Hi
I guess it's specific for the way you deploy your bundles (using the deploy
folder). If you do the same via bundle:* commands it should be fine right ?
Let me check if it?s not an issue with fileinstall. I don?t remember any issue
there.
Regards
JB
> Le 3 avr. 2020 à 15:56, Anton <antoxa...@list.ru.INVALID> a écrit :
>
> Karaf version 4.2.4.
>
> When I deploy bundles at first time - everything works as expected, but if I
> remove bundles(from deploy directory) and do deploy them again(copy to
> deploy directory), I will get "java.lang.ClassCastException: test.Test
> cannot be cast to test.Test" error at runtime and a blueprint container
> fail.
> I suggest that error caused by using different classloaders but I can't
> understand how to avoid it?
> May be I have to use special karaf commands to undeploy/deploy?
>
> Main question is - how to redeploy bundles without stopping the server?
>
> Description. 3 bundles:
>
> 1. *datasource *- used for instantiation DataSource and put in a blueprint
> container. There is no java code - blueprint.xml configuration only
> ```
> ...
> <service interface="javax.sql.DataSource" ref="dataSource" />
> ...
> ```
>
> 2. *domain* - injects datasource and creates service which use mybatis
> mapper. POJO also described here.
>
> blueprint.xml:
> ```
> <reference id="datasource" interface="javax.sql.DataSource"/>
>
> <bean id="managerimpl" class="test.TestManagerImpl">
> <argument ref="datasource"/>
> </bean>
>
> <service id="testmanager" interface="test.TestManager" ref="managerimpl"/>
> ```
>
> Service class:
> ```
> public class TestManagerImpl implements TestManager {
> private final Mapper mapper;
> private final DataSource dataSource;
>
> public TestManagerImpl(DataSource dataSource) {
> this.dataSource = dataSource;
> this.mapper =
> MybatisSqlSessionGetter.getSqlSessionMapperInstance(dataSource,
> Mapper.class);
> }
>
> @Override
> public Test getTestById(String id) {
> return mapper.getById(id);
> }
> ...
> }
> ```
>
> POJO:
> ```
> public class Test {
> private String id;
> private String name;
> ...
> }
> ```
>
> 3. *dependent *- injects service from domain bundle and use it for getting
> POJO.
>
> blueprint.xml:
> ```
> <reference id="testmanager" interface="test.TestManager"/>
>
> <bean id="dependentService" class="test.DependentService">
> <argument ref="testmanager"/>
> </bean>
> ...
> ```
>
> Service:
> ```
> public class DependentService {
> private final TestManager manager;
>
> public DependentService(TestManager manager) {
> this.manager = manager;
> Test testById = manager.getTestById("uuid"); //
> ClassCastException
> }
> }
> ```
>
>
>
> --
> Sent from: http://karaf.922171.n3.nabble.com/Karaf-Dev-f930721.html
