hudson.remoting.ProxyException: an exception which occurred:hudson.remoting.ProxyException: an exception which occurred: in object of type WorkflowScript in field groovy.lang.Closure.delegate in object org.jenkinsci.plugins.workflow.cps.CpsClosure2@73fa5905 in object of type org.jenkinsci.plugins.workflow.cps.CpsClosure2 in object of type java.util.HashMap in field org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.closures in object org.jenkinsci.plugins.workflow.cps.CpsThreadGroup@63ea2c01 in object of type org.jenkinsci.plugins.workflow.cps.CpsThreadGroupCaused: hudson.remoting.ProxyException: java.lang.NullPointerException at com.cloudbees.groovy.cps.SerializableScript.readObject(SerializableScript.java:31) at org.jboss.marshalling.reflect.JDKSpecific$SerMethods.callReadObject(JDKSpecific.java:100) at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:212) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1742) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1711) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1711) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1391) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:220) at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1849) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1763) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1711) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1711) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1391) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272) at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:149) at org.jboss.marshalling.river.BlockUnmarshaller.readObject(BlockUnmarshaller.java:135) at org.jboss.marshalling.MarshallerObjectInputStream.readObjectOverride(MarshallerObjectInputStream.java:53) at org.jboss.marshalling.river.RiverObjectInputStream.readObjectOverride(RiverObjectInputStream.java:307) at java.base/java.io.ObjectInputStream.readObject(ObjectInputStream.java:424) at java.base/java.util.HashMap.readObject(HashMap.java:1460) at org.jboss.marshalling.reflect.JDKSpecific$SerMethods.callReadObject(JDKSpecific.java:100) at org.jboss.marshalling.reflect.SerializableClass.callReadObject(SerializableClass.java:212) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1742) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1391) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:220) at org.jboss.marshalling.river.RiverUnmarshaller.readFields(RiverUnmarshaller.java:1849) at org.jboss.marshalling.river.RiverUnmarshaller.doInitSerializable(RiverUnmarshaller.java:1763) at org.jboss.marshalling.river.RiverUnmarshaller.doReadNewObject(RiverUnmarshaller.java:1391) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:272) at org.jboss.marshalling.river.RiverUnmarshaller.doReadObject(RiverUnmarshaller.java:205) at org.jboss.marshalling.AbstractObjectInput.readObject(AbstractObjectInput.java:41) at org.jenkinsci.plugins.workflow.support.pickles.serialization.RiverReader$SandboxedUnmarshaller.lambda$readObject$0(RiverReader.java:250) at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.GroovySandbox.runInSandbox(GroovySandbox.java:108) at org.jenkinsci.plugins.workflow.support.pickles.serialization.RiverReader$SandboxedUnmarshaller.sandbox(RiverReader.java:237) at org.jenkinsci.plugins.workflow.support.pickles.serialization.RiverReader$SandboxedUnmarshaller.readObject(RiverReader.java:250) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:627) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$2.onSuccess(CpsFlowExecution.java:620) at org.jenkinsci.plugins.workflow.support.concurrent.Futures$1.run(Futures.java:150) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105) at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105) at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170) at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.setOneValue(ListFuture.java:158) at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture.access$000(ListFuture.java:40) at org.jenkinsci.plugins.workflow.support.concurrent.ListFuture$2.run(ListFuture.java:107) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.access$000(ChainingListenableFuture.java:33) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture$1.run(ChainingListenableFuture.java:196) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105) at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:155) at org.jenkinsci.plugins.workflow.support.concurrent.ChainingListenableFuture.run(ChainingListenableFuture.java:189) at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:253) at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149) at com.google.common.util.concurrent.ExecutionList.execute(ExecutionList.java:134) at com.google.common.util.concurrent.AbstractFuture.set(AbstractFuture.java:170) at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly.access$500(TryRepeatedly.java:48) at org.jenkinsci.plugins.workflow.support.pickles.TryRepeatedly$1.run(TryRepeatedly.java:112) at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)Caused: hudson.remoting.ProxyException: java.io.IOException: Failed to load build state at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:699) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$3.onSuccess(CpsFlowExecution.java:697) at org.jenkinsci.plugins.workflow.cps.CpsFlowExecution$4$1.run(CpsFlowExecution.java:746) at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$1.run(CpsVmExecutorService.java:35) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)