want to run my client.jar with a cmd.

**MarkQ** · 12-05-2011, 08:19 PM

Hello,

Normally I jar my client and so I start it but I have seen that at some computers(64Bit) it doesnt work so I wanted to make a run like this:

@echo off
title Client
java -Xmx1000m Client.jar
pause

But my problem is he says this then:

Error: Main class client.jar could not be found or loaded

I would rep++ for help... I have already seen this that this works but Idk what I have to do there... Mayby at jframe, client.java idk xD

**MarkQ** · 12-05-2011, 10:43 PM

damn any help?

**gomomo11** · 12-05-2011, 10:59 PM

java -jar Client.jar

Should work.

**MarkQ** · 12-06-2011, 04:33 PM

I made this one now:

@echo off
title Client
"%HOMEDRIVE%/Program Files/Java/jre6/bin/java.exe" -Xmx1000m -jar Client.jar
pause

and now it says:

Exception in thread "main" java.lang.UnsupportedClassVersionError: client : Unsu
pported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknow n Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$000(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: client. Program will exit.

any help? :/

**MarkQ** · 12-06-2011, 08:59 PM

dump

**Brony** · 12-06-2011, 09:02 PM

@echo off
Title client
C:\Program Files\Java\jre6\bin\java.exe" -Xmx512m -jar Client.jar
pause

**MarkQ** · 12-06-2011, 09:43 PM

nope still comes this message

:

Exception in thread "main" java.lang.UnsupportedClassVersionError: client : Unsu
pported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(Unknown Source)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknow n Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$000(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: client. Program will exit.

**Batukka** · 12-06-2011, 09:45 PM

change jre6 to jre7 this says it's unsupported. lol like:

"%HOMEDRIVE%/Program Files/Java/jre7/bin/java.exe" -Xmx1000m -jar Client.jar

**MarkQ** · 12-06-2011, 10:51 PM

damn it works thanks

ehh but why doesn't it work with jre6?? not everybody got jre7 i think... I have this idea running the .jar from another server and there he use jre6... and it works fine

**Server** · 12-07-2011, 07:23 AM

All you had to do is use:

@echo off
title Client
Client.jar
pause

^ as long as the Client.jar is in the same folder as the .bat file.

Thread: want to run my client.jar with a cmd.

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