SPRINGBOOT-23-ASPECTJ log records and threadlocal memory leaks

For processing and responding to request parameters, it can be tedious to manifest the log in code, and a common solution is to use the spring cut-off scheme.

Here is the cut of Springboot: http://www.cnblogs.com/wenbronk/p/6848984.html

At the beginning of the ASPECTJ cut-off solution:

Package Com.iwhere.easy.travel.aspect;import Java.sql.date;import java.text.simpledateformat;import Java.util.enumeration;import Java.util.uuid;import Javax.servlet.http.httpservletrequest;import Org.aspectj.lang.joinpoint;import Org.aspectj.lang.annotation.afterreturning;import Org.aspectj.lang.annotation.afterthrowing;import Org.aspectj.lang.annotation.aspect;import Org.aspectj.lang.annotation.before;import Org.aspectj.lang.annotation.pointcut;import Org.slf4j.Logger;import Org.slf4j.loggerfactory;import Org.springframework.stereotype.component;import Org.springframework.web.context.request.requestcontextholder;import Org.springframework.web.context.request.servletrequestattributes;import com.alibaba.fastjson.jsonobject;@ Aspect@component Public classControlleraspect {protectedFinal Logger Logger = Loggerfactory.getlogger ( This. GetClass ()); PrivateString name ="Easy-travel-server"; @Pointcut ("Execution (Public * com.wenbronk.controller.*.* (..))")     Public voidControllerlog () {} @Pointcut ("Execution (Public * com.wenbronk.service.*.* (..))")     Public voidServicelog () {}PrivateThreadlocal<long> StartTime =NewThreadlocal<>(); PrivateThreadlocal<string> RequestID =NewThreadlocal<>(); PrivateThreadlocal<string> InterfaceName =NewThreadlocal<>(); Privatethreadlocal<string> param =NewThreadlocal<>(); PrivateSimpleDateFormat DataFormat =NewSimpleDateFormat ("yyyy-mm-dd ' T ' HH:mm:ss. SSS"); @Before ("Controllerlog ()")     Public voidDobefore (Joinpoint joinpoint) throws Throwable {//receive request, log request contentServletrequestattributes attributes =(servletrequestattributes) requestcontextholder.getrequestattributes (); HttpServletRequest Request=attributes.getrequest (); //Set Request Start timeStartTime.Set(System.currenttimemillis ()); Date sttimedate=NewDate (StartTime.Get()); String Datestr=Dataformat.format (sttimedate); //set the request identityString Requestidstr =Uuid.randomuuid (). toString (); RequestID.Set(REQUESTIDSTR); //Extract all Parameters ParamjsonEnumeration<string> Paramnames =Request.getparameternames (); Jsonobject Paramjson=NewJsonobject ();  while(Paramnames.hasmoreelements ()) {String paramname=paramnames.nextelement ();        Paramjson.put (ParamName, Request.getparameter (paramname)); }                //Extract Interface ID (intercepted in URL)String Requesturl =Request.getrequesturl (). toString (); intStart = Requesturl.lastindexof ("/")+1; String Interfacenamestr=NULL; if(Requesturl.contains ("?") ) {Interfacenamestr= Requesturl.substring (Start, Requesturl.indexof ("?")); } Else{interfacenamestr=requesturl.substring (start); } param.Set(Paramjson.tojsonstring ()); InterfaceName.Set(INTERFACENAMESTR); //Place the unique identity of the requst in the request, which can be worn in other parts .Request.setattribute ("RequestID", RequestID.Get()); } @AfterReturning (Returning="rvt", pointcut="Controllerlog ()")     Public voiddoafterreturning (Joinpoint joinpoint,object rvt) throws Throwable {//receive request, log request contentServletrequestattributes attributes =(servletrequestattributes) requestcontextholder.getrequestattributes (); HttpServletRequest Request=attributes.getrequest (); Logger.info ("finished"+" "+ name +" "+ InterfaceName.Get() +" "+ RequestID.Get() +" "+ Request.getrequesturl (). toString () +" "+ param.Get()                 + (System.currenttimemillis ()-StartTime.Get())                 +" "+rvt.tostring ()); } @AfterThrowing (Throwing="ex", pointcut="Controllerlog ()")     Public voiddoafterthrowing (Joinpoint joinpoint, Throwable ex) throws Throwable {//receive request, log request contentServletrequestattributes attributes =(servletrequestattributes) requestcontextholder.getrequestattributes (); HttpServletRequest Request=attributes.getrequest (); //where it happened         intLineNum =0; String ClassName=NULL; String MethodName=NULL; Stacktraceelement[] St=Ex.getstacktrace ();  for(stacktraceelement stacktraceelement:st) {linenum=Stacktraceelement.getlinenumber (); ClassName=Stacktraceelement.getclassname (); MethodName=Stacktraceelement.getmethodname (); System. out. println ("[Class:"+ ClassName +"] Call"+ MethodName +"when the first"+LineNum+"An exception occurred at the line code! Exception Type:"+Ex.getclass (). GetName ());  Break; } String exceptionmessage="[Class:"+ ClassName +"] Call"+ MethodName +"when the first"+ LineNum +"An exception occurred at the line code! Exception Type:"+Ex.getclass (). GetName (); Logger.info ("Exception"+" "+ name +" "+ InterfaceName.Get() +" "+ RequestID.Get() +" "+ Request.getrequesturl (). toString () +" "+ param.Get()                 +" "+exceptionmessage); }}

