http://tapestry.apache.org/tapestry5.1/tapestry-ioc/cookbook/override.html
On Fri, Apr 2, 2010 at 3:58 AM, Andrus Adamchik <and...@objectstyle.org> wrote:
> Hi guys,
>
> having a bit of trouble overriding my services with T5.2 (build from a few
> days ago ... can't use 5.1 due to some bugs that got fixed in 5.2). I have
> AppModule and a submodule:
>
> @SubModule( { ServicesModule.class })
> public class AppModule {
>
> public static void bind(ServiceBinder binder) {
> // this works if ISiteService is not bound in ServicesModule
> // binder.bind(ISiteService.class, MySiteService.class);
> }
>
> public static void contributeServiceOverride(
> MappedConfiguration<Class<?>, Object> configuration)
> {
>
> // this fails with exception below
> configuration.addInstance(ISiteService.class,
> MySiteService.class);
> }
> }
>
> On startup I get an error below about recursive loading of
> 'ServiceOverride'. MySiteService has a long chain of dependencies, but
> nothing is recursive in it. If instead I override with a mock service with
> no dependencies, things work. So the culprit here is not the custom
> services, but rather Tapestry 'ServiceOverride'. Any idea what's wrong?
>
> Thanks,
> Andrus
>
>
> [02/Apr/2010:13:50:03] main ERROR Registry: Construction of service
> 'ServiceOverride' has failed due to recursion: the service depends on itself
> in some way. Please check
> org.apache.tapestry5.ioc.internal.services.ServiceOverrideImpl(Map) (at
> ServiceOverrideImpl.java:31) via
> org.apache.tapestry5.ioc.services.TapestryIOCModule.bind(ServiceBinder) (at
> TapestryIOCModule.java:46) for references to another service that is itself
> dependent on service 'ServiceOverride'.
> [02/Apr/2010:13:50:03] main ERROR Registry: Operations trace:
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 1] Realizing service
> ServletApplicationInitializer
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 2] Invoking
> org.apache.tapestry5.services.TapestryModule.buildServletApplicationInitializer(Logger,
> List, ApplicationInitializer) (at TapestryModule.java:1435)
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 3] Constructing module class
> org.apache.tapestry5.services.TapestryModule
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 4] Determining injection
> value for parameter #1 (org.apache.tapestry5.ioc.services.PipelineBuilder)
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 5] Resolving object of type
> org.apache.tapestry5.ioc.services.PipelineBuilder using MasterObjectProvider
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 6] Realizing service
> ServiceOverride
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 7] Invoking
> org.apache.tapestry5.ioc.internal.services.ServiceOverrideImpl(Map) (at
> ServiceOverrideImpl.java:31) via
> org.apache.tapestry5.ioc.services.TapestryIOCModule.bind(ServiceBinder) (at
> TapestryIOCModule.java:46)
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 8] Determining injection
> value for parameter #1 (java.util.Map)
> [02/Apr/2010:13:50:03] main ERROR Registry: [ 9] Collecting mapped
> configuration for service ServiceOverride
> [02/Apr/2010:13:50:03] main ERROR Registry: [10] Invoking method
> xxxxx.services.AppModule.contributeServiceOverride(MappedConfiguration) (at
> AppModule.java:25).
> [02/Apr/2010:13:50:03] main ERROR Registry: [11] Autobuilding instance of
> class xxxxx.services.site.MySiteService
> [02/Apr/2010:13:50:03] main ERROR Registry: [12] Determining injection
> value for parameter #1 (xxxx.service.db.IDataService)
> [02/Apr/2010:13:50:03] main ERROR Registry: [13] Resolving object of type
> xxxx.service.db.IDataService using MasterObjectProvider
> [02/Apr/2010:13:50:03] main ERROR Registry: [14] Realizing service
> ServiceOverride
> [02/Apr/2010:13:50:03] main ERROR ServiceOverride: Construction of service
> ServiceOverride failed: Error invoking constructor
> org.apache.tapestry5.ioc.internal.services.ServiceOverrideImpl(Map) (at
> ServiceOverrideImpl.java:31) via
> org.apache.tapestry5.ioc.services.TapestryIOCModule.bind(ServiceBinder) (at
> TapestryIOCModule.java:46) (for service 'ServiceOverride'): Error invoking
> service contribution method
> xxxxx.services.AppModule.contributeServiceOverride(MappedConfiguration):
> Error invoking constructor xxxxx.services.site.MySiteService(IDataService)
> (at MySiteService.java:16) (for service 'ServiceOverride'): Exception
> constructing service 'ServiceOverride': Construction of service
> 'ServiceOverride' has failed due to recursion: the service depends on itself
> in some way. Please check
> org.apache.tapestry5.ioc.internal.services.ServiceOverrideImpl(Map) (at
> ServiceOverrideImpl.java:31) via
> org.apache.tapestry5.ioc.services.TapestryIOCModule.bind(ServiceBinder) (at
> TapestryIOCModule.java:46) for references to another service that is itself
> dependent on service 'ServiceOverride'.
> ...
>
> java.lang.IllegalStateException: Construction of service 'ServiceOverride'
> has failed due to recursion: the service depends on itself in some way.
> Please check
> org.apache.tapestry5.ioc.internal.services.ServiceOverrideImpl(Map) (at
> ServiceOverrideImpl.java:31) via
> org.apache.tapestry5.ioc.services.TapestryIOCModule.bind(ServiceBinder) (at
> TapestryIOCModule.java:46) for references to another service that is itself
> dependent on service 'ServiceOverride'.
> at
> org.apache.tapestry5.ioc.internal.RecursiveServiceCreationCheckWrapper.createObject(RecursiveServiceCreationCheckWrapper.java:52)
> at
> org.apache.tapestry5.ioc.internal.OperationTrackingObjectCreator$1.invoke(OperationTrackingObjectCreator.java:45)
> at
> org.apache.tapestry5.ioc.internal.OperationTrackerImpl.invoke(OperationTrackerImpl.java:68)
>
>
>
>
>
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