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https://issues.jenkins-ci.org/browse/JENKINS-12446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=160444#comment-160444
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SCM/JIRA link daemon commented on JENKINS-12446:
------------------------------------------------
Code changed in jenkins
User: Kohsuke Kawaguchi
Path:
maven-plugin/pom.xml
pom.xml
war/pom.xml
http://jenkins-ci.org/commit/jenkins/7cc71cd78ea5839bec9a4c881c00751dde9b5b5a
Log:
[FIXED JENKINS-12334 JENKINS-12446 JENKINS-12650]
Bundle slf4j binding to the war.
See the comment in war/pom.xml for detailed discussion.
This is fundamentally a "damned if I do, damned if I don't" situation,
but given that JENKINS-12334 is a fatal error, and the downside of
bundling the binding jar is "multiple binding" warning, it seems like
the lesser evil is to bundle it and risk some warnings.
Cherry-picked-from: ef1ad6ca29c313fa0b4bc6f5dcd8344046221049
> java.lang.NoClassDefFoundError: org.slf4j.impl.StaticLoggerBinder
> -----------------------------------------------------------------
>
> Key: JENKINS-12446
> URL: https://issues.jenkins-ci.org/browse/JENKINS-12446
> Project: Jenkins
> Issue Type: Bug
> Components: core
> Affects Versions: current
> Environment: Linux
> Reporter: aaronlab
> Assignee: Kohsuke Kawaguchi
> Priority: Blocker
> Attachments: winstone.log
>
>
> This issue started happening since 1.446+ (meaning, 446, 447, 448).
> Apparently either jenkins core or some plugin is using slf4j, but neither
> Jenkins, nor the plugin ships with any slf4 implementations, resulting the in
> following stack trace on startup...
> Failed to instantiate SLF4J LoggerFactory
> Reported exception:
> java.lang.NoClassDefFoundError: org.slf4j.impl.StaticLoggerBinder
> at org.slf4j.LoggerFactory.bind(LoggerFactory.java:121)
> at
> org.slf4j.LoggerFactory.performInitialization(LoggerFactory.javCaused by:
> java.lang.ClassNotFoundException: org.slf4j.impl.StaticLoggerBinder
> at
> java.lang.ClassNotFoundException.<init>(ClassNotFoundException.java:77)
> at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1524)
> at
> org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1491)
> ... 22 more
> I was able to get Jenkins to start fine by manually downloading the
> slf4j-simple directly from maven and putting it into WEB-INF/lib... but,
> without that file, Jenkins is 100% unusable.
> http://repo2.maven.org/maven2/org/slf4j/slf4j-simple/1.6.1/slf4j-simple-1.6.1.jar
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