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r302 Launching for OS X #81

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GoogleCodeExporter opened this Issue May 19, 2015 · 2 comments

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GoogleCodeExporter commented May 19, 2015

What steps will reproduce the problem?
1. Have Apple OS X Mountain Lion 10.8.5 with supplement update
2. Open the .jar file by double clicking or right click - Jar Launcher
3. Open the .jar file by following steps from Issue 78 in terminal.

What is the expected output? What do you see instead?
A conf file to be generated and the application GUI to display, but instead an 
error report stating the jar file could not be launched.

What version of the product are you using? On what operating system?
jMc2Obj-dev_r302.jar on OS X 10.8.5 w/supplemental update

Please describe your error as detailed as possible.
Error Pop-up (Double Click): The Java JAR file "jMc2Obj-dev_r302.jar" could not 
be launched. Check the Console for possible error messages.

Error in Terminal: new-host-6:Desktop Michael$ java -jar jMc2Obj-dev_r302.jar
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/jmc/Main 
: Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:637)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

Please provide any additional information below.
Checked Console and found no errors, checked terminal and received the above 
list. Also, r301.jar was working 100% beforehand (no resizing for GUI to 
update, etc), with the exception of missing some blocks in MC 1.7.x. Initial 
test was done through the built-in GUI updater, and then direct download from 
the site.

I've also read on you GUI Redesign Reddit thread that there have been problems 
with the GUI engine on OS X. I'm not sure if this is one of those issues. I 
hope this helps! I also apologize for all the issues I've given you guys.

Original issue reported on code.google.com by rochefor...@gmail.com on 7 Jan 2014 at 11:43

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GoogleCodeExporter May 19, 2015

We recommend using java 1.7 to solve the error from the screenshot 
(UnsupportedClassVersionError).



If you prefer, you should still be able to use the old version and simply not 
update it: http://jmc2obj.net/jMc2Obj-dev_r301.jar

I doubt that the version has something to do with the issue. I also have 
similar problem on my Linux machine and I know they come and go at random 
times. I'm looking at using a completely different GUI library to help solve 
these issues...

Original comment by danijel....@gmail.com on 18 Jan 2014 at 8:53

  • Changed state: Accepted

GoogleCodeExporter commented May 19, 2015

We recommend using java 1.7 to solve the error from the screenshot 
(UnsupportedClassVersionError).



If you prefer, you should still be able to use the old version and simply not 
update it: http://jmc2obj.net/jMc2Obj-dev_r301.jar

I doubt that the version has something to do with the issue. I also have 
similar problem on my Linux machine and I know they come and go at random 
times. I'm looking at using a completely different GUI library to help solve 
these issues...

Original comment by danijel....@gmail.com on 18 Jan 2014 at 8:53

  • Changed state: Accepted
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GoogleCodeExporter May 19, 2015

Thank you so much! I'll do some research on 1.7, see if it's worth it. I 
appreciate the download, it works perfectly, and good luck on future of jMC!

Original comment by rochefor...@gmail.com on 18 Jan 2014 at 7:37

GoogleCodeExporter commented May 19, 2015

Thank you so much! I'll do some research on 1.7, see if it's worth it. I 
appreciate the download, it works perfectly, and good luck on future of jMC!

Original comment by rochefor...@gmail.com on 18 Jan 2014 at 7:37

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