As shown, is a tomcat project, dare to guarantee absolute is a debugger mode, the debugger the status bar is grey but the picture, the code also set the breakpoint, and it is a red solid, that is to say, the editor that breakpoint is effective,
So, at the time of debugging, the breakpoint is still no effective,
And there is a problem of system. The out. Println (), printing is also no output,

Seek help from a great god!

CodePudding user response:

Online, etc.,,,,,,,,

CodePudding user response:

You did not use the IDEA of

CodePudding user response:

I use the idea of is 2019, also cannot use the debugger to debug mode, start tomcat no error

CodePudding user response:

You put the breakpoint is blocked?

CodePudding user response:

Restart, kill the running Java program, again not configuration file delete restart the idea

CodePudding user response:

Project to address is not local, system. Out. The println () can not print clearly, look at the url address bar is the address of the local

CodePudding user response:

reference 5 floor Liu Xianqin reply:

I use idea is 2019, also cannot use the debugger to debug mode, didn't start tomcat error

to solve, I also is the 2019 version? Also use the debugger to debug

CodePudding user response:

Is settled, I before that in tomcat catalina. Bat file configured in the beginning
Set JAVA_OPTS=- Xms4096m - Xmx4096m - XX: XX: MetaspaceSize=512 m - MaxMetaspaceSize=512 m - Xss2m
The set CATALINA_OPTS=- Djava. Awt. Headless=true
Can't afford to have been use the debugger, then deleted