Bryan Bende created KAFKA-5294:
----------------------------------
Summary: PlainSaslServerFactory should allow a null Map in
getMechanismNames
Key: KAFKA-5294
URL: https://issues.apache.org/jira/browse/KAFKA-5294
Project: Kafka
Issue Type: Bug
Affects Versions: 0.10.2.1
Reporter: Bryan Bende
Priority: Minor
PlainSaslServerFactory will get a NullPointerException if
getMechanismNames(Map<String,?> props) is called with a null props map.
The Java docs for getMechanismNames from the base class
javax.security.sasl.SaslServerFactory say that the map can be null:
* @param props The possibly null set of properties used to specify the
* security policy of the SASL mechanisms.
A scenario where this causes a problem is when attempting to use a Kafka
consumer/producer with the PlainLoginModule in the same JVM as a Hadoop client
with Kerberos...
The Hadoop client purposely calls getMechanismNames with a null map, so if you
have already create a Kafka consumer/producer with PlainLoginModule then the
PlainSaslServerFactory will be registered in the list of providers in
java.security.Security, and then NPEs when the Hadoop client calls
getMechanismNames on each provider with a null map.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
