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Grade book won't launch with latest Version of Java - on Macs only
On a Mac, if you install the latest update of Java, Grade book will not launch.  The problem is with Java 7-Update 9 that was released on 10/16.  This is affecting only Macs. When the Grade book is launched we are experiencing a small Java 7 window being displayed and it just hangs there. 

I called tech support this morning. They became aware of this issue yesterday and at this time they said there is no work around and they are gathering information and the case has been escalated. Of course they said the problem wasn't with PowerSchool, but with Java.

I Googled and found a workaround. If you uninstall Java 7 and reinstall 6, the Grade book will launch. Here are the instructions on how to do it:

You will have to have admin rights on the machine and know the admin's password to run the terminal commands.

If you have teachers using Macs, I would tell them to not do any Java updates till they hear back from you letting them know the problem has been fixed.

If you have questions, feel free to contact me.

Wayne Wiens
ESU 10
402.806.0455 cell
308.698.1996 work
Tags: Java
2 Responses to "Grade book won't launch with latest Version of Java - on Macs only"

Not only is Oracle's Java 7 causing problems (on OS 10.7 and higher), Apple's recently released Java 1.6.0_37 is causing the Grade book not to launch too. Pearson released a Tech Note at 11:46 today indicating this problem is under review.

Here is a TEMPORARY workaround on Macs that have been updated to 1.6.0_37, where the PS version is 7.2.3.

1) Find the launchGradeBook.jnlp on the computer (this is the file that is downloaded when you launch the Grade book from PowerTeacher, it is usually in the Downloaded folder). 

2)Right-Click/Control-Click on this file and choose "Open with" and select a text editor such as TextEdit. If you don't see TextEdit, choose Other and then choose All Applications in the Enable pop down and open TextEdit.  Do NOT choose the "Always Open With" check box.
3) Find this line (it is line 17) <j2se version="1.5+" initial-heap-size="128m" max-heap-size="256m" java-vm-args="-XX:MaxPermSize=128m" /> 

4) Remove this text from the line=>        java-vm-args="-XX:MaxPermSize=128m 
The new line looks like this <j2se version="1.5+" initial-heap-size="128m" max-heap-size="256m" />

5) Save the file

6) Run (double click) the new file.

Move this modified launchGradeBook.jnlp file to the desktop and use it to launch the Grade book instead of launching it from PowerTeacher. I would only launch the Grade book this way until a fix is found. Running the Grade Book from a previously downloaded .jnlp file is not recommended.

Wayne Wiens
ESU 10
402.806.0455 cell
308.698.1996 work

I find that when I try adjusting total possible scores for assignments, GB freezes up (on Mac only). Running Java 7. Any tips? Besides working exclusively on Windows?
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