When no matching response Variant is found, NotAcceptableExceptionMapper should be invoked and return a 406 Not Acceptable response.
Instead, the ClientErrorExceptionMapper is invoked and causes a 500 Internal Server Error:
curl -k 'https://localhost:4443/sparql?query=select%20*%0A%7B%0A%3Fs%20%3Fp%20%3Fo%0A%7D' -H 'User-Agent: python urllib/3.3.0' -H "Accept: whatever"
<!doctype html><html lang="en"><head><title>HTTP Status 500 – Internal Server Error</title><style type="text/css">body {font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 500 – Internal Server Error</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Message</b> Internal Server Error</p><p><b>Description</b> The server encountered an unexpected condition that prevented it from fulfilling the request.</p><hr class="line" /><h3>Apache Tomcat/10.1.4</h3></body></html>
08-Jul-2023 18:08:40.538 SEVERE [http-nio-7070-exec-10] org.glassfish.jersey.server.ServerRuntime$Responder.processExceptionWithMapper An exception has been thrown from an exception mapper class com.atomgraph.client.mapper.ClientErrorExceptionMapper.
jakarta.ws.rs.NotAcceptableException: HTTP 406 Not Acceptable
at com.atomgraph.core.model.impl.Response.<init>(Response.java:90)
at com.atomgraph.core.model.impl.Response.<init>(Response.java:80)
at com.atomgraph.client.mapper.ExceptionMapperBase.getResponseBuilder(ExceptionMapperBase.java:77)
at com.atomgraph.client.mapper.ClientErrorExceptionMapper.toResponse(ClientErrorExceptionMapper.java:38)
at com.atomgraph.client.mapper.ClientErrorExceptionMapper.toResponse(ClientErrorExceptionMapper.java:29)
at org.glassfish.jersey.server.ServerRuntime$Responder.processExceptionWithMapper(ServerRuntime.java:592)
at org.glassfish.jersey.server.ServerRuntime$Responder.mapException(ServerRuntime.java:557)
at org.glassfish.jersey.server.ServerRuntime$Responder.process(ServerRuntime.java:434)
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:269)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
at org.glassfish.jersey.internal.Errors.process(Errors.java:292)
at org.glassfish.jersey.internal.Errors.process(Errors.java:274)
at org.glassfish.jersey.internal.Errors.process(Errors.java:244)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:240)
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:697)
at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:357)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:311)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:126)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:400)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:859)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1734)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.base/java.lang.Thread.run(Thread.java:833)
When no matching response
Variantis found,NotAcceptableExceptionMappershould be invoked and return a406 Not Acceptableresponse. Instead, theClientErrorExceptionMapperis invoked and causes a500 Internal Server Error: