You're right, thanks so much for the response! That helped me resolve the 
issue. 🙌
On Friday, 11 July 2025 at 21:05:55 UTC+5:30 Colin Alworth wrote:

> Having seen your StackOverflow post 
> <https://stackoverflow.com/q/79695811/860630> with added detail, I 
> thought I'd answer here too, as it might help anyone else who runs into 
> this.
>
> In Super Dev Mode, the Java `assert` keyword compiles roughly to
> if (!<condition>) {
>     debugger;
>     throw AssertionError(<message>);
> }
>
> This way, if you have a debugger running, you can catch it as it fails 
> this check and see what happened to cause that failure. If not, you'll just 
> get the AssertionError thrown and have to handle it.
>
> Assertions are disabled by default in production, but can be enabled if 
> desired.
>
> They are always enabled in SDM at this time.
>
> On Wednesday, July 9, 2025 at 6:56:22 PM UTC-5 [email protected] 
> wrote:
>
>> In the Chrome Debugger, does it tell you where it's stopped in the 
>> sources tab?
>>
>> Someone might have added GWT.debugger(); to the code.
>>
>> I actually can't remember what the point of the code servers "Dev Mode On 
>> / Off" is.  I never use it.  The code server just does its thing 
>> automatically for me.
>>
>> On Wednesday, 9 July 2025 at 6:34:51 pm UTC+10 divyanshu kumar wrote:
>>
>>> I’m running GWT Super Dev Mode via ant devmode (with my main server 
>>> already up in another terminal). The code server launches fine, and I click 
>>> my “Dev Mode On” bookmarklet in Chrome. Compilation proceeds without 
>>> errors, but then DevTools immediately pops up saying “paused on 
>>> breakpoint.” I didn’t set any breakpoints.
>>>
>>> Steps I've already taken:
>>>
>>>    - 
>>>    
>>>    Disabled all breakpoints in Chrome DevTools (Sources ➤ 🔴 Deactivate 
>>>    Breakpoints).
>>>    - 
>>>    
>>>    Cleared any marker breakpoints in my code editor.
>>>    - 
>>>    
>>>    Toggled Dev Mode off and back on again—but now I just see a blank 
>>>    screen.
>>>    
>>> Logs from the terminal during this process:
>>> [java] GET /sourcemaps/ode/D4A92ECC870BD56410DE88EB04617475_sourcemap.
>>> json
>>> [java] sent source map for module 'ode' in 169 ms
>>> [java] GET /recompile/ode
>>> [java] Job com.google.appinventor.YaClient-dev_1_2
>>> [java] starting job: com.google.appinventor.YaClient-dev_1_2
>>> [java] binding: locale=en
>>> [java] binding: user.agent=safari
>>> [java] skipped compile because no input files have changed
>>> [java] 0.108s total -- Compile completed
>>> [java] GET /sourcemaps/ode
>>> [java] [WARN] ignored get request: /sourcemaps/ode
>>> [java] [WARN] not handled: /sourcemaps/ode
>>>
>>> Any guidance or troubleshooting steps would be hugely appreciated! 
>>> Thanks in advance 🙏
>>>
>>

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