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https://issues.apache.org/jira/browse/NIFI-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15329661#comment-15329661
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Brandon DeVries commented on NIFI-2006:
---------------------------------------
I agree.... if this turns out to be the same issue, fantastic. But I don't see
any reason to assume that is the case. I'm going to reopen NIFI-2015. If this
fix covers that as well we'll count it as a twofer, but we don't want to lose
track of the issue if that's not the case.
> Null attribute values causing NPEs in provenance repo
> -----------------------------------------------------
>
> Key: NIFI-2006
> URL: https://issues.apache.org/jira/browse/NIFI-2006
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Brandon DeVries
> Assignee: Oleg Zhurakousky
> Priority: Critical
> Fix For: 1.0.0, 0.7.0
>
>
> A null attribute value (as you would see for a removed attribute) causes the
> provenance repo to thrown an NPE here:
> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/PersistentProvenanceRepository.java#L1789
> (as "entry.getValue()" is null...)
> suggested fix is to change:
> {code}
> if (entry.getValue().length() > maxAttributeChars) {
> {code}
> to:
> {code}
> if (entry.getValue() != null && entry.getValue().length() >
> maxAttributeChars) {
> {code}
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