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sun.net.www.protocol.http.HttpURLConnection: 	at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:379)	at org.glassfish.jersey.client.internal.HttpUrlConnector._apply(HttpUrlConnector.java:394)	at org.glassfish.jersey.client.internal.HttpUrlConnector.apply(HttpUrlConnector.java:285)	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:411)	at org.glassfish.jersey.client.JerseyInvocation$Builder.get(JerseyInvocation.java:311)	at com.redhat.foreman.ForemanAPI.getForemanResponse(ForemanAPI.java:154)	at com.redhat.foreman.ForemanAPI.getHostParameterValue(ForemanAPI.java:196)	at com.redhat.foreman.ForemanAPI.getHostForQuery(ForemanAPI.java:313)	at com.redhat.foreman.ForemanAPI.getCompatibleHosts(ForemanAPI.java:331)	at com.redhat.foreman.ForemanSharedNodeCloud.canProvision(ForemanSharedNodeCloud.java:158)	at hudson.model.Label.getClouds(Label.java:227)	at hudson.model.Label.isEmpty(Label.java:435)	at jenkins.model.Jenkins.getLabels(Jenkins.java:1614)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.apache.commons.jexl.util.PropertyExecutor.execute(PropertyExecutor.java:125)	at org.apache.commons.jexl.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:314)	at org.apache.commons.jexl.parser.ASTArrayAccess.evaluateExpr(ASTArrayAccess.java:185)	at org.apache.commons.jexl.parser.ASTIdentifier.execute(ASTIdentifier.java:75)	at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)	at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)	at org.apache.commons.jexl.parser.ASTGTNode.value(ASTGTNode.java:62)	at org.apache.commons.jexl.parser.ASTOrNode.value(ASTOrNode.java:55)	at org.apache.commons.jexl.parser.ASTOrNode.value(ASTOrNode.java:55)	at org.apache.commons.jexl.parser.ASTExpression.value(ASTExpression.java:54)	at org.apache.commons.jexl.parser.ASTExpressionExpression.value(ASTExpressionExpression.java:56)	at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)	at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:74)	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsBoolean(ExpressionSupport.java:71)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:97)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)	at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)	at org.kohsuke.stapler.jelly.IncludeTag.doTag(IncludeTag.java:147)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)	at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)	at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.CallTagLibScript$1.run(CallTagLibScript.java:99)	at org.apache.commons.jelly.tags.define.InvokeBodyTag.doTag(InvokeBodyTag.java:91)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.JellyViewScript.run(JellyViewScript.java:95)	at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:63)	at org.kohsuke.stapler.jelly.DefaultScriptInvoker.invokeScript(DefaultScriptInvoker.java:53)	at org.kohsuke.stapler.jelly.JellyFacet$1.dispatch(JellyFacet.java:95)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:249)	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)	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:717)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)	at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:95)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:120)	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.jenkinsci.plugins.reverse_proxy_auth.ReverseProxySecurityRealm$1.doFilter(ReverseProxySecurityRealm.java:143)	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:168)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:183)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:534)	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:95)	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)	at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.internalProcess(ActiveRequestResponseCacheValve.java:74)	at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:47)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)	at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:437)	at org.apache.coyote.ajp.AjpProtocol$AjpConnectionHandler.process(AjpProtocol.java:385)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:451)