Debugging while using the module system

[Mantas Gridinas]

Now that you mention it, this does occur while trying to use "Evaluate
expression" which spins up bytecode and evaluates it at run time. I
haven't contacted Jetbrains on this yet, but I'll open an issue on
their tracker as well.

Cheers.

(reposted on mailing list since)

On Tue, Jul 21, 2020 at 9:52 AM Alan Bateman <Alan.Bateman at oracle.com> wrote:
>
> On 20/07/2020 21:25, Mantas Gridinas wrote:
> > Hi!
> >
> > Recently I've moved my project to the module system from regular
> > classpath jars. Currently I'm using Adopt OpenJDK11 builds and for
> > debugging I provide the
> > -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=localhost:5005
> > command line argument while starting my application. As a debugging
> > client I use intellij idea's remote debugging functionality. Sometimes
> > (I am not sure myself what exactly causes this), while debugging my
> > project, I get into an issue where the debugger cannot access some
> > classes, their fields or methods. Since right now I cannot provide the
> > exact error message, I would like to ask: what are the limitations of
> > the debugger implementation, provided by the JDK, when used on a
> > runtime with a module system rather than a classpath based system?
> >
> Debuggers should work with modular applications. Under the covers, the
> JDWP agent that you specify with -agentlib uses the JVM Tool Interface
> and the Java Native Interface that aren't subject to access control.
> Maybe IDEA is spinning byte code or classes in the target VM? Have you
> tried submitting a bug to Jetbrains on this?
>
> -Alan