Jaina,

if maven works in another machine it might be some configuration either in:

- Your settings.xml file ~/.m2/settings.xml
- Maven's global settings.xml under maven's install dir {$M2_HOME}/conf
- Other files under Maven installation dir
- M2Eclipse configuration (Preferences->Maven)

Alex

Em 05-04-2011 08:57, jy hu escreveu:
HI,

Yes, I re-download the maven (latest version apache-maven-3.0.3), and
re-config the environment variables.
the same problem as below:

C:\Users\hujunying>mvn --version
javac: invalid flag: -Dclassworlds.conf=Q:\my
work\apache-maven-3.0.3\bin\m2.con
f
Usage: javac<options>  <source files>
use -help for a list of possible options

  But I copy the Maven to another machine, I can get the correct info with
the same way.

C:\Users\administrator>mvn --version
Apache Maven 3.0.3 (r1075438; 2011-03-01 01:31:09+0800)
Maven home: C:\apache-maven-3.0.3
Java version: 1.6.0_02, vendor: Sun Microsystems Inc.
Java home: C:\Program Files\Java\jdk1.6.0_02\jre
Default locale: en_GB, platform encoding: Cp1252
OS name: "windows vista", version: "6.1", arch: "x86", family: "windows"

Best,
Jaina


On Tue, Apr 5, 2011 at 12:06 PM, Wayne Fay<[email protected]>  wrote:

   I just set a MAVEN_OPTS: -Xmx1024m -Xms512m, an error was given like
last
  time.Has anyone ever met this?  added that the MAVEN_OPTS was not set
when
  mvn worked before.Please,
  C:\Users\lenovo>mvn --version
   javac: invalid flag: -Xmx1024m

If you open mvn.bat in Notepad, you will not find the word "javac"
anywhere in the file. Unless of course you edited this file and broke
it. There is only mention of "java.exe" in my mvn.bat file.

I suggest re-downloading and re-installing Maven, and then not playing
with the batch files.

Wayne

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