Hello - I am getting a strange cast exception I haven't run into before. I am trying to simply return a json document via a restful call that loads a jpa entity by id number. The stack says I can't cast from X to X, which doesn't make sense to me. I've followed
http://www.liquid-reality.de/display/liquid/2012/07/20/Apache+Karaf+Tutorial+Part+7+-+Camel+JPA+and+JTA+transactions http://www.liquid-reality.de/display/liquid/2011/12/22/Karaf+Tutorial+Part+4+-+CXF+Services+in+OSGi in making this test up. I am not sure what I am doing wrong, any help would be greatly appreciated @GET @Path("{id}") @Produces(MediaType.APPLICATION_JSON) public Test getTestById(@PathParam("id") Long id) { Test myTest = null; log.info("\n\n\n********** getTestById id = " + id+"\n\n"); try { myTest = (TestBean) getEm().find(TestBean.class, id); log.info("test = " + myTest.toString()); } catch (Exception e) { log.error(">>> Caught getTestById: ", e); } return myTest; } ID: 14 Address: http://localhost:8181/cxf/test/600 Http-Method: GET Content-Type: Headers: {Accept=[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8], accept-encoding=[gzip, deflate], Accept-Language=[null], connection=[keep-alive], Content-Type=[null], Host=[loc -------------------------------------- 2015-06-24 18:43:26,240 | INFO | qtp713727344-65 | TestServiceImpl | 564 - product - 1.0.0 | ********** getTestById id = 600 2015-06-24 18:43:57,610 | ERROR | qtp713727344-65 | TestServiceImpl | 564 - product - 1.0.0 | >>> Caught getTestById: java.lang.ClassCastException: product.domain.TestBean cannot be cast to product.domain.TestBean at com.wrs.ept.dart.core.product.service.TestServiceImpl.getTestById(TestServiceImpl.java:118)[564: product:1.0.0] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_45] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_45] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_45] at java.lang.reflect.Method.invoke(Method.java:497)[:1.8.0_45] at org.apache.aries.proxy.impl.ProxyHandler$1.invoke(ProxyHandler.java:54) at org.apache.aries.proxy.impl.ProxyHandler.invoke(ProxyHandler.java:119) at com.wrs.ept.dart.core.product.service.$TestServiceImpl571557319.getTestById(Unknown Source)[564: product:1.0.0] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_45] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_45] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_45] at java.lang.reflect.Method.invoke(Method.java:497)[:1.8.0_45] at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:181)[317:org.apache.cxf.cxf-core:3.0.4] at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:97)[317:org.apache.cxf.cxf-core:3.0.4] at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:200)[441:org.apache.cxf.cxf-rt-frontend-jaxrs:3.0.4] at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:99)[441:org.apache.cxf.cxf-rt-frontend-jaxrs:3.0.4] at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59)[317:org.apache.cxf.cxf-core:3.0.4] at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96)[317:org.apache.cxf.cxf-core:3.0.4] at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)[317:org.apache.cxf.cxf-core:3.0.4] at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)[317:org.apache.cxf.cxf-core:3.0.4] at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:251)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:171)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:293)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:217)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at javax.servlet.http.HttpServlet.service(HttpServlet.java:575)[66:org.apache.geronimo.specs.geronimo-servlet_3.0_spec:1.0.0] at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:268)[443:org.apache.cxf.cxf-rt-transports-http:3.0.4] at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.ops4j.pax.web.service.jetty.internal.HttpServiceServletHandler.doHandle(HttpServiceServletHandler.java:69)[81:org.ops4j.pax.web.pax-web-jetty:3.1.4] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.ops4j.pax.web.service.jetty.internal.HttpServiceContext.doHandle(HttpServiceContext.java:240)[81:org.ops4j.pax.web.pax-web-jetty:3.1.4] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.handle(JettyServerHandlerCollection.java:75)[81:org.ops4j.pax.web.pax-web-jetty:3.1.4] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.Server.handle(Server.java:370)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:971)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1033)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:696)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)[72:org.eclipse.jetty.aggregate.jetty-all-server:8.1.15.v20140411] at java.lang.Thread.run(Thread.java:745)[:1.8.0_45] 2015-06-24 18:44:00,164 | INFO | qtp713727344-65 | ticalLoggingSessionEventListener | 111 - org.jboss.logging.jboss-logging - 3.1.4.GA | Session Metrics { 20798530247 nanoseconds spent acquiring 2114 JDBC connections; 180257790 nanoseconds spent releasing 2114 JDBC connections; 20849510365 nanoseconds spent preparing 2115 JDBC statements; 5556061459 nanoseconds spent executing 2115 JDBC statements; 0 nanoseconds spent executing 0 JDBC batches; 0 nanoseconds spent performing 0 L2C puts; 0 nanoseconds spent performing 0 L2C hits; 0 nanoseconds spent performing 0 L2C misses; 2549708385 nanoseconds spent executing 1 flushes (flushing a total of 203873 entities and 2117 collections); 0 nanoseconds spent executing 0 partial-flushes (flushing a total of 0 entities and 0 collections) }
