Hi all,
I kinda worked around it for the user.home property by doing (in pom.xml)
<ant>
<property name="user.home" value="${user.home}"/>
</ant>
This makes the user.home property available to Ant. Doesn't anyone no
a better solution?
I also tried to add a simple <javac> in my build.xml but running the
build now gives a very unpleasant error:
<snip/>
:
[INFO] Executing tasks
[echo] JAVA_HOME="/home/userid/bin/jdk/current"
all:
[javac] Compiling 1 source file to /home/userid/maven_puzzle/target/classes
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error executing ant tasks
Embedded error: The following error occurred while executing this line:
/home/userid/maven_puzzle/build.xml:12: Unable to find a javac compiler;
com.sun.tools.javac.Main is not on the classpath.
Perhaps JAVA_HOME does not point to the JDK
:
<snip/>
Obviously, JAVA_HOME is just fine. And the Ant build works like a
charm outside of Maven. Running with --debug doesn't reveal anything
useful.
I'd *really* appreciate some help. I'm sure I'm forgetting something
obvious as this should be really simple. I get the impression that my
classpath is incomplete (tools.jar is missing?) but I would expect the
antrun plugin to take care of that? And that still leaves the missing
Java system properties.
And here I was thinking that just wrapping the Maven build around the
existing Ant build wouldn't take much longer than a few minutes. :-)
Cheers,
Hilco
On 9/26/06, Hilco Wijbenga <[EMAIL PROTECTED]> wrote:
Hi all,
I ran into something funny. I created a very simple Ant build:
build.xml:
<project>
<echoproperties/>
<echo>${user.home}</echo>
</project>
Running 'ant' yields lots of properties and it prints my home
directory, as expected.
Buildfile: build.xml
[echoproperties] #Ant properties
[echoproperties] #Tue Sep 26 17:45:52 PDT 2006
[echoproperties] java.runtime.name=Java(TM) 2 Runtime Environment,
Standard Edition
:
<snip/>
:
[echoproperties] user.home=/home/userid
:
<snip/>
:
[echoproperties] sun.cpu.isalist=
[echo] /home/userid
BUILD SUCCESSFUL
Total time: 0 seconds
I then tried to set up Maven2 as a wrapper around this Ant build.
pom.xml:
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>a</groupId>
<artifactId>a</artifactId>
<version>1</version>
<build>
<plugins>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<executions>
<execution>
<phase>package</phase>
<configuration>
<tasks>
<ant/>
</tasks>
</configuration>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>ant</groupId>
<artifactId>optional</artifactId>
<version>1.5.4</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
Running 'mvn package' yields surprisingly little output:
[INFO] Scanning for projects...
:
<snip/>
:
[INFO] [antrun:run {execution: default}]
[INFO] Executing tasks
[echoproperties] #Ant properties
[echoproperties] #Tue Sep 26 17:42:31 PDT 2006
[echoproperties] ant.file=/home/userid/maven_puzzle/build.xml
[echoproperties] ant.file.null=/home/userid/maven_puzzle/build.xml
[echoproperties] ant.project.name=DummyProject
[echoproperties] ant.java.version=1.4
[echoproperties] basedir=/home/userid/maven_puzzle
[echo] ${user.home}
[INFO] Executed tasks
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2 seconds
[INFO] Finished at: Tue Sep 26 17:42:31 PDT 2006
[INFO] Final Memory: 4M/8M
[INFO] ------------------------------------------------------------------------
None of the Java system properties are available! Does anyone know why
this is happening? Am I missing an Ant dependency (I thought this was
core Ant functionality)?
Very puzzled,
Hilco
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