Using Maven to build c++ in eclipse - maven

My Project consists of multiple Java-Projects, one Java-JNI-C++ Project as a Bridge and one pure C++ Project keeping an algorithm library. I managed to write Maven build configurations for all 3 project kinds. So when I'm calling them on the commandline (Windows 7, 64bit) everything works great.
I do not use any make files or something like this. I use exec-maven-plugin to call my mingw 64bit installation without cygwin (and I also didn't at least knowingly install msys). So 2 pure commandline g++ commands each for the JNA and Library Project.
What I need now for a smooth development workflow is to be able to build and debug the this projects from within Eclipse but using the maven build scripts, since I don't want to put work into my poms and additionally configure the eclipse builder. This should be consistent! Furthermore should the error parsing in Eclipse be konsistent with the output of the maven build.
For my Java projects this works greatly out of the box. Eclipse picks up the maven config and CLEAN and BUILD produces exactly what it should. (Though I see that the Java Builder is still active in the project's properties. Why??). But I cannot get it to work with the CDT.
When I disable the C++ Builder Eclipse just builds with maven (what I want), but the clean commands do not work correctly. Also I get errors marked which are not errors by the compiler. Of course this should be consistent.
Are there tutorials for this use case?
I did not find information on that subject. I'm not sure if I'm generally going into a wrong direction missing best practices or something?!
Since this is my first s.o. question, please feel free to give me also feedback on my question. What I can provide I will ;-)
Some Information:
System Windows 7, 64bit
Eclipse Juno, m2e
Library POM:
<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>test</groupId>
<artifactId>mylib</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>MyLib</name>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<versionRange>[1.1.1,)</versionRange>
<goals>
<goal>exec</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute>
<runOnIncremental>true</runOnIncremental>
</execute>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.1.1</version>
<executions>
<execution>
<id>compile-Windows_x64</id>
<phase>compile</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<executable>g++</executable>
<workingDirectory>target/cpp/Windows_x64</workingDirectory>
<arguments>
<argument>-Wall</argument>
<argument>-m64</argument>
<argument>-c</argument>
<argument>-DAPI_EXPORT</argument>
<argument>-g3</argument>
<argument>-std=c++0x</argument>
<argument>../../../src/main/cpp/*.cpp</argument>
</arguments>
</configuration>
</execution>
<execution>
<id>link-Windows_x64</id>
<phase>compile</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<executable>g++</executable>
<workingDirectory>target</workingDirectory>
<arguments>
<argument>-shared</argument>
<argument>-s</argument>
<argument>-m64</argument>
<argument>-oMyLib_Windows_x64.dll</argument>
<argument>cpp/Windows_x64/*.o</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<configuration>
<descriptors>
<descriptor>src/main/assembly/assembly.xml</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<executions>
<execution>
<id>default-testCompile</id>
<phase>none</phase>
</execution>
<execution>
<id>default-compile</id>
<phase>none</phase>
</execution>
</executions>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>2.3.2</version>
<executions>
<execution>
<id>default-jar</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>default-test</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>2.5</version>
<executions>
<execution>
<id>default-resources</id>
<phase>none</phase>
</execution>
<execution>
<id>default-testResources</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-install-plugin</artifactId>
<version>2.3.1</version>
<executions>
<execution>
<id>default-install</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<version>2.7</version>
<executions>
<execution>
<id>default-deploy</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-site-plugin</artifactId>
<version>3.0</version>
<executions>
<execution>
<id>default-site</id>
<phase>none</phase>
</execution>
<execution>
<id>default-deploy</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
JNI POM:
<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>test</groupId>
<artifactId>myprog</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>MyProg</name>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.codehaus.mojo</groupId>
<artifactId>truezip-maven-plugin</artifactId>
<versionRange>[1.1,)</versionRange>
<goals>
<goal>copy</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute>
<runOnIncremental>true</runOnIncremental>
</execute>
</action>
</pluginExecution>
<pluginExecution>
<pluginExecutionFilter>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<versionRange>[1.1.1,)</versionRange>
<goals>
<goal>exec</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute>
<runOnIncremental>true</runOnIncremental>
</execute>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>truezip-maven-plugin</artifactId>
<version>1.1</version>
<executions>
<execution>
<id>get-library-headers</id>
<goals>
<goal>copy</goal>
</goals>
<phase>generate-sources</phase>
<configuration>
<fileset>
<directory>../MyLib/target/mylib-0.0.1-SNAPSHOT-dll.zip</directory>
<includes>
<include>headers/*</include>
</includes>
<outputDirectory>${project.build.directory}/myLib</outputDirectory>
</fileset>
</configuration>
</execution>
<execution>
<id>get-library</id>
<goals>
<goal>copy</goal>
</goals>
<phase>generate-resources</phase>
<configuration>
<fileset>
<directory>../MyLib/target/mylib-0.0.1-SNAPSHOT-dll.zip</directory>
<includes>
<include>*.dll</include>
</includes>
<outputDirectory>${project.build.directory}</outputDirectory>
</fileset>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.1.1</version>
<executions>
<execution>
<id>compile-Windows_x64</id>
<phase>compile</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<executable>g++</executable>
<workingDirectory>target/cpp/Windows_x64</workingDirectory>
<arguments>
<argument>-Wall</argument>
<argument>-m64</argument>
<argument>-c</argument>
<argument>-g3</argument>
<argument>-std=c++0x</argument>
<argument>-I../../myLib/headers</argument>
<argument>../../../src/main/cpp/*.cpp</argument>
</arguments>
</configuration>
</execution>
<execution>
<id>link-Windows_x64</id>
<phase>compile</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<executable>g++</executable>
<workingDirectory>target</workingDirectory>
<arguments>
<argument>-m64</argument>
<argument>-s</argument>
<argument>-oMyProg_Windows_x64.exe</argument>
<argument>cpp/Windows_x64/*.o</argument>
<argument>MyLib_Windows_x64.dll</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<executions>
<execution>
<id>default-testCompile</id>
<phase>none</phase>
</execution>
<execution>
<id>default-compile</id>
<phase>none</phase>
</execution>
</executions>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-jar-plugin</artifactId>
<version>2.3.2</version>
<executions>
<execution>
<id>default-jar</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>default-test</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>2.5</version>
<executions>
<execution>
<id>default-resources</id>
<phase>none</phase>
</execution>
<execution>
<id>default-testResources</id>
<phase>none</phase>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
Thankx

