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https://issues.apache.org/jira/browse/KARAF-5174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16089466#comment-16089466
 ] 

Steinar Bang edited comment on KARAF-5174 at 7/17/17 8:06 AM:
--------------------------------------------------------------

Tried this with karaf 4.1.2-SNAPSHOT on Windows 10, java 1.8_102, and karaf 
still crashes/hangs on "feature:uninstall liquibase-core".

The karaf.log file is attached as karaf.zip

Here's what I did:
# Cloned karaf, switched to the karaf-4.1.x branch, and built with "mvn 
-Pfastinstall"
# Unpacked karaf/assemblies/apache-karaf/target/apache-karaf-4.1.2-SNAPSHOT.zip 
and started with bin\karaf.bat
# Cloned liquibase-core and built with maven
# Installed liquibase-core and uninstalled it again (the first failed 
repo-install was because I hadn't built liquibase-core on this machine)
{noformat}
c:\ProgramFiles\apache-karaf-4.1.2-SNAPSHOT>bin\karaf.bat debug
Listening for transport dt_socket at address: 5005
        __ __                  ____
       / //_/____ __________ _/ __/
      / ,<  / __ `/ ___/ __ `/ /_
     / /| |/ /_/ / /  / /_/ / __/
    /_/ |_|\__,_/_/   \__,_/_/

  Apache Karaf (4.1.2-SNAPSHOT)

Hit '<tab>' for a list of available commands
and '[cmd] --help' for help on a specific command.
Hit '<ctrl-d>' or type 'system:shutdown' or 'logout' to shutdown Karaf.

karaf@root()> feature:repo-add 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
Adding feature url 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
Error executing command: Error resolving artifact 
no.priv.bang.karaf:liquibase-core-karaf:xml:features:LATEST : 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
karaf@root()> feature:repo-add 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
Adding feature url 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
karaf@root()> feature:install liquibase-core
karaf@root()> feature:uninstall liquibase-core
karaf@root()>
{noformat}
Karaf hangs at the final prompt, takes no commands, and (on Windows) doesn't 
even respond to Ctrl-C 



was (Author: s...@dod.no):
Tried this with karaf 4.1.2-SNAPSHOT on Windows 10, java 1.8_102, and karaf 
still crashes/hangs on "feature:uninstall liquibase-core".

The karaf.log file is attached as karaf.zip

Here's what I did:
# Cloned karaf and built with "mvn -Pfastinstall"
# Unpacked karaf/assemblies/apache-karaf/target/apache-karaf-4.1.2-SNAPSHOT.zip 
and started with bin\karaf.bat
# Cloned liquibase-core and built with maven
# Installed liquibase-core and uninstalled it again (the first failed 
repo-install was because I hadn't built liquibase-core on this machine)
{noformat}
c:\ProgramFiles\apache-karaf-4.1.2-SNAPSHOT>bin\karaf.bat debug
Listening for transport dt_socket at address: 5005
        __ __                  ____
       / //_/____ __________ _/ __/
      / ,<  / __ `/ ___/ __ `/ /_
     / /| |/ /_/ / /  / /_/ / __/
    /_/ |_|\__,_/_/   \__,_/_/

  Apache Karaf (4.1.2-SNAPSHOT)

Hit '<tab>' for a list of available commands
and '[cmd] --help' for help on a specific command.
Hit '<ctrl-d>' or type 'system:shutdown' or 'logout' to shutdown Karaf.

karaf@root()> feature:repo-add 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
Adding feature url 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
Error executing command: Error resolving artifact 
no.priv.bang.karaf:liquibase-core-karaf:xml:features:LATEST : 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
karaf@root()> feature:repo-add 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
Adding feature url 
mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
karaf@root()> feature:install liquibase-core
karaf@root()> feature:uninstall liquibase-core
karaf@root()>
{noformat}
Karaf hangs at the final prompt, takes no commands, and (on Windows) doesn't 
even respond to Ctrl-C 


> Uninstalling feature using liquibase-slf4j crashes karaf
> --------------------------------------------------------
>
>                 Key: KARAF-5174
>                 URL: https://issues.apache.org/jira/browse/KARAF-5174
>             Project: Karaf
>          Issue Type: Bug
>    Affects Versions: 4.1.1
>         Environment: Java 1.8 64 bit, windows 7 64bit, debian "jessie" 
> GNU/linux 64bit
>            Reporter: Steinar Bang
>            Assignee: Jean-Baptiste Onofré
>             Fix For: 4.2.0, 4.1.2
>
>         Attachments: karaf.log.gz, karaf.zip
>
>
> To reproduce:
> # clone this project and build it with maven:
> {noformat}
> mkdir -p ~/git
> cd ~/git
> git clone https://github.com/steinarb/liquibase-karaf-feature/
> cd liquibase-karaf-feature
> mvn clean install
> {noformat}
> # start karaf and give the following commands to the karaf console:
> {noformat}
> feature:repo-add 
> mvn:no.priv.bang.karaf/liquibase-core-karaf/LATEST/xml/features
> feature:install liquibase-core
> {noformat}
> # uninstall the feature
> {noformat}
> feature:uninstall liquibase-core
> {noformat}
> Karaf will now output the following and hang:
> {noformat}
> karaf@root()> feature:install liquibase-core
> karaf@root()> feature:uninstall liquibase-core
> karaf@root()>
> java.lang.IllegalStateException: No inital startlevel yet
>         at 
> org.apache.felix.framework.FrameworkStartLevelImpl.setStartLevel(FrameworkStartLevelImpl.java:131)
>         at org.apache.karaf.main.Main.setStartLevel(Main.java:605)
>         at 
> org.apache.karaf.main.Main$KarafLockCallback.lockAquired(Main.java:711)
>         at org.apache.karaf.main.Main.doMonitor(Main.java:382)
>         at org.apache.karaf.main.Main.access$100(Main.java:75)
>         at org.apache.karaf.main.Main$3.run(Main.java:369)
> {noformat}
> On karaf 4.0.7 the crash on uninstall doesn't happen.
> If the liquibase-slf4j fragment bundle is removed from the liquibase-core 
> feature, the crash on uninstall doesn't happen.



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