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https://issues.apache.org/jira/browse/SLING-9478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Edelson updated SLING-9478:
----------------------------------
Fix Version/s: (was: Sling Models Impl 1.4.14)
Sling Models Impl 1.4.16
Sling Models Impl 1.4.16
> Expose the full stack trace for PostConstruct exceptions
> --------------------------------------------------------
>
> Key: SLING-9478
> URL: https://issues.apache.org/jira/browse/SLING-9478
> Project: Sling
> Issue Type: Improvement
> Components: Sling Models
> Affects Versions: Sling Models Impl 1.4.12
> Reporter: Konrad Windszus
> Assignee: Konrad Windszus
> Priority: Major
> Fix For: Sling Models Impl 1.4.16
>
>
> Currently any InvocationTargetException is stripped in
> https://github.com/apache/sling-org-apache-sling-models-impl/blob/80b1dea63615ea5be8252241d6147bce9552fa8e/src/main/java/org/apache/sling/models/impl/ModelAdapterFactory.java#L756
> as it is replaced by the more generic PostConstruct exception stripping the
> the reflection part of the call stack.
> That may lead to exceptions like
> {code}
> Caused by: org.apache.sling.scripting.sightly.SightlyException:
> org.apache.sling.api.SlingException: Cannot get DefaultSlingScript:
> Identifier <MyModel> cannot be correctly instantiated by the Use API
> at
> com.adobe.cq.sightly.WCMScriptHelper.includeScript(WCMScriptHelper.java:227)
> [com.adobe.cq.sightly.cq-wcm-sightly-extension:1.6.0]
> at
> com.adobe.cq.sightly.internal.extensions.IncludeExtension.call(IncludeExtension.java:72)
> [com.adobe.cq.sightly.cq-wcm-sightly-extension:1.6.0]
> at
> org.apache.sling.scripting.sightly.impl.engine.runtime.RenderContextImpl.call(RenderContextImpl.java:77)
> [org.apache.sling.scripting.sightly:1.1.2.1_4_0]
> at
> org.apache.sling.scripting.sightly.apps.bruker.components.structure.header.header_html.render(header_html.java:41)
> at
> org.apache.sling.scripting.sightly.render.RenderUnit.render(RenderUnit.java:50)
> [org.apache.sling.scripting.sightly.runtime:1.1.0.1_4_0]
> at
> org.apache.sling.scripting.sightly.impl.engine.SightlyCompiledScript.eval(SightlyCompiledScript.java:60)
> [org.apache.sling.scripting.sightly:1.1.2.1_4_0]
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:386)
> [org.apache.sling.scripting.core:2.0.56]
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:184)
> [org.apache.sling.scripting.core:2.0.56]
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:491)
> [org.apache.sling.scripting.core:2.0.56]
> ... 198 common frames omitted
> Caused by: org.apache.sling.api.SlingException: Cannot get
> DefaultSlingScript: Identifier <MyModel> cannot be correctly instantiated by
> the Use API
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:510)
> [org.apache.sling.scripting.core:2.0.56]
> at
> com.adobe.cq.sightly.WCMScriptHelper.includeScript(WCMScriptHelper.java:222)
> [com.adobe.cq.sightly.cq-wcm-sightly-extension:1.6.0]
> ... 206 common frames omitted
> Caused by: org.apache.sling.scripting.sightly.SightlyException: Identifier
> <MyModel> cannot be correctly instantiated by the Use API
> at
> org.apache.sling.scripting.sightly.impl.engine.extension.use.UseRuntimeExtension.call(UseRuntimeExtension.java:77)
> [org.apache.sling.scripting.sightly:1.1.2.1_4_0]
> at
> org.apache.sling.scripting.sightly.impl.engine.runtime.RenderContextImpl.call(RenderContextImpl.java:77)
> [org.apache.sling.scripting.sightly:1.1.2.1_4_0]
> at
> org.apache.sling.scripting.sightly.apps.bruker.components.structure.header.content_html.render(content_html.java:43)
> at
> org.apache.sling.scripting.sightly.render.RenderUnit.render(RenderUnit.java:50)
> [org.apache.sling.scripting.sightly.runtime:1.1.0.1_4_0]
> at
> org.apache.sling.scripting.sightly.impl.engine.SightlyCompiledScript.eval(SightlyCompiledScript.java:60)
> [org.apache.sling.scripting.sightly:1.1.2.1_4_0]
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.call(DefaultSlingScript.java:386)
> [org.apache.sling.scripting.core:2.0.56]
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.eval(DefaultSlingScript.java:184)
> [org.apache.sling.scripting.core:2.0.56]
> at
> org.apache.sling.scripting.core.impl.DefaultSlingScript.service(DefaultSlingScript.java:491)
> [org.apache.sling.scripting.core:2.0.56]
> ... 207 common frames omitted
> Caused by: org.apache.sling.models.factory.PostConstructException:
> Post-construct method has thrown an exception for model class <MyModel>
> at
> org.apache.sling.models.impl.ModelAdapterFactory.createObject(ModelAdapterFactory.java:774)
> [org.apache.sling.models.impl:1.4.10]
> at
> org.apache.sling.models.impl.ModelAdapterFactory.internalCreateModel(ModelAdapterFactory.java:448)
> [org.apache.sling.models.impl:1.4.10]
> at
> org.apache.sling.models.impl.ModelAdapterFactory.createModel(ModelAdapterFactory.java:314)
> [org.apache.sling.models.impl:1.4.10]
> at
> org.apache.sling.scripting.sightly.models.impl.SlingModelsUseProvider.provide(SlingModelsUseProvider.java:126)
> [org.apache.sling.scripting.sightly.models.provider:1.0.8]
> at
> org.apache.sling.scripting.sightly.impl.engine.extension.use.UseRuntimeExtension.call(UseRuntimeExtension.java:72)
> [org.apache.sling.scripting.sightly:1.1.2.1_4_0]
> ... 214 common frames omitted
> Caused by: java.lang.NullPointerException: null
> {code}
> In that case it would be helpful to see the stack traces in between to have a
> better idea, where the NPE is triggered.
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