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Posted to dev@isis.apache.org by "Dan Haywood (JIRA)" <ji...@apache.org> on 2013/10/19 11:10:41 UTC

[jira] [Updated] (ISIS-318) Restful Objects viewer returning 500 instead of 400 when given bad input

     [ https://issues.apache.org/jira/browse/ISIS-318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dan Haywood updated ISIS-318:
-----------------------------

    Description: 
For example, this invalid input:

{
    "description": "Eat Seaweed",
    "category": "OTHER",
    "dueBy": "Jan 23, 2013"
}

using URL:   http://localhost:8080/restful/services/toDoItems/actions/newToDo/invoke

returns a 500 instead of 400 (the problem is both value formatting and the missing "value" key for each arg).

This erroneous input:
{
    "description": {"value":  "Eat Seaweed"},
    "category": {"value": "OTHER"},
    "subcategory": {"value": "OTHER"},
    "dueBy": {"value": "Jan 23, 2013"},
    "cost": {"value": "123.45"}
}

(still) produces the stacktrace [A] below

This erroneous input:
{
    "description": {"value":  "Eat Seaweed"},
    "category": {"value": "Other"},
    "subcategory": {"value": "Other"},
    "dueBy": {"value": "Jan 23, 2013"},
    "cost": {"value": "123.45"}
}

produces the stacktrace [B] below


fyi the correct input is 

{
    "description": {"value":  "Eat Seaweed"},
    "category": {"value": "Other"},
    "subcategory": {"value": "Other"},
    "dueBy": {"value": "20130123T000000000"},
    "cost": {"value": "123.45"}
}

... which works.

stacktrace [A] :

{
  "message": "Unknown enum constant 'OTHER'",
  "stackTrace": [
    "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doParse(EnumValueSemanticsProvider.java:63)",
    "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doRestore(EnumValueSemanticsProvider.java:73)",
    "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doRestore(EnumValueSemanticsProvider.java:32)",
    "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)",
    "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:163)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:332)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.parseArguments(DomainResourceHelper.java:476)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.parseArguments(DomainResourceHelper.java:463)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:270)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.invokeAction(DomainResourceHelper.java:265)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainObjectResourceServerside.invokeAction(DomainObjectResourceServerside.java:407)",
    "sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)",
    "sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)",
    "sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
    "java.lang.reflect.Method.invoke(Method.java:601)",
    "org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)",
    "org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)",
    "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)",
    "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)",
    "org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)",
    "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)",
    "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)",
    "org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)",


stacktrace [B] :

{
  "message" : "java.text.ParseException: Unparseable date: \"Jan 23, 2013\"",
  "stackTrace" : [ "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.doRestore(ValueSemanticsProviderAbstractTemporal.java:313)", "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)", "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)", "org.apache.isis.viewer.restfulobjects.rendering.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:395)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:313)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.parseAndValidateArguments(DomainResourceHelper.java:476)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:277)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeAction(DomainResourceHelper.java:272)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainServiceResourceServerside.invokeAction(DomainServiceResourceServerside.java:173)", "sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)", "sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)", "sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)", "java.lang.reflect.Method.invoke(Unknown Source)", "org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167)", "org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:269)", "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:227)", "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:216)", "org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542)", "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524)", "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126)", "org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)", "org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)", "org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)", "javax.servlet.http.HttpServlet.service(HttpServlet.java:806)", "org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)", "org.apache.isis.core.webapp.IsisSessionFilter$SessionState$1.handle(IsisSessionFilter.java:315)", "org.apache.isis.core.webapp.IsisSessionFilter.doFilter(IsisSessionFilter.java:404)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)", "org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)", "org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)", "org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)", "org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)", "org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)", "org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)", "org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)", "org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)", "org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)", "org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)", "org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)", "org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)", "org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)", "org.mortbay.jetty.Server.handle(Server.java:326)", "org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)", "org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)", "org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)", "org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)", "org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)", "org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)", "org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)" ],
  "causedBy" : {
    "message" : "Unparseable date: \"Jan 23, 2013\"",
    "stackTrace" : [ "java.text.DateFormat.parse(Unknown Source)", "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.parse(ValueSemanticsProviderAbstractTemporal.java:319)", "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.doRestore(ValueSemanticsProviderAbstractTemporal.java:303)", "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)", "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)", "org.apache.isis.viewer.restfulobjects.rendering.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:395)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:313)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.parseAndValidateArguments(DomainResourceHelper.java:476)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:277)", }

  was:
For example, this invalid input:

{
    "description": "Eat Seaweed",
    "category": "OTHER",
    "dueBy": "Jan 23, 2013"
}

using URL:   http://localhost:8080/restful/services/toDoItems/actions/newToDo/invoke

returns a 500 instead of 400 (the problem is both value formatting and the missing "value" key for each arg).

