Exclude log4j deps from zookeeper-client-common.
It has no other effect than modifying the test classpath,
because zookeeper is a provided scope dep here.
<artifactId>zookeeper</artifactId>
<version>${zookeeper.client.version}</version>
<scope>provided</scope>
+ <exclusions>
+ <exclusion>
+ <groupId>log4j</groupId>
+ <artifactId>log4j</artifactId>
+ </exclusion>
+ <exclusion>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ </exclusion>
+ </exclusions>
</dependency>
<!-- compile scope -->