Eclipse does not use the Maven build. Instead it configures the JDT according to your POM. This is done through an M2E (Maven to Eclipse) connector. If you want the same to work for CDT, then you would need an M2E connector for that. I'm not aware of an existing one, so you would have to write an Eclipse plugin for that. See http://wiki.eclipse.org/M2E/Extension_Development for details on how to do that.
Of course, you could also use "execute" instead of "ignore" in your lifecycleMapping in the pom. But that would probably make for a pretty slow build, because the whole build would be triggered on each change. And still this wouldn't "magically" make the errors from Maven appear in your files.

Related

Spring Boot application - build process with Angular does not update Angular part

My Spring Boot application contains a Java part and an Angular part. The Angular part (with an index.html,etc) is generated into the folder src/main/resources/static. Works fine. I noticed that when building the final JAR often (?) the static part is lost.
How come? What can I do to get the static / HTML part into the final Spring Boot JAR?
My <build> part of the pom.xml is shown below. All not-interesting parts (like unit testing, etc) is removed.
<build>
...
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<executions>
<execution>
<id>npm install</id>
<goals>
<goal>exec</goal>
</goals>
<phase>initialize</phase>
<configuration>
<executable>npm</executable>
<arguments>
<argument>install</argument>
</arguments>
</configuration>
</execution>
<execution>
<id>build Angular production code</id>
<goals>
<goal>exec</goal>
</goals>
<phase>compile</phase>
<configuration>
<executable>npm</executable>
<arguments>
<argument>run</argument>
<argument>build</argument>
<argument>--prod</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
...
</build>
Thank you #Carlos Cavero! You pointed me in the right direction. Thank you so much!
The problem was that the npm build was done in the 'compile' phase. On some machines the 'compile' phase of the Java code was done before that 'compile' with the Angular 'npm build'.
The solution was to put the Angular (typescript) npm phase BEFORE the compile phase. That is: in the generate-resource phase. It could not be the 'validate' phase, because that one is done before the 'install' with the 'npm install'.
This is now the correct Angular / npm build phase.
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>1.6.0</version>
<executions>
<execution>
<id>npm install</id>
<goals>
<goal>exec</goal>
</goals>
<phase>initialize</phase>
<configuration>
<executable>npm</executable>
<arguments>
<argument>install</argument>
</arguments>
</configuration>
</execution>
<execution>
<id>build Angular production code</id>
<goals>
<goal>exec</goal>
</goals>
<phase>generate-resources</phase>
<configuration>
<executable>npm</executable>
<arguments>
<argument>run</argument>
<argument>build</argument>
<argument>--prod</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
I am using validate phase to copy the static angular resources to spring:
mvn clean install
Using a parent pom to split angular from Spring project:
<modules>
<module>phs-frontend</module>
<module>phs-frontend-web</module>
</modules>
Where phs-frontend project is an angular project with a pom file and maven clean plugin:
<build>
<plugins>
<plugin>
<artifactId>maven-clean-plugin</artifactId>
<version>2.5</version>
<configuration>
<filesets>
<fileset>
<directory>dist</directory>
<includes>
<include>*</include>
</includes>
</fileset>
</filesets>
</configuration>
</plugin>
<plugin>
<groupId>com.github.eirslett</groupId>
<artifactId>frontend-maven-plugin</artifactId>
<version>1.6</version>
<executions>
<execution>
<id>install node and npm</id>
<goals>
<goal>install-node-and-npm</goal>
</goals>
<configuration>
<nodeVersion>v6.10.3</nodeVersion>
<npmVersion>5.6.0</npmVersion>
</configuration>
