appwarp s2 won't start

Question

I am just starting as per this.

http://appwarps2.shephertz.com/dev-center/

I have downloaded Char Server demo. and put in D:\appwarp

I have put "apache-ant-1.9.4" in directory D:\appwarp\ChatDemo\ChatServer

I have jdk 1.7.0 installed on my machine.

I am running windows_start.bat from chatServer and

i It still giving me this error..

 

Buildfile: D:\appwarp\ChatDemo\ChatServer\warp.xml

clean:
   [delete] Deleting directory D:\appwarp\ChatDemo\ChatServer\build

compile:
    [mkdir] Created dir: D:\appwarp\ChatDemo\ChatServer\build\classes
    [javac] Compiling 4 source files to D:\appwarp\ChatDemo\ChatServer\build\cla
sses

jar:
    [mkdir] Created dir: D:\appwarp\ChatDemo\ChatServer\build\jar
      [jar] Building jar: D:\appwarp\ChatDemo\ChatServer\build\jar\ChatDemo.jar

run:
     [java] java.lang.UnsupportedClassVersionError: chatapp/Main : Unsupported m
ajor.minor version 51.0
     [java]     at java.lang.ClassLoader.defineClass1(Native Method)
     [java]     at java.lang.ClassLoader.defineClass(ClassLoader.java:638)
     [java]     at java.security.SecureClassLoader.defineClass(SecureClassLoader
.java:143)
     [java]     at java.net.URLClassLoader.defineClass(URLClassLoader.java:281)
     [java]     at java.net.URLClassLoader.access$000(URLClassLoader.java:74)
     [java]     at java.net.URLClassLoader$1.run(URLClassLoader.java:216)
     [java]     at java.security.AccessController.doPrivileged(Native Method)
     [java]     at java.net.URLClassLoader.findClass(URLClassLoader.java:209)
     [java]     at java.lang.ClassLoader.loadClass(ClassLoader.java:324)
     [java]     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)

     [java]     at java.lang.ClassLoader.loadClass(ClassLoader.java:269)
     [java]     at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:337)

     [java] Error: Could not find the main class.
     [java] Error: A JNI error has occurred, please check your installation and
try again
     [java] Exception in thread "main"
     [java] Java Result: 1

main:

BUILD SUCCESSFUL
Total time: 1 second

 

please help.. thanks in advance..

Answer 1

This looks like an issue with the JRE installed on the machine. Please see the following

http://stackoverflow.com/questions/10382929/unsupported-major-minor-version-51-0

Comments

I also tried on other PC. but is not working. can you please provide all necessary things which is working on your side. I am on windows 7. can you provide JAVA. and apache and chat server Demo. currently I have java 1.7.0 installed.

Thanks in advance.

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I have Java 7 Update 51 installed