ERROR org.springframework.boot.SpringApplication - Application startup failed

[linedwin]

Iam using grails jaxrs plugin with Grails 3.2.2, Groovy Version: 2.4.7 and JVM Version: 1.8.0_101.
dependencies {
...
compile 'org.grails.plugins:jaxrs-restlet:3.0.4'
...
}
then, follow the 9.2 Scaffodlding Domain of JAX-RS Project - Reference Documentation
grails create-domain-class com.ariel.person
Open the generated Person.groovy file (under grails-app/domain) and add two properties, firstName and lastName.
grails generate-resources com.ariel.Person
grails run-app
But I got run time error org.springframework.boot.SpringApplication - Application startup failed.
|Resolving Dependencies. Please wait...

CONFIGURE SUCCESSFUL

Total time: 3.539 secs
|Running application...
ERROR org.springframework.boot.SpringApplication - Application startup failed
java.lang.NumberFormatException: For input string: ""
at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
at java.lang.Integer.parseInt(Integer.java:592)
at java.lang.Integer.parseInt(Integer.java:615)
at org.grails.web.mapping.ResponseCodeMappingData.(ResponseCodeMappingData.java:31)
at org.grails.web.mapping.DefaultUrlMappingEvaluator$UrlMappingBuilder.createUrlMappingData(DefaultUrlMappingEvaluator.java:1056)
at org.grails.web.mapping.DefaultUrlMappingEvaluator$UrlMappingBuilder._invoke(DefaultUrlMappingEvaluator.java:643)
at org.grails.web.mapping.DefaultUrlMappingEvaluator$UrlMappingBuilder.invokeMethodClosure(DefaultUrlMappingEvaluator.java:376)
at org.grails.web.mapping.DefaultUrlMappingEvaluator$UrlMappingBuilder.invokeMethod(DefaultUrlMappingEvaluator.java:366)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeOnDelegationObjects(ClosureMetaClass.java:430)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:371)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1024)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:812)
at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:46)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeOnDelegationObjects(ClosureMetaClass.java:430)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:369)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnCurrentN(ScriptBytecodeAdapter.java:82)
at org.grails.plugins.jaxrs.core.JaxrsUtil$_configureMappings_closure6$_closure9.doCall(JaxrsUtil.groovy:124)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1426)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1024)
at groovy.lang.Closure.call(Closure.java:414)
at groovy.lang.Closure.call(Closure.java:430)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2030)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2015)
at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2056)
at org.codehaus.groovy.runtime.dgm$162.invoke(Unknown Source)
at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:274)
at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:56)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at org.grails.plugins.jaxrs.core.JaxrsUtil$_configureMappings_closure6.doCall(JaxrsUtil.groovy:123)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1426)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:294)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1024)
at groovy.lang.Closure.call(Closure.java:414)
at groovy.lang.Closure.call(Closure.java:430)
at org.grails.web.mapping.DefaultUrlMappingEvaluator.evaluateMappings(DefaultUrlMappingEvaluator.java:158)
at org.grails.web.mapping.DefaultUrlMappingsHolder.addMappings(DefaultUrlMappingsHolder.java:123)
at org.grails.web.mapping.mvc.AbstractGrailsControllerUrlMappings.addMappings(AbstractGrailsControllerUrlMappings.groovy:59)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springsource.loaded.ri.ReflectiveInterceptor.jlrMethodInvoke(ReflectiveInterceptor.java:1426)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy85.addMappings(Unknown Source)
at grails.web.mapping.UrlMappings$addMappings.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at org.grails.plugins.jaxrs.core.JaxrsUtil.configureMappings(JaxrsUtil.groovy:122)
at org.grails.plugins.jaxrs.core.JaxrsUtil$configureMappings$0.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
at org.grails.plugins.jaxrs.JaxrsCoreGrailsPlugin.doWithApplicationContext(JaxrsCoreGrailsPlugin.groovy:156)
at org.grails.plugins.DefaultGrailsPlugin.doWithApplicationContext(DefaultGrailsPlugin.java:523)
at org.grails.plugins.AbstractGrailsPluginManager.doPostProcessing(AbstractGrailsPluginManager.java:224)
at grails.boot.config.GrailsApplicationPostProcessor.onApplicationEvent(GrailsApplicationPostProcessor.groovy:246)
at grails.boot.config.GrailsApplicationPostProcessor.onApplicationEvent(GrailsApplicationPostProcessor.groovy)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:166)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:138)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:382)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:336)
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:877)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.finishRefresh(EmbeddedWebApplicationContext.java:144)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:544)
at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:761)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:371)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at grails.boot.GrailsApp.run(GrailsApp.groovy:79)
at grails.boot.GrailsApp.run(GrailsApp.groovy:381)
at grails.boot.GrailsApp.run(GrailsApp.groovy:370)
at grails.boot.GrailsApp$run.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:133)
at ariel.Application.main(Application.groovy:8)

FAILURE: Build failed with an exception.

• What went wrong:
  Execution failed for task ':bootRun'.

  Process 'command 'C:\Program Files\Java\jdk1.8.0_101\bin\java.exe'' finished with non-zero exit value 1

• Try:
  Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
  Error |
  Failed to start server (Use --stacktrace to see the full trace)

Process finished with exit code 1

[linedwin]

The reason is that sub-reasource can not be created. Why all Resaouce need @path annotation。

[daptordarattler]

Having this same issue, causing problems in my url mappings... how do I get around it?