NullPointerException 未打印具体的代码行，请问下什么情况下不会打印具体的代码行？

Question

Caused by: java.lang.NullPointerException
at com.xx.xx.moudles.softCenter.ws.impl.PublicSoftServiceImpl.getMaxVersionForMobileApp(PublicSoftServiceImpl.java)
at sun.reflect.GeneratedMethodAccessor416.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.cxf.service.invoker.AbstractInvoker.performInvocation(AbstractInvoker.java:173)
at org.apache.cxf.service.invoker.AbstractInvoker.invoke(AbstractInvoker.java:89)
... 63 more

Answer 1

跟踪debug PublicSoftServiceImpl ，跟踪方法呗。