[
https://issues.apache.org/jira/browse/JAMES-3862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638244#comment-17638244
]
Benoit Tellier commented on JAMES-3862:
---------------------------------------
Hello,
Do you think you can open a pull request on this topic?
> Log4J/SLF4J Binding is broken in james-server-spring-app
> --------------------------------------------------------
>
> Key: JAMES-3862
> URL: https://issues.apache.org/jira/browse/JAMES-3862
> Project: James Server
> Issue Type: Bug
> Affects Versions: 3.8.0
> Reporter: Bernd Bartke
> Priority: Major
> Fix For: 3.7.3
>
>
> Log4J/SLF4J Binding is broken in james-server-spring-app, starting with 3.7.2.
> Server startup of 3.7.2:
> {noformat}
> C:\bin\james-server-spring-app-3.7.2\bin>run.bat
> SLF4J: No SLF4J providers were found.
> SLF4J: Defaulting to no-operation (NOP) logger implementation
> SLF4J: See https://www.slf4j.org/codes.html#noProviders for further details.
> SLF4J: Class path contains SLF4J bindings targeting slf4j-api versions 1.7.x
> or earlier.
> SLF4J: Ignoring binding found at
> [jar:file:/C:/bin/james-server-spring-app-3.7.2/lib/log4j-slf4j-impl-2.17.1.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: See https://www.slf4j.org/codes.html#ignoredBindings for an
> explanation.
> 15 James WARN [main] openjpa.Runtime - An error occurred while
> registering a ClassTransformer with PersistenceUnitInfo: name 'James', root
> URL [file:/C:/bin/james-server-spring-app-3.7.2/conf]. The error has been
> consumed. To see it, set your openjpa.Runtime log level to TRACE. Load-time
> class transformation will not be available.
> 9281 James INFO [main] openjpa.Runtime - Starting OpenJPA 3.2.0
> {noformat}
> Issue was introduced with commit 3460270c3a928da6ee650194a9d4f1a08e53947e by
> TRAN at 2022-09-20:
> slf4j.version has been changed from 1.7.36 to 2.0.1
> (!) SLF4J 2 requires updated SLF4J to Log4j Adapters:
> SLF4J 2 ServiceLoader mechanism to find its logging backend
> https://www.slf4j.org/faq.html#changesInVersion200
> https://logging.apache.org/log4j/2.x/log4j-slf4j-impl/
> {quote}
> Due to a break in compatibility in the SLF4J binding, as of release 2.19.0
> two SLF4J to Log4j Adapters are provided.
> ...
> 2. {{log4j-slf4j2-impl}} should be used with SLF4J 2.0.x releases or newer.
> {quote}
> To fix the issue, the 3 pom.xml referencing artifactId {{log4j-slf4j-impl}}
> should reference artifactId {{log4j-slf4j2-impl}} instead (-
> {{log4j2.version}} is already set to {{2.19.0}}, ):
> {noformat}
> $ grep -r --include="pom.xml" "log4j-slf4j-impl" *
> pom.xml: <artifactId>log4j-slf4j-impl</artifactId>
> server/apps/spring-app/pom.xml:
> <artifactId>log4j-slf4j-impl</artifactId>
> server/container/spring/pom.xml:
> <artifactId>log4j-slf4j-impl</artifactId>
> {noformat}
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: server-dev-unsubscr...@james.apache.org
For additional commands, e-mail: server-dev-h...@james.apache.org
