error after uploading MIT AI2 project which uses sensor components into basic Ai2LiveComplete

[Taifun]

I'm using Windows 7, Firefox Nightly and Java 7u40

I installed the basic version provided here https://groups.google.com/d/msg/apptomarket/L5wwVwpCNcY/ErrG-e_hMlwJ

AI2LiveComplete starts fine and I'm able to start new projects

however importing projects using sensor components from MIT AI2 results in an error 

The blocks area did not load properly. Changes to the blocks for screen 6192449487634432_Screen1 will not be saved.

example project using orientation sensor http://puravidaapps.com/snippets.php#2compass

example project using accelerometer sensor http://puravidaapps.com/snippets.php#2accelerometer

other projects load fine

Taifun

[M. Hossein Amerkashi]

Thanks for reporting this..

I'll check into it.

-Hossein.

[M. Hossein Amerkashi]

I have multiple version of java with default JAVA_HOME set to jdk1.6.0_45

Ran WinStartAIServer.cmd and got console error on UnsupportedClassVersionError

Then updated WinStartAIServer.cmd and udpated like below

Stopped the server and started with the updated jdk path. Worked with no problem and was able to import your compass.

@echo off

@echo "Your Java path: " %JAVA_HOME%

echo "Starting AiLiveComplete App Inventor..."

"C:\Program Files\Java\jdk1.7.0_40\BIN\java" -cp "%~dp0\AppEngine\lib\appengine-tools-api.jar" ^

     com.google.appengine.tools.KickStart ^

        com.google.appengine.tools.development.DevAppServerMain %*  --port=8888 --address=0.0.0.0 AIServer

[Taifun]

I'm a little bit confused now

Are you saying, I have to run Java 7u45 instead of 7u40?

Or are you saying you do not get errors with 7u40?

Taifun

[M. Hossein Amerkashi]

I was saying that I don't get errors when using java 7u40. 

Sometimes problem could occur if you have multiple java versions.

Can you update your WinStartBuildServer.cmd like below (update path below) and give it a try?

Also, please see if you get any type of errors in the log (DOS window).

WinStartBuildServer.cmd

@echo off

@echo "Your Java path: " %JAVA_HOME%

echo "Starting AiLiveComplete App Inventor..."

"C:\Program Files\Java\jdk1.7.0_40\BIN\java" -cp "%~dp0\AppEngine\lib\appengine-tools-api.jar" ^

     com.google.appengine.tools.KickStart ^

        com.google.appengine.tools.development.DevAppServerMain %*  --port=8888 --address=0.0.0.0 AIServer

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[Taifun]

ok, I understand, btw. up do now I only had 7u40 installed...

I have seen now, that the compass project works fine on Chrome, only on Firefox Nightly I get the error... let's forget this, it's a browser issue...

Taifun