Re: Flyway and Karaf

[Kushal Gautam]

Hi again JB:

The problem seemed to have originated from Flyway's classloader, as it
could not load the Logger implementations. Adding a custom LogCreator and
Logger implementations did resolve the issue. (
https://github.com/cooshal/karaf-flyway/tree/master/db-migrations/flyway-provider/src/main/java/com/example/infrastructure).
These custom log implementations were used here (
https://github.com/cooshal/karaf-flyway/blob/master/db-migrations/flyway-provider/src/main/java/com/example/db/migrations/FlywayDBMigrations.java#L19
)

Trying the fix after restarting Karaf did resolve the issue. For those, who
might face this issue in the future, I have a working demo here (
https://github.com/cooshal/karaf-flyway).

Thank you for your help.

Regards,
Cooshal.

On Fri, Aug 2, 2019 at 11:31 AM Kushal Gautam 
wrote:

> Hi:
>
> I will try that today.
>
> It seems like this is an issue between Flyway and Logging library.
> Although, this error is not very clearly displayed, but I got this error,
> and it was a known issue of flyway and osgi.
>
> I will post back with results.
>
> On Fri, Aug 2, 2019 at 8:17 AM Jean-Baptiste Onofré 
> wrote:
>
>> That's normal, a fragment can be started.
>>
>> By the bay, did you try a simple dynamic import (with the bundle) ?
>>
>> Regards
>> JB
>>
>> On 01/08/2019 09:00, Kushal Gautam wrote:
>> > Hi JB:
>> >
>> > I tried the configuration below, following the example
>> > (
>> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
>> )
>> >
>> > 
>> > org.apache.felix
>> > maven-bundle-plugin
>> > true
>> > 
>> > 
>> > org.flywaydb.core
>> > 
>> > db.migration,
>> > com.example.db.migrations
>> > 
>> > 
>> > org.flywaydb.core.*,
>> > com.example.db.migrations.*,
>> > org.osgi.framework,
>> > com.h2database
>> > 
>> > 
>> > 
>> > 
>> > 
>> > bundle-manifest
>> > process-classes
>> > 
>> > manifest
>> > 
>> > 
>> > 
>> > 
>> >
>> > But, with this my bundle does not start
>> >
>> > Suppressed: java.lang.Exception: Error starting bundle 85: Fragment
>> > bundles can not be started.
>> > at
>> >
>> org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:67)
>> > ~[?:?]
>> > at
>> >
>> org.apache.karaf.bundle.command.BundlesCommand.execute(BundlesCommand.java:55)
>> > ~[?:?]
>> > 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:571)
>> ~[?:?]
>> > at
>> > org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
>> > ~[?:?]
>> > at
>> > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
>> > at
>> > org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) ~[?:?]
>> > 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:266) ~[?:?]
>> > at
>> >
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>> > ~[?:?]
>> > at
>> >
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>> > ~[?:?]
>> > at java.lang.Thread.run(Thread.java:745) [?:?]
>> > Caused by: org.osgi.framework.BundleException: Fragment bundles
>> > can not be started.
>> > at
>> > org.apache.felix.framework.Felix.startBundle(Felix.java:1986) ~[?:?]
>> > at
>> > org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
>> > at
>> > org.apache.karaf.bundle.command.Start.executeOnBundle(Start.java:38)
>> ~[?:?]
>> > at
>> >
>> org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:65)
>> > ~[?:?]
>> > ... 14 more
>> >
>> > What exactly can I do here, to resolve this?
>> >
>> > Thank you.
>> >
>> > Regards,
>> > Cooshal.
>> >
>> > On Thu, Aug 1, 2019 at 6:40 AM Jean-Baptiste Onofré > > > wrote:
>> >
>> > Yes, it's what I meant: you have to "gather" the classloaders.
>> >
>> > An option to add all flyway bundles as require bundle/private
>> package in
>> > your own bundle. Like 

Re: Flyway and Karaf

[Kushal Gautam]

Hi:

I will try that today.

It seems like this is an issue between Flyway and Logging library.
Although, this error is not very clearly displayed, but I got this error,
and it was a known issue of flyway and osgi.

