Vraptor 3.4.0 no GAE

Aqui o meu erro parece um pouco diferente, tentei as alternativas já citadas mas sem sucesso. Só consegui enxergar a Exception quando habilitei o TRACE no log. Estranho é que estava funcionando e derepente parou, como uso spring pra controle de transação, nenhuma transação está sendo gravada no banco, pois ele sempre faz rollback. Criei um projeto zerado, com umas classes simples e funciona, mas em meu projeto da esse erro, talvez eu tenha mexido em alguma coisa que ocasionou isso, mas não faço idéia, pois aparentemente tudo está normal.

Apenas uma obs, troquei a lib do 3.4 por uma mais antiga tipo 3.3 e o mesmo erro permanece.

\--------------------------------------/
24/11/2011 11:29:21,482 [http-bio-8080-exec-6] DEBUG br.com.caelum.vraptor.http.ognl.OgnlParametersProvider  - Applying  with []
24/11/2011 11:29:21,482 [http-bio-8080-exec-6] DEBUG br.com.caelum.vraptor.http.ognl.OgnlFacade  - unable to parse expression ''. Ignoring.
24/11/2011 11:29:21,482 [http-bio-8080-exec-6] TRACE br.com.caelum.vraptor.http.ognl.OgnlFacade  - Reason:
ognl.ExpressionSyntaxException: Malformed OGNL expression:  [ognl.ParseException: Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    ":" ...
    "not" ...
    "+" ...
    "-" ...
    "~" ...
    "!" ...
    "(" ...
    "true" ...
    "false" ...
    "null" ...
    "#this" ...
    "#root" ...
    "#" ...
    "[" ...
    "{" ...
    "@" ...
    "new" ...
    <IDENT> ...
    <DYNAMIC_SUBSCRIPT> ...
    "\'" ...
    "`" ...
    "\"" ...
    <INT_LITERAL> ...
    <FLT_LITERAL> ...
    ]
	at ognl.Ognl.parseExpression(Ognl.java:112)
	at ognl.Ognl.setValue(Ognl.java:783)
	at br.com.caelum.vraptor.http.ognl.OgnlFacade.setValue(OgnlFacade.java:100)
	at br.com.caelum.vraptor.http.ognl.OgnlParametersProvider.setProperty(OgnlParametersProvider.java:161)
	at br.com.caelum.vraptor.http.ognl.OgnlParametersProvider.createParameter(OgnlParametersProvider.java:133)
	at br.com.caelum.vraptor.http.ognl.OgnlParametersProvider.getParametersFor(OgnlParametersProvider.java:85)
	at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.getParametersFor(ParametersInstantiatorInterceptor.java:105)
	at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:77)
	at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59)
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
	at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69)
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56)
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
	at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44)
	at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92)
	at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:58)
	at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
Caused by: ognl.ParseException: Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    ":" ...
    "not" ...
    "+" ...
    "-" ...
    "~" ...
    "!" ...
    "(" ...
    "true" ...
    "false" ...
    "null" ...
    "#this" ...
    "#root" ...
    "#" ...
    "[" ...
    "{" ...
    "@" ...
    "new" ...
    <IDENT> ...
    <DYNAMIC_SUBSCRIPT> ...
    "\'" ...
    "`" ...
    "\"" ...
    <INT_LITERAL> ...
    <FLT_LITERAL> ...
    
