Where is the META-INF folder Minecraft?

jar is located in %appdata%\. minecraft\bin , and can be opened using many archive readers (such as 7zip, Jzip, WinRAR, etc.) as Schism mentioned. META-INF should be contained within this .

What is the META-INF folder?

The META-INF folder is the home for the MANIFEST. MF file. This file contains meta data about the contents of the JAR. For example, there is an entry called Main-Class that specifies the name of the Java class with the static main() for executable JAR files.

How do you get rid of Meta-INF in Minecraft?

You must open minecraft. jar in a program which can edit . zip files (such as 7-zip), then delete the META-INF folder as you would anything else. This should not require administrator privileges, as minecraft.

What is Minecraft Meta-INF?

The META-INF folder is a place to store package and extension configuration data, including security, versioning, extension and services. In Minecraft the security is the reason it must be deleted. The META-INF contains a file called “MAJONG_C. SF”.

Why do you have to delete META-INF?

When you do tamper with it by installing mods, the signature becomes invalid and Minecraft won’t start at all. By deleting the META-INF directory, you remove the signature completely. Depending on your security settings, you might get an “unknown publisher” warning, but you’ll be able to run it.

How do I create a meta-INF folder?

How Do I Create a Jar File?

  1. In Eclipse, highlight your Project name and select File -> New -> Folder.
  2. Create a New File inside of META-INF named MANIFEST.MF Copy the following into MANIFEST.MF (make sure the last line in the file is a blank line)

What happens if you dont delete Meta-INF?

What is meta-INF in eclipse?

xml file is searched in the classpath, under META-INF. So if you want the META-INF folder to be put at the top of the compiled package tree, you need to put it at the top of the source tree. Eclipse copies every non-Java file to its output directory (bin, by default), respecting the package/folder hierarchy.

What is Meta-INF spring boot?

The META-INF folder is the home for the MANIFEST. MF file. This file contains meta data about the contents of the JAR. BOOT-INF : Spring Boot application load form Boot-INF folder . Application classes should be placed in a nested BOOT-INF/classes directory.

How do I know if a jar is manifest?

The Java IDEs are obvious choices for easily seeing the contents of a manifest file. The following screen snapshot demonstrates viewing the manifest file. This was easily brought up in NetBeans by simply using File –> Open File and selecting jdiff. jar to have it displayed as shown in the next screen snapshot.

Is Meta-INF in the classpath?

No, not generally. If its needed you would have to use a META-INF/jboss-structure. xml to instruct the structure deployers to add it. You then have to specify the complete classpath though.

Why do you need to delete META-INF?

What does the META-INF file in Minecraft do?

META-INF contains a signature file (.SF) that accounts for all the files within the JAR and their checksums, and Mojang’s actual signature (.RSA).

What happens if you delete the META INF directory in Minecraft?

When that signature checks out, you know it wasn’t tampered with and comes from the source that signed it (in this case, Mojang). When you do tamper with it by installing mods, the signature becomes invalid and Minecraft won’t start at all. By deleting the META-INF directory, you remove the signature completely.

Where do I find the minecraft.jar file?

minecraft.jar is located in %appdata%\\.minecraft\\bin, and can be opened using many archive readers (such as 7zip, Jzip, WinRAR, etc.) as Schism mentioned. META-INF should be contained within this .jar. However, if META-INF is not in the .jar, you shouldn’t need to worry about it, as the addition of mods requires it to be removed anyways.