Problem with initservlet

[LAMY Olivier <LA...@accor-hotels.com>]

Hi all,
I'm trying to use an init servlet as defined in the page
(http://jakarta.apache.org/log4j/docs/manual.html) Initialization servlet
chapter.
I used Tomcat but I have the following problem in the catalina.out file :
Exception during startup processing
java.lang.reflect.InvocationTargetException:
java.lang.UnsupportedClassVersionError: com/accor/util/Log4jInit
(Unsupported major.minor version 48.0)
        at java.lang.ClassLoader.defineClass0(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:486)
        at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:111)
        at
org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLo
ader.java:1534)
        at
org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.jav
a:852)
        at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1273)
        at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.jav
a:1156)
        at
org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:801)
        at
org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:
3267)
        at
org.apache.catalina.core.StandardContext.start(StandardContext.java:3384)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at
org.apache.catalina.core.StandardHost.start(StandardHost.java:612)
        at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123)
        at
org.apache.catalina.core.StandardEngine.start(StandardEngine.java:307)
        at
org.apache.catalina.core.StandardService.start(StandardService.java:388)
        at
org.apache.catalina.core.StandardServer.start(StandardServer.java:505)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:776)
        at org.apache.catalina.startup.Catalina.execute(Catalina.java:681)
        at org.apache.catalina.startup.Catalina.process(Catalina.java:179)
        at java.lang.reflect.Method.invoke(Native Method)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:243)
What's the problem ??
In fact, this servlet works fine on my computer (jdk1.4) but not on other
machine (jdk1.3.1)
Thanks
Olivier


	
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