I get an error when I try and run a HTML Documentation Generation task (will post below) that I believe is either related to an object from the Requirements viewpoint add-on or a general null-pointer. Validating the model does not return any “null pointer” errors, and there is no reported error when validating just the Requirements folder.
I am curious if anyone else has seen the below error, and in general can provide me tips to better locate within my model null-pointing/invalid elements that could cause the below failure.
Current Environment: Capella 1.4.0; Java 1.8.0_51; Add-ons: Requirements, XHTML, Filtering (not referenced), System to Subsytem, PVMT, Teams For Capella.
error:
Blockquote
eclipse.buildId=unknown
java.version=1.8.0_51
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86_64
org.eclipse.egf.pattern
Error
Sun Nov 22 20:40:20 PST 2020
org.eclipse.egf.core.producer.InvocationException
at org.eclipse.egf.pattern.ftask.tasks.AbstractStrategyTask.doExecute(AbstractStrategyTask.java:83)
at org.eclipse.egf.task.internal.nature.TaskNatureJava.invoke(TaskNatureJava.java:64)
at org.eclipse.egf.producer.ftask.internal.invocation.TaskProductionInvocation.invoke(TaskProductionInvocation.java:55)
at org.eclipse.egf.producer.ftask.internal.manager.TaskManager.invoke(TaskManager.java:106)
at org.eclipse.egf.producer.fprod.internal.manager.ProductionPlanInvocationManager.invoke(ProductionPlanInvocationManager.java:113)
at org.eclipse.egf.producer.fprod.internal.manager.ProductionPlanManager.invoke(ProductionPlanManager.java:133)
at org.eclipse.egf.producer.internal.manager.FactoryComponentManager.invoke(FactoryComponentManager.java:135)
at org.eclipse.egf.producer.fprod.internal.manager.ProductionPlanInvocationManager.invoke(ProductionPlanInvocationManager.java:113)
at org.eclipse.egf.producer.fprod.internal.manager.ProductionPlanManager.invoke(ProductionPlanManager.java:133)
at org.eclipse.egf.producer.internal.manager.FactoryComponentManager.invoke(FactoryComponentManager.java:135)
at org.eclipse.egf.producer.fprod.internal.manager.ProductionPlanInvocationManager.invoke(ProductionPlanInvocationManager.java:113)
at org.eclipse.egf.producer.fprod.internal.manager.ProductionPlanManager.invoke(ProductionPlanManager.java:133)
at org.eclipse.egf.producer.internal.manager.FactoryComponentManager.invoke(FactoryComponentManager.java:135)
at org.polarsys.kitalpha.doc.gen.business.core.ui.helper.InvokeActivityHelper$2.run(InvokeActivityHelper.java:157)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: org.eclipse.egf.model.pattern.PatternException: java.lang.NullPointerException
at org.eclipse.egf.pattern.common.java.AbstractJavaEngine.doExecute(AbstractJavaEngine.java:132)
at org.eclipse.egf.pattern.common.java.AbstractJavaEngine.executeWithInjection(AbstractJavaEngine.java:66)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.executeWithInjection(AbstractDomainVisitor.java:154)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.doProcess(AbstractDomainVisitor.java:136)
at org.polarsys.kitalpha.doc.gen.business.core.scope.SubClassEmfModelVisitorWithScoping.doProcess(SubClassEmfModelVisitorWithScoping.java:32)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:125)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.AbstractDomainVisitor.visit(AbstractDomainVisitor.java:126)
at org.eclipse.egf.pattern.strategy.domaindriven.DomainDrivenStrategy.execute(DomainDrivenStrategy.java:57)
at org.eclipse.egf.pattern.ftask.tasks.AbstractStrategyTask.doExecute(AbstractStrategyTask.java:78)
… 14 more
Caused by: java.lang.NullPointerException
at org.eclipse.emf.edit.provider.ComposedAdapterFactory.adapt(ComposedAdapterFactory.java:334)
at org.eclipse.emf.edit.provider.ComposedAdapterFactory.adapt(ComposedAdapterFactory.java:271)
at org.polarsys.kitalpha.doc.gen.business.core.util.LabelProviderHelper.getIItemLabelProvider(LabelProviderHelper.java:71)
at org.polarsys.kitalpha.doc.gen.business.core.util.LabelProviderHelper.getImage(LabelProviderHelper.java:75)
at org.polarsys.kitalpha.doc.gen.business.core.util.LabelProviderHelper.getImageFileName(LabelProviderHelper.java:85)
at org.polarsys.kitalpha.vp.requirements.docgen.utils.RequirementsServices.getImageLinkFromElement(RequirementsServices.java:276)
at org.polarsys.kitalpha.vp.requirements.docgen.helper.RequirementHelper.generateRequirementsOutgoingAllocation(RequirementHelper.java:220)
at org.polarsys.kitalpha.vp.requirements.docgen.helper.RequirementHelper.generateRequirementRelations(RequirementHelper.java:184)
at org.polarsys.kitalpha.vp.requirements.docgen.helper.RequirementHelper.generateRequirementsAllocationSection(RequirementHelper.java:163)
at org.polarsys.kitalpha.vp.requirements.docgen.content.RequirementDocgen.method_content(RequirementDocgen.java:118)
at org.polarsys.kitalpha.doc.gen.business.core.doccontent.ElementDocContent.orchestration(ElementDocContent.java:96)
at org.polarsys.kitalpha.vp.requirements.docgen.common.AbstractRequirementDocgen.orchestration(AbstractRequirementDocgen.java:70)
at org.polarsys.kitalpha.vp.requirements.docgen.content.RequirementDocgen.orchestration(RequirementDocgen.java:68)
at sun.reflect.GeneratedMethodAccessor187.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.egf.pattern.common.java.AbstractJavaEngine.doExecute(AbstractJavaEngine.java:130)
… 28 more