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  1. Jenkins
  2. JENKINS-55652

Jenkins cannot get config.xml with empty description

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Minor Minor
    • core
    • Jenkins 2.150.1, 2.146
      Not related to plugin list

      For example we have pipeline with empty description

      <?xml version="1.1" encoding="UTF-8"?><flow-definition plugin="workflow-job@2.29">
  <description></description>
  <keepDependencies>false</keepDependencies>
  <properties>
    <hudson.plugins.buildblocker.BuildBlockerProperty plugin="build-blocker-plugin@1.7.3">
      <useBuildBlocker>false</useBuildBlocker>
      <blockLevel>GLOBAL</blockLevel>
      <scanQueueFor>DISABLED</scanQueueFor>
      <blockingJobs/>
    </hudson.plugins.buildblocker.BuildBlockerProperty>
    <org.datadog.jenkins.plugins.datadog.DatadogJobProperty plugin="datadog@0.5.6">
      <tagProperties/>
      <tagFile/>
      <emitOnCheckout>false</emitOnCheckout>
    </org.datadog.jenkins.plugins.datadog.DatadogJobProperty>
  </properties>
  <definition class="org.jenkinsci.plugins.workflow.cps.CpsFlowDefinition" plugin="workflow-cps@2.60">
    <script>node {
   echo 'Hello World'
}</script>
    <sandbox>true</sandbox>
  </definition>
  <triggers/>
  <disabled>false</disabled>
</flow-definition>

      And you try update it with use of POST request to API. So, when you get config.xml at first with GET request and after it, you try to put it back with POST request Jenkins will receive it, but in uncorrect view. Like here (In some reason it deletes <description> tag)

      <?xml version="1.1" encoding="UTF-8"?><flow-definition plugin="workflow-job@2.29">
  <description/>
  <keepDependencies>false</keepDependencies>
  <properties>
    <hudson.plugins.buildblocker.BuildBlockerProperty plugin="build-blocker-plugin@1.7.3">
      <useBuildBlocker>false</useBuildBlocker>
      <blockLevel>GLOBAL</blockLevel>
      <scanQueueFor>DISABLED</scanQueueFor>
      <blockingJobs/>
    </hudson.plugins.buildblocker.BuildBlockerProperty>
    <org.datadog.jenkins.plugins.datadog.DatadogJobProperty plugin="datadog@0.5.6">
      <tagProperties/>
      <tagFile/>
      <emitOnCheckout>false</emitOnCheckout>
    </org.datadog.jenkins.plugins.datadog.DatadogJobProperty>
  </properties>
  <definition class="org.jenkinsci.plugins.workflow.cps.CpsFlowDefinition" plugin="workflow-cps@2.60">
    <script>node {
   echo 'Hello World'
}</script>
    <sandbox>true</sandbox>
  </definition>
  <triggers/>
  <disabled>false</disabled>
</flow-definition>

      And this is causes issue when you try to start the job.
      Stack trace

      java.lang.NullPointerException
	at hudson.model.ParametersDefinitionProperty.getParameterDefinition(ParametersDefinitionProperty.java:205)
	at hudson.model.ParametersDefinitionProperty._doBuild(ParametersDefinitionProperty.java:150)
	at jenkins.model.ParameterizedJobMixIn.doBuild(ParameterizedJobMixIn.java:212)
	at jenkins.model.ParameterizedJobMixIn$ParameterizedJob.doBuild(ParameterizedJobMixIn.java:408)
	at java.lang.invoke.MethodHandle.invokeWithArguments(MethodHandle.java:627)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:396)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:408)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:145)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:537)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:739)
Caused: javax.servlet.ServletException
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:789)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:870)
	at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:282)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:739)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:870)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:668)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:865)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1655)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:154)
	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
	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:1642)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:99)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
	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$1.doFilter(ChainedServletFilter.java:87)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:90)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1642)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1340)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1242)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.Server.handle(Server.java:503)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:748)

            Unassigned Unassigned
            bat9r Mike Pylypyshyn
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              Created:
              Updated: