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[SOLVED] Strange erroneous behavior of xtext-maven-plugin [message #1736897]

Mon, 04 July 2016 05:27

Eclipse User

Dear all.

I have defined a Eclipse plugin with Java and my DSL code inside:

<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>
	<parent>
		<groupId>io.sarl</groupId>
		<artifactId>io.sarl.plugins</artifactId>
		<version>0.4.0-SNAPSHOT</version>
	</parent>
	<artifactId>io.sarl.core</artifactId>
	<packaging>eclipse-plugin</packaging>
	<name>SDK Core Library</name>

	<build>
		<resources>
			<resource>
				<directory>src/main/sarl</directory>
				<includes>
					<include>**/*.sarl</include>
				</includes>
			</resource>
		</resources>
		<plugins>
			<plugin>
				<groupId>org.codehaus.mojo</groupId>
				<artifactId>build-helper-maven-plugin</artifactId>
				<executions>
					<execution>
						<goals>
							<goal>add-source</goal>
						</goals>
						<configuration>
							<sources>
								<source>src/main/sarl</source>
								<source>src/main/generated-sources/sarl/</source>
								<source>src/test/generated-sources/sarl/</source>
							</sources>
						</configuration>
					</execution>
				</executions>
			</plugin>

			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-clean-plugin</artifactId>
				<executions>
					<execution>
						<phase>clean</phase>
						<goals>
							<goal>clean</goal>
						</goals>
						<configuration>
							<filesets>
								<fileset>
									<directory>src/main/generated-sources/sarl</directory>
								</fileset>
								<fileset>
									<directory>src/test/generated-sources/sarl</directory>
								</fileset>
							</filesets>
						</configuration>
					</execution>
				</executions>
			</plugin>

			<plugin>
				<groupId>org.eclipse.xtext</groupId>
				<artifactId>xtext-maven-plugin</artifactId>
				<executions>
					<execution>
						<goals>
							<goal>generate</goal>
						</goals>
					</execution>
				</executions>
				<configuration>
					<encoding>${project.build.sourceEncoding}</encoding>
					<compilerSourceLevel>${compiler.level}</compilerSourceLevel>
					<compilerTargetLevel>${compiler.level}</compilerTargetLevel>
					<failOnValidationError>true</failOnValidationError>
					<languages>
						<language>
							<setup>io.sarl.lang.SARLStandaloneSetup</setup>
							<outputConfigurations>
								<outputConfiguration>
									<outputDirectory>src/main/generated-sources/sarl/</outputDirectory>
								</outputConfiguration>
							</outputConfigurations>
						</language>
					</languages>
				</configuration>
				<dependencies>
					<dependency>
						<groupId>io.sarl.lang</groupId>
						<artifactId>io.sarl.lang</artifactId>
						<version>${project.version}</version>
					</dependency>
					<dependency>
						<groupId>io.sarl.lang</groupId>
						<artifactId>io.sarl.lang.core</artifactId>
						<version>${project.version}</version>
					</dependency>
					<dependency>
						<groupId>org.eclipse</groupId>
						<artifactId>osgi</artifactId>
						<version>${osgi.nls.version}</version>
					</dependency>
					<dependency>
						<groupId>org.eclipse.xtend</groupId>
						<artifactId>org.eclipse.xtend.core</artifactId>
						<version>${xtext.version}</version>
					</dependency>
				</dependencies>
			</plugin>
		</plugins>
	</build>

</project>

Note that the scripts written with my DSL are using Java classes that are defined in the same maven module.

With Xtext 2.10.0 and Eclipse Mars.2 API everything is working perfectly when compiling from the command line with Maven.

After upgrading my project to Eclipse Neon API, I 'm obtaining a strange compilation error on the command line.
* "mvn clean install" works perfectly in the directory of the project module.
* "mvn clean install" fails when it is launched from one of the parent modules (complete log attached). It indicates that the Java class "AgentTask". But is is defined in the "src/main/java" folder, and the "class file" is present inside the "target/classes" folder of module.

Do anyone encountered this problem? Or have a fix for the xtext-maven-plugin configuration?

All the best.
Stéphane.

Attachment: compile.log
(Size: 38.63KB, Downloaded 116 times)

[Updated on: Mon, 04 July 2016 15:53] by Moderator

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736902 is a reply to message #1736897]

Mon, 04 July 2016 05:58

Eclipse User

I have discovered a new point. The module "io.sarl.lang:io.sarl.lang" is in the dependencies of the xtext-maven-plugin.
If this project is inside the current build tree (as a submodule of the parent module of the failing module), the failure occurs. If this module is obtained from the ".m2" the failure does not occur.

The module "io.sarl.lang:io.sarl.lang" contains the DSL compiler.

