Hi Guys,

    When, i try to add my external webdav calendar using https. I get the following error, maybe i need to install the self signed certificat on the Openmeeting server ?

xERROR 11-20 14:52:04.918 o.a.o.s.c.c.AppointmentManager:165 [.0-5080-exec-10] - Error executing OptionsMethod during testConnection. javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
    at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1959)
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)
    at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)
    at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1514)     at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216)
    at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1026)
    at sun.security.ssl.Handshaker.process_record(Handshaker.java:961)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1072)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1385)
    at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:757)
    at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:123)
    at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
    at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
    at org.apache.commons.httpclient.HttpConnection.flushRequestOutputStream(HttpConnection.java:828)     at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.flushRequestOutputStream(MultiThreadedHttpConnectionManager.java:1565)     at org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.java:2116)     at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:1096)     at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:398)     at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)     at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)     at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)     at org.apache.openmeetings.service.calendar.caldav.AppointmentManager.testConnection(AppointmentManager.java:159)     at org.apache.openmeetings.web.user.calendar.CalendarDialog$UserCalendarForm.onValidate(CalendarDialog.java:562)
    at org.apache.wicket.markup.html.form.Form.validate(Form.java:1827)
    at org.apache.wicket.markup.html.form.Form.process(Form.java:915)
    at org.apache.wicket.markup.html.form.Form.onFormSubmitted(Form.java:770)     at com.googlecode.wicket.jquery.ui.widget.dialog.AbstractFormDialog.internalOnClick(AbstractFormDialog.java:215)     at com.googlecode.wicket.jquery.ui.widget.dialog.AbstractDialog$1.onClick(AbstractDialog.java:413)     at com.googlecode.wicket.jquery.ui.widget.dialog.DialogBehavior.onAjax(DialogBehavior.java:188)     at com.googlecode.wicket.jquery.core.ajax.JQueryAjaxBehavior.respond(JQueryAjaxBehavior.java:173)     at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:598)     at org.apache.wicket.core.request.handler.ListenerRequestHandler.internalInvoke(ListenerRequestHandler.java:306)     at org.apache.wicket.core.request.handler.ListenerRequestHandler.invoke(ListenerRequestHandler.java:280)     at org.apache.wicket.core.request.handler.ListenerRequestHandler.invokeListener(ListenerRequestHandler.java:222)     at org.apache.wicket.core.request.handler.ListenerRequestHandler.respond(ListenerRequestHandler.java:208)     at org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:912)     at org.apache.wicket.request.RequestHandlerExecutor.execute(RequestHandlerExecutor.java:65)     at org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:283)     at org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:253)     at org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:221)     at org.apache.wicket.protocol.ws.AbstractUpgradeFilter.processRequestCycle(AbstractUpgradeFilter.java:70)     at org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:204)     at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:286)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)     at org.red5.logging.LoggerContextFilter.doFilter(LoggerContextFilter.java:84)     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:595)     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)     at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:650)     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)     at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)     at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)     at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)     at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)     at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
    at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:397)
    at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:302)
    at sun.security.validator.Validator.validate(Validator.java:260)
    at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:324)     at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:229)     at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:124)     at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1496)
    ... 61 common frames omitted
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target     at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)     at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
    at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
    at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:392)
    ... 67 common frames omitted

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