The error suggests the DFSClient is unable to read the blocks due to connection failure. Either the ports are blocked or unreachable from the node   From the node in which you are running the code snippet/From the node in which the executor ran, try reading the file using hdfs commands in debug mode which can give further clues on what node/service the client was trying to reach prior to connect timeout   export HADOOP_ROOT_LOGGER=DEBUG,console hdfs dfs -cat hdfs://ec2-18-234-71-106.compute-1.amazonaws.com:8020/dataset/Tech.csv ... View more

Yeah, thats right. Unfortunately there is no feature available to gather Nifi Lineage in Navigator.  ... View more

This is much clear now   On server side the request was rejected as the client was initiating non-ssl connection Caused by: org.apache.thrift.transport.TTransportException: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection? Client side it was unable to  trust the server certs as it was not configured to use a truststore Caused by: com.cloudera.hiveserver2.support.exceptions.GeneralException: [Cloudera][HiveJDBCDriver](500164) Error initialized or created transport for authentication: [Cloudera][HiveJDBCDriver](500169) Unable to connect to server: javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target. You got to add few more properties to your connection string jdbc:hive2://vdbdgw01dsy.dsone.3ds.com:10000/default;AuthMech=1;KrbAuthType=1;KrbHostFQDN=vdbdgw01dsy.dsone.3ds.com;KrbRealm=DSONE.3DS.COM;KrbServiceName=hive;LogLevel=6;LogPath=d:/TestPLPFolder/hivejdbclog;SSL=1;SSLTrustStore=<path_to_truststore>;SSLTrustStorePwd=<password to truststore> If you dont have password to your truststore you can omit the parameter SSLTrustStorePwd   ... View more