I will post back with results.

On Fri, Aug 2, 2019 at 8:17 AM Jean-Baptiste Onofré  wrote:

> That's normal, a fragment can be started.
>
> By the bay, did you try a simple dynamic import (with the bundle) ?
>
> Regards
> JB
>
> On 01/08/2019 09:00, Kushal Gautam wrote:
> > Hi JB:
> >
> > I tried the configuration below, following the example
> > (
> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
> )
> >
> > 
> > org.apache.felix
> > maven-bundle-plugin
> > true
> > 
> > 
> > org.flywaydb.core
> > 
> > db.migration,
> > com.example.db.migrations
> > 
> > 
> > org.flywaydb.core.*,
> > com.example.db.migrations.*,
> > org.osgi.framework,
> > com.h2database
> > 
> > 
> > 
> > 
> > 
> > bundle-manifest
> > process-classes
> > 
> > manifest
> > 
> > 
> > 
> > 
> >
> > But, with this my bundle does not start
> >
> > Suppressed: java.lang.Exception: Error starting bundle 85: Fragment
> > bundles can not be started.
> > at
> >
> org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:67)
> > ~[?:?]
> > at
> >
> org.apache.karaf.bundle.command.BundlesCommand.execute(BundlesCommand.java:55)
> > ~[?:?]
> > 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:571) ~[?:?]
> > at
> > org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
> > ~[?:?]
> > at
> > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
> > at
> > org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) ~[?:?]
> > 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:266) ~[?:?]
> > at
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> > ~[?:?]
> > at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> > ~[?:?]
> > at java.lang.Thread.run(Thread.java:745) [?:?]
> > Caused by: org.osgi.framework.BundleException: Fragment bundles
> > can not be started.
> > at
> > org.apache.felix.framework.Felix.startBundle(Felix.java:1986) ~[?:?]
> > at
> > org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
> > at
> > org.apache.karaf.bundle.command.Start.executeOnBundle(Start.java:38)
> ~[?:?]
> > at
> >
> org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:65)
> > ~[?:?]
> > ... 14 more
> >
> > What exactly can I do here, to resolve this?
> >
> > Thank you.
> >
> > Regards,
> > Cooshal.
> >
> > On Thu, Aug 1, 2019 at 6:40 AM Jean-Baptiste Onofré  > > wrote:
> >
> > Yes, it's what I meant: you have to "gather" the classloaders.
> >
> > An option to add all flyway bundles as require bundle/private
> package in
> > your own bundle. Like this, all will be in your bundle classloader.
> >
> > Another option is to use fragment with your bundle as host (as a
> > fragment is just resolved, only the host is started).
> >
> > Regards
> > JB
> >
> > On 01/08/2019 06:36, Kushal Gautam wrote:
> > > Hi JB:
> > >
> > > Thank you for your reply.
> > >
> > > I tried the options I could.
> > >
> > > For example, some suggested that this problem was resolved by using
> > > Fragment-Host in maven-bundle-plugin as shown
> > >
> > here:
> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
> > >
> > > But, doing that, my bundle never started because it gives me
> another
> > > error saying: " ... cannot start the fragment host  "
> > >
> > > I am totally clueless.
> > >
> > > Regards,
> > > Cooshal.
> > >
> > > On Thu, Aug 1, 2019 at 6:23 AM Jean-Baptiste Onofré
> 

Re: Flyway and Karaf

[Jean-Baptiste Onofré]

That's normal, a fragment can be started.

By the bay, did you try a simple dynamic import (with the bundle) ?

