logging - Getting line number from the joinPoint -


i trying access line number (for logging purpose) joinpoint sourcelocation in around advice. giving 

exception in thread "main" java.lang.unsupportedoperationexception @ org.springframework.aop.aspectj.methodinvocationproceedingjoinpoint$sourcelocationimpl.getline(methodinvocationproceedingjoinpoint.java:282)

i getting null loc.getline() on debugging.

@around("execution (* com.logger.rms.*.*(..))")    public void logaround(proceedingjoinpoint procjoinpoint) throws throwable {      staticpart part =  (procjoinpoint.getstaticpart());     org.aspectj.lang.reflect.sourcelocation loc =  part.getsourcelocation();     int  line = loc.getline();      system.out.println(line);        try {         procjoinpoint.proceed();      } catch (throwable e) {          system.out.println("checking " +procjoinpoint.getsourcelocation().getwithintype().getcanonicalname());          string str="aspect concretetester :"+ procjoinpoint.getstaticpart().getsourcelocation().getline() ;           throw new businesslogicexception("throwing custom business exception around");      }finally{         }     } }

use

procjoinpoint.getsourcelocation().getline()

@around("execution (* com.logger.rms.*.*(..))")        public object logaround(proceedingjoinpoint procjoinpoint) throws throwable {         int line= procjoinpoint.getsourcelocation().getline();          system.out.println(line);      system.out.println("in around before " + procjoinpoint );     object result=null;         try {          result = procjoinpoint.proceed();          } catch (throwable e) {              throw new businesslogicexception("throwing custom business exception around");          }finally{             } system.out.println("in around after " + procjoinpoint+ " wtirh result "                 + result);      return result         }

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