Exception: java.lang.RuntimeException: Failed to instantiate class org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder from {"":["0","0"],"conditionalbuilders":{"classPath":"","groovyName":"(Default)","javaOpts":"","kind":"hudson.plugins.groovy.Groovy","parameters":"","properties":"","scriptParameters":"","scriptSource":

{"command":"print \"a\"","value":"0"}

,"stapler-class":"hudson.plugins.groovy.Groovy"},"kind":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder","runCondition":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.core.AlwaysRun"}

,"runner":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.BuildStepRunner$Fail"}

,"stapler-class":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder"}
Stacktrace:
javax.servlet.ServletException: java.lang.RuntimeException: Failed to instantiate class org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder from {"":["0","0"],"conditionalbuilders":{"classPath":"","groovyName":"(Default)","javaOpts":"","kind":"hudson.plugins.groovy.Groovy","parameters":"","properties":"","scriptParameters":"","scriptSource":

{"command":"print \"a\"","value":"0"}

,"stapler-class":"hudson.plugins.groovy.Groovy"},"kind":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder","runCondition":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.core.AlwaysRun"}

,"runner":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.BuildStepRunner$Fail"}

,"stapler-class":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder"}
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:615)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
at org.kohsuke.stapler.Stapler.invoke(Stapler.java:487)
at org.kohsuke.stapler.Stapler.service(Stapler.java:164)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
at winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
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:63)
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$1.doFilter(ChainedServletFilter.java:87)
at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:215)
at winstone.RequestHandlerThread.run(RequestHandlerThread.java:138)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: Failed to instantiate class org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder from {"":["0","0"],"conditionalbuilders":{"classPath":"","groovyName":"(Default)","javaOpts":"","kind":"hudson.plugins.groovy.Groovy","parameters":"","properties":"","scriptParameters":"","scriptSource":

{"command":"print \"a\"","value":"0"}

,"stapler-class":"hudson.plugins.groovy.Groovy"},"kind":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder","runCondition":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.core.AlwaysRun"}

,"runner":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.BuildStepRunner$Fail"}

,"stapler-class":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder"}
at hudson.model.Descriptor.newInstance(Descriptor.java:585)
at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:922)
at hudson.model.Descriptor.newInstancesFromHeteroList(Descriptor.java:909)
at hudson.util.DescribableList.rebuildHetero(DescribableList.java:203)
at hudson.model.Project.submit(Project.java:202)
at hudson.model.Job.doConfigSubmit(Job.java:1045)
at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:723)
at sun.reflect.GeneratedMethodAccessor541.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:288)
at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:151)
at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:90)
at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
... 60 more
Caused by: java.lang.IllegalArgumentException: Failed to instantiate class org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder from {"":["0","0"],"conditionalbuilders":{"classPath":"","groovyName":"(Default)","javaOpts":"","kind":"hudson.plugins.groovy.Groovy","parameters":"","properties":"","scriptParameters":"","scriptSource":

{"command":"print \"a\"","value":"0"}

,"stapler-class":"hudson.plugins.groovy.Groovy"},"kind":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder","runCondition":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.core.AlwaysRun"}

,"runner":

{"stapler-class":"org.jenkins_ci.plugins.run_condition.BuildStepRunner$Fail"}

,"stapler-class":"org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder"}
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:582)
at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:377)
at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:373)
at hudson.model.Descriptor.newInstance(Descriptor.java:576)
... 75 more
Caused by: java.lang.IllegalArgumentException: Failed to convert the conditionalbuilders parameter of the constructor public org.jenkinsci.plugins.conditionalbuildstep.ConditionalBuilder(org.jenkins_ci.plugins.run_condition.RunCondition,org.jenkins_ci.plugins.run_condition.BuildStepRunner,java.util.List)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:576)
... 78 more
Caused by: java.lang.IllegalArgumentException: Failed to instantiate class hudson.tasks.Builder from {"classPath":"","groovyName":"(Default)","javaOpts":"","kind":"hudson.plugins.groovy.Groovy","parameters":"","properties":"","scriptParameters":"","scriptSource":

{"command":"print \"a\"","value":"0"}

,"stapler-class":"hudson.plugins.groovy.Groovy"}
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:582)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:618)
at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:377)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:574)
... 78 more
Caused by: java.lang.IllegalArgumentException: Failed to convert the scriptSource parameter of the constructor public hudson.plugins.groovy.Groovy(hudson.plugins.groovy.ScriptSource,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:576)
... 81 more
Caused by: java.lang.IllegalArgumentException: Failed to instantiate interface hudson.plugins.groovy.ScriptSource from

{"command":"print \"a\"","value":"0"}

at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:582)
at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:377)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:574)
... 81 more
Caused by: org.kohsuke.stapler.NoStaplerConstructorException: There's no @DataBoundConstructor on any constructor of interface hudson.plugins.groovy.ScriptSource
at org.kohsuke.stapler.ClassDescriptor.loadConstructorParamNames(ClassDescriptor.java:176)
at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:561)
... 83 more