Regards
JB

On 01/08/2019 09:00, Kushal Gautam wrote:
> Hi JB:
> 
> I tried the configuration below, following the example
> (https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml)
> 
> 
>     org.apache.felix
>     maven-bundle-plugin
>     true
>     
>         
>             org.flywaydb.core
>             
>                 db.migration,
>                 com.example.db.migrations
>             
>             
>                 org.flywaydb.core.*,
>                 com.example.db.migrations.*,
>                 org.osgi.framework,
>                 com.h2database
>             
>         
>     
>     
>         
>             bundle-manifest
>             process-classes
>             
>                 manifest
>             
>         
>     
> 
> 
> But, with this my bundle does not start
> 
> Suppressed: java.lang.Exception: Error starting bundle 85: Fragment
> bundles can not be started.
>                 at
> org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:67)
> ~[?:?]
>                 at
> org.apache.karaf.bundle.command.BundlesCommand.execute(BundlesCommand.java:55)
> ~[?:?]
>                 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:571) ~[?:?]
>                 at
> org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
> ~[?:?]
>                 at
> org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
>                 at
> org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) ~[?:?]
>                 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:266) ~[?:?]
>                 at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[?:?]
>                 at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> ~[?:?]
>                 at java.lang.Thread.run(Thread.java:745) [?:?]
>         Caused by: org.osgi.framework.BundleException: Fragment bundles
> can not be started.
>                 at
> org.apache.felix.framework.Felix.startBundle(Felix.java:1986) ~[?:?]
>                 at
> org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
>                 at
> org.apache.karaf.bundle.command.Start.executeOnBundle(Start.java:38) ~[?:?]
>                 at
> org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:65)
> ~[?:?]
>                 ... 14 more
> 
> What exactly can I do here, to resolve this?
> 
> Thank you.
> 
> Regards,
> Cooshal.
> 
> On Thu, Aug 1, 2019 at 6:40 AM Jean-Baptiste Onofré  > wrote:
> 
> Yes, it's what I meant: you have to "gather" the classloaders.
> 
> An option to add all flyway bundles as require bundle/private package in
> your own bundle. Like this, all will be in your bundle classloader.
> 
> Another option is to use fragment with your bundle as host (as a
> fragment is just resolved, only the host is started).
> 
> Regards
> JB
> 
> On 01/08/2019 06:36, Kushal Gautam wrote:
> > Hi JB:
> >
> > Thank you for your reply.
> >
> > I tried the options I could. 
> >
> > For example, some suggested that this problem was resolved by using
> > Fragment-Host in maven-bundle-plugin as shown
> >
> here: 
> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
> >
> > But, doing that, my bundle never started because it gives me another
> > error saying: " ... cannot start the fragment host  "
> >
> > I am totally clueless.
> >
> > Regards,
> > Cooshal.
> >
> > On Thu, Aug 1, 2019 at 6:23 AM Jean-Baptiste Onofré
> mailto:j...@nanthrax.net>
> > >> wrote:
> >
> >     Hi,
> >
> >     NoClassDefFoundError is certainly due to a class (or several
> classes) in
> >     different classloaders.
> >
> >     I don't know Flyway, so I have to take a look how they load the
> >     providers. It seems an issue in Flyway on OSGi.
> >
> >     Regards
> >     JB
> >
> >     On 31/07/2019 22:45, Kushal Gautam wrote:
> >     > Hi,
> >     >
> >     >  I am trying to use Flyway in my Karaf 

Re: Flyway and Karaf

[Kushal Gautam]

Hi JB:

I tried the configuration below, following the example (
https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
)


org.apache.felix
maven-bundle-plugin
true


org.flywaydb.core

db.migration,
com.example.db.migrations


org.flywaydb.core.*,
com.example.db.migrations.*,
org.osgi.framework,
com.h2database





bundle-manifest
process-classes

manifest





But, with this my bundle does not start

Suppressed: java.lang.Exception: Error starting bundle 85: Fragment bundles
can not be started.
at
org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:67)
~[?:?]
at
org.apache.karaf.bundle.command.BundlesCommand.execute(BundlesCommand.java:55)
~[?:?]
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:571) ~[?:?]
at
org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
~[?:?]
at
org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
at org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417)
~[?:?]
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:266)
~[?:?]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
~[?:?]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
~[?:?]
at java.lang.Thread.run(Thread.java:745) [?:?]
Caused by: org.osgi.framework.BundleException: Fragment bundles can
not be started.
at
org.apache.felix.framework.Felix.startBundle(Felix.java:1986) ~[?:?]
at
org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
at
org.apache.karaf.bundle.command.Start.executeOnBundle(Start.java:38) ~[?:?]
at
org.apache.karaf.bundle.command.BundlesCommand.doExecute(BundlesCommand.java:65)
~[?:?]
... 14 more

What exactly can I do here, to resolve this?

