by: org.apache.lucene.index.CorruptIndexException: segment not sorted with indexSort=null (resource=_0(7.1.0):C1)
> at org.apache.lucene.index.IndexWriter.validateIndexSort(IndexWriter.java:1185)
> at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1108)
> at org.apache.solr.update.SolrIndexWriter.<init>(SolrIndexWriter.java:119)
> at org.apache.solr.update.SolrIndexWriter.create(SolrIndexWriter.java:94)
> at org.apache.solr.update.DefaultSolrCoreState.createMainIndexWriter(DefaultSolrCoreState.java:257)
> at org.apache.solr.update.DefaultSolrCoreState.getIndexWriter(DefaultSolrCoreState.java:131)
> at org.apache.solr.core.SolrCore.openNewSearcher(SolrCore.java:2037)
> ... 12 more
> {code}
> This means that the user actually needs to delete the index segments, reload the collection and then re-index. This is bad user experience.
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