Status Code: 500
Exception:
Stacktrace:

java.lang.RuntimeException: Failed to instantiate class hudson.triggers.TimerTrigger from {"spec":"*/5 * * * "}
  at hudson.model.Descriptor.newInstance(Descriptor.java:560)
  at hudson.model.AbstractProject.buildDescribable(AbstractProject.java:1732)
  at hudson.model.AbstractProject.submit(AbstractProject.java:1711)
  at hudson.model.Project.submit(Project.java:192)
  at hudson.model.Job.doConfigSubmit(Job.java:977)
  at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:643)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:616)
  at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:282)
  at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:149)
  at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:88)
  at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:104)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
  at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
  at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:234)
  at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
  at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:561)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:646)
  at org.kohsuke.stapler.Stapler.invoke(Stapler.java:477)
  at org.kohsuke.stapler.Stapler.service(Stapler.java:159)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
  at winstone.ServletConfiguration.execute(ServletConfiguration.java:249)
  at winstone.RequestDispatcher.forward(RequestDispatcher.java:335)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:378)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
  at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:74)
  at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98)
  at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
  at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
  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:166)
  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 org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:173)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:61)
  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:66)
  at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
  at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
  at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
  at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
  at winstone.FilterConfiguration.execute(FilterConfiguration.java:195)
  at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:368)
  at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
  at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:244)
  at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
  at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.IllegalArgumentException: Failed to instantiate class hudson.triggers.TimerTrigger from {"spec":"*/5 * * * "}
  at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:628)
  at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:372)
  at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:368)
  at hudson.model.Descriptor.newInstance(Descriptor.java:551)
  ... 64 more
Caused by: java.lang.IllegalArgumentException: antlr.ANTLRException: Invalid input: "*/5 * * *": line 1:10: expecting space, found 'null'
  at org.kohsuke.stapler.RequestImpl.invokeConstructor(RequestImpl.java:434)
  at org.kohsuke.stapler.RequestImpl.access$300(RequestImpl.java:75)
  at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:626)
  ... 67 more
Caused by: antlr.ANTLRException: Invalid input: "*/5 * * *": line 1:10: expecting space, found 'null'
  at hudson.scheduler.CronTabList.create(CronTabList.java:83)
  at hudson.triggers.Trigger.<init>(Trigger.java:150)
  at hudson.triggers.TimerTrigger.<init>(TimerTrigger.java:48)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
  at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
  at org.kohsuke.stapler.RequestImpl.invokeConstructor(RequestImpl.java:419)
  ... 69 more
Caused by: line 1:10: expecting space, found 'null'
  at antlr.Parser.match(Parser.java:211)
  at hudson.scheduler.CrontabParser.startRule(CrontabParser.java:64)
  at hudson.scheduler.CronTab.set(CronTab.java:72)
  at hudson.scheduler.CronTab.<init>(CronTab.java:63)
  at hudson.scheduler.CronTabList.create(CronTabList.java:81)
  ... 76 more