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https://issues.apache.org/jira/browse/KARAF-7829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Baptiste Onofré resolved KARAF-7829.
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Fix Version/s: (was: 4.4.7)
Resolution: Duplicate
> SLF4J Warnings on Client-Connection
> -----------------------------------
>
> Key: KARAF-7829
> URL: https://issues.apache.org/jira/browse/KARAF-7829
> Project: Karaf
> Issue Type: Bug
> Components: karaf
> Affects Versions: 4.4.6
> Reporter: Niklas Neesen
> Assignee: Jean-Baptiste Onofré
> Priority: Critical
>
> I have encountered several SLF4J warnings when connecting using the
> ./bin/client command in Apache Karaf version 4.4.6. The following warnings
> are displayed at the beginning of the connection:
> {code:java}
> SLF4J(W): No SLF4J providers were found.
> SLF4J(W): Defaulting to no-operation (NOP) logger implementation
> SLF4J(W): See https://www.slf4j.org/codes.html#noProviders for further
> details.
> SLF4J(W): Class path contains SLF4J bindings targeting slf4j-api versions
> 1.7.x or earlier.
> SLF4J(W): Ignoring binding found at
> [jar:file:/Users/niklas/Downloads/apache-karaf-4.4.6/system/org/apache/karaf/org.apache.karaf.client/4.4.6/org.apache.karaf.client-4.4.6.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J(W): See https://www.slf4j.org/codes.html#ignoredBindings for an
> explanation.{code}
> *Steps to Reproduce:*
> # Download and extract Apache Karaf version 4.4.6.
> # Navigate to the extracted directory.
> # Start Karaf using the command ./bin/start.
> # Use the command ./bin/client to connect.
>
> *Expected Behavior:*
> No SLF4J warnings should be displayed during the connection process.
>
> *Actual Behavior:*
> Multiple SLF4J warnings are displayed, indicating issues with SLF4J provider
> bindings and defaulting to a no-operation logger implementation.
>
> *Environment:*
> * Apache Karaf version: 4.4.6
> * Java version: OpenJDK 11.0.22
> Please investigate this issue and provide guidance on how to resolve the
> SLF4J warnings.
> Thank you.
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