Thank you.

Regards,
Cooshal.

On Thu, Aug 1, 2019 at 6:40 AM Jean-Baptiste Onofré  wrote:

> Yes, it's what I meant: you have to "gather" the classloaders.
>
> An option to add all flyway bundles as require bundle/private package in
> your own bundle. Like this, all will be in your bundle classloader.
>
> Another option is to use fragment with your bundle as host (as a
> fragment is just resolved, only the host is started).
>
> Regards
> JB
>
> On 01/08/2019 06:36, Kushal Gautam wrote:
> > Hi JB:
> >
> > Thank you for your reply.
> >
> > I tried the options I could.
> >
> > For example, some suggested that this problem was resolved by using
> > Fragment-Host in maven-bundle-plugin as shown
> > here:
> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
> >
> > But, doing that, my bundle never started because it gives me another
> > error saying: " ... cannot start the fragment host  "
> >
> > I am totally clueless.
> >
> > Regards,
> > Cooshal.
> >
> > On Thu, Aug 1, 2019 at 6:23 AM Jean-Baptiste Onofré  > > wrote:
> >
> > Hi,
> >
> > NoClassDefFoundError is certainly due to a class (or several
> classes) in
> > different classloaders.
> >
> > I don't know Flyway, so I have to take a look how they load the
> > providers. It seems an issue in Flyway on OSGi.
> >
> > Regards
> > JB
> >
> > On 31/07/2019 22:45, Kushal Gautam wrote:
> > > Hi,
> > >
> > >  I am trying to use Flyway in my Karaf instance.
> > >
> > > I have prepared a demo to reproduce the error that I have
> > encountered at
> > > https://github.com/cooshal/karaf-flyway.
> > >
> > > I am using a custom built karaf distribution.
> > >
> > > I have created two different modules inside db-migrations:
> > > 1. flyway provider which has implementations to carry out flyway
> > migrations
> > > 2. karaf command, which invokes the implementation of flyway
> provider
> > > bundle.
> > >
> > > I tried following:
> > >
> > > karaf@root()> dbf:migrate
> > > Error executing command: 

Re: Flyway and Karaf

[Kushal Gautam]

Hi again:

I will try this again, with fragment host option. I guess I might have missed 
something minor. I will get back with results.

Thank you.

Regards,
Cooshal.

Regards,
Kushal.


From: Jean-Baptiste Onofré 
Sent: Thursday, August 1, 2019 6:40 AM
To: user@karaf.apache.org
Subject: Re: Flyway and Karaf

Yes, it's what I meant: you have to "gather" the classloaders.

An option to add all flyway bundles as require bundle/private package in
your own bundle. Like this, all will be in your bundle classloader.

Another option is to use fragment with your bundle as host (as a
fragment is just resolved, only the host is started).

