I am trying to use Jersey 2.22.2 from inside my Oxygen plugin, but when I use a URL which my server doesn't recognise and results in a 404, then for a reason I don't understand Jersey seems to be throwing me Oxygen's HttpExceptionWithDetails. Any ideas how I can get Oxygen not to override Jersey's error handling? The stacktrace looks like: Exception in thread "AWT-EventQueue-0" javax.ws.rs.ProcessingException: ro.sync.net.protocol.http.HttpExceptionWithDetails: 404 Not Found for: http://slaws.info/upload.php at org.glassfish.jersey.client.internal.HttpUrlConnector.apply(HttpUrlConnector.java:287) at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:255) at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:684) at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:681) at org.glassfish.jersey.internal.Errors.process(Errors.java:315) at org.glassfish.jersey.internal.Errors.process(Errors.java:297) at org.glassfish.jersey.internal.Errors.process(Errors.java:228) at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:444) at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:681) at org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:437) at org.glassfish.jersey.client.JerseyInvocation$Builder.post(JerseyInvocation.java:343) at org.humanistika.oxygen.tei.authorizer.remote.impl.JerseyClient.uploadSuggestion(JerseyClient.java:157) at org.humanistika.oxygen.tei.authorizer.TeiAuthorizer$AddNewSuggestionCIValue.uploadSuggestion(TeiAuthorizer.java:166) at org.humanistika.oxygen.tei.authorizer.TeiAuthorizer$AddNewSuggestionCIValue.getInsertString(TeiAuthorizer.java:145) at ro.sync.contentcompletion.g.x(Unknown Source) at ro.sync.contentcompletion.f.ab(Unknown Source) at ro.sync.contentcompletion.xml.k.gpm(Unknown Source) at ro.sync.contentcompletion.l.j.spm(Unknown Source) at ro.sync.contentcompletion.l.j.aom(Unknown Source) at ro.sync.contentcompletion.l.j.processKeyEvent(Unknown Source) at ro.sync.contentcompletion.l.u.processKeyEvent(Unknown Source) at java.awt.Component.processEvent(Component.java:6312) at java.awt.Container.processEvent(Container.java:2236) at java.awt.Component.dispatchEventImpl(Component.java:4891) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Component.dispatchEvent(Component.java:4713) at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1954) at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:806) at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1074) at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:945) at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:771) at java.awt.Component.dispatchEventImpl(Component.java:4762) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Window.dispatchEventImpl(Window.java:2750) at java.awt.Component.dispatchEvent(Component.java:4713) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at ro.sync.ui.application.ApplicationLauncher$_b$1.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) Caused by: ro.sync.net.protocol.http.HttpExceptionWithDetails: 404 Not Found for: http://slaws.info/upload.php at ro.sync.net.protocol.http.b.d.cb(Unknown Source) at ro.sync.net.protocol.http.b.d.j(Unknown Source) at ro.sync.net.protocol.http.abstraction.o.q(Unknown Source) at ro.sync.net.protocol.http.abstraction.o.f(Unknown Source) at ro.sync.net.protocol.http.WebdavHttpURLConnection.getInputStream(Unknown Source) at ro.sync.net.protocol.http.WebdavHttpURLConnection.getResponseCode(Unknown Source) at org.glassfish.jersey.client.internal.HttpUrlConnector._apply(HttpUrlConnector.java:394) at org.glassfish.jersey.client.internal.HttpUrlConnector.apply(HttpUrlConnector.java:285) ... 53 more Thanks Adam. -- Adam Retter skype: adam.retter tweet: adamretter http://www.adamretter.org.uk