Internal Server Error

com.google.common.util.concurrent.UncheckedExecutionException: javax.ws.rs.WebApplicationException: info.textgrid.namespaces.middleware.tgcrud.services.tgcrudservice.ObjectNotFoundFault: URI could not be found in public RDF DB: textgrid:48tkm
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2199)
	at com.google.common.cache.LocalCache.get(LocalCache.java:3932)
	at com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:4721)
	at info.textgrid.services.aggregator.util.StylesheetManager.getStylesheet(StylesheetManager.java:147)
	at info.textgrid.services.aggregator.html.HTMLWriter.getStylesheet(HTMLWriter.java:199)
	at info.textgrid.services.aggregator.html.HTMLWriter.getTransformer(HTMLWriter.java:225)
	at info.textgrid.services.aggregator.html.HTMLWriter.createResponse(HTMLWriter.java:313)
	at info.textgrid.services.aggregator.REST.getHTML(REST.java:152)
	at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:179)
	at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:96)
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:201)
	at org.apache.cxf.jaxrs.JAXRSInvoker.invoke(JAXRSInvoker.java:104)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor$1.run(ServiceInvokerInterceptor.java:59)
	at org.apache.cxf.interceptor.ServiceInvokerInterceptor.handleMessage(ServiceInvokerInterceptor.java:96)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:121)
	at org.apache.cxf.transport.http.AbstractHTTPDestination.invoke(AbstractHTTPDestination.java:267)
	at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:234)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:208)
	at org.apache.cxf.transport.servlet.ServletController.invoke(ServletController.java:160)
	at org.apache.cxf.transport.servlet.CXFNonSpringServlet.invoke(CXFNonSpringServlet.java:225)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:304)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doGet(AbstractHTTPServlet.java:222)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
	at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:279)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:199)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:396)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1793)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.lang.Thread.run(Thread.java:750)
Caused by: javax.ws.rs.WebApplicationException: info.textgrid.namespaces.middleware.tgcrud.services.tgcrudservice.ObjectNotFoundFault: URI could not be found in public RDF DB: textgrid:48tkm
	at info.textgrid.services.aggregator.util.TextGridRepProvider.read(TextGridRepProvider.java:223)
	at info.textgrid.services.aggregator.util.StylesheetManager$StylesheetLoader.call(StylesheetManager.java:186)
	at info.textgrid.services.aggregator.util.StylesheetManager$StylesheetLoader.call(StylesheetManager.java:162)
	at com.google.common.cache.LocalCache$LocalManualCache$1.load(LocalCache.java:4724)
	at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3522)
	at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2315)
	at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2278)
	at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2193)
	... 49 more
Caused by: info.textgrid.namespaces.middleware.tgcrud.services.tgcrudservice.ObjectNotFoundFault: URI could not be found in public RDF DB: textgrid:48tkm
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at org.apache.cxf.interceptor.ClientFaultConverter.processFaultDetail(ClientFaultConverter.java:183)
	at org.apache.cxf.interceptor.ClientFaultConverter.handleMessage(ClientFaultConverter.java:83)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.interceptor.AbstractFaultChainInitiatorObserver.onMessage(AbstractFaultChainInitiatorObserver.java:112)
	at org.apache.cxf.binding.soap.interceptor.CheckFaultInterceptor.handleMessage(CheckFaultInterceptor.java:70)
	at org.apache.cxf.binding.soap.interceptor.CheckFaultInterceptor.handleMessage(CheckFaultInterceptor.java:35)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.endpoint.ClientImpl.onMessage(ClientImpl.java:923)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponseInternal(HTTPConduit.java:1725)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.handleResponse(HTTPConduit.java:1591)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream.close(HTTPConduit.java:1388)
	at org.apache.cxf.transport.AbstractConduit.close(AbstractConduit.java:56)
	at org.apache.cxf.transport.http.HTTPConduit.close(HTTPConduit.java:688)
	at org.apache.cxf.interceptor.MessageSenderInterceptor$MessageSenderEndingInterceptor.handleMessage(MessageSenderInterceptor.java:63)
	at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:307)
	at org.apache.cxf.endpoint.ClientImpl.doInvoke(ClientImpl.java:530)
	at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:441)
	at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:356)
	at org.apache.cxf.endpoint.ClientImpl.invoke(ClientImpl.java:314)
	at org.apache.cxf.frontend.ClientProxy.invokeSync(ClientProxy.java:96)
	at org.apache.cxf.jaxws.JaxWsClientProxy.invoke(JaxWsClientProxy.java:140)
	at com.sun.proxy.$Proxy94.read(Unknown Source)
	at info.textgrid.services.aggregator.util.TextGridRepProvider.read(TextGridRepProvider.java:208)
	... 56 more