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SO I am trying to install MT on a player's machine. I downloaded it, associated the launcher jar file with the installed java, and when i double click it (or right click it and click open) it simply runs the windows command prompt (the black window) and nothing happens. I tried installing and associating it with java, java x64, and java x86 (it is a 64-bit system) and I uninstalled and installed each version of java in succession and then restarted and reassociated the jar files with each. Same result. I also added a new system variable and added the path to the java runtime environment in windows itself. Nothing. I'm really frustrated. Can you help, please? Game is tomorrow.

This is Windows 10, and MT 1.4.0.5.

In the announcements there's a dev version . Try that one.

You shouldn't have to associate the java unless there is an issue with your installs like installing an older version after the newer version of java. So, the launcher doesn't even load for you? I'm assuming you're running the launcher-1.4.0.5.jar file. Does it say Executable Jar File when you mouse over it?

Also, try double clicking on the MapTool jar and see if it loads? (It will load with bare min memory settings only though) but if it runs then at least you know your Java is set up correctly and the JAR isn't corrupt.

As someone said, try the dev version to see if it works, will help point to things. If you are comfortable with a command prompt, open one and navigate to the maptool directory and type "java -version" and "java maptool-1.4.0.5" and tell us the results.

wolph42, would everyone then be needing to run the Dev version?

alias, I agree. I supposedly have java installed on the machine, but it doesn't recognize the jar files unless I associate them. When I mouse over the launcher file, it just says "jar file."

Jamz, it doesn't run when I double click. It just opens the command window looking thing. i can open a command window but how do I navigate to the directory?

So i downloaded the dev version. Double click the launcher-- same thing. Something is wrong with the java install on this machine. Ugh...

I found some sort of a weird work around. I installed Jar_Runner from here: http://download.cnet.com/JAR_Runner/300 ... 75806.html

Dragged the launcher file onto the jar runner and maptool opened.

Glad you got a workaround for it.

Have you tried Nerps's custom fork of 1.4? It's self contained and has its own java built in. So, all your java problems would be gone.

http://maptool.nerps.net/

mistamichal wrote:Glad you got a workaround for it.

Have you tried Nerps's custom fork of 1.4? It's self contained and has its own java built in. So, all your java problems would be gone.

http://maptool.nerps.net/

The dev version has it's own java version built in as well. After installing java and he still has to associate the extension to java then there is something up with his system for sure.

Personally, I would remove all versions of java and the .maptool folder and remove the associate he made for the .jar file, remove the jar runner and then restart the computer.

The newer versions of java uses an MS symlink that's held here (C:\ProgramData\Oracle\Java\javapath), but that's not the actual file to be run. Perhaps when the associate was made it was made to that file which I could see why he would get the error he did.

Then I would download the 64bit java (http://javadl.oracle.com/webapps/downlo ... eId=216434) and install MT 1.4.0.5 under the downloads folder and run the launcher. Hopefully, that would do the trick. I would not continue to use the java runner because it shouldn't be unnecessary.

Typical memory setting for the launcher for a 64bit system is 2048 max, 64 min, 3 stack. You shouldn't need to associate the java file in the launcher.

aliasmask wrote:

mistamichal wrote:Glad you got a workaround for it.

Have you tried Nerps's custom fork of 1.4? It's self contained and has its own java built in. So, all your java problems would be gone.

http://maptool.nerps.net/

The dev version has it's own java version built in as well. After installing java and he still has to associate the extension to java then there is something up with his system for sure.

Ahhhh, then yep, definitely something wrong in that case.

I agree with AM's approach. The dev version uses it's own JRE and if that doesn't work also then something strange is going on...