How to print a Groovy variable in Jenkins

Question

I have the following code within a Jenkins pipeline   stage   Question         try           timeout time  1  unit   MINUTES                 userInput   input message   Choose server to publish to    ok      parameters                      class   hudson model ChoiceParameterDefinition   choices   pc-ensureint nother-server   description   Choose server to publish to    name   server                            catch  err            userInput    server   pc-ensureint      if an error is caught set this value          node          println   server      I m trying to troubleshoot a problem with the  server  variable which is set in the  ChoiceParameterDefinition    When I run the build  I get the following error   java lang NoSuchMethodError  No such DSL method     found among steps  AddInteractivePromotion  ArtifactoryGradleBuild  ArtifactoryMavenBuild  ConanAddRemote  ConanAddUser  InitConanClient  MavenDescriptorStep  RunConanCommand  ansiblePlaybook  archive  artifactoryDownload  artifactoryPromoteBuild  artifactoryUpload  bat  build  catchError  checkout  collectEnv  deleteDir  dir  dockerFingerprintFrom  dockerFingerprintRun  dockerPullStep  dockerPushStep  echo  emailext  emailextrecipients  envVarsForTool  error  fileExists  getArtifactoryServer  getContext  getDatabaseConnection  git  input  isUnix  library  libraryResource  load  mail  milestone  newArtifactoryServer  newBuildInfo  newGradleBuild  newMavenBuild  node  parallel  properties  publishBuildInfo  pwd  readFile  readTrusted  resolveScm  retry  script  sh  sleep  sql  stage  stash  step  svn  timeout  timestamps  tool  unarchive  unstash  validateDeclarativePipeline  waitForQualityGate  waitUntil  withContext  withCredentials  withDockerContainer  withDockerRegistry  withDockerServer  withEnv  wrap  writeFile  ws  xrayScanBuild  or symbols  all  allOf  always  ant  antFromApache  antOutcome  antTarget  any  anyOf  apiToken  architecture  archiveArtifacts  artifactManager  batchFile  booleanParam  branch  buildButton  buildDiscarder  caseInsensitive  caseSensitive  choice  choiceParam  cleanWs  clock  cloud  command  configFile  configFileProvider  cron  crumb  defaultView  demand  disableConcurrentBuilds  docker  dockerfile  downloadSettings  downstream  dumb  envVars  environment  expression  file  fileParam  filePath  fingerprint  frameOptions  freeStyle  freeStyleJob  git  github  githubPush  gradle  hyperlink  hyperlinkToModels  installSource  jdk  jdkInstaller  jgit  jgitapache  jnlp  jobName  junit  label  lastDuration  lastFailure  lastGrantedAuthorities  lastStable  lastSuccess  legacy  legacySCM  list  local  location  logRotator  loggedInUsersCanDoAnything  masterBuild  maven  maven3Mojos  mavenErrors  mavenMojos  mavenWarnings  modernSCM  msbuild  msbuildError  msbuildWarning  myView  node  nodeProperties  nonStoredPasswordParam  none  not  overrideIndexTriggers  paneStatus  parameters  password  pattern  pipeline-model  pipelineTriggers  plainText  plugin  pollSCM  projectNamingStrategy  proxy  queueItemAuthenticator  quietPeriod  remotingCLI  run  runParam  schedule  scmRetryCount  search  security  shell  skipDefaultCheckout  skipStagesAfterUnstable  slave  stackTrace  standard  status  string  stringParam  swapSpace  text  textParam  tmpSpace  toolLocation  unsecured  upstream  usernameColonPassword  usernamePassword  viewsTabBar  weather  withSonarQubeEnv  zfs  zip  or globals  Artifactory  currentBuild  docker  env  params  pipeline  scm      at org jenkinsci plugins workflow cps DSL invokeMethod DSL java 149      at org jenkinsci plugins workflow cps CpsScript invokeMethod CpsScript java 108      at groovy lang GroovyObject invokeMethod call Unknown Source      at org codehaus groovy runtime callsite CallSiteArray defaultCall CallSiteArray java 48      at org codehaus groovy runtime callsite AbstractCallSite call AbstractCallSite java 113      at