[
https://issues.apache.org/jira/browse/SLING-6044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16223715#comment-16223715
]
Jörg Hoh edited comment on SLING-6044 at 10/29/17 10:28 AM:
------------------------------------------------------------
I did a try with org.apache.sling.commons.log (version 5.0.0) and
org.apache.sling.commons.logservice (version 1.0.6) and I can still reproduce
it:
```
9.10.2017 11:23:12.980 *ERROR* [CM Configuration Updater (Update:
pid=org.apache.sling.commons.log.LogManager)] org.apache.felix.configadmin
Service [org.apache.felix.cm.ConfigurationAdmin,11,
[org.osgi.service.cm.ConfigurationAdmin]] [org.osgi.service.cm.ManagedService,
id=13, bundle=9/slinginstall:org.apache.sling.commons.log-5.0.0.jar]: Updating
property org.apache.sling.commons.log.file of configuration
org.apache.sling.commons.log.LogManager caused a problem: LogFile
/Users/jhoh/aem630/crx-quickstart/logs/error.log already configured by
configuration
org.apache.sling.commons.log.LogManager.factory.writer.12de6e32-dc7c-44ab-a696-b09d6c1d7c23
(org.osgi.service.cm.ConfigurationException: org.apache.sling.commons.log.file
: LogFile /Users/jhoh/aem630/crx-quickstart/logs/error.log already configured
by configuration
org.apache.sling.commons.log.LogManager.factory.writer.12de6e32-dc7c-44ab-a696-b09d6c1d7c23)
org.osgi.service.cm.ConfigurationException: org.apache.sling.commons.log.file :
LogFile /Users/jhoh/aem630/crx-quickstart/logs/error.log already configured by
configuration
org.apache.sling.commons.log.LogManager.factory.writer.12de6e32-dc7c-44ab-a696-b09d6c1d7c23
at
org.apache.sling.commons.log.logback.internal.config.GlobalConfigurator.updated(GlobalConfigurator.java:32)
at
org.apache.felix.cm.impl.helper.ManagedServiceTracker.updated(ManagedServiceTracker.java:189)
at
org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:152)
at
org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:85)
at
org.apache.felix.cm.impl.ConfigurationManager$UpdateConfiguration.run(ConfigurationManager.java:1583)
at org.apache.felix.cm.impl.UpdateThread.run0(UpdateThread.java:138)
at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:105)
at java.lang.Thread.run(Thread.java:748)
Caused by:
org.apache.sling.commons.log.logback.internal.config.ConfigurationException:
at
org.apache.sling.commons.log.logback.internal.LogConfigManager.updateLogWriter(LogConfigManager.java:417)
at
org.apache.sling.commons.log.logback.internal.LogConfigManager.updateGlobalConfiguration(LogConfigManager.java:346)
at
org.apache.sling.commons.log.logback.internal.config.GlobalConfigurator.updated(GlobalConfigurator.java:30)
... 7 common frames omitted
```
(I modified the "Message pattern" property in the
org.apache.sling.commons.log.LogManager)
was (Author: joerghoh):
I did a try with org.apache.sling.commons.log (version 5.0.0) and
org.apache.sling.commons.logservice (version 1.0.6) and it seems to be gone.
> Conflicting LogManager and LogWriter if using the same logfile
> --------------------------------------------------------------
>
> Key: SLING-6044
> URL: https://issues.apache.org/jira/browse/SLING-6044
> Project: Sling
> Issue Type: Improvement
> Components: Commons
> Affects Versions: Commons Log 4.0.2
> Reporter: Jörg Hoh
> Assignee: Chetan Mehrotra
> Fix For: Commons Log 5.0.4
>
> Attachments: SLING-6044-multiple-loggers-writers.jpg
>
>
> When you have a logmanager and a logwriter pointing to the same file, you get
> an exception like this:
> {panel}
> 07.09.2016 17:33:31.126 *ERROR* [] CM Configuration Updater (Update:
> pid=org.apache.sling.commons.log.LogManager) org.apache.felix.configadmin
> Service [org.apache.felix.cm.ConfigurationAdmin,9,
> [org.osgi.service.cm.ConfigurationAdmin]]
> [org.osgi.service.cm.ManagedService, id=10,
> bundle=7/slinginstall:c:\java\IBM\LibertyProfile\usr\servers\aem-1\sling\_\launchpad\startup\1\org.apache.sling.commons.log-4.0.0.jar]:
> Updating property org.apache.sling.commons.log.file of configuration
> org.apache.sling.commons.log.LogManager caused a problem: LogFile
> C:\java\IBM\LibertyProfile\usr\servers\aem-1\aemlogs\logs\error.log already
> configured by configuration
> org.apache.sling.commons.log.LogManager.factory.writer.8402a603-bdef-4404-9ff1-0e0f592578af
> (org.osgi.service.cm.ConfigurationException:
> org.apache.sling.commons.log.file : LogFile
> C:\java\IBM\LibertyProfile\usr\servers\aem-1\aemlogs\logs\error.log already
> configured by configuration
> org.apache.sling.commons.log.LogManager.factory.writer.8402a603-bdef-4404-9ff1-0e0f592578af)
>
> org.osgi.service.cm.ConfigurationException: org.apache.sling.commons.log.file
> : LogFile C:\java\IBM\LibertyProfile\usr\servers\aem-1\aemlogs\logs\error.log
> already configured by configuration
> org.apache.sling.commons.log.LogManager.factory.writer.8402a603-bdef-4404-9ff1-0e0f592578af
>
> at
> org.apache.sling.commons.log.logback.internal.config.GlobalConfigurator.updated(GlobalConfigurator.java:32)
> at
> org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:148)
>
> at
> org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:81)
>
> at
> org.apache.felix.cm.impl.ConfigurationManager$UpdateConfiguration.run(ConfigurationManager.java:1744)
>
> at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:103)
> at java.lang.Thread.run(Thread.java:744)
> Caused by:
> org.apache.sling.commons.log.logback.internal.config.ConfigurationException:
> at
> org.apache.sling.commons.log.logback.internal.LogConfigManager.updateLogWriter(LogConfigManager.java:398)
>
> at
> org.apache.sling.commons.log.logback.internal.LogConfigManager.updateGlobalConfiguration(LogConfigManager.java:327)
>
> at
> org.apache.sling.commons.log.logback.internal.config.GlobalConfigurator.updated(GlobalConfigurator.java:30)
>
> ... 5 common frames omitted
> {panel}
> Obviously the Logmanager internally provides a Logwriter, so these conflict.
> This should be documented.
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