Solr search engine doesn't work anymore

Ok I had same problem on my dev server…

Then, I have:

  • “SMQ-P1 : Présentation du processus” missing in search result.
  • I modified this one
  • and now this doc is not missing anymore in search result…

(I have other SMQ-P1 xxx pages with redirection but not for “SMQ-P1 : Présentation du processus”)

I didn’t found interesting logs about it but maybe I must activate debug log in some solr stuff (which one?) ?

When I started my tomcat (without /data/solr directory), I have this error:

2017-10-05 13:34:37,886 [solr/indexer job group daemon thread - org.xwiki.search.solr.internal.job.IndexerJob@3a3d8e15] ERROR o.x
.s.s.i.j.IndexerJ
ob         - Exception thrown during job execution 
java.lang.IndexOutOfBoundsException: Index: 3, Size: 3
        at java.util.LinkedList.checkElementIndex(LinkedList.java:555)
        at java.util.LinkedList.get(LinkedList.java:476)
        at java.util.Collections$UnmodifiableList.get(Collections.java:1309)
        at org.xwiki.search.solr.internal.job.DocumentReferenceComparator.compare(DocumentReferenceComparator.java:42)
        at org.xwiki.search.solr.internal.job.DiffDocumentIterator.next(DiffDocumentIterator.java:122)
        at org.xwiki.search.solr.internal.job.IndexerJob.updateSolrIndex(IndexerJob.java:151)
        at org.xwiki.search.solr.internal.job.IndexerJob.updateSolrIndex(IndexerJob.java:134)
        at org.xwiki.search.solr.internal.job.IndexerJob.runInternal(IndexerJob.java:110)
        at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:206)
        at org.xwiki.job.AbstractJob.run(AbstractJob.java:189)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
2017-10-05 13:34:37,886 [solr/indexer job group daemon thread - org.xwiki.search.solr.internal.job.IndexerJob@3a3d8e15] INFO  o.x.s.s.i.j.IndexerJob         - Finished job of type [solr.indexer] with identifier [[solr, indexer]]