java - Eclipse error when I debug project

I use Eclipse for long time .I never seen this error, But now I see every time that I debug project. Sometime it occur even I don't do anything.

Java was started but returned exit code=1
C:\Windows\system32\javaw.exe
-Xms40m
-Xmx384m
-XX:MaxPermSize=256m
-jar E:\Backup261010\Download\Android App Dev\eclipse\plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
-os win32

-ws win32
-arch x86_64
-showsplash
-launcher E:\Backup261010\Download\Android App Dev\eclipse\eclipse.exe
-name Eclipse
--launcher.library E:\Backup261010\Download\Android App Dev\eclipse\plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.100.v20110502\eclipse_1406.dll
-startup E:\Backup261010\Download\Android App Dev\eclipse\plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
--launcher.overrideVmargs
-exitdata 838_5c
-vm C:\Windows\system32\javaw.exe

-vmargs
-Xms40m
-Xmx384m
-XX:MaxPermSize=256m
-jar E:\Backup261010\Download\Android App Dev\eclipse\plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar

What should I do

EDIT :

this is my eclipse.ini

-startup
plugins/org.eclipse.equinox.launcher_1.2.0.v20110502.jar
--launcher.library
plugins/org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.100.v20110502
-product
org.eclipse.epp.package.java.product
-showsplash

org.eclipse.platform
--launcher.XXMaxPermSize
256m
--launcher.defaultAction
openFile
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms64m
-Xmx512m
-XX:-UseCompressedOops

It's also have the same problem