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https://issues.apache.org/jira/browse/OPENEJB-1408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014494#comment-13014494
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Michael Glauche commented on OPENEJB-1408:
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The attached patch provides a slf4j logging facility. To use it you'll need
slf4-api in your classpath and add a line like this before the openejb server
is started:
System.setProperty("openejb.log.factory",
"org.apache.openejb.util.Slf4jLogStreamFactory");
To exclude other logging frameworks needed by openejb or its dependencies i'm
using the following with maven2:
<dependency>
<groupId>org.apache.openejb</groupId>
<artifactId>openejb-core</artifactId>
<version>3.1.4</version>
<scope>test</scope>
<!-- exclude logging libraries -->
<exclusions>
<exclusion>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
</exclusion>
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
</exclusions>
</dependency>
> Allow another logging framework to be used
> ------------------------------------------
>
> Key: OPENEJB-1408
> URL: https://issues.apache.org/jira/browse/OPENEJB-1408
> Project: OpenEJB
> Issue Type: Wish
> Affects Versions: 3.1.4
> Reporter: Eric Gulatee
> Attachments: openejb-slf4j.patch
>
>
> Would be nice not to force a logging framework.
> OpenEJB drags log4j into a project which causes issues.
> If OpenEJB stuck to "Public" Log4J API, it would be possible to switch
> logging implementations using SLF4J & Wrappers.
> Currently:
> There is a HardCoded dependency on: org.apache.log4j.Layout
> Caused by org.apache.log4j.Layout
> java.net.URLClassLoader.findClass(URLClassLoader.java:497)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:639)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:605)
> at java.lang.J9VMInternals.verifyImpl(Native Method)
> at java.lang.J9VMInternals.verify(J9VMInternals.java:69)
> at java.lang.J9VMInternals.initialize(J9VMInternals.java:131)
> at org.apache.openejb.util.Logger.configure(Logger.java:61)
> at org.apache.openejb.util.Logger.<clinit>(Logger.java:29)
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