If you try to run concurrent P4Groovy jobs that need to create a workspace you will see the error:
... p4 client -i p4 client -i Error in client specification. Embedded special characters (*, %%, #, @) not allowed in '/var/lib/jenkins/workspace/JOB_NAME@2'.
This is caused by the 'root' field being parsed as if its a view field.
Reproduction Steps:
(1) Create a pipeline job using the following build script:
node ('master'){ stage('Checkout') { def p4Workspace = 'jenkins-${NODE_NAME}-${JOB_NAME}-$[EXECUTOR}-src' def ws = [$class: 'ManualWorkspaceImpl', name: p4Workspace , spec: [view: '//depot/Data/... //'+p4Workspace+'/...']] def p4 = p4(credential: 'JenkinsCredential', workspace: ws) def response3 = p4.run('sync') echo (response3.toString()) sleep 30 } }
(2) Run build.
(3) Wait 5 seconds
(4) Run build again.
The first build will run without error. The second build will fail immediatly due to '@2' being appended to the workspace root path by Jenkins:
Started by user unknown or anonymous Running in Durability level: MAX_SURVIVABILITY [Pipeline] node Running on Jenkins in /var/lib/jenkins/workspace/P4Groovy@2 [Pipeline] { [Pipeline] stage [Pipeline] { (Checkout) [Pipeline] p4 ... p4 client -o jenkins-master-P4Groovy-$[EXECUTOR}-src +... p4 info +... p4 info +... p4 client -o jenkins-master-P4Groovy-$[EXECUTOR}-src +... p4 client -i +P4: Unable to setup workspace: com.perforce.p4java.exception.RequestException: Error in client specification. Embedded special characters (*, %%, #, @) not allowed in '/var/lib/jenkins/workspace/P4Groovy@2'. at com.perforce.p4java.impl.mapbased.server.cmd.ResultMapParser.handleErrorStr(ResultMapParser.java:145) at com.perforce.p4java.impl.mapbased.server.cmd.ResultMapParser.parseCommandResultMapIfIsInfoMessageAsString(ResultMapParser.java:96) at com.perforce.p4java.impl.mapbased.server.cmd.ClientDelegator.updateClient(ClientDelegator.java:195) at com.perforce.p4java.impl.mapbased.server.Server.updateClient(Server.java:1506) at com.perforce.p4java.impl.mapbased.client.Client.update(Client.java:516) at org.jenkinsci.plugins.p4.client.ClientHelper.updateClient(ClientHelper.java:180) at org.jenkinsci.plugins.p4.client.ClientHelper.clientLogin(ClientHelper.java:159) at org.jenkinsci.plugins.p4.client.ClientHelper.<init>(ClientHelper.java:101) at org.jenkinsci.plugins.p4.tasks.AbstractTask.tryTask(AbstractTask.java:161) at org.jenkinsci.plugins.p4.groovy.P4GroovyTask.invoke(P4GroovyTask.java:42) at org.jenkinsci.plugins.p4.groovy.P4GroovyTask.invoke(P4GroovyTask.java:19) at hudson.FilePath.act(FilePath.java:1077) at hudson.FilePath.act(FilePath.java:1060) at org.jenkinsci.plugins.p4.groovy.P4Groovy.run(P4Groovy.java:62) at sun.reflect.GeneratedMethodAccessor1500.invoke(Unknown Source) 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.PojoMetaClassSite.call(PojoMetaClassSite.java:47) 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:157) at org.kohsuke.groovy.sandbox.GroovyInterceptor.onMethodCall(GroovyInterceptor.java:23) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:155) at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:155) at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:159) at com.cloudbees.groovy.cps.sandbox.SandboxInvoker.methodCall(SandboxInvoker.java:17) at com.cloudbees.groovy.cps.impl.ContinuationGroup.methodCall(ContinuationGroup.java:57) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.dispatchOrArg(FunctionCallBlock.java:109) at com.cloudbees.groovy.cps.impl.FunctionCallBlock$ContinuationImpl.fixArg(FunctionCallBlock.java:82) at sun.reflect.GeneratedMethodAccessor775.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.cloudbees.groovy.cps.impl.ContinuationPtr$ContinuationImpl.receive(ContinuationPtr.java:72) at com.cloudbees.groovy.cps.impl.ConstantBlock.eval(ConstantBlock.java:21) 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:122) at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:261) at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$101(SandboxContinuable.java:34) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.lambda$run0$0(SandboxContinuable.java:59) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108) at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:58) at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:182) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:332) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:83) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:244) at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:232) 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)
Workaround should be to start all nodes running concurrent builds to not use "@": start jvm with "-Dhudson.slaves.WorkspaceList=_"