[NIFI-1269] DistributeLoad throws FlowFileHandlingExceptions when a relationshp has backpressure

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.3.0
• Fix Version/s: 0.4.0
• Component/s: Extensions
• Assignee: Unassigned
• Reporter: Aldrin Piri
• Created: 08/Dec/15 02:12
• Updated: 08/Dec/15 02:49
• Resolved: 08/Dec/15 02:49

Description

I ran into problems where a series of connections in relationships eventually caused backpressure into a relationship of distribute load.

DistributeLoad worked properly when there was not backpressure but when there was, continuously saw the following stacktrace as a bulletin:

20:54:01 ESTERROR121c2aca-01f7-40a0-ac66-17ed0d690351
DistributeLoad[id=121c2aca-01f7-40a0-ac66-17ed0d690351] Failed to process session due to org.apache.nifi.processor.exception.FlowFileHandlingException: StandardFlowFileRecord[uuid=009ace0e-7619-4220-91b2-078dcf4271ac,claim=StandardContentClaim [resourceClaim=StandardResourceClaim[id=1449539480040-24, container=default, section=24], offset=338326, length=2600],offset=0,name=pom.xml,size=2600] transfer relationship not specified: org.apache.nifi.processor.exception.FlowFileHandlingException: StandardFlowFileRecord[uuid=009ace0e-7619-4220-91b2-078dcf4271ac,claim=StandardContentClaim [resourceClaim=StandardResourceClaim[id=1449539480040-24, container=default, section=24], offset=338326, length=2600],offset=0,name=pom.xml,size=2600] transfer relationship not specified