Many WebApplicationExceptions are thrown during concurrency test

Due to the nature of the concurrency test it is not possible to provide a reproduction path.

The following warning was logged 26 times during the concurrency test:

10.07.2014 15:08:56 WARN [org.apache.cxf.jaxrs.utils.JAXRSUtils.findTargetMethod():411] No operation matching request path "/site/_rp/hst:exception/" is found, Relative Path: /, HTTP Method: POST, ContentType: application/json;charset=UTF-8, Accept: application/json,text/plain,/,. Please enable FINE/TRACE log level for more details.
10.07.2014 15:08:56 WARN [org.apache.cxf.jaxrs.impl.WebApplicationExceptionMapper.toResponse():73] javax.ws.rs.WebApplicationException
at org.apache.cxf.jaxrs.utils.JAXRSUtils.findTargetMethod(JAXRSUtils.java:415)
at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.processRequest(JAXRSInInterceptor.java:216)
at org.apache.cxf.jaxrs.interceptor.JAXRSInInterceptor.handleMessage(JAXRSInInterceptor.java:91)
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:263)
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:237)
at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:239)
at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:213)
at org.hippoecm.hst.jaxrs.cxf.CXFJaxrsService.invoke(CXFJaxrsService.java:147)
at org.hippoecm.hst.pagecomposer.jaxrs.cxf.CXFJaxrsHstConfigService.invoke(CXFJaxrsHstConfigService.java:145)
at org.hippoecm.hst.core.container.JaxrsRestServiceValve.invoke(JaxrsRestServiceValve.java:38)
at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)
at org.hippoecm.hst.core.container.GenericResponseHeadersValve.invoke(GenericResponseHeadersValve.java:83)
at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)
at org.hippoecm.hst.core.container.CmsSecurityValve.invoke(CmsSecurityValve.java:123)
at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)
at org.hippoecm.hst.core.container.CmsHostRestRequestContextValve.invoke(CmsHostRestRequestContextValve.java:48)
at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)
at org.hippoecm.hst.core.container.InitializationValve.invoke(InitializationValve.java:72)
at org.hippoecm.hst.core.container.HstSitePipeline$Invocation.invokeNext(HstSitePipeline.java:271)
at org.hippoecm.hst.core.container.HstSitePipeline.invokeValves(HstSitePipeline.java:170)
at org.hippoecm.hst.core.container.HstSitePipeline.invoke(HstSitePipeline.java:153)
at org.hippoecm.hst.core.container.HstRequestProcessorImpl.processRequest(HstRequestProcessorImpl.java:79)
at org.hippoecm.hst.container.HstFilter.doFilter(HstFilter.java:504)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.hippoecm.hst.container.XSSUrlFilter.doFilter(XSSUrlFilter.java:49)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)