This erroneous input:
{
    "description": {"value":  "Eat Seaweed"},
    "category": {"value": "OTHER"},
    "dueBy": {"value": "Jan 23, 2013"},
    "cost": {"value": "123.45"}
}

(still) produces the stacktrace [A] below

This erroneous input:
{
    "description": {"value":  "Eat Seaweed"},
    "category": {"value": "Other"},
    "dueBy": {"value": "Jan 23, 2013"},
    "cost": {"value": "123.45"}
}

produces the stacktrace [B] below


fyi the correct input is 

{
    "description": {"value":  "Eat Seaweed"},
    "category": {"value": "Other"},
    "dueBy": {"value": "20130123T000000000"},
    "cost": {"value": "123.45"}
}

... which works.

stacktrace [A] :

{
  "message": "Unknown enum constant 'OTHER'",
  "stackTrace": [
    "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doParse(EnumValueSemanticsProvider.java:63)",
    "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doRestore(EnumValueSemanticsProvider.java:73)",
    "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doRestore(EnumValueSemanticsProvider.java:32)",
    "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)",
    "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:163)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:332)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.parseArguments(DomainResourceHelper.java:476)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.parseArguments(DomainResourceHelper.java:463)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:270)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.invokeAction(DomainResourceHelper.java:265)",
    "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainObjectResourceServerside.invokeAction(DomainObjectResourceServerside.java:407)",
    "sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)",
    "sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)",
    "sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
    "java.lang.reflect.Method.invoke(Method.java:601)",
    "org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)",
    "org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)",
    "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)",
    "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)",
    "org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)",
    "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)",
    "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)",
    "org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)",


stacktrace [B] :

{
  "message" : "java.text.ParseException: Unparseable date: \"Jan 23, 2013\"",
  "stackTrace" : [ "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.doRestore(ValueSemanticsProviderAbstractTemporal.java:313)", "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)", "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)", "org.apache.isis.viewer.restfulobjects.rendering.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:395)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:313)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.parseAndValidateArguments(DomainResourceHelper.java:476)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:277)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeAction(DomainResourceHelper.java:272)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainServiceResourceServerside.invokeAction(DomainServiceResourceServerside.java:173)", "sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)", "sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)", "sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)", "java.lang.reflect.Method.invoke(Unknown Source)", "org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167)", "org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:269)", "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:227)", "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:216)", "org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542)", "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524)", "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126)", "org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)", "org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)", "org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)", "javax.servlet.http.HttpServlet.service(HttpServlet.java:806)", "org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)", "org.apache.isis.core.webapp.IsisSessionFilter$SessionState$1.handle(IsisSessionFilter.java:315)", "org.apache.isis.core.webapp.IsisSessionFilter.doFilter(IsisSessionFilter.java:404)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)", "org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)", "org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)", "org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)", "org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)", "org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)", "org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)", "org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)", "org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)", "org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)", "org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)", "org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)", "org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)", "org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)", "org.mortbay.jetty.Server.handle(Server.java:326)", "org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)", "org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)", "org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)", "org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)", "org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)", "org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)", "org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)" ],
  "causedBy" : {
    "message" : "Unparseable date: \"Jan 23, 2013\"",
    "stackTrace" : [ "java.text.DateFormat.parse(Unknown Source)", "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.parse(ValueSemanticsProviderAbstractTemporal.java:319)", "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.doRestore(ValueSemanticsProviderAbstractTemporal.java:303)", "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)", "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)", "org.apache.isis.viewer.restfulobjects.rendering.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:395)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:313)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.parseAndValidateArguments(DomainResourceHelper.java:476)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:277)", }


