@alex15 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.  ... View more

I've the same issue but the values of  Hostname,Port must be variables in my case. Is there a solution to fix this issue ... View more

This error is showing that one of your "List" processors is starting and its attempting to migrate the state information from the old way of storing state in the DistributedMapCache, to the new way in the StateManager (ZK or local WAL). The error is because the processor has a DistributedMapCacheClient configured and the client can't connect to the DistributedMapCacheServer. If you have state that you believe needs to be migrated, then ensure that the DistributedCachServer is correctly configured and running, and ensure the DistributedCacheClient is configured with the correct host and port for where the server is running. If you don't have old state that needs to be migrated, just change your "List" processor so that it doesn't use a DistributedMapCacheClient and then it will skip over this migration. The cache client was only required in older versions of NiFi before the internal StateManager was introduced. ... View more

Hi @Oleksandr Solomko, We are also getting the below error (ListSFTP Failed to obtain connection to remote host) Failed to obtain connection to remote host due to com.jcraft.jsch.JSchException: Session.connect: java.security.InvalidAlgorithmParameterException: DH key size must be multiple of 64, and can only range from 512 to 8192 (inclusive). The specific key size 2047 is not supported We are using openjdk. Can you please confirm if the above fix works for openjdk? openjdk version "1.8.0_121" OpenJDK Runtime Environment (build 1.8.0_121-b13) OpenJDK 64-Bit Server VM (build 25.121-b13, mixed mode) ... View more

@Oleksandr Solomko have you changed the default value of the "nifi.queue.swap.threshold" property in nifi.properties? If so, you may be running into NIFI-3897. ... View more

Thank You! It works) ... View more