Hari Sekhon created NIFI-6124:
---------------------------------
Summary: NiFi HDFS processors resolve Kerberos principal host
component to an IP address and get wrong principal error
Key: NIFI-6124
URL: https://issues.apache.org/jira/browse/NIFI-6124
Project: Apache NiFi
Issue Type: Bug
Reporter: Hari Sekhon
NiFi HDFS processors appear to be resolving the host component of the kerberos
principal given an hdfs-site.xml using the usual Hadoop _HOST placeholder like
so:
{code:java}
<property>
<name>dfs.namenode.kerberos.principal</name>
<value>hdfs/_HOST@<domain></value>
</property>{code}
Results in an exception like this:
{code:java}
2019-03-15 09:55:42,556 INFO [Timer-Driven Process Thread-6]
o.a.h.io.retry.RetryInvocationHandler java.io.IOException: Failed on local
exception: java.io.IOException: Couldn't set up IO streams:
java.lang.IllegalArgumentException: Server has invalid Kerberos principal:
hdfs/<fqdn>@<domain>, expecting: hdfs/<ip_x.x.x.x>@<domain>; Host Details :
local host is: "<fqdn>/<ip_x.x.x.x>"; destination host is: "<ip_x.x.x.x>":8020;
, while invoking ClientNamenodeProtocolTranslatorPB.getFileInfo over
<ip_x.x.x.x>/<ip_x.x.x.x>:8020 after 9 failover attempts. Trying to failover
after sleeping for 17661ms.
{code}
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