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Re: Error debugging on clean install

created by Chris Nash in jBPM - View the full discussion

Yes, but it errors out (so it doesn't start). I get this:

 

start.human.task:

    [javac] C:\jbpm-installer\build.xml:500: warning: 'includeantruntime' was no

t set, defaulting to build.sysclasspath=last; set to false for repeatable builds

     [java] java.lang.UnsupportedClassVersionError: org/jbpm/DemoTaskService : U

nsupported major.minor version 51.0

     [java]     at java.lang.ClassLoader.defineClass1(Native Method)

     [java]     at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)

     [java]     at java.lang.ClassLoader.defineClass(ClassLoader.java:615)

     [java]     at java.security.SecureClassLoader.defineClass(SecureClassLoader

.java:141)

     [java]     at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)

     [java]     at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

     [java]     at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

     [java]     at java.security.AccessController.doPrivileged(Native Method)

     [java]     at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

     [java]     at java.lang.ClassLoader.loadClass(ClassLoader.java:306)

     [java]     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)

     [java]     at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

     [java] Could not find the main class: org.jbpm.DemoTaskService.  Program wi

ll exit.

     [java] Exception in thread "main"

     [java] Java Result: 1

 

Now it apparently doesn't like the Java minor version I'm using. I really don't want to have to regress to Java 1.5 if I don't have to. Why is jBPM so picky about the Java version numbers? Aren't they all backwards compatible? What's the latest version I can get away with? Thanks again!

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