Regards
JB

On 01/08/2019 06:36, Kushal Gautam wrote:
> Hi JB:
>
> Thank you for your reply.
>
> I tried the options I could.
>
> For example, some suggested that this problem was resolved by using
> Fragment-Host in maven-bundle-plugin as shown
> here: 
> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
>
> But, doing that, my bundle never started because it gives me another
> error saying: " ... cannot start the fragment host  "
>
> I am totally clueless.
>
> Regards,
> Cooshal.
>
> On Thu, Aug 1, 2019 at 6:23 AM Jean-Baptiste Onofré  <mailto:j...@nanthrax.net>> wrote:
>
> Hi,
>
> NoClassDefFoundError is certainly due to a class (or several classes) in
> different classloaders.
>
> I don't know Flyway, so I have to take a look how they load the
> providers. It seems an issue in Flyway on OSGi.
>
> Regards
> JB
>
> On 31/07/2019 22:45, Kushal Gautam wrote:
> > Hi,
> >
> >  I am trying to use Flyway in my Karaf instance.
> >
> > I have prepared a demo to reproduce the error that I have
> encountered at
> > https://github.com/cooshal/karaf-flyway.
> >
> > I am using a custom built karaf distribution.
> >
> > I have created two different modules inside db-migrations:
> > 1. flyway provider which has implementations to carry out flyway
> migrations
> > 2. karaf command, which invokes the implementation of flyway provider
> > bundle.
> >
> > I tried following:
> >
> > karaf@root()> dbf:migrate
> > Error executing command: java.lang.NoClassDefFoundError: Could not
> > initialize class org.flywaydb.core.Flyway
> >
> > karaf@root()> log:tail
> > 22:37:11.081 ERROR [Karaf local console user karaf] Exception caught
> > while executing command
> > java.util.concurrent.ExecutionException:
> java.lang.NoClassDefFoundError:
> > Could not initialize class org.flywaydb.core.Flyway
> > at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> > ~[?:?]
> > at
> java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:?]
> > at
> >
> org.apache.felix.gogo.runtime.CommandSessionImpl$JobImpl.run(CommandSessionImpl.java:829)
> > ~[?:?]
> > at
> >
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> > ~[?:?]
> > at
> java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:?]
> > at
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> > ~[?:?]
> > at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> > ~[?:?]
> > at java.lang.Thread.run(Thread.java:745) [?:?]
> > Caused by: java.lang.NoClassDefFoundError: Could not initialize class
> > org.flywaydb.core.Flyway
> > at
> >
> com.example.db.migrations.FlywayDBMigrations.migrate(FlywayDBMigrations.java:16)
> > ~[?:?]
> > at
> >
> com.example.flyway.command.MigrateDatabaseCommand.execute(MigrateDatabaseCommand.java:20)
> > ~[?:?]
> > 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:571)
> ~[?:?]
> > at
> >
> org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
> > ~[?:?]
> > at
> > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
> > at
> org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) ~[?:?]
> > at org.apache.felix.gogo.r

Re: Flyway and Karaf

[Jean-Baptiste Onofré]

Yes, it's what I meant: you have to "gather" the classloaders.

An option to add all flyway bundles as require bundle/private package in
your own bundle. Like this, all will be in your bundle classloader.

Another option is to use fragment with your bundle as host (as a
fragment is just resolved, only the host is started).

Regards
JB

On 01/08/2019 06:36, Kushal Gautam wrote:
> Hi JB:
> 
> Thank you for your reply.
> 
> I tried the options I could. 
> 
> For example, some suggested that this problem was resolved by using
> Fragment-Host in maven-bundle-plugin as shown
> here: 
> https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml
> 
> But, doing that, my bundle never started because it gives me another
> error saying: " ... cannot start the fragment host  "
> 
> I am totally clueless.
> 
> Regards,
> Cooshal.
> 
> On Thu, Aug 1, 2019 at 6:23 AM Jean-Baptiste Onofré  > wrote:
> 
> Hi,
> 
> NoClassDefFoundError is certainly due to a class (or several classes) in
> different classloaders.
> 
> I don't know Flyway, so I have to take a look how they load the
> providers. It seems an issue in Flyway on OSGi.
> 
> Regards
> JB
> 
> On 31/07/2019 22:45, Kushal Gautam wrote:
> > Hi,
> >
> >  I am trying to use Flyway in my Karaf instance.
> >
> > I have prepared a demo to reproduce the error that I have
> encountered at
> > https://github.com/cooshal/karaf-flyway.
> >
> > I am using a custom built karaf distribution.
> >
> > I have created two different modules inside db-migrations:
> > 1. flyway provider which has implementations to carry out flyway
> migrations
> > 2. karaf command, which invokes the implementation of flyway provider
> > bundle.
> >
> > I tried following:
> >
> > karaf@root()> dbf:migrate
> > Error executing command: java.lang.NoClassDefFoundError: Could not
> > initialize class org.flywaydb.core.Flyway
> >
> > karaf@root()> log:tail
> > 22:37:11.081 ERROR [Karaf local console user karaf] Exception caught
> > while executing command
> > java.util.concurrent.ExecutionException:
> java.lang.NoClassDefFoundError:
> > Could not initialize class org.flywaydb.core.Flyway
> >         at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> > ~[?:?]
> >         at
> java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:?]
> >         at
> >
> 
> org.apache.felix.gogo.runtime.CommandSessionImpl$JobImpl.run(CommandSessionImpl.java:829)
> > ~[?:?]
> >         at
> >
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> > ~[?:?]
> >         at
> java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:?]
> >         at
> >
> 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> > ~[?:?]
> >         at
> >
> 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> > ~[?:?]
> >         at java.lang.Thread.run(Thread.java:745) [?:?]
> > Caused by: java.lang.NoClassDefFoundError: Could not initialize class
> > org.flywaydb.core.Flyway
> >         at
> >
> 
> com.example.db.migrations.FlywayDBMigrations.migrate(FlywayDBMigrations.java:16)
> > ~[?:?]
> >         at
> >
> 
> com.example.flyway.command.MigrateDatabaseCommand.execute(MigrateDatabaseCommand.java:20)
> > ~[?:?]
> >         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:571)
> ~[?:?]
> >         at
> >
> org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
> > ~[?:?]
> >         at
> > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
> >         at
> org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) ~[?:?]
> >         at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:229)
> ~[?:?]
> >         at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:59)
> ~[?:?]
> >         ... 4 more
> >
> > I am getting this error from
> >
> 
> https://github.com/cooshal/karaf-flyway/tree/master/db-migrations/flyway-provider
> >
> > I also tried installing flyway-core bundle in Karaf, but it did not
> > work. I got the same error.
> >
> > Do I need to configure some settings in the pom file of this project?
> >
> 
> 