> Restful Objects viewer returning 500 instead of 400 when given bad input
> ------------------------------------------------------------------------
>
>                 Key: ISIS-318
>                 URL: https://issues.apache.org/jira/browse/ISIS-318
>             Project: Isis
>          Issue Type: Bug
>          Components: Viewer: RestfulObjects
>    Affects Versions: viewer-restfulobjects-1.0.0
>            Reporter: Dan Haywood
>            Assignee: Dan Haywood
>            Priority: Minor
>             Fix For: viewer-restfulobjects-2.1.0
>
>
> For example, this invalid input:
> {
>     "description": "Eat Seaweed",
>     "category": "OTHER",
>     "dueBy": "Jan 23, 2013"
> }
> using URL:   http://localhost:8080/restful/services/toDoItems/actions/newToDo/invoke
> returns a 500 instead of 400 (the problem is both value formatting and the missing "value" key for each arg).
> This erroneous input:
> {
>     "description": {"value":  "Eat Seaweed"},
>     "category": {"value": "OTHER"},
>     "subcategory": {"value": "OTHER"},
>     "dueBy": {"value": "Jan 23, 2013"},
>     "cost": {"value": "123.45"}
> }
> (still) produces the stacktrace [A] below
> This erroneous input:
> {
>     "description": {"value":  "Eat Seaweed"},
>     "category": {"value": "Other"},
>     "subcategory": {"value": "Other"},
>     "dueBy": {"value": "Jan 23, 2013"},
>     "cost": {"value": "123.45"}
> }
> produces the stacktrace [B] below
> fyi the correct input is 
> {
>     "description": {"value":  "Eat Seaweed"},
>     "category": {"value": "Other"},
>     "subcategory": {"value": "Other"},
>     "dueBy": {"value": "20130123T000000000"},
>     "cost": {"value": "123.45"}
> }
> ... which works.
> stacktrace [A] :
> {
>   "message": "Unknown enum constant 'OTHER'",
>   "stackTrace": [
>     "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doParse(EnumValueSemanticsProvider.java:63)",
>     "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doRestore(EnumValueSemanticsProvider.java:73)",
>     "org.apache.isis.core.progmodel.facets.object.choices.enums.EnumValueSemanticsProvider.doRestore(EnumValueSemanticsProvider.java:32)",
>     "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)",
>     "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:163)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:332)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.parseArguments(DomainResourceHelper.java:476)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.parseArguments(DomainResourceHelper.java:463)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:270)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainResourceHelper.invokeAction(DomainResourceHelper.java:265)",
>     "org.apache.isis.viewer.restfulobjects.viewer.resources.domainobjects.DomainObjectResourceServerside.invokeAction(DomainObjectResourceServerside.java:407)",
>     "sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)",
>     "sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)",
>     "sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)",
>     "java.lang.reflect.Method.invoke(Method.java:601)",
>     "org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)",
>     "org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)",
>     "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)",
>     "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)",
>     "org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)",
>     "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)",
>     "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)",
>     "org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)",
> stacktrace [B] :
> {
>   "message" : "java.text.ParseException: Unparseable date: \"Jan 23, 2013\"",
>   "stackTrace" : [ "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.doRestore(ValueSemanticsProviderAbstractTemporal.java:313)", "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)", "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)", "org.apache.isis.viewer.restfulobjects.rendering.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:395)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:313)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.parseAndValidateArguments(DomainResourceHelper.java:476)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:277)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeAction(DomainResourceHelper.java:272)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainServiceResourceServerside.invokeAction(DomainServiceResourceServerside.java:173)", "sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)", "sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)", "sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)", "java.lang.reflect.Method.invoke(Unknown Source)", "org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:167)", "org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:269)", "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:227)", "org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:216)", "org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:542)", "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:524)", "org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:126)", "org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)", "org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)", "org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)", "javax.servlet.http.HttpServlet.service(HttpServlet.java:806)", "org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)", "org.apache.isis.core.webapp.IsisSessionFilter$SessionState$1.handle(IsisSessionFilter.java:315)", "org.apache.isis.core.webapp.IsisSessionFilter.doFilter(IsisSessionFilter.java:404)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)", "org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)", "org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)", "org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)", "org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)", "org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)", "org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)", "org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)", "org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)", "org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)", "org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)", "org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)", "org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)", "org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)", "org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)", "org.mortbay.jetty.Server.handle(Server.java:326)", "org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)", "org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945)", "org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756)", "org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)", "org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)", "org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)", "org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)" ],
>   "causedBy" : {
>     "message" : "Unparseable date: \"Jan 23, 2013\"",
>     "stackTrace" : [ "java.text.DateFormat.parse(Unknown Source)", "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.parse(ValueSemanticsProviderAbstractTemporal.java:319)", "org.apache.isis.core.progmodel.facets.value.ValueSemanticsProviderAbstractTemporal.doRestore(ValueSemanticsProviderAbstractTemporal.java:303)", "org.apache.isis.core.progmodel.facets.object.value.ValueSemanticsProviderAndFacetAbstract.fromEncodedString(ValueSemanticsProviderAndFacetAbstract.java:261)", "org.apache.isis.core.progmodel.facets.object.encodeable.EncodableFacetUsingEncoderDecoder.fromEncodedString(EncodableFacetUsingEncoderDecoder.java:60)", "org.apache.isis.viewer.restfulobjects.rendering.domainobjects.JsonValueEncoder.asAdapter(JsonValueEncoder.java:395)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.objectAdapterFor(DomainResourceHelper.java:313)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.parseAndValidateArguments(DomainResourceHelper.java:476)", "org.apache.isis.viewer.restfulobjects.server.resources.DomainResourceHelper.invokeActionUsingAdapters(DomainResourceHelper.java:277)", }



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