打包为jar之后,当出现异常log4j日志输出堆栈时,找不到对应的源码的行数,只是出现Unknown Source

原因可能是用ant打包,没有设置javac中的参数 debug="true"

输出的日志类似:

java.lang.NullPointerException
        at com.dyr.cloud.connection.impl.ActionDelegateImpl.getAllGPUGrou
pAllocationAlgorithm(Unknown Source)
        at com.dyr.cloud.client.resources.HostManager.getAllGPUGroupAlloc
ationAlgorithm(HostManager.java:474)

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转载自herry.iteye.com/blog/2063333