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  1. Jenkins
  2. JENKINS-60788

NullPointerException when hitting Check Now against a custom update center

    Details

    • Similar Issues:
    • Released As:
      Jenkins 2.224

      Description

      When using a *custom update site* pointing to a specific implementation of an update center, hitting the "Check Now" button in the Plugin Manager under *Manage Jenkins > Manage Plugins* may cause a NullPointerException:

      2020-01-15 12:47:41.347+0000 [id=12]	INFO	hudson.util.Retrier#start: The attempt #1 to do the action check updates server failed with an allowed exception:
      java.lang.NullPointerException
      	at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.isDefaultSchema(DownloadFromUrlInstaller.java:160)
      	at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.access$000(DownloadFromUrlInstaller.java:124)
      	at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl$1.reduce(DownloadFromUrlInstaller.java:139)
      	at hudson.model.DownloadService$Downloadable.updateNow(DownloadService.java:358)
      	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:1772)
      	at hudson.util.Retrier.start(Retrier.java:62)
      	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:1736)
      	at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
      	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:396)
      	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:408)
      	at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:77)
      	at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26)
      	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
      	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:145)
      	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:535)
      	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
      	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:747)
      	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:878)
      	at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:169)
      	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
      	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:747)
      	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:878)
      	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:676)
      	at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:873)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
      	at com.cloudbees.jenkins.ha.HAHealthCheckFilter.doFilter(HAHealthCheckFilter.java:35)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
      	at com.cloudbees.jenkins.support.impl.cloudbees.UnrestrictedApiCallsMonitor$ApiMonitorFilter.doFilter(UnrestrictedApiCallsMonitor.java:120)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at jenkins.security.ResourceDomainFilter.doFilter(ResourceDomainFilter.java:76)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at com.cloudbees.jenkins.support.slowrequest.SlowRequestFilter.doFilter(SlowRequestFilter.java:37)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at com.cloudbees.opscenter.client.plugin.OfflineSecurityRealmFilter._doFilter(OfflineSecurityRealmFilter.java:95)
      	at com.cloudbees.opscenter.client.plugin.OfflineSecurityRealmFilter.doFilter(OfflineSecurityRealmFilter.java:70)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at com.cloudbees.opscenter.security.ClusterSessionFilter._doFilter(ClusterSessionFilter.java:68)
      	at com.cloudbees.opscenter.security.ClusterSessionFilter.doFilter(ClusterSessionFilter.java:43)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at jenkins.telemetry.impl.UserLanguages$AcceptLanguageFilter.doFilter(UserLanguages.java:128)
      	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151)
      	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:157)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
      	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:99)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
      	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:118)
      	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$1.doFilter(ChainedServletFilter.java:87)
      	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90)
      	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
      	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
      	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
      	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
      	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1700)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1667)
      	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
      	at org.eclipse.jetty.server.Server.handle(Server.java:505)
      	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:370)
      	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:267)
      	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
      	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
      	at org.eclipse.jetty.io.ssl.SslConnection$DecryptedEndPoint.onFillable(SslConnection.java:427)
      	at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:321)
      	at org.eclipse.jetty.io.ssl.SslConnection$2.succeeded(SslConnection.java:159)
      	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
      	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
      	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
      	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
      	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
      	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
      	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:698)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:804)
      	at java.lang.Thread.run(Thread.java:748)
      

      While the problem is probably related to the schema used by the custom update site, this method could be improved and be nullsafe.

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            • Assignee:
              slide_o_mix Alex Earl
              Reporter:
              allan_burdajewicz Allan BURDAJEWICZ
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              • Created:
                Updated:
                Resolved: