Lior, What do you have set for the “nifi.zookeeper.connect.string” property in nifi.properties?
Thanks -Mark On Dec 16, 2021, at 4:26 AM, Lior Halperin <[email protected]<mailto:[email protected]>> wrote: Hi, We are using nifi 1.15 secured cluster with external zk 3.7.0 defined in the zk conf: ssl.hostnameVerification=false ssl.quorum.hostnameVerification=false sslQuorum=false also in the nifi nodes zookeeper properties we defined ssl.hostnameVerification=false ssl.quorum.hostnameVerification=false on nifi start up nodes we get : 2021-12-15 21:57:43,440 ERROR [nioEventLoopGroup-2-1] o.apache.zookeeper.common.ZKTrustManager Failed to verify host address: 127.0.0.1 javax.net<http://javax.net/>.ssl.SSLPeerUnverifiedException: Certificate for <127.0.0.1> doesn't match common name of the certificate subject: APP SERVER KEY what are definitions we miss that should eliminate the SSLPeerUnverifiedException? Internal Use - Confidential
