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[1.8] [Solved] Problems with GradleStart

PlasmaBlazer

By PlasmaBlazer
in Modder Support

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PlasmaBlazer Tree Puncher

PlasmaBlazer

Posted
Posted

Recently I have had a problem with my Dev environment as IntelliJ cannot find the GradleStart class, therefore it won't run the mod. I'm not sure what has happened as it occurred randomly and I have never had this problem before. When I try to run the minecraft client I get this message.

Exception in thread "main" java.lang.ClassFormatError: Incompatible magic value 3098645073 in class file GradleStart

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:800)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

at java.lang.ClassLoader.loadClass(ClassLoader.java:425)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:190)

at com.intellij.rt.execution.application.AppMain.main(AppMain.java:116)

 

If you wish to see the project here is the GitHub: https://github.com/PlasmaBlazer/ElectronicEngineering/tree/dev

 

 

Any help would be appreciated. Thanks,

-Plasma

 

Solution:

Seems like your gradle cache got seriously corrupted. Delete the entire .gradle folder in your user home (not in your forge folder!). Then run gradlew setupDecompWorkspace eclipse again (you will have to do this in any workspaces you have, as deleting the gradle cache destroys the workspaces).

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SanAndreaP World Shaper

SanAndreaP

Posted
Posted

Try running

gradlew cleanCache

then

gradlew setupDecompWorkspace --refresh-dependencies

 

and see if that fixes the problem.

Don't ask for support per PM! They'll get ignored! | If a post helped you, click the "Thank You" button at the top right corner of said post! |

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This thread makes me sad because people just post copy-paste-ready code when it's obvious that the OP has little to no programming experience. This is not how learning works.

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PlasmaBlazer Tree Puncher

PlasmaBlazer

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Try running

gradlew cleanCache

then

gradlew setupDecompWorkspace --refresh-dependencies

 

and see if that fixes the problem.

 

The "gradlew setupDecompWorkspace --refresh-dependencies" didn't work, it gave this error message:

 

FAILURE: Build failed with an exception.

           

* What went wrong:

Execution failed for task ':extractMcpData'.

> java.util.zip.ZipException: error in opening zip file

           

* Try:     

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

           

BUILD FAILED

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