CODEWITHSUNDEEP
actionscript-3flex4flash-builder
Neha Raje
Neha Raje

Reputation: 151

Flash Builder debugger error : Flash builder failed to connect to running application

I am trying a simple code for event handling. I applied break point on a line of action script code of event. I want to see the debug window to check which event is generated. It does not show me any error but whenever i click the debug button i get the following problem

The Flash Builder debugger failed to connect to the running application. Ensure that:

  1. For in-browser applications, you are running the debugger version of Flash Player.
  2. For network debugging on a mobile device, you have a reliable network connection to the device, and port 7935 is open on your machine's firewall.

My project runs correctly in browser showing the desired output but it shows me launching failed dialog with above error. Please help

Upvotes: 2

Views: 6915

Answers (5)

Sayali
Sayali

Reputation: 1

When I faced this issue what I had to do is re-install the adobe flash debugger version for firefox and Flash could successfully run in debug mode

Reason for the error : The firefox updates the flash builder version which for some reason doesn't work with the Adobe Flash Builder 4.6

You can follow below steps and get the flash application run in the debugger mode :

1) Go to https://www.adobe.com/support/flashplayer/debug_downloads.html

2) Download : [Download the Flash Player content debugger for Firefox - NPAPI][1]

3) Install the downloaded executable and install it over whatever version of Adobe Flash builder that you have .

4) Restart the Flash Builder and run the application in debugger mode and check if it works.

Upvotes: 0

Florian F
Florian F

Reputation: 1377

I had exactly that symptom. Blank browser window, a freeze at 57% for 2 minutes and the same error message.

The problem was an error in my javascript. As usual, it just silently aborts whatever it is doing. As a result, the SWF was never started and the debugger failed to connect to the running program.

So, if the browser window remains blank it is probably a javascript error. Display the javascript console to see what is going on.

Upvotes: 0

Victor Zhan
Victor Zhan

Reputation: 11

Try to shutdown "adl.exe" in taskmanager, It seens the old adl.exe occupied port 7935 that flashplayer can't creat new one.

That's how I solved it.

Upvotes: 1

Tom Cat
Tom Cat

Reputation: 51

One other thing you can try which worked for me when the above didn't - in Flex Compiler in Properties for the project, untick Generate HTML wrapper file, apply that, then tick it again and apply again. Seems to clean/reset the project in some way, which 'clean project' doesn't.

Upvotes: 5

Tush
Tush

Reputation: 11

It happens many a time, but you can solve it in 4 ways 1) Clean the project and try. 2) Close flex builder and reopen it. try it, If that doesn't work than go for 3 option 3) Change your workspace and import that project in it or best is create new one and make the changes in it, Sometimes the workspace get corrupted and so it happens... 4) If above 3 option that doesn't work than reinstall your Flex builder, make sure that you uninstall flex builder properly.

Upvotes: 0

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