I have recently downloaded and unzipped Maven 3.3.1 in Windows 7.
I updated my path environment variable to include
C:\Apache\Maven\apache-maven-3.3.1\bin. I also added a JAVA_HOME environment
variable that points to my Java 8 JDK. And created both an M2_HOME and M2
environment variable.
When I enter mvn - -version on the command line I get the following:
H:\>mvn --version
Usage: java [-options] class [args...]
(to execute a class)
or java [-options] -jar jarfile [args...]
(to execute a jar file)
where options include:
-d32 use a 32-bit data model if available
-d64 use a 64-bit data model if available
-server to select the "server" VM
The default VM is server.
-cp <class search path of directories and zip/jar files>
-classpath <class search path of directories and zip/jar files>
A ; separated list of directories, JAR archives,
and ZIP archives to search for class files.
-D<name>=<value>
set a system property
-verbose:[class|gc|jni]
enable verbose output
-version print product version and exit
-version:<value>
require the specified version to run
-showversion print product version and continue
-jre-restrict-search | -no-jre-restrict-search
include/exclude user private JREs in the version search
-? -help print this help message
-X print help on non-standard options
-ea[:<packagename>...|:<classname>]
-enableassertions[:<packagename>...|:<classname>]
enable assertions with specified granularity
-da[:<packagename>...|:<classname>]
-disableassertions[:<packagename>...|:<classname>]
disable assertions with specified granularity
-esa | -enablesystemassertions
enable system assertions
-dsa | -disablesystemassertions
disable system assertions
-agentlib:<libname>[=<options>]
load native agent library <libname>, e.g. -agentlib:hprof
see also, -agentlib:jdwp=help and -agentlib:hprof=help
-agentpath:<pathname>[=<options>]
load native agent library by full pathname
-javaagent:<jarpath>[=<options>]
load Java programming language agent, see java.lang.instrument
-splash:<imagepath>
show splash screen with specified image
See http://www.oracle.com/technetwork/java/javase/documentation/index.html for
more details.
However, when I change to any of the following three directories:
C:\Windows
C:\Windows\System32
C:\Apache\Maven\apache-maven-3.3.1\bin
and enter mvn - -version on the command line I get the following:
C:\Apache\Maven\apache-maven-3.3.1\bin>mvn --version
Apache Maven 3.3.1 (cab6659f9874fa96462afef40fcf6bc033d58c1c;
2015-03-13T16:10:27-04:00)
Maven home: C:\Apache\Maven\apache-maven-3.3.1\bin\..
Java version: 1.8.0_31, vendor: Oracle Corporation
Java home: C:\Program Files\Java\jdk1.8.0_31\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "amd64", family: "dos"
If I run mvn - -version from any other directory I get the same results as
reported when I run from H:\.
Michael Tarullo
Contractor (Engility Corp)
Enterprise Architect
NSRR System Administrator
FAA WJH Technical Center
(609)485-5294