如何在Jenkins工作流程构建期间修复NotSerializableException错误?

问题描述

当我在Jenkins工作流程(Jenkins 1.609.1，工作流程1.8)上运行以下代码时，出现"NotSerializableException"错误(同样在下面).但是，如果我将构建作业"移到用于"范围之外，则可以正常工作(该作业已激活).任何想法为什么这种行为?

When I run the following code on the Jenkins workflow (Jenkins 1.609.1 ,workflow 1.8) I get error of 'NotSerializableException' (also below).However, if I move the "build job" outside the "for" scope it works fine (the job is activated). Any ideas why this behavior?

node('master') {
ws('/opt/test) {
def file = "/ot.property"
def line = readFile (file)
def resultList = line.tokenize()
for(item in resultList )
  {
build job: 'testjob_1'
   }
 }
}

错误:

Running: End of Workflow
java.io.NotSerializableException: java.util.ArrayList$Itr
    at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(RiverMarshaller.java:860)
    at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(RiverMarshaller.java:1032)
    at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializableObject(RiverMarshaller.java:988)
    at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(RiverMarshaller.java:854)
    at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(RiverMarshaller.java:1032)


.....

推荐答案

我想这是因为它试图在到达build job步骤后立即序列化resultList上不可序列化的item迭代器.有关使用不可序列化变量的指南，请参见此处:

I thnk it is because it's trying to serialize the unserializable item iterator on resultList as soon as it hits the build job step. See here for guidance on use of nonserializable variables:

https://github.com/jenkinsci/workflow -plugin/blob/master/TUTORIAL.md#serialization-local-variables

作为使用工作流插件进行安全迭代的一种解决方法，您需要使用C风格的循环.尝试以下方法:

As a workaround to safely iterate using the workflow plugin, you need to us C-style loops. Try this instead:

for ( int i = 0; i < resultList.size; i++ ) {
  etc...

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