ECCE 6.3. Install/Java Problem


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Hi.

I tried to install ECCE 6.3. via the script for Intel or AMD 64-bit Linux systems (nstall_ecce.v6.3.rhel5-gcc4.1.2-m64.csh). It proceeds without any error, but when i try to start the ECCE servers only the httpd starts and i get

Failed to execute main task. Reason: java.lang.NoClassDefFoundError: org.springframework.core.CollectionFactory


Also, the ECCE GUI doesn't start, I only get this error messages:

Starting ECCE ... please wait
Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
        at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
        at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
        at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:268)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)


Of course, this suggests a Java related error like the wrong version number as stated in the exception, but the prerequisite software check tells me that everything should be okay with that.

Found Java in: /usr/bin/java
ECCE requires java 1.5.x or 1.6.x
This version: java version "1.6.0_20"
Hit return if this java is OK...

Found python in: /usr/bin/python
ECCE requires python 2.4.x or newer
This version: Python 2.6.5
Hit return if this python is OK...

Found perl in: /usr/bin/perl
ECCE requires perl 5.x.x
This is perl 5, version 12, subversion 1 (v5.12.1) built for x86_64-linux-thread-multi
Hit return if this perl is OK...

pkg-config check for gtk+-2.0: Found
ECCE requires gtk+-2.0 2.x.x
This version: 2.20.1
Hit return if this gtk+-2.0 is OK...

Found ImageMagick mogrify in: /usr/bin/mogrify
ECCE requires mogrify 6.x.x or newer
Version: ImageMagick 6.6.1-0 2010-07-29 Q16 http://www.imagemagick.org
Hit return if this mogrify is OK...

Found xterm in: /usr/bin/xterm
Hit return if xterm was found...

Found OpenGL libGL in: libGL.so.1 (libc6,x86-64) => /usr/lib64/libGL.so.1
Found OpenGL libGLU in: libGLU.so.1 (libc6,x86-64) => /usr/lib64/libGLU.so.1
Hit return if these OpenGL libraries are OK...


Since I really don't know how to proceed, any help would be very appreciated.