If you don't mind me asking, why are you trying to build Maven? Just for fun; because corporate says we have to be able to build everything (including our tools) from scratch; some other reason; etc?
Wayne On 6/13/08, Michael Delaney <[EMAIL PROTECTED]> wrote: > Ram, > > I was trying to build everything, I went into the root of the Maven 2 > source distribution and executed "bootstrap.bat". The steps were as > follows: > cd /d C:\tmp\maven-2.0.9-src\maven-2.0.9-src > set M2_HOME=c:\apache-maven-2.0.9 > set PATH=%M2_HOME%\bin;%PATH% > bootstrap.bat > > The documentation I followed is listed at > http://maven.apache.org/guides/development/guide-building-m2.html, and I > was using the section "Building Maven 2.0 Without Maven Installed". > > Here is a print out of the relevant environment variables > JAVA_HOME=c:\Program Files\Java\jdk1.5.0_13 > M2_HOME=c:\tmp\apache-maven-2.0.9 > > -----Original Message----- > From: RAM [mailto:[EMAIL PROTECTED] > Sent: Friday, June 13, 2008 4:11 AM > To: Maven Users List > Subject: Re: Building Maven2 > > The error message is little bit confusing :"Null Pointer Exception in > thread > main". What are you trying to build? > I did the following setup and its working fine for me: > > M2_HOME = D:\apache-maven-2.0.9 > JAVA_HOME = {Here the *JDK* Path] Remember Maven doesnt work properly > with > JRE > PATH: %M2_HOME%/bin > > Just run mvn --version and we are good to go. > If you are getting the version printed as 2.0.9, its correctly > installed. > > Also, if you can forward the apache link you are talking about (where > you > got the example), I can look into that. > > Thanks & Regards, > Ram > > > On 6/12/08, Michael Delaney <[EMAIL PROTECTED]> wrote: > > > > All, > > > > > > > > I am trying to build Maven 2.0.9 from the source, as found on the > Apache > > site. I went through the necessary steps of setting M2_HOME to a valid > > name (M2_HOME=c:\tmp\apache-maven-2.0.9) and adding M2_HOME to my > > windows path (PATH=%M2_HOME%\bin;%PATH%) as per the documentation. > > However, when I try to build I get an error. This is my first time > > trying to build Maven2 so it's possible I did something stupid but I > > don't know what. > > > > > > > > Can anyone help shed some light on this? > > > > > > > > [ Command Output ] > > > > Building project in > C:\tmp\maven-2.0.9-src\maven-2.0.9-src\apache-maven > > > > ------------------------------------------------------------------ > > > > Cleaning C:\tmp\maven-2.0.9-src\maven-2.0.9-src\apache-maven\target... > > > > Compiling sources ... > > > > Packaging resources ... > > > > Packaging > > > C:\tmp\maven-2.0.9-src\maven-2.0.9-src\apache-maven\target\apache-maven. > > jar ... > > > > ------------------------------------------------------------------ > > > > Exception in thread "main" java.lang.NullPointerException > > > > at > > > org.apache.maven.bootstrap.installer.BootstrapInstaller.createInstallati > > on(BootstrapInstaller.java:254) > > > > at > > > org.apache.maven.bootstrap.installer.BootstrapInstaller.run(BootstrapIns > > taller.java:136) > > > > at > > > org.apache.maven.bootstrap.installer.BootstrapInstaller.main(BootstrapIn > > staller.java:91) > > > > > ----------------------------------------------------------------------- > > > > BUILD FAILED > > > > > ----------------------------------------------------------------------- > > > > C:\tmp\maven-2.0.9-src\maven-2.0.9-src> > > > > > > > > > Mike D. > > > > > > > -- > Thanks > Ram > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