	at ognl.OgnlParser.generateParseException(OgnlParser.java:3172)
	at ognl.OgnlParser.jj_consume_token(OgnlParser.java:3051)
	at ognl.OgnlParser.unaryExpression(OgnlParser.java:1236)
	at ognl.OgnlParser.multiplicativeExpression(OgnlParser.java:971)
	at ognl.OgnlParser.additiveExpression(OgnlParser.java:894)
	at ognl.OgnlParser.shiftExpression(OgnlParser.java:750)
	at ognl.OgnlParser.relationalExpression(OgnlParser.java:508)
	at ognl.OgnlParser.equalityExpression(OgnlParser.java:405)
	at ognl.OgnlParser.andExpression(OgnlParser.java:352)
	at ognl.OgnlParser.exclusiveOrExpression(OgnlParser.java:299)
	at ognl.OgnlParser.inclusiveOrExpression(OgnlParser.java:246)
	at ognl.OgnlParser.logicalAndExpression(OgnlParser.java:193)
	at ognl.OgnlParser.logicalOrExpression(OgnlParser.java:140)
	at ognl.OgnlParser.conditionalTestExpression(OgnlParser.java:101)
	at ognl.OgnlParser.assignmentExpression(OgnlParser.java:64)
	at ognl.OgnlParser.expression(OgnlParser.java:23)
	at ognl.OgnlParser.topLevelExpression(OgnlParser.java:15)
	at ognl.Ognl.parseExpression(Ognl.java:110)
	... 34 more
/-- Encapsulated exception ------------\
ognl.ParseException: Encountered "<EOF>" at line 1, column 0.
Was expecting one of:
    ":" ...
    "not" ...
    "+" ...
    "-" ...
    "~" ...
    "!" ...
    "(" ...
    "true" ...
    "false" ...
    "null" ...
    "#this" ...
    "#root" ...
    "#" ...
    "[" ...
    "{" ...
    "@" ...
    "new" ...
    <IDENT> ...
    <DYNAMIC_SUBSCRIPT> ...
    "\'" ...
    "`" ...
    "\"" ...
    <INT_LITERAL> ...
    <FLT_LITERAL> ...
    
	at ognl.OgnlParser.generateParseException(OgnlParser.java:3172)
	at ognl.OgnlParser.jj_consume_token(OgnlParser.java:3051)
	at ognl.OgnlParser.unaryExpression(OgnlParser.java:1236)
	at ognl.OgnlParser.multiplicativeExpression(OgnlParser.java:971)
	at ognl.OgnlParser.additiveExpression(OgnlParser.java:894)
	at ognl.OgnlParser.shiftExpression(OgnlParser.java:750)
	at ognl.OgnlParser.relationalExpression(OgnlParser.java:508)
	at ognl.OgnlParser.equalityExpression(OgnlParser.java:405)
	at ognl.OgnlParser.andExpression(OgnlParser.java:352)
	at ognl.OgnlParser.exclusiveOrExpression(OgnlParser.java:299)
	at ognl.OgnlParser.inclusiveOrExpression(OgnlParser.java:246)
	at ognl.OgnlParser.logicalAndExpression(OgnlParser.java:193)
	at ognl.OgnlParser.logicalOrExpression(OgnlParser.java:140)
	at ognl.OgnlParser.conditionalTestExpression(OgnlParser.java:101)
	at ognl.OgnlParser.assignmentExpression(OgnlParser.java:64)
	at ognl.OgnlParser.expression(OgnlParser.java:23)
	at ognl.OgnlParser.topLevelExpression(OgnlParser.java:15)
	at ognl.Ognl.parseExpression(Ognl.java:110)
	at ognl.Ognl.setValue(Ognl.java:783)
	at br.com.caelum.vraptor.http.ognl.OgnlFacade.setValue(OgnlFacade.java:100)
	at br.com.caelum.vraptor.http.ognl.OgnlParametersProvider.setProperty(OgnlParametersProvider.java:161)
	at br.com.caelum.vraptor.http.ognl.OgnlParametersProvider.createParameter(OgnlParametersProvider.java:133)
	at br.com.caelum.vraptor.http.ognl.OgnlParametersProvider.getParametersFor(OgnlParametersProvider.java:85)
	at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.getParametersFor(ParametersInstantiatorInterceptor.java:105)
	at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:77)
	at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59)
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
	at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69)
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54)
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56)
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54)
	at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44)
	at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:92)
	at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:58)
	at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:89)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:964)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:304)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)

não é um erro, é um log do tipo TRACE…

o ognl não entendeu algum dos nomes das variáveis… a menos que isso esteja atrapalhando a aplicação pode ignorar essa exception.

e aumente o nível de log, pra pelo menos DEBUG