Aha - thanks a lot. I thought I was goin crazy. I use pax-jdbc for the data
source. I'll need to check if it can provide the capability. Or, maybe the
problem is in the other end. I updated to a newer version of maven bundle
plugin (from 2.3.7 to 5.1.4) - maybe the old one didn't require the
capability.

/Bengt

On Wed, 9 Mar 2022, 18:27 Jean-Baptiste Onofré, <j...@nanthrax.net> wrote:

> No, you didn't get my point.
>
> The fact the datasource is there or not doesn't matter at runtime if it
> doesn't provide the capability.
>
> Let me explain.
>
> Your bundles history-stuff contains in META-INF/MANIFEST:
>
> Require-Capability:
> osgi.service;effective:=active;objectClass="javax.sql.DataSource";filter=....
>
> When you install with bundle:install, this header is simply ignored.
>
> BUT, when you install using features service, the feature resolver check
> all bundles requirements/capabilities.
>
> So, the feature resolver is looking for:
> - a bundle containing Provide-Capability header in MANIFEST matching the
> requirement
> - a feature containing <capability/> matching the requirement
>
> It's nothing related to runtime (the actual bundle installed and running),
> only the MANIFEST cap/req matter;
>
> So, in your case, you can just provide the capability in the feature
> providing the datasource. It's exactly what you can see in the
> karaf-jpa-example:
> https://github.com/apache/karaf/blob/main/examples/karaf-jpa-example/karaf-jpa-example-features/src/main/feature/feature.xml#L28
>
> Regards
> JB
>
> On Wed, Mar 9, 2022 at 5:30 PM Bengt Rodehav <be...@rodehav.com> wrote:
>
>> But the  filetransfoerhistoryjta datasource is there. I've verified that.
>> And if I install the bundle directly instead of going through the feature
>> it works fine and connects to the datasource. Why can it not be found when
>> I go through the feature but when I install the bundle directly?
>>
>> /Bengt
>>
>> Den ons 9 mars 2022 kl 17:10 skrev Jean-Baptiste Onofré <j...@nanthrax.net
>> >:
>>
>>> I don't think anything changed on the resolver, maybe you updated
>>> maven-bundle-plugin or bnd to create your bundle, and now it includes the
>>> requirement (whereas your bundles didn't contain requirement in MANIFEST
>>> before).
>>>
>>> On Wed, Mar 9, 2022 at 4:59 PM Bengt Rodehav <be...@rodehav.com> wrote:
>>>
>>>> I didn't have any problems with this using Karaf 4.3.3. Do you know if
>>>> something has changed? I'm using Karaf 4.3.6 now.
>>>>
>>>> /Bengt
>>>>
>>>> Den ons 9 mars 2022 kl 16:46 skrev Bengt Rodehav <be...@rodehav.com>:
>>>>
>>>>> Is there any way to stop the feature installer from using the resolver?
>>>>>
>>>>> /Bengt
>>>>>
>>>>> Den ons 9 mars 2022 kl 16:37 skrev Bengt Rodehav <be...@rodehav.com>:
>>>>>
>>>>>> Unfortunately I didn't get any extra information. I got the same as
>>>>>> before which is:
>>>>>>
>>>>>> 2022-03-09T16:26:02,494 | INFO  | pipe-feature:install -v
>>>>>> connect-filetransfer-history-db | FeaturesServiceImpl              | 18 -
>>>>>> org.apache.karaf.features.core - 4.3.6 | Adding features:
>>>>>> connect-filetransfer-history-db/[3.1.0.SNAPSHOT,3.1.0.SNAPSHOT]
>>>>>> 2022-03-09T16:26:02,901 | ERROR | Karaf local console user karaf |
>>>>>> ShellUtil                        | 70 - org.apache.karaf.shell.core - 
>>>>>> 4.3.6
>>>>>> | Exception caught while executing command
>>>>>> org.apache.felix.resolver.reason.ReasonException: Unable to resolve
>>>>>> root: missing requirement [root] osgi.identity;
>>>>>> osgi.identity=connect-filetransfer-history-db; type=karaf.feature;
