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https://issues.apache.org/jira/browse/NIFI-1318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15110031#comment-15110031
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Joseph Witt commented on NIFI-1318:
-----------------------------------
moved off of the 050 release. it appears to be part of a larger effort/concept
that is in progress
> For each Processor in the canvas we end up with 4 instances of such Processor
> -----------------------------------------------------------------------------
>
> Key: NIFI-1318
> URL: https://issues.apache.org/jira/browse/NIFI-1318
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 0.4.0
> Reporter: Oleg Zhurakousky
> Assignee: Oleg Zhurakousky
>
> Also, 4 calls to _Processor.initialize(..)_ method are made
> Can't imagine it to be intentional.
> The first call is during documentation setup and is done even when the
> processor is not in the canvas.
> For each subsequent call see stack trace below:
> {code}
> GenerateFlowFile.init(ProcessorInitializationContext) line: 97
> GenerateFlowFile(AbstractSessionFactoryProcessor).initialize(ProcessorInitializationContext)
> line: 58
> FlowController.instantiateProcessor(String, String) line: 908
> FlowController.createProcessor(String, String, boolean) line: 869
> FingerprintFactory.addFlowFileProcessorFingerprint(StringBuilder, Element,
> FlowController) line: 481
> FingerprintFactory.addProcessGroupFingerprint(StringBuilder, Element,
> FlowController) line: 402
> FingerprintFactory.addFlowControllerFingerprint(StringBuilder, Element,
> FlowController) line: 247
> FingerprintFactory.createFingerprint(Document, FlowController) line: 174
> FingerprintFactory.createFingerprint(byte[], FlowController) line: 134
> StandardFlowSynchronizer.checkFlowInheritability(byte[], byte[],
> FlowController) line: 1059
> . . .
> {code}
> {code}
> GenerateFlowFile.init(ProcessorInitializationContext) line: 97
> GenerateFlowFile(AbstractSessionFactoryProcessor).initialize(ProcessorInitializationContext)
> line: 58
> FlowController.instantiateProcessor(String, String) line: 908
> FlowController.createProcessor(String, String, boolean) line: 869
> FingerprintFactory.addFlowFileProcessorFingerprint(StringBuilder, Element,
> FlowController) line: 481
> FingerprintFactory.addProcessGroupFingerprint(StringBuilder, Element,
> FlowController) line: 402
> FingerprintFactory.addFlowControllerFingerprint(StringBuilder, Element,
> FlowController) line: 247
> FingerprintFactory.createFingerprint(Document, FlowController) line: 174
> FingerprintFactory.createFingerprint(byte[], FlowController) line: 134
> StandardFlowSynchronizer.checkFlowInheritability(byte[], byte[],
> FlowController) line: 1068
> . . .
> {code}
> {code}
> GenerateFlowFile.init(ProcessorInitializationContext) line: 97
> GenerateFlowFile(AbstractSessionFactoryProcessor).initialize(ProcessorInitializationContext)
> line: 58
> FlowController.instantiateProcessor(String, String) line: 908
> FlowController.createProcessor(String, String, boolean) line: 869
> StandardFlowSynchronizer.addProcessGroup(FlowController, ProcessGroup,
> Element, StringEncryptor) line: 774
> . . .
> {code}
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