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Bug
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Resolution: Fixed
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Minor
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None
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Core 2.126
Experimental UC plugins
Snapshot build of PR228 1.2.10-SNAPSHOT (private-f5572354-kshultz)
Summary
I accidentally ended up with a Jenkinsfile with an incorrect sequential flow in it. When I tried to run it, instead of a clear explanation of what I'd done wrong, I got a NullPointerException back.
Opening this as a Minor because this is an operator error kind of problem. Figured you'd want to at least see it though, considering it's a NPE.
Steps to recreate
1. Use this pipeline. You can use it in an inline job, store it on SCM somewhere, or use the CLI.
pipeline { agent any stages { stage('PARALLEL-WRAPPER') { parallel { stages { stage('file-1') { steps { sh "touch file-1" } } stage('file-2') { steps { sh "touch file-2" } } } stage('Contains Sequentials') { stages { stage('ls') { steps { sh "ls" } } stage('ls') { steps { sh "ls file-2" } } } } } } } }
2. Run it in whatever your preferred way is. Here it is from the CLI:
✔ ~/Documents/CloudBees/Work/Declarative/1.3/bbs-repos/sequential-stages [npe-recreate|…1] 20:31 $ java -jar ~/bin/jenkins-cli.jar -auth admin:admin -s http://172.18.40.95:8080/ declarative-linter < Jenkinsfile ERROR: Unexpected exception occurred while performing declarative-linter command. java.lang.NullPointerException at org.jenkinsci.plugins.pipeline.modeldefinition.ast.ModelASTStage.validate(ModelASTStage.java:144) at org.jenkinsci.plugins.pipeline.modeldefinition.ast.ModelASTStages.validate(ModelASTStages.java:43) at org.jenkinsci.plugins.pipeline.modeldefinition.ast.ModelASTStages.validate(ModelASTStages.java:37) at org.jenkinsci.plugins.pipeline.modeldefinition.ast.ModelASTPipelineDef.validate(ModelASTPipelineDef.java:66) at org.jenkinsci.plugins.pipeline.modeldefinition.ast.ModelASTPipelineDef$validate.call(Unknown Source) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.ModelParser.parsePipelineStep(ModelParser.groovy:264) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.ModelParser.this$2$parsePipelineStep(ModelParser.groovy) at sun.reflect.GeneratedMethodAccessor567.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:210) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:59) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:174) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.ModelParser.parse(ModelParser.groovy:162) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.ModelParser$parse.callCurrent(Unknown Source) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.ModelParser.parse(ModelParser.groovy:129) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.ModelParser$parse$5.call(Unknown Source) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.Converter$1.call(Converter.groovy:166) at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:943) Caused: BUG! exception in phase 'canonicalization' in source unit 'WorkflowScript' null at org.codehaus.groovy.control.CompilationUnit.applyToSourceUnits(CompilationUnit.java:947) at org.codehaus.groovy.control.CompilationUnit.doPhaseOperation(CompilationUnit.java:605) at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:581) at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:558) at org.codehaus.groovy.control.CompilationUnit$compile$1.call(Unknown Source) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.Converter.compilationUnitToPipelineDef(Converter.groovy:171) at sun.reflect.GeneratedMethodAccessor668.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite$StaticMetaMethodSiteNoUnwrapNoCoerce.invoke(StaticMetaMethodSite.java:151) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.callStatic(StaticMetaMethodSite.java:102) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:214) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.Converter.scriptToPipelineDef(Converter.groovy:132) at sun.reflect.GeneratedMethodAccessor665.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.invoke(StaticMetaMethodSite.java:46) at org.codehaus.groovy.runtime.callsite.StaticMetaMethodSite.callStatic(StaticMetaMethodSite.java:102) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:214) at org.jenkinsci.plugins.pipeline.modeldefinition.parser.Converter.scriptToPipelineDef(Converter.groovy:125) at org.jenkinsci.plugins.pipeline.modeldefinition.cli.DeclarativeLinterCommand.run(DeclarativeLinterCommand.java:55) at hudson.cli.CLICommand.main(CLICommand.java:280) at hudson.cli.CLIAction$PlainCliEndpointResponse$1.run(CLIAction.java:221) at jenkins.util.FullDuplexHttpService.download(FullDuplexHttpService.java:115) at jenkins.util.FullDuplexHttpService$Response.generateResponse(FullDuplexHttpService.java:175) at org.kohsuke.stapler.HttpResponseRenderer$Default.handleHttpResponse(HttpResponseRenderer.java:124) at org.kohsuke.stapler.HttpResponseRenderer$Default.generateResponse(HttpResponseRenderer.java:69) at org.kohsuke.stapler.Function.renderResponse(Function.java:136) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:676) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845) at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:374) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:715) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:845) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649) at org.kohsuke.stapler.Stapler.service(Stapler.java:238) at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:860) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1650) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154) at org.jenkinsci.plugins.ssegateway.Endpoint$SSEListenChannelFilter.doFilter(Endpoint.java:225) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151) at io.jenkins.blueocean.ResourceCacheControl.doFilter(ResourceCacheControl.java:134) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:151) at io.jenkins.blueocean.auth.jwt.impl.JwtAuthenticationFilter.doFilter(JwtAuthenticationFilter.java:61) 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:1637) at hudson.cli.CliCrumbExclusion.process(CliCrumbExclusion.java:47) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:73) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) 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.success(BasicHeaderProcessor.java:140) at jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:82) 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:1637) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30) at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1637) at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143) at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190) at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595) at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188) at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168) at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473) at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564) at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166) at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155) at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132) at org.eclipse.jetty.server.Server.handle(Server.java:530) at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347) at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256) at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279) at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102) at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140) at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131) at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)