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https://issues.apache.org/jira/browse/SLING-6369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15725480#comment-15725480
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Konrad Windszus commented on SLING-6369:
----------------------------------------
The reason for that is that the
{{o.a.s.models.factory.MissingElementsException#getMessage()}} does only give
out the first cause, but not any subsequent one to the root. The code in
https://github.com/apache/sling/blob/trunk/bundles/extensions/models/api/src/main/java/org/apache/sling/models/factory/MissingElementsException.java#L48
needs to be refactored to evaluate/print all causes up to the root.
> Exceptions thrown by reflection API in ModelAdapterFactory#setField() are not
> logged
> ------------------------------------------------------------------------------------
>
> Key: SLING-6369
> URL: https://issues.apache.org/jira/browse/SLING-6369
> Project: Sling
> Issue Type: Bug
> Affects Versions: Sling Models API 1.3.0
> Reporter: Dirk Rudolph
> Priority: Minor
>
> We got the following exception due to "reflection issues"
> {code}
> 06.12.2016 09:36:08.242 *WARN* [172.19.143.86 [1481013368241] GET /[…]
> HTTP/1.1] org.apache.sling.models.impl.ModelAdapterFactory Could not adapt to
> model
> org.apache.sling.models.factory.MissingElementsException: Could not inject
> all required fields into class my.Model
> Could not inject private org.apache.sling.api.adapter.AdapterManager
> my.Model.adapterManager caused by Could not inject field due to reflection
> issues
> at
> org.apache.sling.models.impl.ModelAdapterFactory.createObject(ModelAdapterFactory.java:549)
> at
> org.apache.sling.models.impl.ModelAdapterFactory.internalCreateModel(ModelAdapterFactory.java:310)
> at
> org.apache.sling.models.impl.ModelAdapterFactory.getAdapter(ModelAdapterFactory.java:186)
> at
> org.apache.sling.adapter.internal.AdapterManagerImpl.getAdapter(AdapterManagerImpl.java:147)
> at
> org.apache.sling.api.adapter.SlingAdaptable.adaptTo(SlingAdaptable.java:104)
> at
> org.apache.sling.resourceresolver.impl.ResourceResolverImpl.adaptTo(ResourceResolverImpl.java:837)
> at […]
> at
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68)
> at
> com.adobe.granite.resourceresolverhelper.impl.ResourceResolverHelperImpl.doFilter(ResourceResolverHelperImpl.java:84)
> at
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68)
> at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:129)
> at
> org.apache.sling.engine.impl.filter.AbstractSlingFilterChain.doFilter(AbstractSlingFilterChain.java:68)
> at
> org.apache.sling.engine.impl.SlingRequestProcessorImpl.doProcessRequest(SlingRequestProcessorImpl.java:151)
> at
> org.apache.sling.engine.impl.SlingMainServlet.service(SlingMainServlet.java:216)
> at
> org.apache.felix.http.base.internal.handler.ServletHandler.handle(ServletHandler.java:85)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:79)
> at
> com.adobe.granite.license.impl.LicenseCheckFilter.doFilter(LicenseCheckFilter.java:308)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
> at
> org.apache.felix.http.sslfilter.internal.SslFilter.doFilter(SslFilter.java:89)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
> at
> org.apache.sling.security.impl.ReferrerFilter.doFilter(ReferrerFilter.java:290)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
> at
> org.apache.sling.featureflags.impl.FeatureManager.doFilter(FeatureManager.java:116)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
> at
> org.apache.sling.engine.impl.log.RequestLoggerFilter.doFilter(RequestLoggerFilter.java:75)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
> at org.apache.sling.i18n.impl.I18NFilter.doFilter(I18NFilter.java:129)
> at
> org.apache.felix.http.base.internal.handler.FilterHandler.handle(FilterHandler.java:135)
> at
> org.apache.felix.http.base.internal.dispatch.InvocationChain.doFilter(InvocationChain.java:74)
> at
> org.apache.felix.http.base.internal.dispatch.Dispatcher.dispatch(Dispatcher.java:124)
> at
> org.apache.felix.http.base.internal.DispatcherServlet.service(DispatcherServlet.java:61)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:725)
> at
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handle(Server.java:499)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> at
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
> at java.lang.Thread.run(Thread.java:745)
> {code}
> Unfortunately, the actual exception, isn't logged, making debugging the issue
> quite difficult. From the exception message I'm only able to find the place
> where it is thrown but not what exactly was thrown. My expectation is that
> the cause is logged as well.
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