TengYao Chi created KAFKA-18804:
-----------------------------------
Summary: Remove slf4j warning when using tool script.
Key: KAFKA-18804
URL: https://issues.apache.org/jira/browse/KAFKA-18804
Project: Kafka
Issue Type: Improvement
Reporter: TengYao Chi
Assignee: TengYao Chi
Currently, when running tools scripts, we encounter multiple SLF4J binding
warnings:
```
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in
[jar:file:/home/yungh/kafka/kafka_fork/kafka_test/core/build/dependant-libs-2.13.15/log4j-slf4j-impl-2.24.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/home/yungh/kafka/kafka_fork/kafka_test/tools/build/dependant-libs-2.13.15/log4j-slf4j-impl-2.24.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [org.apache.logging.slf4j.Log4jLoggerFactory]
```
This issue occurs because we have included multiple SLF4J implementation
libraries in the project. We can resolve this by modifying the
`copyDependantLibs` task in gradle.
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