[WooreeINFO] Exception for 'Simple Background Application Code' with <NXP LPCXpresso54608/simulator>

MicroEJ Studio
1

Dear MicroEJ,

When i tried the example of ‘Simple Background Application Code’ in your document of <Application Developer’s Guide’ with the simulator of , i got an exception as:

=============== [ Initialization Stage ] ===============
=============== [ Converting fonts ] ===============
=============== [ Converting images ] ===============
=============== [ Launching on Simulator ] ===============
com.microej.wadapps.management.util.activitiesschedulerlowmemory SEVERE: Error showing activity.
Exception in thread “main” java.lang.OutOfMemoryError: MicroUI: Not enough room to allocate the Image’s native data.

  • at java.lang.Throwable.fillInStackTrace(Throwable.java:79)*
  • at java.lang.Throwable.(Throwable.java:30)*
  • at java.lang.Error.(Error.java:10)*
  • at java.lang.VirtualMachineError.(VirtualMachineError.java:10)*
  • at java.lang.OutOfMemoryError.(OutOfMemoryError.java:20)*
  • at ej.microui.display.ImageOutOfMemoryVisitor.callRun(ImageOutOfMemoryVisitor.java:35)*
  • at ej.microui.display.ImageOutOfMemoryVisitor.callRun(ImageOutOfMemoryVisitor.java:16)*
  • at ej.microui.display.ImageCreatorVisitor.callRun(ImageCreatorVisitor.java:51)*
  • at ej.microui.display.Image.loadImage(Image.java:655)*
  • at ej.microui.display.Image.createImage(Image.java:151)*
  • at ej.microui.display.Image.createImage(Image.java:89)*
  • at ej.style.image.DefaultImageLoader.getImage(DefaultImageLoader.java:25)*
  • at ej.style.util.StyleHelper.getImage(StyleHelper.java:117)*
  • at ej.widget.basic.Image.(Image.java:54)*
  • at com.microej.app.desktopweather.page.WeatherPage.(WeatherPage.java:78)*
  • at com.microej.app.desktopweather.page.WeatherPage.(WeatherPage.java:53)*
  • at com.microej.app.desktopweather.widget.WeatherNavigator.(WeatherNavigator.java:61)*
  • at com.microej.app.desktopweather.page.MainPage.createMainContent(MainPage.java:87)*
  • at com.microej.app.desktopweather.page.MainPage.(MainPage.java:61)*
  • at com.microej.app.desktopweather.Main.main(Main.java:72)*
  • at com.microej.app.desktopweather.DesktopWeatherActivity.onStart(DesktopWeatherActivity.java:46)*
  • at com.microej.wadapps.management.util.ActivitiesSchedulerLowMemory.show(ActivitiesSchedulerLowMemory.java:146)*
  • at com.microej.wadapps.management.util.ActivitiesSchedulerLowMemory.setLauncher(ActivitiesSchedulerLowMemory.java:71)*
  • at com.microej.wadapps.management.util.LaunchersManager.startCurrentLauncher(LaunchersManager.java:120)*
  • at com.microej.wadapps.management.util.LaunchersManager.startFirstLauncher(LaunchersManager.java:99)*
  • at com.microej.wadapps.management.util.LaunchersManager.internalStart(LaunchersManager.java:90)*
  • at com.microej.wadapps.management.util.LaunchersManager.start(LaunchersManager.java:70)*
  • at ej.wadapps.management.activators.DefaultManagementActivator.start(DefaultManagementActivator.java:83)*
  • at ej.components.registry.impl.AbstractRegistry.start(AbstractRegistry.java:83)*
  • at ej.components.registry.util.BundleRegistryHelper.startup(BundleRegistryHelper.java:52)*
  • at MySandboxedApp.generated.MySandboxedAppEntryPoint.start(MySandboxedAppEntryPoint.java:15)*
  • at MySandboxedApp.generated.BackgroundServicesStandalone.main(BackgroundServicesStandalone.java:13)*
  • at java.lang.MainThread.run(Thread.java:836)*
  • at java.lang.Thread.runWrapper(Thread.java:372)*
    MyBackgroundCode: Hello Yang-Hae!

However you know i don’t get this exception with the simulation of , the output of which was simply as:

=============== [ Initialization Stage ] ===============
=============== [ Converting fonts ] ===============
=============== [ Converting images ] ===============
=============== [ Launching on Simulator ] ===============
MyBackgroundCode: Hello Yang-Hae!

Could you please advise me what would have affected this difference with the same application?

Thanks & Regards
YH Kwon

2

Hi @kwonyh,

Could you provide what platform you are using? (type, version, …) and also which version of the studio you are using.

I do not understand the second part of your description:

However you know i don’t get this exception with the simulation of , the output of which was simply

Did you mean the simulation of your application?

Best Regards,
Gaëtan

3

Dear Gaetan Harel,

i’d like to appreciate for your feedback first of all, and please find my comments back below as:

>Could you provide what platform you are using? (type, version, …) and also which version of the studio you are using.
>

[YH@04/16/2019] The two platform files under my tests are,

a) VDE-BLUE-OM13092-PQ9Y4-1.6.1.jpf
b) VDE-YELLOW-STM32F746GDISCO-8SG7V-1.11.4.jpf

i see only an exception with a) when i tried to run an example application as in your user guide.

>I do not understand the second part of your description:
>
> However you know i don’t get this exception with the simulation of , the output of which was simply
>
>Did you mean the simulation of your application?
>

[YH@04/16/2019] Sorry for your confusion with the statement above, where the board name is missing unfortunately by my mistake. My intention was as:

However you know i don’t get this exception with the simulation of “STMicroelectronics STM32F746G-DISCO”, the output of which was simply as…

So the simulation, in my term, was the virtual platform file for developing/running the java applications without the target hardware.

Hopefully it should be clear now, otherwise please advise me further.

Thanks & Regards
YH Kwon

4

i forgot to mention the version of MicroEJ Studio, under my tests, is v4.1.5. - by YH Kwon

5

Ok let me try to reproduce this issue (at first I was not able to). I’ll look further into it.