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java.lang.IllegalArgumentException: host parameter is null	at org.apache.commons.httpclient.HttpConnection.(HttpConnection.java:206)	at org.apache.commons.httpclient.HttpConnection.(HttpConnection.java:155)	at org.apache.commons.httpclient.SimpleHttpConnectionManager.getConnectionWithTimeout(SimpleHttpConnectionManager.java:175)	at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:153)	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)	at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)	at org.jenkinsci.plugins.gitlablogo.api.GitlabApi.getContent(GitlabApi.java:58)	at org.jenkinsci.plugins.gitlablogo.api.GitlabApi.getProject(GitlabApi.java:31)	at org.jenkinsci.plugins.gitlablogo.api.GitlabApi.getCachedProject(GitlabApi.java:45)	at org.jenkinsci.plugins.gitlablogo.GitlabLogoProperty.getProject(GitlabLogoProperty.java:68)	at org.jenkinsci.plugins.gitlablogo.GitlabLogoProperty.getIconUrl(GitlabLogoProperty.java:46)	at sun.reflect.GeneratedMethodAccessor394.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.apache.commons.jexl.util.PropertyExecutor.execute(PropertyExecutor.java:125)	at org.apache.commons.jexl.util.introspection.UberspectImpl$VelGetterImpl.invoke(UberspectImpl.java:314)	at org.apache.commons.jexl.parser.ASTArrayAccess.evaluateExpr(ASTArrayAccess.java:185)	at org.apache.commons.jexl.parser.ASTIdentifier.execute(ASTIdentifier.java:75)	at org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:83)	at org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:57)	at org.apache.commons.jexl.parser.ASTReferenceExpression.value(ASTReferenceExpression.java:51)	at org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:80)	at hudson.ExpressionFactory2$JexlExpression.evaluate(ExpressionFactory2.java:74)	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateRecurse(ExpressionSupport.java:61)	at org.apache.commons.jelly.expression.ExpressionSupport.evaluateAsString(ExpressionSupport.java:46)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.buildAttributes(ReallyStaticTagLibrary.java:111)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:95)	at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:161)	at org.apache.commons.jelly.tags.core.OtherwiseTag.doTag(OtherwiseTag.java:41)	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.TagSupport.invokeBody(TagSupport.java:161)	at org.apache.commons.jelly.tags.core.ChooseTag.doTag(ChooseTag.java:38)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	at org.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	at org.apache.commons.jelly.tags.core.CoreTagLibrary$1.run(CoreTagLibrary.java:98)	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.kohsuke.stapler.jelly.ReallyStaticTagLibrary$1.run(ReallyStaticTagLibrary.java:99)	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.TagSupport.invokeBody(TagSupport.java:161)	at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)	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.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.TagSupport.invokeBody(TagSupport.java:161)	at org.apache.commons.jelly.tags.core.ForEachTag.doTag(ForEachTag.java:150)	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.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$1.run(CoreTagLibrary.java:98)	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$2.run(CoreTagLibrary.java:105)	at org.kohsuke.stapler.jelly.CallTagLibScript.run(CallTagLibScript.java:120)	at org.kohsuke.stapler.jelly.groovy.JellyBuilder.doInvokeMethod(JellyBuilder.java:276)	at org.kohsuke.stapler.jelly.groovy.Namespace$ProxyImpl.invoke(Namespace.java:92)	at com.sun.proxy.$Proxy35.projectView(Unknown Source)	at lib.JenkinsTagLib$projectView.call(Unknown Source)	at hudson.model.View.main.run(main.groovy:14)	at org.kohsuke.stapler.jelly.groovy.GroovierJellyScript.run(GroovierJellyScript.java:74)	at org.kohsuke.stapler.jelly.groovy.GroovierJellyScript.run(GroovierJellyScript.java:62)	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.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.kohsuke.stapler.jelly.CompressTag.doTag(CompressTag.java:44)	at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:269)	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.JellyClassTearOff.serveIndexJelly(JellyClassTearOff.java:112)	at org.kohsuke.stapler.jelly.JellyFacet.handleIndexRequest(JellyFacet.java:127)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:735)	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:813)	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:728)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:123)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:611)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1024)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at java.lang.Thread.run(Thread.java:745)