#Unable to process certain API calls in between the execution of the process which was working totally fine since years and from 1 month we are facing this issue please find the error log below ``` 2022-06-06 00:00:33,517 ERROR [qtp1744347043-11] [org.xdi.oxauth.exception.UncaughtException] (UncaughtException.java:41) - Jersey error. javax.ws.rs.NotAcceptableException: RESTEASY003635: No match for accept header at org.jboss.resteasy.core.registry.SegmentNode.match(SegmentNode.java:389) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.registry.SegmentNode.match(SegmentNode.java:121) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.registry.RootNode.match(RootNode.java:43) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.registry.RootClassNode.match(RootClassNode.java:48) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.ResourceMethodRegistry.getResourceInvoker(ResourceMethodRegistry.java:445) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.SynchronousDispatcher.getInvoker(SynchronousDispatcher.java:264) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:201) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:228) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [servlet-api-3.1.jar:3.1.0] at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:864) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:215) [websocket-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:226) [rewrite-servlet-3.4.1.Final.jar:3.4.1.Final] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.xdi.oxauth.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:145) [classes/:?] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.gluu.oxserver.filters.AbstractCorsFilter.handleSimpleCORS(AbstractCorsFilter.java:213) [oxcore-server-3.1.3.Final.jar:?] at org.gluu.oxserver.filters.AbstractCorsFilter.doFilter(AbstractCorsFilter.java:109) [oxcore-server-3.1.3.Final.jar:?] at org.xdi.oxauth.filter.CorsFilter.doFilter(CorsFilter.java:132) [classes/:?] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.xdi.oxauth.audit.debug.ServletLoggingFilter.doFilter(ServletLoggingFilter.java:55) [classes/:?] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [jetty-security-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.Server.handle(Server.java:531) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281) [jetty-io-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) [jetty-io-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) [jetty-io-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:319) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:175) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:133) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:754) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:672) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162] 2022-06-06 00:00:42,813 INFO [qtp1744347043-13] [org.xdi.oxauth.auth.Authenticator] (Authenticator.java:217) - Authentication success for Client: '@!22A9.0A65.9E32.9AAF!0001!E3F5.C02B!0008!9A30.295F' 2022-06-06 00:01:10,036 INFO [qtp1744347043-12] [org.xdi.oxauth.auth.Authenticator] (Authenticator.java:217) - Authentication success for Client: '@!22A9.0A65.9E32.9AAF!0001!E3F5.C02B!0008!9A30.295F' 2022-06-06 00:01:33,501 ERROR [qtp1744347043-17] [org.xdi.oxauth.exception.UncaughtException] (UncaughtException.java:41) - Jersey error. javax.ws.rs.NotAcceptableException: RESTEASY003635: No match for accept header at org.jboss.resteasy.core.registry.SegmentNode.match(SegmentNode.java:389) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.registry.SegmentNode.match(SegmentNode.java:121) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.registry.RootNode.match(RootNode.java:43) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.registry.RootClassNode.match(RootClassNode.java:48) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.ResourceMethodRegistry.getResourceInvoker(ResourceMethodRegistry.java:445) ~[resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.SynchronousDispatcher.getInvoker(SynchronousDispatcher.java:264) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:201) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:228) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51) [resteasy-jaxrs-3.0.21.Final.jar:3.0.21.Final] at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [servlet-api-3.1.jar:3.1.0] at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:864) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.websocket.server.WebSocketUpgradeFilter.doFilter(WebSocketUpgradeFilter.java:215) [websocket-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.ocpsoft.rewrite.servlet.RewriteFilter.doFilter(RewriteFilter.java:226) [rewrite-servlet-3.4.1.Final.jar:3.4.1.Final] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.xdi.oxauth.auth.AuthenticationFilter.doFilter(AuthenticationFilter.java:145) [classes/:?] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.gluu.oxserver.filters.AbstractCorsFilter.handleSimpleCORS(AbstractCorsFilter.java:213) [oxcore-server-3.1.3.Final.jar:?] at org.gluu.oxserver.filters.AbstractCorsFilter.doFilter(AbstractCorsFilter.java:109) [oxcore-server-3.1.3.Final.jar:?] at org.xdi.oxauth.filter.CorsFilter.doFilter(CorsFilter.java:132) [classes/:?] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.xdi.oxauth.audit.debug.ServletLoggingFilter.doFilter(ServletLoggingFilter.java:55) [classes/:?] at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1634) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548) [jetty-security-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) [jetty-servlet-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.Server.handle(Server.java:531) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:352) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260) [jetty-server-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:281) [jetty-io-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) [jetty-io-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118) [jetty-io-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:319) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:175) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:133) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:754) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:672) [jetty-util-9.4.9.v20180320.jar:9.4.9.v20180320] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162] 2022-06-06 00:01:55,891 INFO [qtp1744347043-9] [org.xdi.oxauth.auth.Authenticator] (Authenticator.java:217) - Authentication success for Client: '@!22A9.0A65.9E32.9AAF!0001!E3F5.C02B!0008!9A30.295F' 2022-06-06 00:02:33,493 ERROR [qtp1744347043-17] [org.xdi.oxauth.exception.UncaughtException] (UncaughtException.java:41) - Jersey error. javax.ws.rs.NotAcceptableException: RESTEASY003635: No match for accept header ```