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From Anders Hammar <and...@hammar.net>
Subject Re: Property loaded by plugin not available to gwt:run
Date Tue, 19 Jan 2010 19:55:02 GMT
When you execute
mvn gwt:run
you're not executing the maven lifecycle - just that goal of the gwt plugin.
Thus, the plugin bindings you've specified are not executed. Try
mvn install
instead.

/Anders

On Tue, Jan 19, 2010 at 16:00, Ryan Stewart <rds6235@gmail.com> wrote:

>
> I'm using the properties-maven-plugin to load properties from a file and
> trying to use one of these properties in configuring the GWT plugin. GWT
> has
> a "run" goal, which has executePhase=compile. When I invoke gwt:run, the
> value of the property in question is null instead of the value from the
> file. With an antrun execution bound to compile, I can see that the
> property
> is, indeed, set. Is the gwt:run goal running in some other context than the
> antrun goal bound to the compile phase? What's making the property
> unavailable?
>
> I'm including below the pom.xml, properties file, and output of running the
> gwt:run goal. In the pom, you can see it's configured to 1) read a property
> from build.properties, 2) echo the property using antrun, and 3) use the
> property in the gwt plugin's configuration. I purposely set the value to
> "1${...}" for this example so the null will show very clearly in the
> output.
> In the output, you see that the antrun execution gets the correct value of
> "8080", but in the gwt plugin, "1${...}" gets converted to "1null".
>
> Can anyone tell me why it behaves this way?
>
> pom.xml:
> <?xml version="1.0" encoding="UTF-8"?>
> <project xmlns="http://maven.apache.org/POM/4.0.0"
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
> http://maven.apache.org/xsd/maven-4.0.0.xsd">
>    <modelVersion>4.0.0</modelVersion>
>    <groupId>foo</groupId>
>    <artifactId>bar</artifactId>
>    <version>1.0-SNAPSHOT</version>
>    <packaging>war</packaging>
>    <build>
>        <sourceDirectory>src</sourceDirectory>
>        <plugins>
>            <plugin>
>                <artifactId>maven-compiler-plugin</artifactId>
>                <version>2.0.2</version>
>                <configuration>
>                    <excludes>
>                        <exclude>**/*.java</exclude>
>                    </excludes>
>                </configuration>
>            </plugin>
>            <plugin>
>                <groupId>org.codehaus.mojo</groupId>
>                <artifactId>properties-maven-plugin</artifactId>
>                <version>1.0-alpha-2</version>
>                <executions>
>                    <execution>
>                        <phase>initialize</phase>
>                        <goals>
>                            <goal>read-project-properties</goal>
>                        </goals>
>                        <configuration>
>                            <files>
>                                <file>build.properties</file>
>                            </files>
>                        </configuration>
>                    </execution>
>                </executions>
>            </plugin>
>            <plugin>
>                <artifactId>maven-antrun-plugin</artifactId>
>                <version>1.3</version>
>                <executions>
>                    <execution>
>                        <phase>compile</phase>
>                        <goals>
>                            <goal>run</goal>
>                        </goals>
>                        <configuration>
>                            <tasks>
>                                <echo message="This should be just before
> the gwt:run."/>
>                                <echo message="The tomcat.httpPort property
> is now: ${tomcat.httpPort}"/>
>                            </tasks>
>                        </configuration>
>                    </execution>
>                </executions>
>            </plugin>
>            <plugin>
>                <groupId>org.codehaus.mojo</groupId>
>                <artifactId>gwt-maven-plugin</artifactId>
>                <version>1.1</version>
>                <executions>
>                    <execution>
>                        <goals>
>                            <goal>compile</goal>
>                        </goals>
>                    </execution>
>                </executions>
>                <configuration>
>                    <runTarget>foo</runTarget>
>                    <port>1${tomcat.httpPort}</port>
>                </configuration>
>            </plugin>
>        </plugins>
>    </build>
> </project>
>
>
>
> build.properties:
> $ cat build.properties
> tomcat.httpPort=8080
>
>
>
> output:
> $ mvn gwt:run
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building Unnamed - foo:bar:war:1.0-SNAPSHOT
> [INFO]    task-segment: [gwt:run]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Preparing gwt:run
> [INFO] [properties:read-project-properties {execution:
> read-ant-properties}]
> [INFO] [resources:resources {execution: default-resources}]
> [WARNING] Using platform encoding (UTF-8 actually) to copy filtered
> resources, i.e. build is platform dependent!
> [INFO] skip non existing resourceDirectory
> /home/ryan/dev/projects/radar.git/src/main/resources
> [INFO] [compiler:compile {execution: default-compile}]
> [INFO] Nothing to compile - all classes are up to date
> [INFO] [antrun:run {execution: test}]
> [INFO] Executing tasks
>     [echo] This should be just before the gwt:run.
>     [echo] The tomcat.httpPort property is now: 8080
> [INFO] Executed tasks
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Failed to configure plugin parameters for:
> org.codehaus.mojo:gwt-maven-plugin:1.1
>
>
>
> Cause: Not a number: '1null'
> [INFO]
> ------------------------------------------------------------------------
> [INFO] For more information, run Maven with the -e switch
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 2 seconds
> [INFO] Finished at: Tue Jan 19 08:33:21 CST 2010
> [INFO] Final Memory: 25M/285M
> [INFO]
> ------------------------------------------------------------------------
>
> --
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> http://old.nabble.com/Property-loaded-by-plugin-not-available-to-gwt%3Arun-tp27227122p27227122.html
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>
>
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