"Remote Debugging" Failed to connect to remote VM

1 Trust many people often encounter when a team is using remote debugging:

Failed to connect to remote VM Connection refuse

2. Cause: Other people in the same group monopolize this connection (while only one connection can perform remote debugging)

3. Solution: Click the 5th button in the figure below, "disconnect"

===== "Attached: Java Remote Debugging Configuration

1 Modifying the JBoss boot configuration

Opens the run.conf file in the Jboss_home/bin directory,

Found: #JAVA_OPTS = "$JAVA _opts-xdebug-xrunjdwp:transport=dt_socket,address=8787,server=y,suspend=y"

Modify it to: java_opts= "$JAVA _opts-xdebug-xrunjdwp:transport=dt_socket,address=8787,server=y,suspend=n" where: 8787 port number for debugging ；

2 start JBoss

./run.sh-b xxx.xxx.xxx.xxx where xxx.xxx.xxx.xxx is the IP of the machine where JBoss resides;

3 new Debug Configuration

In Eclipse, open the menu "Run"-〉 "Debug ..." in the dialog box that appears, select "Remote Java Application", right click, select "New" in the pop-up menu, "Host" in the dialog box that appears Enter the JBoss server's IP (xxx.xxx.xxx.xxx), enter the port number for debugging in "Port" (8787), select "Debug" to start debugging;

4 Commissioning
In the "Debug View" that appears, open the Java source file that needs to be debugged, set the corresponding breakpoint on it;