Re: Flyway and Karaf

[Kushal Gautam]

Hi JB:

Thank you for your reply.

I tried the options I could.

For example, some suggested that this problem was resolved by using
Fragment-Host in maven-bundle-plugin as shown here:
https://github.com/FlavioF/fabric8-osgi-flyway-example/blob/master/fabric8-osgi-flyway/pom.xml

But, doing that, my bundle never started because it gives me another error
saying: " ... cannot start the fragment host  "

I am totally clueless.

Regards,
Cooshal.

On Thu, Aug 1, 2019 at 6:23 AM Jean-Baptiste Onofré  wrote:

> Hi,
>
> NoClassDefFoundError is certainly due to a class (or several classes) in
> different classloaders.
>
> I don't know Flyway, so I have to take a look how they load the
> providers. It seems an issue in Flyway on OSGi.
>
> Regards
> JB
>
> On 31/07/2019 22:45, Kushal Gautam wrote:
> > Hi,
> >
> >  I am trying to use Flyway in my Karaf instance.
> >
> > I have prepared a demo to reproduce the error that I have encountered at
> > https://github.com/cooshal/karaf-flyway.
> >
> > I am using a custom built karaf distribution.
> >
> > I have created two different modules inside db-migrations:
> > 1. flyway provider which has implementations to carry out flyway
> migrations
> > 2. karaf command, which invokes the implementation of flyway provider
> > bundle.
> >
> > I tried following:
> >
> > karaf@root()> dbf:migrate
> > Error executing command: java.lang.NoClassDefFoundError: Could not
> > initialize class org.flywaydb.core.Flyway
> >
> > karaf@root()> log:tail
> > 22:37:11.081 ERROR [Karaf local console user karaf] Exception caught
> > while executing command
> > java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError:
> > Could not initialize class org.flywaydb.core.Flyway
> > at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> > ~[?:?]
> > at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> ~[?:?]
> > at
> >
> org.apache.felix.gogo.runtime.CommandSessionImpl$JobImpl.run(CommandSessionImpl.java:829)
> > ~[?:?]
> > at
> > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> > ~[?:?]
> > at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[?:?]
> > at
> >
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> > ~[?:?]
> > at
> >
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> > ~[?:?]
> > at java.lang.Thread.run(Thread.java:745) [?:?]
> > Caused by: java.lang.NoClassDefFoundError: Could not initialize class
> > org.flywaydb.core.Flyway
> > at
> >
> com.example.db.migrations.FlywayDBMigrations.migrate(FlywayDBMigrations.java:16)
> > ~[?:?]
> > at
> >
> com.example.flyway.command.MigrateDatabaseCommand.execute(MigrateDatabaseCommand.java:20)
> > ~[?:?]
> > 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:571) ~[?:?]
> > at
> > org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
> > ~[?:?]
> > at
> > org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
> > at org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417)
> ~[?:?]
> > at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:229) ~[?:?]
> > at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:59) ~[?:?]
> > ... 4 more
> >
> > I am getting this error from
> >
> https://github.com/cooshal/karaf-flyway/tree/master/db-migrations/flyway-provider
> >
> > I also tried installing flyway-core bundle in Karaf, but it did not
> > work. I got the same error.
> >
> > Do I need to configure some settings in the pom file of this project?
> > (
> https://github.com/cooshal/karaf-flyway/blob/master/db-migrations/flyway-provider/pom.xml
> )
> >
> > Any feedback would be very helpful.
> >
> > Regards,
> > Cooshal.
>
> --
> Jean-Baptiste Onofré
> jbono...@apache.org
> http://blog.nanthrax.net
> Talend - http://www.talend.com
>