There is a before and after in this, and then there is an exception handling method

Occasionally see this blog

http://blog.csdn.net/lhqj1992/article/details/52451136https://my.oschina.net/ xpbug/blog/113444https://segmentfault.com/a/1190000000537475

Since this project employs a thread pool, it is possible that memory has been rising and has reached a stable state after the thread pool max, and there has been a memory leak we think of

Then change to this method:

Package Com.iwhere.scrapy.aspect;import Javax.servlet.http.httpservletrequest;import Org.aspectj.lang.proceedingjoinpoint;import Org.aspectj.lang.annotation.around;import Org.aspectj.lang.annotation.aspect;import Org.aspectj.lang.annotation.pointcut;import Org.slf4j.Logger;import Org.slf4j.loggerfactory;import Org.springframework.context.annotation.configuration;import Org.springframework.web.context.request.requestattributes;import Org.springframework.web.context.request.requestcontextholder;import Org.springframework.web.context.request.servletrequestattributes;import Com.alibaba.fastjson.JSON;/** * Log Slice class * @author Wenbronk * @Date morning 9:21:59*/@Aspect//Define a slice@Configuration Public classLogaspect {Private StaticFinal Logger Logger = Loggerfactory.getlogger (logaspect.class);//private static final SimpleDateFormat DataFormat = new SimpleDateFormat ("Yyyy-mm-dd ' T ' HH:mm:ss.        SSS "); //Defining tangency Pointcut@Pointcut ("Execution (* com.iwhere.scrapy.controller.*controller.* (..))")     Public voidExcudeservice () {} @Around ("Excudeservice ()")     PublicObject doaround (Proceedingjoinpoint pjp) throws Throwable {Long startTime=System.currenttimemillis (); Requestattributes RA=requestcontextholder.getrequestattributes (); Servletrequestattributes SRA=(servletrequestattributes) RA; HttpServletRequest Request=sra.getrequest (); String URL=Request.getrequesturl (). toString (); String Method=Request.getmethod (); String URI=Request.getrequesturi (); String queryString=request.getquerystring (); Logger.info ("request Start, url: {}, method: {}, Uri: {}, params: {}", url, method, Uri, queryString); //the value of result is the return value of the intercepted methodObject result =pjp.proceed (); Logger.info ("end of request, URL: {}, Response: {}, Time: {}s", URL, json.tojsonstring (Result), (System.currenttimemillis ()-startTime)/ +); returnresult; }    }

You will then need to include a global exception-handling framework:

Http://www.cnblogs.com/wenbronk/p/6850785.html

Specific effects await further testing

SPRINGBOOT-23-ASPECTJ log records and threadlocal memory leaks