eclipse在linux分区下用不成

wanting

eclipse放在windows分区，在linux里解压，运行都可以，后来为了整齐一些，就把整个目录考到了o/opt/eclipse下

录考到/opt/eclipse下，然后就不能运行了
这是错误信息
!SESSION 十一月 13, 2004 10:00:33.368 ---------------------------------------------
eclipse.buildId=I200406251208
java.version=1.4.2_01
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=zh_CN

!ENTRY org.eclipse.osgi 十一月 13, 2004 10:00:33.371
!MESSAGE Startup error
!STACK 1
java.lang.RuntimeException: Exception while creating System Bundle: Unable to find system bundle manifest file.
        at org.eclipse.osgi.framework.internal.core.Framework.createSystemBundle(Framework.java:253)
        at org.eclipse.osgi.framework.internal.core.Framework.initialize(Framework.java:152)
        at org.eclipse.osgi.framework.internal.core.Framework.<init>(Framework.java:95)
        at org.eclipse.osgi.framework.internal.core.OSGi.createFramework(OSGi.java:90)
        at org.eclipse.osgi.framework.internal.core.OSGi.<init>(OSGi.java:31)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:215)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:127)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.core.launcher.Main.basicRun(Main.java:183)
        at org.eclipse.core.launcher.Main.run(Main.java:644)
        at org.eclipse.core.launcher.Main.main(Main.java:62
!SESSION Sat Nov 13 10:00:33 CST 2004 ------------------------------------------
!ENTRY org.eclipse.core.launcher 4 0 十一月 13, 2004 10:00:33.393
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.NullPointerException
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:13
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.core.launcher.Main.basicRun(Main.java:183)
        at org.eclipse.core.launcher.Main.run(Main.java:644)
        at org.eclipse.core.launcher.Main.main(Main.java:62
请问，这是怎么回事，