Major/Minor version

[Migrated From Jforum.net]

Hi, I've got this error when I try to access my jforum web-app.
What should be the solution to this problem?. Thanks!!

Error configuring application listener of class net.jforum.ForumSessionListener
java.lang.UnsupportedClassVersionError: net/jforum/ForumSessionListener (Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1634)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:860)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1307)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3775)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4343)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:823)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:807)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:595)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:277)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:832)
at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:625)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:431)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:983)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:349)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1091)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at org.apache.catalina.core.StandardService.start(StandardService.java:480)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)

[originally posted on jforum.net by Anonymous]

[Migrated From Jforum.net]

What's the JVM version are you using?

Rafael
[originally posted on jforum.net by Rafael Steil]

[Migrated From Jforum.net]

JVM version is:

java version "1.4.2-p5"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-p5-iva_27_dec_2003_11_44)
Java HotSpot(TM) Client VM (build 1.4.2-p5-iva_27_dec_2003_11_44, mixed mode)

[originally posted on jforum.net by Anonymous]

[Migrated From Jforum.net]

Hm... I compiled JForum using j2sdk1.4.2_06 ..

Rafael
[originally posted on jforum.net by Rafael Steil]