NiFi RemoteProcessGroup S2S - Pipe closed error

[#1]

I am trying to copy files using NiFi RemoteProcessGroup S2S. Some times i am getting below error message and file coping is not happening.

Please can someone help me out?

ERROR [Timer-Driven Process Thread-8] o.a.nifi.remote.StandardRemoteGroupPort RemoteGroupPort[name=FromPhProd,targets=http://hdfnifiprod01.medassurant.local:9090/nifi/,http://hdfnifiprod02.medassurant.local:9090/nifi/] failed to communicate with remote NiFi instance due to org.apache.nifi.processor.exception.ProcessException: IOException thrown from RemoteGroupPort[name=FromPhProd,targets=http://hdfnifiprod01.medassurant.local:9090/nifi/,http://hdfnifiprod02.medassurant.local:9090/nifi/]: java.io.IOException: Failed to send data to Peer[url=http://hdfnifiprod01.medassurant.local:9090/nifi-api] due to java.io.IOException: Pipe closed

[#2]

Hey, I am facing the same issue, could you please help me how did you fix it and what was the issue. Thanks in advance and you response will be helpful. 

[#3]

@Meeran As this is an older post you would have a better chance of receiving a resolution by starting a new thread. This will also provide the opportunity to provide details specific to your environment that could aid others in providing a more accurate answer to your question. 

[#4]

I resolved this issue by using Transport Protocol as RAW on remote process group (PRG). this should fix the issue.