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AttributesToJson stuck processing flowfiles

New Contributor


The flowfiles are stuck on AttributesToJson. Other processors, before/after ATJ, all worked as expected. We have 3 other ATJ processors on different group and all encountered similar behavior. It stuck like 5-10 minutes and then continued again.

Checklist when it happened (troubleshooting):
RAM: good
CPU: good
Overall flowfiles size: 300mb, good
No other processors behaved like it.

I tried to find online articles to see if other encounter this but couldn't find one.

NiFi version: 1.12.1

         OpenJDK version "1.8.0_282"

         OpenJDK 64-Bit Server VM (build 25.282-b08, mixed mode)
AttributesToJson: running in All Nodes

Screen Shot 2021-04-01 at 8.28.42 AM.png


Screen Shot 2021-04-01 at 9.47.30 AM.png