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https://issues.apache.org/jira/browse/FELIX-6519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17518669#comment-17518669
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Carsten Ziegeler commented on FELIX-6519:
-----------------------------------------

This looks like a karaf bug to me  - configadmin behaves as expected

> Read only logging config prevents log:tail
> ------------------------------------------
>
>                 Key: FELIX-6519
>                 URL: https://issues.apache.org/jira/browse/FELIX-6519
>             Project: Felix
>          Issue Type: Bug
>          Components: Configuration Admin
>            Reporter: Greg Logan
>            Priority: Trivial
>
> Upon execution of log:tail in a Karaf console where the logging config file 
> is read-only, the command fails with the following stack trace
> {noformat}
> 2022-03-24T23:52:44,003 | ERROR | (ShellUtil:152) - Exception caught while 
> executing command
> org.osgi.service.cm.ReadOnlyConfigurationException: Configuration 
> org.ops4j.pax.logging is read-only
>     at 
> org.apache.felix.cm.impl.ConfigurationAdapter.checkLocked(ConfigurationAdapter.java:370)
>  ~[?:?]
>     at 
> org.apache.felix.cm.impl.ConfigurationAdapter.update(ConfigurationAdapter.java:144)
>  ~[?:?]
>     at 
> org.apache.karaf.log.core.internal.LogServiceImpl.setLevel(LogServiceImpl.java:109)
>  ~[?:?]
>     at 
> org.apache.karaf.log.command.LogTail$LogServiceTracker.addingService(LogTail.java:95)
>  ~[?:?]
>     at 
> org.apache.karaf.log.command.LogTail$LogServiceTracker.addingService(LogTail.java:76)
>  ~[?:?]
>     at 
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:941)
>  ~[osgi.core-6.0.0.jar:?]
>     at 
> org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:870)
>  ~[osgi.core-6.0.0.jar:?]
>     at 
> org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256) 
> ~[osgi.core-6.0.0.jar:?]
>     at 
> org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:183) 
> ~[osgi.core-6.0.0.jar:?]
>     at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:318) 
> ~[osgi.core-6.0.0.jar:?]
>     at org.osgi.util.tracker.ServiceTracker.open(ServiceTracker.java:261) 
> ~[osgi.core-6.0.0.jar:?]
>     at org.apache.karaf.log.command.LogTail.execute(LogTail.java:54) ~[?:?]
>     at 
> org.apache.karaf.shell.impl.action.command.ActionCommand.execute(ActionCommand.java:84)
>  ~[?:?]
>     at 
> org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:68)
>  ~[?:?]
>     at 
> org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:86)
>  ~[?:?]
>     at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:599) 
> ~[?:?]
>     at 
> org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:526) 
> ~[?:?]
>     at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:415) ~[?:?]
>     at org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:416) ~[?:?]
>     at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:229) ~[?:?]
>     at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:59) ~[?:?]
>     at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
>     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>  ~[?:?]
>     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>  ~[?:?]
>     at java.lang.Thread.run(Thread.java:829) [?:?]{noformat}
> Operations are otherwise unimpeded, but it makes debugging harder :)



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