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https://issues.apache.org/jira/browse/SLING-527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12604519#action_12604519
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Felix Meschberger commented on SLING-527:
-----------------------------------------
The problem is that the commons/testing library is packaged into the war file.
This library is not a bundle and has no Bundle-SymbolicName header hence the
LogService tries to acquire a logger with a null-name which fails.
Two issues:
* Why is the commons/testing library packaged into the war ?
* The LogService implementation should cope with the "null" value for the
symbolic name
> NullPointerException running the launchpad/webapp
> -------------------------------------------------
>
> Key: SLING-527
> URL: https://issues.apache.org/jira/browse/SLING-527
> Project: Sling
> Issue Type: Bug
> Components: Commons Log, Launchpad Launcher
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
>
> After the latest changes to commons/log, there are NullPointerExceptions when
> running the launchpad/webapp with Maven -- both with integration-tests and
> jetty:run.
> The stacktraces at startup are as follows:
> [INFO] Context path = /
> [INFO] Tmp directory = /usr/src/sling/head/launchpad/webapp/target/work
> [INFO] Web defaults = jetty default
> [INFO] Web overrides = none
> [INFO] Webapp directory =
> /usr/src/sling/head/launchpad/webapp/target/org.apache.sling.launchpad.webapp-3-incubator-SNAPSHOT
> [INFO] Starting jetty 6.1.5 ...
> 2008-06-12 15:15:26.283::INFO: jetty-6.1.5
> 2008-06-12 15:15:26.403::INFO: No Transaction manager found - if your webapp
> requires one, please configure one.
> 2008-06-12 15:15:31.140:/:WARN: ERROR: EventDispatcher: Error during
> dispatch. (java.lang.NullPointerException)
> java.lang.NullPointerException
> at
> org.apache.sling.commons.log.slf4j.LogConfigManager.getLoggerConfig(LogConfigManager.java:551)
> at
> org.apache.sling.commons.log.slf4j.LogConfigManager.getLogger(LogConfigManager.java:179)
> at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:88)
> at
> org.apache.sling.commons.log.LogSupport.getLogger(LogSupport.java:322)
> at org.apache.sling.commons.log.LogSupport.logOut(LogSupport.java:333)
> at
> org.apache.sling.commons.log.LogSupport.fireLogEvent(LogSupport.java:167)
> at
> org.apache.sling.commons.log.LogSupport.bundleChanged(LogSupport.java:216)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:690)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:619)
> at
> org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:816)
> at
> org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:42)
> at
> org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:94)
> at java.lang.Thread.run(Thread.java:619)
> 2008-06-12 15:15:31.141:/:WARN: ERROR: EventDispatcher: Error during
> dispatch. (java.lang.NullPointerException)
> java.lang.NullPointerException
> at
> org.apache.sling.commons.log.slf4j.LogConfigManager.getLoggerConfig(LogConfigManager.java:551)
> at
> org.apache.sling.commons.log.slf4j.LogConfigManager.getLogger(LogConfigManager.java:179)
> at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:88)
> at
> org.apache.sling.commons.log.LogSupport.getLogger(LogSupport.java:322)
> at org.apache.sling.commons.log.LogSupport.logOut(LogSupport.java:333)
> at
> org.apache.sling.commons.log.LogSupport.fireLogEvent(LogSupport.java:167)
> at
> org.apache.sling.commons.log.LogSupport.bundleChanged(LogSupport.java:216)
> at
> org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:690)
> at
> org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:619)
> at
> org.apache.felix.framework.util.EventDispatcher.run(EventDispatcher.java:816)
> at
> org.apache.felix.framework.util.EventDispatcher.access$000(EventDispatcher.java:42)
> at
> org.apache.felix.framework.util.EventDispatcher$1.run(EventDispatcher.java:94)
> at java.lang.Thread.run(Thread.java:619)
> 2008-06-12 15:15:31.331:/:INFO: sling: Servlet sling initialized
> 2008-06-12 15:15:31.343::INFO: Started [EMAIL PROTECTED]:8888
> [INFO] Started Jetty Server
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