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  1. Kafka
  2. KAFKA-2875

Class path contains multiple SLF4J bindings warnings when using scripts under bin

    Details

    • Type: Bug
    • Status: Patch Available
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: 0.9.0.0
    • Fix Version/s: None
    • Component/s: tools
    • Labels:

      Description

      This adds a lot of noise when running the scripts, see example when running kafka-console-producer.sh:

      ~/D/s/kafka-0.9.0.0-src ❯❯❯ ./bin/kafka-console-producer.sh --topic topic --broker-list localhost:9092                     ⏎
      SLF4J: Class path contains multiple SLF4J bindings.
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/core/build/dependant-libs-2.10.5/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/core/build/dependant-libs-2.10.5/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/tools/build/dependant-libs-2.10.5/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/connect/api/build/dependant-libs/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/connect/runtime/build/dependant-libs/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/connect/file/build/dependant-libs/slf4j-log4j12-1.7.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
      SLF4J: Found binding in [jar:file:/Users/ijuma/Downloads/scala-releases/kafka-0.9.0.0-src/connect/json/build/dependant-libs/slf4j-log4j12-1.7.6.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.slf4j.impl.Log4jLoggerFactory]
      

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              • Assignee:
                jinxing6042@126.com jin xing
                Reporter:
                ijuma Ismael Juma
                Reviewer:
                Ismael Juma
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                Dates

                • Created:
                  Updated: