Ugdhar

Please show more of your code, a githup repo is preferred as it's easier to read, and can be cloned/build to help debugging. Mostly wondering where you are registering your event handler.

The latest Java 8.

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Ok, so what have you tried, besides just copying stuff? Looking at it, I don't see any mention of a sword anywhere, but lots of stuff about bow & arrow, so that looks like a good place to start. I haven't done this before, I just know how to code and look for stuff, so I can't tell you EXACTLY how to do it, you're going to have to use some skills yourself.

Please post logs from the client and server as described in the EAQ. Without them there is not enough information to know what is going on.

I believe the only way to mod Win10/Bedrock is through the use of resource packs and behavior packs. https://minecraft.gamepedia.com/Bedrock_Edition_add-on_documentation *keep in mind, from what I've seen of this setup, you cannot do nearly as much stuff as you can do with the java edition and forge. Also, no support on these forums for bedrock addons, you would likely have to go to the official minecraft forums.

You should always show what you tried. Best way to share code is to host your project on github as a buildable project, so others can look at it (and see the whole picture), as well as build/debug it if desired. Also make sure there's nothing in the debug.log that's giving you more information.

Put a space between Java and -jar

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1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

This thread is over 2 years old. Please create a new thread, and post full, not partial, logs.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

It should expand and fill in the whole filename for you. So I typed java -jar for<TAB> and it autofilled to java -jar .\forge-1.15.2-31.1.0-installer.jar

Please give step by step details on how you set up your modding workspace/IDE.

Take a look at vanilla code, maybe wither skeletons as they always have a sword (I think?). Zombies also can wield swords, so looking at the code for them might help you too.

Post the full debug log please

The document named debug is likely debug.log, windows is silly how it hides file extensions by default. But that's the one diesieben07 was looking for.

Really ancient versions of Minecraft/Forge are no longer supported on these forums. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

1.12 is no longer supported on these forums due to age. Please update to a modern version to receive support here. More information on supported versions can be found in the LTS link at the top of every page.

This thread is almost 5 years old, please make your own thread, and post logs and details of your issue. Also please read the LTS link at the top of every page for information on the currently supported versions.

The good news is you have Java 8, so once you get there the installer should run. I do notice you have the 32-bit version, hopefully it won't matter for running the installer. I am guessing that you may not be in the correct directory (folder) when executing the command. Ctrl+M in the command window will let you mark stuff to copy (press Enter after marking it), and then you can paste what your command prompt window looks like here. Show your attempt at running the installer, and then after also show the results of typing dir at the command prompt.

Are you holding down shift on the keyboard when you right-click? Also, make sure you're not right-clicking on a file.

Try using Java 8

Ah ok, so you typed out the error you got, not a copy/paste. You should try running it from the commandline. If you're on windows, open the folder the installer is in, hold shift and right-click an empty space to get a menu, and choose open powershell (or command) here. Then type java -jar forge<TAB> (actually press tab, not <TAB>)