>>>>>> version="[3.1.0.SNAPSHOT,3.1.0.SNAPSHOT]";
>>>>>> filter:="(&(osgi.identity=connect-filetransfer-history-db)(type=karaf.feature)(version>=3.1.0.SNAPSHOT)(version<=3.1.0.SNAPSHOT))"
>>>>>> [caused by: Unable to resolve
>>>>>> connect-filetransfer-history-db/3.1.0.SNAPSHOT: missing requirement
>>>>>> [connect-filetransfer-history-db/3.1.0.SNAPSHOT] osgi.identity;
>>>>>> osgi.identity=se.digia.connect.services.filetransfer.history-domain;
>>>>>> type=osgi.bundle; version="[3.1.0.SNAPSHOT,3.1.0.SNAPSHOT]";
>>>>>> resolution:=mandatory [caused by: Unable to resolve
>>>>>> se.digia.connect.services.filetransfer.history-domain/3.1.0.SNAPSHOT:
>>>>>> missing requirement
>>>>>> [se.digia.connect.services.filetransfer.history-domain/3.1.0.SNAPSHOT]
>>>>>> osgi.service; objectClass=javax.sql.DataSource; effective:=active;
>>>>>> filter:="(osgi.jndi.service.name=jdbc/filetransferhistoryjta)"]]
>>>>>> at
>>>>>> org.apache.felix.resolver.Candidates$MissingRequirementError.toException(Candidates.java:1341)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.felix.resolver.ResolverImpl.doResolve(ResolverImpl.java:433)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.felix.resolver.ResolverImpl.resolve(ResolverImpl.java:420) 
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.felix.resolver.ResolverImpl.resolve(ResolverImpl.java:374) 
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:257)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:399)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1069)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:1004)
>>>>>> ~[?:?]
>>>>>> at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
>>>>>> at
>>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
>>>>>> ~[?:?]
>>>>>> at java.lang.Thread.run(Thread.java:833) [?:?]
>>>>>> Caused by: org.apache.felix.resolver.reason.ReasonException: Unable
>>>>>> to resolve connect-filetransfer-history-db/3.1.0.SNAPSHOT: missing
>>>>>> requirement [connect-filetransfer-history-db/3.1.0.SNAPSHOT] 
>>>>>> osgi.identity;
>>>>>> osgi.identity=se.digia.connect.services.filetransfer.history-domain;
>>>>>> type=osgi.bundle; version="[3.1.0.SNAPSHOT,3.1.0.SNAPSHOT]";
>>>>>> resolution:=mandatory [caused by: Unable to resolve
>>>>>> se.digia.connect.services.filetransfer.history-domain/3.1.0.SNAPSHOT:
>>>>>> missing requirement
>>>>>> [se.digia.connect.services.filetransfer.history-domain/3.1.0.SNAPSHOT]
>>>>>> osgi.service; objectClass=javax.sql.DataSource; effective:=active;
>>>>>> filter:="(osgi.jndi.service.name=jdbc/filetransferhistoryjta)"]
>>>>>> at
>>>>>> org.apache.felix.resolver.Candidates$MissingRequirementError.toException(Candidates.java:1341)
>>>>>> ~[?:?]
>>>>>> ... 12 more
>>>>>> Caused by: org.apache.felix.resolver.reason.ReasonException: Unable
>>>>>> to resolve
>>>>>> se.digia.connect.services.filetransfer.history-domain/3.1.0.SNAPSHOT:
>>>>>> missing requirement
>>>>>> [se.digia.connect.services.filetransfer.history-domain/3.1.0.SNAPSHOT]
>>>>>> osgi.service; objectClass=javax.sql.DataSource; effective:=active;
>>>>>> filter:="(osgi.jndi.service.name=jdbc/filetransferhistoryjta)"
>>>>>> at
>>>>>> org.apache.felix.resolver.Candidates$MissingRequirementError.toException(Candidates.java:1341)
>>>>>> ~[?:?]
>>>>>> at
>>>>>> org.apache.felix.resolver.Candidates$MissingRequirementError.toException(Candidates.java:1341)
>>>>>> ~[?:?]
>>>>>> ... 12 more
>>>>>>
>>>>>> I tried the "--store" option which gave me a quite large file that I
>>>>>> unfortunately did not understand fully. Not sure if it helps any.
