Weird error message if template binding has no real type

[jeaf-anaptecs]

Description

If a template bindung in the UML model has no actual type defined then a weird error message is visible when JEAF Generator is executed.

[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [String getReturnTypeName(uml::Operation operation)]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [operation.getReturnTypeName()]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [operation.getReturnTypeName().==("void")]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [boolean isReturnTypeVoid(uml::Operation operation)]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [operation.isReturnTypeVoid()]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [if operation.isReturnTypeVoid() then getModelStatusCodeName(getRESTDefaultVoidStatusCode()) else getModelStatusCodeName(getRESTDefaultSuccessStatusCode())]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [if operation.statusCode.name.!=("DEFAULT") then operation.statusCode.name else if operation.isReturnTypeVoid() then getModelStatusCodeName(getRESTDefaultVoidStatusCode()) else getModelStatusCodeName(getRESTDefaultSuccessStatusCode())]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [String getStatusCodeName(JMM::RESTOperation operation)]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [this.getStatusCodeName()]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [isJAXRSStatusCode(this.getStatusCodeName())]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] ERROR in Component of type org.openarchitectureware.check.CheckComponent
	org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0 [isJAXRSStatusCode(this.getStatusCodeName()).==(true)]  in workflow: CheckComponent: expression model.eAllContents.union({model}) check file(s): jeaf::JEAFChecks entity::EntityChecks java::ObjectMapperChecks jeaf::ValidationChecks jeaf::OpenAPIChecks 
[ERROR] org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0[EvaluationException : org.eclipse.emf.common.util.BasicEList$BasicIndexOutOfBoundsException: index=0, size=0
	java::Naming.ext[10178,29] on line 211 'operation.getReturnTypeName()'
	java::OpenAPIFunctions.ext[16518,28] on line 326 'operation.isReturnTypeVoid()'
	jeaf::OpenAPIChecks.chk[1349,24] on line 19 'this.getStatusCodeName()'

	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:59)
	at org.openarchitectureware.expression.ast.OperationCall.evaluateInternal(OperationCall.java:63)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.xtend.ast.ExpressionExtensionStatement.evaluateInternal2(ExpressionExtensionStatement.java:61)
	at org.openarchitectureware.xtend.ast.ExpressionExtensionStatement.evaluateInternal(ExpressionExtensionStatement.java:50)
	at org.openarchitectureware.xtend.ast.AbstractExtension.evaluate(AbstractExtension.java:166)
	at org.openarchitectureware.expression.ast.OperationCall.evaluate(OperationCall.java:346)
	at org.openarchitectureware.expression.ast.OperationCall.evaluateInternal(OperationCall.java:107)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.expression.ast.IfExpression.evaluateInternal(IfExpression.java:58)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.expression.ast.IfExpression.evaluateInternal(IfExpression.java:70)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.xtend.ast.ExpressionExtensionStatement.evaluateInternal2(ExpressionExtensionStatement.java:61)
	at org.openarchitectureware.xtend.ast.ExpressionExtensionStatement.evaluateInternal(ExpressionExtensionStatement.java:50)
	at org.openarchitectureware.xtend.ast.AbstractExtension.evaluate(AbstractExtension.java:166)
	at org.openarchitectureware.expression.ast.OperationCall.evaluate(OperationCall.java:346)
	at org.openarchitectureware.expression.ast.OperationCall.evaluateInternal(OperationCall.java:107)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.expression.ast.OperationCall.evaluateInternal(OperationCall.java:69)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.expression.ast.OperationCall.evaluateInternal(OperationCall.java:63)
	at org.openarchitectureware.expression.ast.Expression.evaluate(Expression.java:51)
	at org.openarchitectureware.xtend.ast.Check.validate(Check.java:140)
	at org.openarchitectureware.xtend.ast.ExtensionFile.check(ExtensionFile.java:198)
	at org.openarchitectureware.check.CheckFacade.checkAll(CheckFacade.java:50)
	at org.openarchitectureware.check.CheckComponent.invokeInternal2(CheckComponent.java:139)
	at org.openarchitectureware.expression.AbstractExpressionsUsingWorkflowComponent.invokeInternal(AbstractExpressionsUsingWorkflowComponent.java:164)
	at org.openarchitectureware.workflow.lib.AbstractWorkflowComponent2.invoke(AbstractWorkflowComponent2.java:61)
	at org.openarchitectureware.workflow.container.CompositeComponent.internalInvoke(CompositeComponent.java:129)
	at org.openarchitectureware.workflow.container.CompositeComponent.invoke(CompositeComponent.java:112)
	at org.openarchitectureware.workflow.WorkflowRunner.executeWorkflow(WorkflowRunner.java:380)
	at org.openarchitectureware.workflow.WorkflowRunner.run(WorkflowRunner.java:261)
	at com.anaptecs.jeaf.generator.maven.GeneratorMojo.runUMLGenerator(GeneratorMojo.java:1809)
	at com.anaptecs.jeaf.generator.maven.GeneratorMojo.execute(GeneratorMojo.java:1165)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
	at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2(MojoExecutor.java:370)
	at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute(MojoExecutor.java:351)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:215)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:171)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:163)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:294)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:960)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:293)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:196)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)

Expected behavior

• Modeling issue is detcted during check phase and a meaningful error message is shown