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https://issues.apache.org/jira/browse/NIFI-12335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ferenc Erdei resolved NIFI-12335.
---------------------------------
Resolution: Fixed
> MiNiFi startup failure
> ----------------------
>
> Key: NIFI-12335
> URL: https://issues.apache.org/jira/browse/NIFI-12335
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Ferenc Erdei
> Assignee: Ferenc Erdei
> Priority: Major
> Labels: minifi-java
> Fix For: 2.0.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> If the current flow is empty and I don't set nifi.minifi.security properties,
> then I see the following error in the minifi-app.log and the MiNiFi can not
> start:
> {code:java}
> java.lang.Exception: Unable to load flow due to:
> org.apache.nifi.controller.serialization.FlowSynchronizationException:
> java.lang.NullPointerException: Cannot invoke "java.util.List.iterator()"
> because the return value of
> "org.apache.nifi.controller.flow.VersionedDataflow.getReportingTasks()" is
> null{code}
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