[JIRA] (JENKINS-60788) NullPointerException when hitting Check Now against a custom update center

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aburdajewicz@cloudbees.com (JIRA)

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Jan 16, 2020, 3:21:08 AM1/16/20
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Allan BURDAJEWICZ created an issue
 
Jenkins / Bug JENKINS-60788
NullPointerException when hitting Check Now against a custom update center
Issue Type: Bug Bug
Assignee: Unassigned
Components: core
Created: 2020-01-16 08:20
Environment: 2.204.1
Priority: Minor Minor
Reporter: Allan BURDAJEWICZ

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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o.v.nenashev@gmail.com (JIRA)

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Mar 3, 2020, 8:12:02 AM3/3/20
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Oleg Nenashev updated an issue
Change By: Oleg Nenashev
Labels: lts-candidate
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o.v.nenashev@gmail.com (JIRA)

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Mar 3, 2020, 8:13:03 AM3/3/20
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Oleg Nenashev started work on Bug JENKINS-60788
 
Change By: Oleg Nenashev
Status: Open In Progress

o.v.nenashev@gmail.com (JIRA)

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Mar 3, 2020, 8:13:03 AM3/3/20
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Oleg Nenashev assigned an issue to Alex Earl
Change By: Oleg Nenashev
Assignee: Alex Earl

o.v.nenashev@gmail.com (JIRA)

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Mar 3, 2020, 8:13:03 AM3/3/20
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Change By: Oleg Nenashev
Status: In Progress Review

o.v.nenashev@gmail.com (JIRA)

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Mar 9, 2020, 8:52:03 AM3/9/20
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Change By: Oleg Nenashev
Status: In Review Resolved
Resolution: Fixed
Released As: Jenkins 2.224

ogondza@gmail.com (JIRA)

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Apr 3, 2020, 4:17:03 AM4/3/20
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Oliver Gondža updated an issue
Change By: Oliver Gondža
Labels: lts 2.222.2 - candidate fixed
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