[Updated on: Mon, 04 July 2016 05:59] by Moderator

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736904 is a reply to message #1736902]

Mon, 04 July 2016 06:15

Eclipse User

Stephane Galland <forums-noreply@xxxxxxxx> wrote:
> I have discovered a new point. The module "io.sarl.lang:io.sarl.lang" is
> in the dependencies of the xtext-maven-plugin.
> If this project is inside the current build tree (as a submodule of the
> parent module of the failing module), the failure occurs. If this module
> is obtained from the ".m2" the failure does not occur.

What Happens if you add a project dependency to the Lang module to the Pom
as well

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736915 is a reply to message #1736904]

Mon, 04 July 2016 07:31

Eclipse User

Adding io.sarl.lang module in the build.properties of the io.sarl.core module does not solve the problem:

source.. = src/main/java,\
           src/main/sarl,\
           src/main/generated-sources/sarl
bin.includes = META-INF/,\
               .,\
               OSGI-INF/
jre.compilation.profile = JavaSE-1.8
additional.bundles = io.sarl.lang

When I take a look in the "target/classes" folder of the "io.sarl.core" module, there is no generated classes from the Java code "AgentTask.class" inside the module. They are needed by the xtext-based compiler, I guess.
Again, theses class files are generated if I remove "io.sarl.lang" from the current build tree.

Is a way to what xtext-maven-plugin is doing regarding the Java compiler?

[Updated on: Mon, 04 July 2016 07:32] by Moderator

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736920 is a reply to message #1736915]

Mon, 04 July 2016 07:40

Eclipse User

can you create a small example reproducing the problem?

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736931 is a reply to message #1736897]

Mon, 04 July 2016 08:16

Eclipse User

Please find a simplified project attached to this message.

Command lines that work:

cd debug/io.sarl.core
mvn clean install

Command lines that do not work:

cd debug
mvn clean install

Attachment: test_bug.zip
(Size: 666.57KB, Downloaded 155 times)

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736937 is a reply to message #1736931]

Mon, 04 July 2016 08:54

Eclipse User

When running Maven with debug output from the root directory of the "testing project", I obtain the following error from xtext-maven-plugin, but without details:

[INFO] invoke batch compiler with '-verbose -cp "/home/sgalland/.m2/repository/p2/osgi/bundle/com.google.guava/15.0.0.v201403281430/com.google.guava-15.0.0.v201403281430.jar:/home/sgalland/tmp/debug/io.sarl.lang.core/target/io.sarl.lang.core-0.4.0-SNAPSHOT.jar:/home/sgalland/.m2/repository/p2/osgi/bundle/org.eclipse.xtext.xbase.lib/2.10.0.v201605250459/org.eclipse.xtext.xbase.lib-2.10.0.v201605250459.jar:/home/sgalland/.m2/repository/p2/osgi/bundle/javax.inject/1.0.0.v20091030/javax.inject-1.0.0.v20091030.jar" -d "/home/sgalland/tmp/debug/io.sarl.core/target/xtext-temp/classes" -source 1.8 -target 1.8 -proceedOnError "/home/sgalland/tmp/debug/io.sarl.core/src/main/java" "/home/sgalland/tmp/debug/io.sarl.core/src/main/sarl" "/home/sgalland/tmp/debug/io.sarl.core/target/xtext-temp/stubs"'
[WARNING] Unable to load annotation processing manager org.eclipse.jdt.internal.compiler.apt.dispatch.BatchAnnotationProcessorManager from classpath.
[INFO] Stubs compilation finished with errors.

When compiling from the "io.sarl.core" folder, the stub generation is a success.

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736939 is a reply to message #1736937]

Mon, 04 July 2016 09:27

Eclipse User

i am not sure if it is ok to compile a xtend-subdsl with xtext maven plugin

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736948 is a reply to message #1736939]

Mon, 04 July 2016 10:20

Eclipse User

here is what works for me

<dependency>
						<groupId>io.sarl.lang</groupId>
						<artifactId>io.sarl.lang</artifactId>
						<version>${project.version}</version>
						<exclusions>
        <exclusion>
            <groupId>*</groupId>
            <artifactId>*</artifactId>
        </exclusion>
    </exclusions>
					</dependency>
					<dependency>
						<groupId>io.sarl.lang</groupId>
						<artifactId>io.sarl.lang.core</artifactId>
						<version>${project.version}</version>
						<exclusions>
        <exclusion>
            <groupId>*</groupId>
            <artifactId>*</artifactId>
        </exclusion>
    </exclusions>
					</dependency>

( i addded the excludes)

Re: Strange erroneous behavior of xtext-maven-plugin [message #1736988 is a reply to message #1736948]

Mon, 04 July 2016 15:53

Eclipse User

Your solution is the good one. Indeed, I have determined that tycho is not providing the same dependencies in the two cases. Your solution permits to skip this problem.

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