Hello The error is correct - you didn't specify the patterns for error servlets, thus "/errorServlet" was assumed.
You have two options: 1. add @javax.servlet.annotation.WebServlet annotation and use "value" or "urlPatterns" params of this annotation - these will be used instead of "/errorServlet" 2. use "alias" or "urlPatterns" service properties on @Component annotation I hope this helps. regards Grzegorz Grzybek wt., 6 sie 2019 o 19:28 Nhut Thai Le <[email protected]> napisał(a): > Hello, > > I have a few error page servlets to handle 403, 404 and 500 errors. They > are annotated according to osgi cmpn R6 as follow: > @Component( > service = Servlet.class, > enabled=true, > property = { > "osgi.http.whiteboard.servlet.errorPage=403", > "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name > =WebviewerServletContextHelper)" > }, > scope = ServiceScope.PROTOTYPE > ) > public final class Error403Servlet extends HttpServlet {...} > > @Component( > service = Servlet.class, > enabled=true, > property = { > "osgi.http.whiteboard.servlet.errorPage=404", > "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name > =WebviewerServletContextHelper)" > }, > scope = ServiceScope.PROTOTYPE > ) > public final class Error404Servlet extends HttpServlet {..} > > @Component( > service = Servlet.class, > enabled=true, > property = { > "osgi.http.whiteboard.servlet.errorPage=500", > "osgi.http.whiteboard.context.select=(osgi.http.whiteboard.context.name > =WebviewerServletContextHelper)" > }, > scope = ServiceScope.PROTOTYPE > ) > public final class Error500Servlet extends HttpServlet {..} > > When i start the server, i got this error: > 13:13:53.716 [paxweb-config-1-thread-1] ERROR o.o.p.w.e.w.i.WebApplication > - Registration skipped for > [ServletWebElement{mapping=DefaultServletMapping{httpContextId=WebviewerServletContextHelper,urlPatterns=null,initParams={},servlet=com.castortech.iris.ba.webviewer.internal.Error500Servlet@1399c32a, > alias=/errorServlet, servletNameError500Servlet}}] due to error during > registration > org.osgi.service.http.NamespaceException: alias: '/errorServlet' is > already in use in this or another context > at > org.ops4j.pax.web.service.spi.model.ServerModel.addServletModel(ServerModel.java:124) > at > org.ops4j.pax.web.service.internal.HttpServiceStarted.registerServlet(HttpServiceStarted.java:243) > at > org.ops4j.pax.web.service.internal.HttpServiceStarted.registerServlet(HttpServiceStarted.java:223) > at > org.ops4j.pax.web.service.internal.HttpServiceStarted.registerServlet(HttpServiceStarted.java:207) > at > org.ops4j.pax.web.service.internal.HttpServiceProxy.registerServlet(HttpServiceProxy.java:69) > at > org.ops4j.pax.web.extender.whiteboard.internal.element.ServletWebElement.register(ServletWebElement.java:88) > Tracing the code to the ServletWebElement.register(), i see that all my > error page servlets above have the same alias (/errorServlet) which cause > pax.web to throw exception and skip registration when it encounter the 2nd > error page servlet. Is this a known bug and how do I get around this? > I am using pax-web-extender-whiteboard 7.2.4 > > Thai Le > > -- > -- > ------------------ > OPS4J - http://www.ops4j.org - [email protected] > > --- > You received this message because you are subscribed to the Google Groups > "OPS4J" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/ops4j/b5bf8863-4c95-4471-a46d-5ed004c2491f%40googlegroups.com > <https://groups.google.com/d/msgid/ops4j/b5bf8863-4c95-4471-a46d-5ed004c2491f%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- ------------------ OPS4J - http://www.ops4j.org - [email protected] --- You received this message because you are subscribed to the Google Groups "OPS4J" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/ops4j/CAAdXmhpBzVV6VGYAqP8rtZ8%3DkVL%3DfAuB%3DNtQbsyX-1uwcMBo6g%40mail.gmail.com.
