sebthom opened a new pull request #2969: NO-JIRA Fix compiler warning in 
FederationStreamConnectMessage v2
URL: https://github.com/apache/activemq-artemis/pull/2969
 
 
   Second attempt to fix the following compiler warning that is reported in 
Travis builds, this time using the correct cast type `Class<?>[]` which 
prevents temporary object allocation because of var-args handling:
   
   ```java
   
/home/travis/build/apache/activemq-artemis/artemis-core-client/src/main/java/org/apache/activemq/artemis/core/protocol/core/impl/wireformat/FederationStreamConnectMessage.java:151:
 warning: non-varargs call of varargs method with inexact argument type for 
last parameter;
   
            return (FederationPolicy) 
Class.forName(clazz).getConstructor(null).newInstance();
   
     cast to Class<?> for a varargs call
     cast to Class<?>[] for a non-varargs call and to suppress this warning
   ```

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