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https://issues.apache.org/jira/browse/KARAF-7389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jean-Baptiste Onofré resolved KARAF-7389.
-----------------------------------------
    Fix Version/s: 4.4.1
                   4.3.8
       Resolution: Fixed

> Problem installing features with embedded config
> ------------------------------------------------
>
>                 Key: KARAF-7389
>                 URL: https://issues.apache.org/jira/browse/KARAF-7389
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf
>    Affects Versions: 4.4.0, 4.3.6, 4.2.15
>            Reporter: Grzegorz Grzybek
>            Assignee: Jean-Baptiste Onofré
>            Priority: Major
>             Fix For: 4.4.1, 4.3.8
>
>
> I've just seen this when installing Pax Web 8.0.1-SNAPSHOT features:
> {noformat}
> 2022-02-08T13:25:32,180 | INFO  | 
> fileinstall-/data/servers/apache-karaf-4.4.0-SNAPSHOT/etc | fileinstall       
>                | 17 - org.apache.felix.fileinstall - 3.7.4 | Updating 
> configuration {org.ops4j.pax.web} from 
> /data/servers/apache-karaf-4.4.0-SNAPSHOT/etc/org.ops4j.pax.web.cfg
> 2022-02-08T13:25:32,184 | ERROR | 
> fileinstall-/data/servers/apache-karaf-4.4.0-SNAPSHOT/etc | fileinstall       
>                | 17 - org.apache.felix.fileinstall - 3.7.4 | Failed to 
> install artifact: 
> /data/servers/apache-karaf-4.4.0-SNAPSHOT/etc/org.ops4j.pax.web.cfg
> java.lang.RuntimeException: java.lang.IllegalArgumentException: Key [] must 
> not be an empty string
>       at 
> org.apache.felix.fileinstall.internal.ConfigInstaller.update0(ConfigInstaller.java:649)
>  ~[!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.ConfigInstaller.setConfig(ConfigInstaller.java:411)
>  ~[!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.ConfigInstaller.install(ConfigInstaller.java:192)
>  ~[!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.DirectoryWatcher.install(DirectoryWatcher.java:950)
>  [!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.DirectoryWatcher.install(DirectoryWatcher.java:884)
>  [!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.DirectoryWatcher.doProcess(DirectoryWatcher.java:489)
>  [!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.DirectoryWatcher.process(DirectoryWatcher.java:365)
>  [!/:3.7.4]
>       at 
> org.apache.felix.fileinstall.internal.DirectoryWatcher.run(DirectoryWatcher.java:316)
>  [!/:3.7.4]
> Caused by: java.lang.IllegalArgumentException: Key [] must not be an empty 
> string
>       at 
> org.apache.felix.cm.impl.CaseInsensitiveDictionary.checkKey(CaseInsensitiveDictionary.java:269)
>  ~[?:?]
>       at 
> org.apache.felix.cm.impl.CaseInsensitiveDictionary.<init>(CaseInsensitiveDictionary.java:73)
>  ~[?:?]
>       at 
> org.apache.felix.cm.impl.ConfigurationImpl.update(ConfigurationImpl.java:452) 
> ~[?:?]
>       at 
> org.apache.felix.cm.impl.ConfigurationAdapter.updateIfDifferent(ConfigurationAdapter.java:204)
>  ~[?:?]
>       at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) ~[?:?]
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_312]
>       at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_312]
>       at 
> org.apache.felix.fileinstall.internal.ConfigInstaller.update0(ConfigInstaller.java:641)
>  ~[!/:3.7.4]
>       ... 7 more
> {noformat}



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