[eclipse]Probleme d'installation d'eclipse sous redhat 64 bits

[otam_otam]

bonjour,
je telecharge la version eclipse-jee-europa-linux-gtk d eclipse mais lors d installation il me sort l erreur suivant sous le terminal :
Warning: -Xms40m not understood. Ignoring.
Warning: -Xmx512m not understood. Ignoring.
Warning: -jar not understood. Ignoring.
Exception in thread "main" java.lang.NoClassDefFoundError: .root.Desktop.eclipse.plugins.org.eclipse.equinox.launcher_1.0.0.v20070606.jar
at gnu.gcj.runtime.FirstThread.run() (/usr/lib64/libgcj.so.5.0.0)
at _Jv_ThreadRun(java.lang.Thread) (/usr/lib64/libgcj.so.5.0.0)
at _Jv_RunMain(java.lang.Class, byte const, int, byte const, boolean) (/usr/lib64/libgcj.so.5.0.0)
at __gcj_personality_v0 (/root/Desktop/eclipse/java.version=1.4.2)
at __libc_start_main (/lib64/tls/libc-2.3.4.so)
at _Jv_RegisterClasses (/root/Desktop/eclipse/java.version=1.4.2)

et un message sur une fentre s affiche pour me dire :
JVM terminated. Exit code=1
/usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre/bin/java
-Xms40m
-Xmx512m
-Dosgi.bundlefile.limit=100
-jar /root/Desktop/eclipse/plugins/org.eclipse.equinox.launcher_1.0.0.v20070606.jar
-os linux
-ws gtk
-arch x86
-showsplash
-launcher /root/Desktop/eclipse/eclipse
-name Eclipse
--launcher.library /root/Desktop/eclipse/plugins/org.eclipse.equinox.launcher.gtk.linux.x86_1.0.0.v20070606/eclipse_1017a.so
-startup /root/Desktop/eclipse/plugins/org.eclipse.equinox.launcher_1.0.0.v20070606.jar
-exitdata 9800e
-vm /usr/lib/jvm/java-1.4.2-gcj-1.4.2.0/jre/bin/java
-vmargs
-Xms40m
-Xmx512m
-Dosgi.bundlefile.limit=100
-jar /root/Desktop/eclipse/plugins/org.eclipse.equinox.launcher_1.0.0.v20070606.jar




j ai deja installé /opt/jre1.5.0_06
normalement il doit plus me donner des problemes au niveau de java!!

merci de m aider