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https://issues.apache.org/jira/browse/KAFKA-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17519371#comment-17519371
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Robin Van Praet commented on KAFKA-7491:
----------------------------------------
What we did was using the shade-plugin to combine kafka-streams and
kafka-streams-test-utils into a new artifact (we called it
kafka-streams-testability-patch). And we use that one for our builds. You just
need to make sure that you include the original one in your deliverable.
{code:java}
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
...
<artifactId>kafka-streams-testability-patch</artifactId>
<dependencies>
<dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-streams</artifactId>
<version>2.6.2</version>
<exclusions>
<exclusion>
<groupId>org.apache.kafka</groupId>
<artifactId>connect-json</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-streams-test-utils</artifactId>
<version>2.6.2</version>
</dependency>
</dependencies> <build>
<plugins>
<plugin>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<artifactSet>
<includes>org.apache.kafka:kafka-streams*</includes>
</artifactSet>
<promoteTransitiveDependencies>true</promoteTransitiveDependencies>
<transformers>
<transformer
implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<manifestEntries>
<Automatic-Module-Name>kafka.streams</Automatic-Module-Name>
</manifestEntries>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
{code}
> Kafka streams and Kafka streams test utils have split packages
> --------------------------------------------------------------
>
> Key: KAFKA-7491
> URL: https://issues.apache.org/jira/browse/KAFKA-7491
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Reporter: Robin Van Praet
> Priority: Major
>
> When trying to test a Kafka Streams application using JDK 9+, using the
> module path, (test) compilation errors occur.
> The TopologyTestDriver cannot be located in kafka-streams-test-utils because
> package 'org.apache.kafka.streams' is already provided by module
> kafka-streams.
> Please make sure that packages are not re-used between production libraries
> and test util libraries.
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