这是什么意思

bqyh

安装MYECLIPSE 的时候提示
Preparing to install...
tail: `-1' option is obsolete; use `-n 1'
Try `tail --help' for more information.
./EnterpriseWorkbenchInstaller_030802.bin: line 327: [: `)' expected, found -z
WARNING! The amount of /tmp disk space required and/or available
could not be determined.  The installation will be attempted anyway.
Extracting the installation resources from the installer archive...
Configuring the installer for this system's environment...

Launching installer...

Warning: -Xmx50331648 not understood. Ignoring.
Warning: -Xms16777216 not understood. Ignoring.
Unable to locate the application's 'main' class. The class 'com.zerog.ia.installer.Main' must be public and have a 'public static void main(String[])' method. (LAX)
GUI-


怎么解决啊。。。。。。。。。。。