>>>>>>
>>>>>> /Bengt
>>>>>>
>>>>>> Den ons 9 mars 2022 kl 16:22 skrev Bengt Rodehav <be...@rodehav.com>:
>>>>>>
>>>>>>> OK - thanks. Will try that.
>>>>>>>
>>>>>>> /Bengt
>>>>>>>
>>>>>>> Den ons 9 mars 2022 kl 16:16 skrev Jean-Baptiste Onofré <
>>>>>>> j...@nanthrax.net>:
>>>>>>>
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> The main difference is that feature used the resolver to optimize
>>>>>>>> the installation. Bundle installation doesn’t use the feature resolver.
>>>>>>>>
>>>>>>>> You can use feature:install -v to get resolver output and you will
>>>>>>>> probably see the chain found by the resolver.
>>>>>>>>
>>>>>>>> Regards
>>>>>>>> JB
>>>>>>>>
>>>>>>>> Le mer. 9 mars 2022 à 15:22, Bengt Rodehav <be...@rodehav.com> a
>>>>>>>> écrit :
>>>>>>>>
>>>>>>>>> I have a very strange problem (in Karaf 4.3.6). I use JPA and have
>>>>>>>>> a bundle containing a persistence.xml in which a datasource is 
>>>>>>>>> referenced:
>>>>>>>>>
>>>>>>>>>   <jta-data-source>osgi:service/javax.sql.DataSource/(
>>>>>>>>> osgi.jndi.service.name
>>>>>>>>> =jdbc/filetransferhistoryjta)</jta-data-source>
>>>>>>>>>
>>>>>>>>> If the datasource is not available when I install this bundle then
>>>>>>>>> I will get an error complaining that the datasource is not present. 
>>>>>>>>> The
>>>>>>>>> strange thing is that it seems to be dependent on how I install this 
>>>>>>>>> bundle
>>>>>>>>> - directly installing the bundle or doing it via a feature. In the 
>>>>>>>>> first
>>>>>>>>> case it works but in the latter it doesn't.
>>>>>>>>>
>>>>>>>>> If I first install all the prerequisites I need and then issue the
>>>>>>>>> following command in the Karaf shell:
>>>>>>>>>
>>>>>>>>>   bundle:install -s
>>>>>>>>> mvn:se.digia.connect.services.filetransfer/history-domain/3.1-SNAPSHOT
>>>>>>>>>
>>>>>>>>> Then it works fine. It even works if I remove the "-s" and start
>>>>>>>>> the bundle afterwards instead.
>>>>>>>>>
>>>>>>>>> However, if I use the following feature:
>>>>>>>>>
>>>>>>>>>   <feature name="connect-filetransfer-history-db"
>>>>>>>>> version="3.1-SNAPSHOT">
>>>>>>>>>
>>>>>>>>> <bundle>mvn:se.digia.connect.services.filetransfer/history-domain/3.1-SNAPSHOT</bundle>
>>>>>>>>>   </feature>
>>>>>>>>>
>>>>>>>>> And then issue the following command:
>>>>>>>>>
>>>>>>>>>   feature:install connect-filetransfer-history-db
>>>>>>>>>
>>>>>>>>> Then the datasource cannot be found and the install fails. This
>>>>>>>>> happens consistently. I am using Pax-Jdbc for exposing the datasource 
>>>>>>>>> via
>>>>>>>>> JNDI.
>>>>>>>>>
>>>>>>>>> First I thought that there might be a timing problem and that you
>>>>>>>>> have to wait a while to get the datasource published but it doesn't 
>>>>>>>>> seem to
>>>>>>>>> have anything to do with that at all. I can wait 5 minutes after 
>>>>>>>>> installing
>>>>>>>>> the datasource. I also check with the command "jndi:names" that it is
>>>>>>>>> published. But it still doesn't work using a feature.
>>>>>>>>>
>>>>>>>>> Can anyone tell me what is being done differently when I use a
>>>>>>>>> feature compared to when I just install the bundle directly? There is
>>>>>>>>> apparently some kind of difference.
>>>>>>>>>
>>>>>>>>> /Bengt
>>>>>>>>>
>>>>>>>>>

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