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Details

Type: Bug
Resolution: Fixed
Priority: Low
Fix Version/s: 8.13.0, 8.12.3
Affects Version/s: 8.11.0, 8.11.1, 8.12.1, 8.12.2
Component/s: Custom fields, Data Center - Index, Indexing
Labels:
- lts-blocker
- lts813

Introduced in Version:
8.11
Support reference count:
1
Symptom Severity:
Severity 1 - Critical
UIS:
1
Bug Fix Policy:
View Atlassian Server bug fix policy

Description

Issue Summary

For customers having any records in customfieldvalue DB table with customfield value set to null, the reindex will stop with the error.

Note: We expect a small number of instances suffering from this problem (as values should be assigned to custom fields to be correctly processed). However, the severity is critical as there is no workaround when it occurs (besides removing corrupted data if they are not used).

Steps to Reproduce

Have records in customfieldvalue table with a null value for customfield column
Got to System->Indexing and trigger reindex (background or full)

Expected Results

Reindex finished without any errors.

Actual Results

Reindex finished with the error: The re-index did not complete successfully. Please refer to Jira logs for more details.

The below exception is thrown in the atlassian-jira.log file:

2020-09-22 18:19:00,614+0200 IssueIndexer:thread-19 WARN admin 1098x664x1 16c15lx 10.1.1.1 /secure/admin/IndexReIndex!reindex.jspa [c.a.jira.index.AccumulatingResultBuilder] 
java.lang.NullPointerException: element cannot be mapped to a null key
java.lang.RuntimeException: java.lang.NullPointerException: element cannot be mapped to a null key

at com.atlassian.jira.index.DefaultIndex$Failure.<init>(DefaultIndex.java:100)
at com.atlassian.jira.issue.index.DefaultIssueIndexer$EntityOperation.lambda$perform$6(DefaultIssueIndexer.java:858)
at java.util.HashMap.forEach(HashMap.java:1289)
at com.atlassian.jira.issue.index.DefaultIssueIndexer$EntityOperation.perform(DefaultIssueIndexer.java:858)
at com.atlassian.jira.issue.index.DefaultIssueIndexer.lambda$processBatch$2(DefaultIssueIndexer.java:334)
at com.atlassian.jira.index.SimpleIndexingStrategy.apply(SimpleIndexingStrategy.java:7)
at com.atlassian.jira.index.SimpleIndexingStrategy.apply(SimpleIndexingStrategy.java:5)
at com.atlassian.jira.index.MultiThreadedIndexingStrategy$1.call(MultiThreadedIndexingStrategy.java:47)
at com.atlassian.jira.index.MultiThreadedIndexingStrategy$1.call(MultiThreadedIndexingStrategy.java:43)
at com.atlassian.jira.util.concurrent.BoundedExecutor$2.call(BoundedExecutor.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.NullPointerException: element cannot be mapped to a null key
at java.util.Objects.requireNonNull(Objects.java:228)
at java.util.stream.Collectors.lambda$groupingBy$45(Collectors.java:907)
at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at com.atlassian.jira.issue.customfields.persistence.CustomFieldValues.fromOrderedByUpdate(CustomFieldValues.java:29)
at com.atlassian.jira.issue.customfields.persistence.EagerLoadingOfBizCustomFieldPersister.lambda$getValues$0(EagerLoadingOfBizCustomFieldPersister.java:88)
at java.util.stream.Collectors.lambda$toMap$58(Collectors.java:1321)
at java.util.stream.ReduceOps$3ReducingSink.accept(ReduceOps.java:169)
at java.util.HashMap$EntrySpliterator.forEachRemaining(HashMap.java:1699)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
at com.atlassian.jira.issue.customfields.persistence.EagerLoadingOfBizCustomFieldPersister.getValues(EagerLoadingOfBizCustomFieldPersister.java:88)
...
at com.atlassian.jira.issue.customfields.DefaultNonNullCustomFieldProvider.getCustomFieldInfo(DefaultNonNullCustomFieldProvider.java:41)
at com.atlassian.jira.issue.index.DefaultIssueDocumentFactory$IdentityBasedProvider.getCustomFieldInfo(DefaultIssueDocumentFactory.java:257)
at com.atlassian.jira.issue.index.DefaultIssueDocumentFactory.lambda$getPersistedFieldsWithData$3(DefaultIssueDocumentFactory.java:167)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1556)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at com.atlassian.jira.issue.index.DefaultIssueDocumentFactory.getPersistedFieldsWithData(DefaultIssueDocumentFactory.java:171)
at com.atlassian.jira.issue.index.DefaultIssueDocumentFactory.createDocuments(DefaultIssueDocumentFactory.java:102)
at com.atlassian.jira.issue.index.DefaultIssueIndexer$DefaultDocumentCreationStrategy.get(DefaultIssueIndexer.java:1332)
at com.atlassian.jira.issue.index.DefaultIssueIndexer$IssuesOperation.createDocuments(DefaultIssueIndexer.java:982)
at com.atlassian.jira.issue.index.DefaultIssueIndexer$EntityOperation.perform(DefaultIssueIndexer.java:847)
... 10 more

Note: "Caused by: java.lang.NullPointerException: element cannot be mapped to a null key"

Workaround

Validate where corrupted data come from and if you need them (like 'SELECT * from customfieldvalue WHERE customfield is null')
If you don't need these data, make DB backup and delete rows returned by the previous query.
If for some reasons you are not able to wipe them out, please upgrade to LTS release where this problem is solved.

Attachments

Issue Links

is related to

JRASERVER-72139 Reindexing process breaks with IllegalStateException due to multiple NonNullCustomFieldProvider

Closed

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Reindex fails because of NPE thrown by CustomFieldValues due to NULL value