java.io.IOException

tip

Check if you didn't set RequestProperty Content-Type to the wrong type or if you're trying to send the wrong file to the server.

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

  • Tried to hit our Jenkins server this morning and found it crashed (server 500) and not recovering. A restart of the service resolved the issue. From the logs: {code} Jul 2, 2013 9:35:06 AM org.kohsuke.stapler.compression.CompressionFilter reportException WARNING: Untrapped servlet exception java.io.IOException: { "message": "Server Error" } at org.kohsuke.github.Requester.handleApiError(Requester.java:342) at org.kohsuke.github.Requester._to(Requester.java:177) at org.kohsuke.github.Requester.to(Requester.java:141) at org.kohsuke.github.GitHub.getMyself(GitHub.java:230) at org.kohsuke.github.GitHub.<init>(GitHub.java:127) at org.kohsuke.github.GitHub.connectUsingOAuth(GitHub.java:184) at org.jenkinsci.plugins.GithubAuthenticationToken.<init>(GithubAuthenticationToken.java:68) at org.jenkinsci.plugins.GithubSecurityRealm.doFinishLogin(GithubSecurityRealm.java:315) 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.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:683) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:776) at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:201) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:683) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:776) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:585) at org.kohsuke.stapler.Stapler.service(Stapler.java:216) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:248) at winstone.RequestDispatcher.forward(RequestDispatcher.java:333) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179) at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86) at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98) at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:66) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) 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 org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124) 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:135) 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 org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64) 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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException: Server returned HTTP response code: 502 for URL: https://api.github.com/user at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234) at org.kohsuke.github.Requester.parse(Requester.java:298) at org.kohsuke.github.Requester._to(Requester.java:175) ... 79 more {code}
    via by John Prestel,
  • Tried to hit our Jenkins server this morning and found it crashed (server 500) and not recovering. A restart of the service resolved the issue. From the logs: {code} Jul 2, 2013 9:35:06 AM org.kohsuke.stapler.compression.CompressionFilter reportException WARNING: Untrapped servlet exception java.io.IOException: { "message": "Server Error" } at org.kohsuke.github.Requester.handleApiError(Requester.java:342) at org.kohsuke.github.Requester._to(Requester.java:177) at org.kohsuke.github.Requester.to(Requester.java:141) at org.kohsuke.github.GitHub.getMyself(GitHub.java:230) at org.kohsuke.github.GitHub.<init>(GitHub.java:127) at org.kohsuke.github.GitHub.connectUsingOAuth(GitHub.java:184) at org.jenkinsci.plugins.GithubAuthenticationToken.<init>(GithubAuthenticationToken.java:68) at org.jenkinsci.plugins.GithubSecurityRealm.doFinishLogin(GithubSecurityRealm.java:315) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:683) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:776) at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:201) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:683) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:776) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:585) at org.kohsuke.stapler.Stapler.service(Stapler.java:216) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:248) at winstone.RequestDispatcher.forward(RequestDispatcher.java:333) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179) at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86) at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98) at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:66) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) 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 org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124) 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:135) 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 org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64) 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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException: Server returned HTTP response code: 502 for URL: https://api.github.com/user at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234) at org.kohsuke.github.Requester.parse(Requester.java:298) at org.kohsuke.github.Requester._to(Requester.java:175) ... 79 more {code}
    via by John Prestel,
  • Problem with Github plugin and Enterprise Github
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    • java.io.IOException: { "message": "Server Error" } at org.kohsuke.github.Requester.handleApiError(Requester.java:342) at org.kohsuke.github.Requester._to(Requester.java:177) at org.kohsuke.github.Requester.to(Requester.java:141) at org.kohsuke.github.GitHub.getMyself(GitHub.java:230) at org.kohsuke.github.GitHub.<init>(GitHub.java:127) at org.kohsuke.github.GitHub.connectUsingOAuth(GitHub.java:184) at org.jenkinsci.plugins.GithubAuthenticationToken.<init>(GithubAuthenticationToken.java:68) at org.jenkinsci.plugins.GithubSecurityRealm.doFinishLogin(GithubSecurityRealm.java:315) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:683) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:776) at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:201) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:683) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:776) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:585) at org.kohsuke.stapler.Stapler.service(Stapler.java:216) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:248) at winstone.RequestDispatcher.forward(RequestDispatcher.java:333) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206) at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179) at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86) at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98) at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:66) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) 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 org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124) 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:135) 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 org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64) 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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException: Server returned HTTP response code: 502 for URL: https://api.github.com/user at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1436) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234) at org.kohsuke.github.Requester.parse(Requester.java:298) at org.kohsuke.github.Requester._to(Requester.java:175) ... 79 more

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