org kohsuke groovy sandbox impl Checker 1 call Checker java 151      at org kohsuke groovy sandbox GroovyInterceptor onMethodCall GroovyInterceptor java 21      at org jenkinsci plugins scriptsecurity sandbox groovy SandboxInterceptor onMethodCall SandboxInterceptor java 115      at org kohsuke groovy sandbox impl Checker 1 call Checker java 149      at org kohsuke groovy sandbox impl Checker checkedCall Checker java 146      at org kohsuke groovy sandbox impl Checker checkedCall Checker java 123      at org kohsuke groovy sandbox impl Checker checkedCall Checker java 123      at com cloudbees groovy cps sandbox SandboxInvoker methodCall SandboxInvoker java 16      at WorkflowScript run WorkflowScript 16      at    cps transform    Native Method      at com cloudbees groovy cps impl ContinuationGroup methodCall ContinuationGroup java 57      at com cloudbees groovy cps impl FunctionCallBlock ContinuationImpl dispatchOrArg FunctionCallBlock java 109      at com cloudbees groovy cps impl FunctionCallBlock ContinuationImpl fixArg FunctionCallBlock java 82      at sun reflect GeneratedMethodAccessor637 invoke Unknown Source      at sun reflect DelegatingMethodAccessorImpl invoke Unknown Source      at java lang reflect Method invoke Unknown Source      at com cloudbees groovy cps impl ContinuationPtr ContinuationImpl receive ContinuationPtr java 72      at com cloudbees groovy cps impl ClosureBlock eval ClosureBlock java 46      at com cloudbees groovy cps Next step Next java 74      at com cloudbees groovy cps Continuable run0 Continuable java 154      at org jenkinsci plugins workflow cps SandboxContinuable access 001 SandboxContinuable java 18      at org jenkinsci plugins workflow cps SandboxContinuable 1 call SandboxContinuable java 33      at org jenkinsci plugins workflow cps SandboxContinuable 1 call SandboxContinuable java 30      at org jenkinsci plugins scriptsecurity sandbox groovy GroovySandbox runInSandbox GroovySandbox java 108      at org jenkinsci plugins workflow cps SandboxContinuable run0 SandboxContinuable java 30      at org jenkinsci plugins workflow cps CpsThread runNextChunk CpsThread java 165      at org jenkinsci plugins workflow cps CpsThreadGroup run CpsThreadGroup java 330      at org jenkinsci plugins workflow cps CpsThreadGroup access 100 CpsThreadGroup java 82      at org jenkinsci plugins workflow cps CpsThreadGroup 2 call CpsThreadGroup java 242      at org jenkinsci plugins workflow cps CpsThreadGroup 2 call CpsThreadGroup java 230      at org jenkinsci plugins workflow cps CpsVmExecutorService 2 call CpsVmExecutorService java 64      at java util concurrent FutureTask run Unknown Source      at hudson remoting SingleLaneExecutorService 1 run SingleLaneExecutorService java 112      at jenkins util ContextResettingExecutorService 1 run ContextResettingExecutorService java 28      at java util concurrent Executors RunnableAdapter call Unknown Source      at java util concurrent FutureTask run Unknown Source      at java util concurrent ThreadPoolExecutor runWorker Unknown Source      at java util concurrent ThreadPoolExecutor Worker run Unknown Source      at java lang Thread run Unknown Source  Finished  FAILURE   As far as I know   server  is a groovy variable and thus I m supposed to be able to access it using       So I ve tried   echo   server  print   server  println   server  println    server     But no matter what I try I keep getting this error   Any idea what I m doing wrong

User · Accepted Answer

The following code worked for me   echo userInput

User · Answer

You shouldn t use   varName  when you re outside of strings  you should just use varName  Inside strings you use it like this  echo  this is a string   someVariable     Infact you can place an general java expression inside of         echo  this is a string   func arg1  arg2

[variables] How to print a Groovy variable in Jenkins?

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