[ 
https://issues.apache.org/jira/browse/KARAF-7389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17488831#comment-17488831
 ] 

Grzegorz Grzybek edited comment on KARAF-7389 at 2/8/22, 1:08 PM:
------------------------------------------------------------------

Got it. In 
{{org.apache.felix.fileinstall.internal.ConfigInstaller#setConfig()}}:
{noformat}
ht = {java.util.Hashtable@7642}  size = 7
 {@7681} "javax.servlet.context.tempdir" -> {@7682} 
"/data/servers/apache-karaf-4.4.0-SNAPSHOT/data/pax-web/tmp"
 {@7683} "org.osgi.service.http.enabled" -> {@7684} "true"
 {@7685} "org.osgi.service.http.port" -> {@7686} "8181"
 {@7687} "org.apache.karaf.features.configKey" -> {@7688} "org.ops4j.pax.web"
 {@7689} "org.osgi.service.http.secure.enabled" -> {@7690} "false"
 {@7691} "felix.fileinstall.filename" -> {@7692} 
"file:/data/servers/apache-karaf-4.4.0-SNAPSHOT/etc/org.ops4j.pax.web.cfg"
 {@7639} "" -> {@7693} 
"/data/servers/apache-karaf-4.4.0-SNAPSHOT/etc/server.keystore"
{noformat}

However it doesn't look like Fileinstall fault, because the file itself is 
broken:
{noformat}
javax.servlet.context.tempdir = 
/data/servers/apache-karaf-4.4.0-SNAPSHOT/data/pax-web/tmp
org.apache.karaf.features.configKey = org.ops4j.pax.web
org.osgi.service.http.enabled = true
org.osgi.service.http.port = 8181
org.osgi.service.http.secure.enabled = false
 = ${karaf.etc}/server.keystore
#org.ops4j.pax.web.ssl.truststore.password = passw0rd
#org.ops4j.pax.web.ssl.truststore.type = JKS
#org.ops4j.pax.web.ssl.keystore = ${karaf.etc}/server.keystore
...
{noformat}


was (Author: gzres):
Got it. In 
{{org.apache.felix.fileinstall.internal.ConfigInstaller#setConfig()}}:
{noformat}
ht = {java.util.Hashtable@7642}  size = 7
 {@7681} "javax.servlet.context.tempdir" -> {@7682} 
"/data/servers/apache-karaf-4.4.0-SNAPSHOT/data/pax-web/tmp"
 {@7683} "org.osgi.service.http.enabled" -> {@7684} "true"
 {@7685} "org.osgi.service.http.port" -> {@7686} "8181"
 {@7687} "org.apache.karaf.features.configKey" -> {@7688} "org.ops4j.pax.web"
 {@7689} "org.osgi.service.http.secure.enabled" -> {@7690} "false"
 {@7691} "felix.fileinstall.filename" -> {@7692} 
"file:/data/servers/apache-karaf-4.4.0-SNAPSHOT/etc/org.ops4j.pax.web.cfg"
 {@7639} "" -> {@7693} 
"/data/servers/apache-karaf-4.4.0-SNAPSHOT/etc/server.keystore"
{noformat}

However it doesn't look like Fileinstall fault, because the file itself is 
broken:
{noformat}
javax.servlet.context.tempdir = 
/data/servers/apache-karaf-4.4.0-SNAPSHOT/data/pax-web/tmp
org.apache.karaf.features.configKey = org.ops4j.pax.web
org.osgi.service.http.enabled = true
org.osgi.service.http.port = 8181
org.osgi.service.http.secure.enabled = false
 = ${karaf.etc}/server.keystore
#org.ops4j.pax.web.ssl.truststore.password = passw0rd
#org.ops4j.pax.web.ssl.truststore.type = JKS
#org.ops4j.pax.web.ssl.keystore = ${karaf.etc}/server.keystore
{noformat}

> Problem installing features with embedded config
> ------------------------------------------------
>
>                 Key: KARAF-7389
>                 URL: https://issues.apache.org/jira/browse/KARAF-7389
>             Project: Karaf
>          Issue Type: Bug
>            Reporter: Grzegorz Grzybek
>            Assignee: Grzegorz Grzybek
>            Priority: Major
>
> 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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