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我有一个带有隔离类路径的作业模块。我已将 POJO 从隔离上下文添加到序列化的步骤执行上下文中。当这个上下文被反序列化时，由于默认的执行上下文反序列化器使用应用程序上下文类加载器而不是父第一个类加载器，因此无法加载该类，因此引发异常。解决方法是将带有 POJO 的 jar 添加到主类路径而不是隔离的类路径中。有没有办法将它们保存在隔离的类路径中并使用 ParentFirstClassloader？

堆栈跟踪

Caused by: com.thoughtworks.xstream.mapper.CannotResolveClassException: my.meta.JobMetadata
        at com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:79)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:55)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.PackageAliasingMapper.realClass(PackageAliasingMapper.java:88)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:79)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:74)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.SecurityMapper.realClass(SecurityMapper.java:71)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:30)
        at com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:47)
        at com.thoughtworks.xstream.core.util.HierarchicalStreams.readClassType(HierarchicalStreams.java:29)
        at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.readItem(AbstractCollectionConverter.java:70)
        at com.thoughtworks.xstream.converters.collections.MapConverter.putCurrentEntryIntoMap(MapConverter.java:110)
        at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap(MapConverter.java:98)
        at com.thoughtworks.xstream.converters.collections.MapConverter.populateMap(MapConverter.java:92)
        at com.thoughtworks.xstream.converters.collections.MapConverter.unmarshal(MapConverter.java:87)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:72)
        ... 60 more

and 

Caused by: org.springframework.batch.core.job.flow.FlowExecutionException: Ended flow=egress-transfer at state=myjob.step with exception
        at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:171)
        at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:141)
        at org.springframework.batch.core.job.flow.FlowStep.doExecute(FlowStep.java:90)
        ... 9 more
Caused by: com.thoughtworks.xstream.converters.ConversionException: my.meta.JobMetadata : my.meta.JobMetadata
---- Debugging information ----
message             : my.meta.JobMetadata
cause-exception     : com.thoughtworks.xstream.mapper.CannotResolveClassException
cause-message       : my.meta.JobMetadata
class               : java.util.HashMap
required-type       : java.util.HashMap
converter-type      : com.thoughtworks.xstream.converters.collections.MapConverter
path                : /map/entry[2]/my.meta.JobMetadata
line number         : -1
version             : 1.4.7
-------------------------------
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convert(TreeUnmarshaller.java:79)
        at com.thoughtworks.xstream.core.AbstractReferenceUnmarshaller.convert(AbstractReferenceUnmarshaller.java:65)
        at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:66)

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