I made changes as you mentioned like added @persistencecontext , added hibernate.transaction.jta.platform, removed c3po properties and deployed in 7.0.3 tomee. I am getting below mentioned error
org.apache.cxf.interceptor.Fault at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleWriteException(JAXRSOutInterce ptor.java:395) at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor .java:270) at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.processResponse(JAXRSOutInterceptor. java:120) at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.handleMessage(JAXRSOutInterceptor.ja va:83) at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) at org.apache.cxf.interceptor.OutgoingChainInterceptor.handleMessage(OutgoingChainIntercepto r.java:83) at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:308) at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:1 21) at org.apache.camel.component.cxf.cxfbean.CxfBeanDestination.process(CxfBeanDestination.java :83) at org.apache.camel.impl.ProcessorEndpoint.onExchange(ProcessorEndpoint.java:103) at org.apache.camel.impl.ProcessorEndpoint$1.process(ProcessorEndpoint.java:71) at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.proce ss(AsyncProcessorConverterHelper.java:61) at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145) at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.jav a:77) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:542 ) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197 ) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197 ) at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97) at org.apache.camel.http.common.CamelServlet.doService(CamelServlet.java:195) at org.apache.camel.http.common.CamelServlet.service(CamelServlet.java:74) at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:230) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:192) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.apache.openejb.server.httpd.EEFilter.doFilter(EEFilter.java:65) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:192) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.tomee.catalina.OpenEJBSecurityListener$RequestCapturer.invoke(OpenEJBSecurityL istener.java:97) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at org.apache.openejb.rest.ThreadLocalProviders.getContextResolver(ThreadLocalProviders.java :36) at com.fasterxml.jackson.jaxrs.json.JacksonJsonProvider._locateMapperViaProvider(JacksonJson Provider.java:198) at com.fasterxml.jackson.jaxrs.base.ProviderBase.locateMapper(ProviderBase.java:929) at com.fasterxml.jackson.jaxrs.base.ProviderBase._endpointForWriting(ProviderBase.java:693) at com.fasterxml.jackson.jaxrs.base.ProviderBase.writeTo(ProviderBase.java:565) at camelRest.JsonProvider.writeTo(JsonProvider.java:26) at camelRest.JsonProvider$$OwbNormalScopeProxy0.writeTo(camelRest/JsonProvider.java) at org.apache.cxf.jaxrs.utils.JAXRSUtils.writeMessageBody(JAXRSUtils.java:1412) at org.apache.cxf.jaxrs.interceptor.JAXRSOutInterceptor.serializeMessage(JAXRSOutInterceptor .java:244) ... 46 more -- View this message in context: http://tomee-openejb.979440.n4.nabble.com/Camel-CXF-in-tomee-tp4681184p4681424.html Sent from the TomEE Users mailing list archive at Nabble.com.