在官网运行pipeline的hello world时，按照官网流程，构建 流水线 项目走完之后，发现报错，走不通。异常log如下：
Started by user admin Running in Durability level: MAX_SURVIVABILITY [Pipeline] Start of Pipeline [Pipeline] End of Pipeline java.lang.NoSuchMethodError: No such DSL method 'pipeline' found among steps [acceptGitLabMR, addGitLabMRComment, build, checkout, findFiles, git, gitlabBuilds, gitlabCommitStatus, junit, load, nodesByLabel, parallel, properties, readCSV, readJSON, readManifest, readMavenPom, readProperties, readTrusted, readYaml, resolveScm, setGitHubPullRequestStatus, sha1, tee, tm, touch, unzip, updateGitlabCommitStatus, withCredentials, writeCSV, writeJSON, writeMavenPom, writeYaml, zip] or symbols [Number, Open, all, allowRunOnStatus, always, apiToken, architecture, archiveArtifacts, artifactManager, asIsGITScm, authorizationMatrix, batchFile, booleanParam, branchCreated, branches, buildButton, buildDiscarder, caseInsensitive, caseSensitive, certificate, choice, choiceParam, clock, close, cloud, command, commentPattern, commit, commitChanged, commitMessagePattern, created, credentials, cron, crumb, defaultView, deleted, demand, description, disableConcurrentBuilds, disableResume, docker-image-build, docker-image-producer, dockerCert, dockerEnvVars, dockerSettings, dockerShell, downloadSettings, downstream, dumb, durabilityHint, envVars, file, fileParam, filePath, fingerprint, frameOptions, freeStyle, freeStyleJob, fromScm, fromSource, git, gitHub, gitHubBranchDiscovery, gitHubBranchHeadAuthority, gitHubEvents, gitHubForkDiscovery, gitHubPRStatus, gitHubPlugin, gitHubTagDiscovery, gitHubTrustContributors, gitHubTrustEveryone, gitHubTrustNobody, gitHubTrustPermissions, gitLabConnection, github, githubAccessToken, githubBranches, githubPRAddLabels, githubPRClosePublisher, githubPRComment, githubPRMessage, githubPRRemoveLabels, githubPRStatusPublisher, githubPlugin, githubPullRequests, githubPush, gitlab, hashChanged, headRegexFilter, headWildcardFilter, hyperlink, hyperlinkToModels, inheriting, inheritingGlobal, installSource, jdk, jdkInstaller, jgit, jgitapache, jnlp, jobName, labels, labelsAdded, labelsExist, labelsNotExist, labelsPatternExists, labelsRemoved, lastDuration, lastFailure, lastGrantedAuthorities, lastStable, lastSuccess, legacy, list, local, location, logRotator, loggedInUsersCanDoAnything, masterBuild, maven, maven3Mojos, mavenErrors, mavenMojos, mavenWarnings, message, myView, noGITScm, nodeProperties, nonInheriting, nonMergeable, none, overrideIndexTriggers, paneStatus, parameters, password, pattern, permanent, pipelineTriggers, plainText, plugin, pollSCM, projectNamingStrategy, proxy, pullRequest, pullRequests, queueItemAuthenticator, quietPeriod, rateLimitBuilds, restriction, restrictions, run, runParam, schedule, scmRetryCount, scriptApprovalLink, search, security, shell, slave, sourceRegexFilter, sourceWildcardFilter, sshPublisher, sshPublisherDesc, sshTransfer, sshUserPrivateKey, stackTrace, standard, status, statusOnPublisherError, string, stringParam, swapSpace, tag, tags, text, textParam, tmpSpace, toolLocation, unsecured, upstream, userSeed, usernameColonPassword, usernamePassword, viewsTabBar, weather, yadockerWrapper, zfs, zip] or globals [currentBuild, env, params, scm] at org.jenkinsci.plugins.workflow.cps.DSL.invokeMethod(DSL.java:199) at org.jenkinsci.plugins.workflow.cps.CpsScript.invokeMethod(CpsScript.java:122) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1213) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1022) at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:42) 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:158) at org.kohsuke.groovy.sandbox.GroovyInterceptor.onMethodCall(GroovyInterceptor.java:23) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:157) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:142) at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:156) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:160) at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.methodCall(SandboxInvoker.java:17) at WorkflowScript.run(WorkflowScript:1) at ___cps.transform___(Native Method) at com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.cloudbees.groovy.cps.impl.ContinuationPtr$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:83) at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:174) at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163) at org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:129) at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:268) at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$001(SandboxContinuable.java:18) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:51) at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:174) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:347) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:93) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:259) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:247) at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:64) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Finished: FAILURE
官网操作流程：https://jenkins.io/doc/book/pipeline/getting-started/
解决思路：这是因为jenkins中没有pipeline的插件，需要去下载插件，重新跑流程。
解决办法：
1、下载插件 Pipeline
2、重启jenkins