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https://issues.apache.org/jira/browse/NIFI-3068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15684499#comment-15684499
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Bryan Bende commented on NIFI-3068:
-----------------------------------
I'm going to look into this, but just want to clarify that the configuration
resources in AbstractHadoopProcessor referenced above are stored in a regular
member variable (not a static variable) so it would be different for each
instance of a processor that extends AbstractHadoopProcessor.
> NiFi can not reliably support multiple HDFS clusters in the same flow
> ---------------------------------------------------------------------
>
> Key: NIFI-3068
> URL: https://issues.apache.org/jira/browse/NIFI-3068
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.0.0
> Reporter: Sam Hjelmfelt
> Labels: HDFS
>
> The HDFS configurations in PutHDFS are not respected when two (or more)
> PutHDFS processors exist with different configurations. The second processor
> to run will use the configurations from the first processor. This can cause
> data to be written to the wrong cluster.
> This appears to be caused by configuration caching in
> AbstractHadoopProcessor, which would affect all HDFS processors.
> https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/main/java/org/apache/nifi/processors/hadoop/AbstractHadoopProcessor.java#L144
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