Ubuntu Eclipse无法正常启动

JVM terminated. Exit code=1
/usr/bin/java
-Dosgi.requiredJavaVersion=1.5
-XX:MaxPermSize=256m
-Xms768m
-Xmx768m
-startup
-jar /home/josiahliang/eclipse//plugins/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar
-os linux
-ws gtk
-arch x86_64
-showsplash
-launcher /home/josiahliang/eclipse/eclipse
-name Eclipse
--launcher.library /home/josiahliang/eclipse//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.2.R36x_v20101019_1345/eclipse_1310.so
-startup /home/josiahliang/eclipse//plugins/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar
-exitdata 25000f
-product org.eclipse.epp.package.php.product
-vm /usr/bin/java
-vmargs
-Dosgi.requiredJavaVersion=1.5
-XX:MaxPermSize=256m
-Xms768m
-Xmx768m
-startup
-jar /home/josiahliang/eclipse//plugins/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar