Hibernate 4.5.3, Core 4.3. Running on RHEL 8.
Why is this happening?
<Jun 12, 2026 4:12:36,837 PM CDT> <org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask> <HSEARCH000072: Couldn’t open the IndexWriter because of previous error: operation skipped, index ouf of sync!>
Jun 12, 2026 4:12:36 PM org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask applyUpdates
ERROR: HSEARCH000072: Couldn’t open the IndexWriter because of previous error: operation skipped, index ouf of sync!
<Jun 12, 2026 4:12:36,836 PM CDT> <org.hibernate.search.exception.impl.LogErrorHandler> <HSEARCH000058: Exception occurred org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@/usr/app/class/weblogic/PRD/indexes/gov.texas.hhs.ccl.db.domain.facility.Facility/write.lock
Primary Failure:
Entity gov.texas.hhs.ccl.db.domain.facility.Facility Id 1150655 Work Type org.hibernate.search.backend.UpdateLuceneWork
org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@/usr/app/class/weblogic/PRD/indexes/gov.texas.hhs.ccl.db.domain.facility.Facility/write.lock
at org.apache.lucene.store.Lock.obtain(Lock.java:84)
at org.apache.lucene.index.IndexWriter.(IndexWriter.java:1098)
at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:146)
at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:113)
at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriter(AbstractWorkspaceImpl.java:122)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:101)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67)
at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:162)
at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:152)
at java.lang.Thread.run(Thread.java:750)
Jun 12, 2026 4:12:36 PM org.hibernate.search.exception.impl.LogErrorHandler handleException
ERROR: HSEARCH000058: Exception occurred org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@/usr/app/class/weblogic/PRD/indexes/gov.texas.hhs.ccl.db.domain.facility.Facility/write.lock
Primary Failure:
Entity gov.texas.hhs.ccl.db.domain.facility.Facility Id 1150655 Work Type org.hibernate.search.backend.UpdateLuceneWork
org.apache.lucene.store.LockObtainFailedException: Lock obtain timed out: NativeFSLock@/usr/app/class/weblogic/PRD/indexes/gov.texas.hhs.ccl.db.domain.facility.Facility/write.lock
at org.apache.lucene.store.Lock.obtain(Lock.java:84)
at org.apache.lucene.index.IndexWriter.(IndexWriter.java:1098)
at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.createNewIndexWriter(IndexWriterHolder.java:146)
at org.hibernate.search.backend.impl.lucene.IndexWriterHolder.getIndexWriter(IndexWriterHolder.java:113)
at org.hibernate.search.backend.impl.lucene.AbstractWorkspaceImpl.getIndexWriter(AbstractWorkspaceImpl.java:122)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.applyUpdates(LuceneBackendQueueTask.java:101)
at org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask.run(LuceneBackendQueueTask.java:67)
at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.applyChangesets(SyncWorkProcessor.java:162)
at org.hibernate.search.backend.impl.lucene.SyncWorkProcessor$Consumer.run(SyncWorkProcessor.java:152)
at java.lang.Thread.run(Thread.java:750)
<Jun 12, 2026 4:12:36,837 PM CDT> <org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask> <HSEARCH000072: Couldn’t open the IndexWriter because of previous error: operation skipped, index ouf of sync!>
Jun 12, 2026 4:12:36 PM org.hibernate.search.backend.impl.lucene.LuceneBackendQueueTask applyUpdates
ERROR: HSEARCH000072: Couldn’t open the IndexWriter because of previous error: operation skipped, index ouf of sync!
Pending Adv Actn: 0
<Jun 12, 2026 4:12:41,605 PM CDT> <org.hibernate.hql.internal.ast.ErrorCounter> <line 1:672: unexpected token: ?>
Jun 12, 2026 4:12:41 PM org.hibernate.hql.internal.ast.ErrorCounter reportError
ERROR: line 1:672: unexpected token: ?
<Jun 12, 2026 4:12:41,610 PM CDT> <org.hibernate.hql.internal.ast.ErrorCounter> <line 1:672: unexpected token: ?
line 1:672: unexpected token: ?