Hi everyone,
I'm trying to run the full re-index with Jira 8.5.0 but I'm always getting the following error:

The logs are only showing some very generic two errors:
com.atlassian.jira.index.IndexingFailureException: Indexing completed with 1 errors
at com.atlassian.jira.util.index.CompositeIndexLifecycleManager.reIndexAll(CompositeIndexLifecycleManager.java:83)
at com.atlassian.jira.util.index.CompositeIndexLifecycleManager.reIndexAll(CompositeIndexLifecycleManager.java:49)
at com.atlassian.jira.web.action.admin.index.ReIndexAsyncIndexerCommand.doReindex(ReIndexAsyncIndexerCommand.java:27)
at com.atlassian.jira.web.action.admin.index.AbstractAsyncIndexerCommand.call(AbstractAsyncIndexerCommand.java:63)
at com.atlassian.jira.web.action.admin.index.ReIndexAsyncIndexerCommand.call(ReIndexAsyncIndexerCommand.java:18)
at com.atlassian.jira.web.action.admin.index.AbstractAsyncIndexerCommand.call(AbstractAsyncIndexerCommand.java:26)
at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:537)
at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:495)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:216)
at java.lang.Thread.run(Thread.java:748)
and
2019-11-06 17:18:56,078 JiraTaskExecutionThread-12 ERROR admin 1034x38539x1 w2zzv0 213.192.95.26,10.0.128.75 /secure/admin/jira/IndexReIndex!reindex.jspa [c.a.j.util.index.CompositeIndexLifecycleManager]
Reindex All FAILED. Indexer: DefaultIndexManager: paths: [/var/atlassian/application-data/jira/caches/indexesV1/comments, /var/atlassian/application-data/jira/caches/indexesV1/issues, /var/atlassian/appl
ication-data/jira/caches/indexesV1/changes, /var/atlassian/application-data/jira/caches/indexesV1/worklogs]
org.ofbiz.core.util.GeneralRuntimeException: Error getting the next result (This ResultSet is closed.)
at org.ofbiz.core.entity.EntityListIterator.next(EntityListIterator.java:272)
at com.atlassian.jira.ofbiz.DefaultOfBizListIterator.next(DefaultOfBizListIterator.java:100)
at com.atlassian.jira.ofbiz.WrappingOfBizListIterator.next(WrappingOfBizListIterator.java:68)
at com.atlassian.jira.issue.util.DatabaseIssuesIterator.pullNextIssue(DatabaseIssuesIterator.java:97)
at com.atlassian.jira.issue.util.DatabaseIssuesIterator.populateNextIssueIfNull(DatabaseIssuesIterator.java:68)
at com.atlassian.jira.issue.util.DatabaseIssuesIterator.hasNext(DatabaseIssuesIterator.java:51)
at com.atlassian.jira.issue.util.DatabaseIssuesIterable.foreach(DatabaseIssuesIterable.java:55)
at com.atlassian.jira.issue.index.DefaultIssueIndexer.perform(DefaultIssueIndexer.java:335)
at com.atlassian.jira.issue.index.DefaultIssueIndexer.indexIssuesBatchMode(DefaultIssueIndexer.java:182)
at com.atlassian.jira.issue.index.DefaultIssueIndexer.indexIssuesBatchMode(DefaultIssueIndexer.java:198)
at com.atlassian.jira.issue.index.DefaultIndexManager.doIndexIssuesInBatchMode(DefaultIndexManager.java:1023)
at com.atlassian.jira.issue.index.DefaultIndexManager.doStopTheWorldReindex(DefaultIndexManager.java:1002)
at com.atlassian.jira.issue.index.DefaultIndexManager.lambda$reIndexAll$0(DefaultIndexManager.java:331)
at com.atlassian.jira.issue.index.DefaultIndexManager.withReindexLock(DefaultIndexManager.java:378)
at com.atlassian.jira.issue.index.DefaultIndexManager.reIndexAll(DefaultIndexManager.java:331)
at com.atlassian.jira.issue.index.DefaultIndexManager.reIndexAll(DefaultIndexManager.java:264)
... 3 filtered
at java.lang.reflect.Method.invoke(Method.java:498)
at com.atlassian.jira.config.component.SwitchingInvocationHandler.invoke(SwitchingInvocationHandler.java:38)
at com.sun.proxy.$Proxy12.reIndexAll(Unknown Source)
at com.atlassian.jira.util.index.CompositeIndexLifecycleManager.reIndexAll(CompositeIndexLifecycleManager.java:66)
at com.atlassian.jira.util.index.CompositeIndexLifecycleManager.reIndexAll(CompositeIndexLifecycleManager.java:49)
at com.atlassian.jira.web.action.admin.index.ReIndexAsyncIndexerCommand.doReindex(ReIndexAsyncIndexerCommand.java:27)
at com.atlassian.jira.web.action.admin.index.AbstractAsyncIndexerCommand.call(AbstractAsyncIndexerCommand.java:63)
at com.atlassian.jira.web.action.admin.index.ReIndexAsyncIndexerCommand.call(ReIndexAsyncIndexerCommand.java:18)
at com.atlassian.jira.web.action.admin.index.AbstractAsyncIndexerCommand.call(AbstractAsyncIndexerCommand.java:26)
at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:537)
at com.atlassian.jira.task.TaskManagerImpl$TaskCallableDecorator.call(TaskManagerImpl.java:495)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at com.atlassian.jira.task.ForkedThreadExecutor$ForkedRunnableDecorator.run(ForkedThreadExecutor.java:216)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.postgresql.util.PSQLException: This ResultSet is closed.
at org.postgresql.jdbc.PgResultSet.checkClosed(PgResultSet.java:2696)
at org.postgresql.jdbc.PgResultSet.next(PgResultSet.java:1769)
at org.apache.commons.dbcp2.DelegatingResultSet.next(DelegatingResultSet.java:191)
at org.apache.commons.dbcp2.DelegatingResultSet.next(DelegatingResultSet.java:191)
at org.ofbiz.core.entity.EntityListIterator.next(EntityListIterator.java:266)
I've tried re-running it several times and clearing JIRA_HOME/caches but nothing helped. It also always crashes at step: Currently working on: PortalPage
Any idea what might be the cause, what might be worth checking, or at least how to go forward to figure out why the re-index is failing?
Best regards,
Sebastian