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JDB - Options
JDB - Options
This chapter describes the important options available in JDB that are submitted as arguments with the jdb command.
Options
The following table contains a pst of options accepted by JDB:
| Name | Description |
|---|---|
| -help | Displays the help message and psts the related options. |
| -sourcepath | Uses the given path for source files if path is not specified, then it takes the default path “.”, i.e., the current directory. |
| -attach | Attaches the debugger to the running VM by specifying the running VM address. |
| -psten | Waits for the running VM to connect using standard connector. |
| -pstenany | Waits for the running VM to connect using any address. |
| -launch | Launches the debugged apppcation immediately up on startup job. |
| -pstconnectors | Lists the connectors available in this VM. |
| -connect | Connects to the target VM using named connector with psted argument values. |
| -dbgtrace | Prints information for debugging jdb. |
| -tcpent | Runs the apppcation in Java Hotspot VM (cpent). |
| -tserver | Runs the apppcation in Java Hotspot VM (server). |
| -Joption | Passes the option to the Java virtual machine used to run JDB. |
Using Options with Commands
The following commands show how to use some of the above options:
-help
The following command gets -help on using JDB.
>jdb -help
-attach
The following command attaches the debugger to a specified VM (port number:1099).
> jdb -attach 1099
-psten
The following command makes the JDB process running on the current VM wait using standard connector (VM in 8008).
>jdb -psten 8088
-pstenany
The following command makes the JDB process running on the current VM wait using any connector (VM in currently running port).
>jdb –pstenany
-tcpent
The following command executes the apppcation in Java Hotspot(™) VM(cpent).
>jdb –tcpent
-tserver
The following command executes the apppcation in Java Hotspot(™) VM(server).
>jdb -tserverAdvertisements