java.io.IOException: Server returned HTTP response code: 403 for URL: https://foo.com/fooUpdateSite/update-center.json?id=foo-update&version=2.32.3 
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1876) 
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1474) 
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254) 
at hudson.model.DownloadService.loadJSON(DownloadService.java:171) 
at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:190) 
at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:1619) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:498) 
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:335) 
at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:52) 
at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26) 
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:175) 
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:108) 
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:124) 
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58) 
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746) 
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876) 
at org.kohsuke.stapler.MetaClass$2.doDispatch(MetaClass.java:174) 
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58) 
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746) 
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876) 
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649) 
at org.kohsuke.stapler.Stapler.service(Stapler.java:238) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) 
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669) 
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135) 
at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37) 
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132) 
at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59) 
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132) 
at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125) 
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132) 
at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) 
at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84) 
at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67) 
at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) 
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) 
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) 
at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) 
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) 
at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30) 
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652) 
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585) 
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) 
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:553) 
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223) 
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127) 
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) 
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185) 
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061) 
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) 
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) 
at org.eclipse.jetty.server.Server.handle(Server.java:499) 
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311) 
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257) 
at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544) 
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
at java.lang.Thread.run(Thread.java:745)