林伟峰
## 5.0.1空指针异常问题 ```java java.lang.NullPointerException: null at com.codingapi.txlcn.tc.core.checking.DefaultDTXExceptionHandler.handleNotifyGroupBusinessException(DefaultDTXExceptionHandler.java:97) at com.codingapi.txlcn.tc.core.template.TransactionControlTemplate.notifyGroup(TransactionControlTemplate.java:159) at com.codingapi.txlcn.tc.core.transaction.lcn.control.LcnStartingTransaction.postBusinessCode(LcnStartingTransaction.java:65) at com.codingapi.txlcn.tc.core.DTXServiceExecutor.transactionRunning(DTXServiceExecutor.java:109) at com.codingapi.txlcn.tc.aspect.weave.DTXLogicWeaver.runTransaction(DTXLogicWeaver.java:95) at com.codingapi.txlcn.tc.aspect.TransactionAspect.runWithLcnTransaction(TransactionAspect.java:93) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:629) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:618)...