Please see the project FAQ at
http://docs.codehaus.org/display/M2ECLIPSE/Project+FAQ#ProjectFAQ-UnabletolocatetheJavacCompilerError
regards,
Eugene
Abel Muiño wrote:
Not sure this will solve your problem, but you might want to try specifying
the JDK virtual machine on the command line arguments for eclipse.
Check the -vm argument in the eclipse help [1].
[1]
http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse.platform.doc.isv/reference/misc/runtime-options.html
Hez wrote:
Hi!
OK, you may ignore my previous my previoius emails and I have
re-installed Eclipse and the plugins to simulate the same problem.
The following are the steps I performed:
1) JAVA_HOME=C:\Program Files\Java\jdk1.5.0_11
2) Download Eclipse Java EE project bundle
(J2EE-SDK-Callisto-322-win32.zip) from
http://www.ibm.com/developerworks/eclipse/downloads/
3) Search and install all updates of the currently installed features
4) In Eclipse, goto Window->Preferences...->Java-Installed JREs
Add a new JRE (JRE home directory: C:\Program Files\Java\jdk1.5.0_11)
Remove the existing JRE (C:\Program Files\Java\jre1.5.0_11)
5) In Eclipse, install the latest Maven Integration for Eclipse (0.0.10)
from
http://m2eclipse.codehaus.org/update/
6) Restart Eclipse
7) In Windows, create a project
> mvn archetype:create -DgroupId=com.mycompany.app -DartifactId=my-app
> mvn package
8) In Eclipse, create my-app project from existing source.
There will be errors because JUnit dependencies are missing!
9) Right-click my-app, and select Maven2->Enable.
6/18/07 2:24:29 PM SGT: Reading /my-app/pom.xml
6/18/07 2:24:29 PM SGT: Updated model /my-app/pom.xml :
com.mycompany.app:my-app:1.0-SNAPSHOT
6/18/07 2:24:29 PM SGT: Reading /my-app/pom.xml
10) Right-click my-app, and select Maven2->Update Source Folders
6/18/07 2:26:20 PM SGT: Reading /my-app/pom.xml
6/18/07 2:26:20 PM SGT: Generating sources /my-app/pom.xml
6/18/07 2:26:20 PM SGT: [INFO] Scanning for projects...
6/18/07 2:26:20 PM SGT: [INFO]
--------------------------------------------
6/18/07 2:26:20 PM SGT: [INFO] Building my-app
6/18/07 2:26:20 PM SGT: [INFO] task-segment:
[process-test-resources]
6/18/07 2:26:20 PM SGT: [INFO]
--------------------------------------------
6/18/07 2:26:21 PM SGT: resources:resources
6/18/07 2:26:21 PM SGT: [INFO] Using default encoding to copy
filtered resources.
6/18/07 2:26:21 PM SGT: compiler:compile
6/18/07 2:26:21 PM SGT: [INFO] Compiling 1 source file to
C:\Documents and Settings\tjhoo\Desktop\my-app\target\classes
6/18/07 2:26:21 PM SGT: ERROR mojo-execute : compiler:compile :
Compilation failure
Unable to locate the Javac Compiler in:
C:\Program Files\Java\jre1.5.0_11\..\lib\tools.jar
Please ensure you are using JDK 1.4 or above and
not a JRE (the com.sun.tools.javac.Main class is required).
In most cases you can change the location of your Java
installation by setting the JAVA_HOME environment variable.
Is there anything I have overlook?
On 6/16/07, hezjing <[EMAIL PROTECTED]> wrote:
Hi!
I got this error when right click my Maven2 enabled project and select
Maven2->Update Source Folders:
6/16/07 10:53:27 PM SGT: ERROR mojo-execute : compiler:compile :
Compilation failure
Unable to locate the Javac Compiler in:
C:\Program Files\Java\jre1.5.0_12\..\lib\tools.jar
Please ensure you are using JDK 1.4 or above and
not a JRE (the com.sun.tools.javac.Main class is required).
In most cases you can change the location of your Java
installation by setting the JAVA_HOME environment variable.
In Eclipse->Windows->Preferences...->Java->Installed JREs, I have only
one entry with JRE home directory pointing to C:\Program
Files\Java\jdk1.5.0_12
my JAVA_HOME is C:\Program Files\Java\jdk1.5.0_12
and the eclipse.ini contains
-vm "C:\Program Files\Java\jdk1.5.0_12\bin\java.exe" -vmargs -Xms40m
-Xmx256m
May I know what could be the problem?
--
Hez
--
Hez
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