Re: Flyway and Karaf

[Jean-Baptiste Onofré]

Hi,

NoClassDefFoundError is certainly due to a class (or several classes) in
different classloaders.

I don't know Flyway, so I have to take a look how they load the
providers. It seems an issue in Flyway on OSGi.

Regards
JB

On 31/07/2019 22:45, Kushal Gautam wrote:
> Hi,
> 
>  I am trying to use Flyway in my Karaf instance.
> 
> I have prepared a demo to reproduce the error that I have encountered at
> https://github.com/cooshal/karaf-flyway.
> 
> I am using a custom built karaf distribution.
> 
> I have created two different modules inside db-migrations:
> 1. flyway provider which has implementations to carry out flyway migrations
> 2. karaf command, which invokes the implementation of flyway provider
> bundle.
> 
> I tried following:
> 
> karaf@root()> dbf:migrate
> Error executing command: java.lang.NoClassDefFoundError: Could not
> initialize class org.flywaydb.core.Flyway
> 
> karaf@root()> log:tail
> 22:37:11.081 ERROR [Karaf local console user karaf] Exception caught
> while executing command
> java.util.concurrent.ExecutionException: java.lang.NoClassDefFoundError:
> Could not initialize class org.flywaydb.core.Flyway
>         at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> ~[?:?]
>         at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:?]
>         at
> org.apache.felix.gogo.runtime.CommandSessionImpl$JobImpl.run(CommandSessionImpl.java:829)
> ~[?:?]
>         at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> ~[?:?]
>         at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:?]
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> ~[?:?]
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> ~[?:?]
>         at java.lang.Thread.run(Thread.java:745) [?:?]
> Caused by: java.lang.NoClassDefFoundError: Could not initialize class
> org.flywaydb.core.Flyway
>         at
> com.example.db.migrations.FlywayDBMigrations.migrate(FlywayDBMigrations.java:16)
> ~[?:?]
>         at
> com.example.flyway.command.MigrateDatabaseCommand.execute(MigrateDatabaseCommand.java:20)
> ~[?:?]
>         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:571) ~[?:?]
>         at
> org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:497)
> ~[?:?]
>         at
> org.apache.felix.gogo.runtime.Closure.execute(Closure.java:386) ~[?:?]
>         at org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:417) ~[?:?]
>         at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:229) ~[?:?]
>         at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:59) ~[?:?]
>         ... 4 more
> 
> I am getting this error from
> https://github.com/cooshal/karaf-flyway/tree/master/db-migrations/flyway-provider
> 
> I also tried installing flyway-core bundle in Karaf, but it did not
> work. I got the same error.
> 
> Do I need to configure some settings in the pom file of this project?
> (https://github.com/cooshal/karaf-flyway/blob/master/db-migrations/flyway-provider/pom.xml)
> 
> Any feedback would be very helpful.
> 
> Regards,
> Cooshal.

-- 
Jean-Baptiste Onofré
jbono...@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com