</execution>
<execution>
<id>npm install</id>
<goals>
<goal>npm</goal>
</goals>
<configuration>
<arguments>install</arguments>
</configuration>
</execution>
<execution>
<id>npm run build</id>
<goals>
<goal>npm</goal>
</goals>
<configuration>
<arguments>run build</arguments>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
And the phs-frontend-web is the Spring project:
<build>
<plugins>
<plugin>
<artifactId>maven-resources-plugin</artifactId>
<version>2.6</version>
<executions>
<execution>
<id>copy-resources</id>
<phase>validate</phase>
<goals>
<goal>copy-resources</goal>
</goals>
<configuration>
<outputDirectory>${project.build.outputDirectory}/static/</outputDirectory>
<encoding>UTF-8</encoding>
<nonFilteredFileExtensions>
<nonFilteredFileExtension>ttf</nonFilteredFileExtension>
<nonFilteredFileExtension>woff</nonFilteredFileExtension>
<nonFilteredFileExtension>woff2</nonFilteredFileExtension>
</nonFilteredFileExtensions>
<resources>
<resource>
<directory>${project.basedir}/phs-frontend/dist</directory>
<filtering>true</filtering>
<includes>
<include>**/*</include>
</includes>
</resource>
</resources>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<executable>true</executable>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>

combination of shade, proguard and appassembler maven plugins

I'm trying to build and obfuscate a multi module project using maven. I use the shade plugin to create a fat jar containing all of my own class files(every module) so that I could obfuscate the fat jar using proguard-maven-plugin and then create executable build output using appassembler plugin. everything works except that the other module dependencies also appear in the appassembler repo dir, which is wrong because the obfuscated classes already exist in the shaded jar.
I've tried defining the other module dependencies as provided and then adding the dependencies for the shade plugin, but the shade plugin seems to ignore them.
this is the relevant part of pom.xml:
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<outputFile>${project.build.directory}/${project.build.finalName}-shaded.${project.packaging}</outputFile>
<artifactSet>
<includes>
<include>${project.groupId}:*</include>
</includes>
</artifactSet>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>module-a</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>module-b</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>com.github.wvengen</groupId>
<artifactId>proguard-maven-plugin</artifactId>
<version>2.0.13</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>proguard</goal>
</goals>
</execution>
</executions>
<configuration>
<injar>${project.build.finalName}-shaded.${project.packaging}</injar>
<outjar>${project.build.finalName}.${project.packaging}</outjar>
<proguardInclude>proguard.pro</proguardInclude>
<maxMemory>1024m</maxMemory>
<libs>
<lib>${java.home}/lib/rt.jar</lib>
<lib>${java.home}/lib/jce.jar</lib>
</libs>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>appassembler-maven-plugin</artifactId>
<version>2.0.0</version>
<executions>
<execution>
<id>assemble</id>
<phase>package</phase>
<goals>
<goal>assemble</goal>
</goals>
<configuration>
<programs>
<program>
<mainClass>my.package.Application</mainClass>
</program>
</programs>
<useWildcardClassPath>true</useWildcardClassPath>
<repositoryLayout>flat</repositoryLayout>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
Any ideas are welcome.
I found a solution which is not as convenient as I'd like but its better than removing the other module jars manually. I used assembly plugin to exclude the jars from the build distribution zip.
pom.xml:
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<outputFile>${project.build.directory}/${project.build.finalName}-shaded.${project.packaging}</outputFile>
<artifactSet>
<includes>
<include>${project.groupId}:*</include>
</includes>
</artifactSet>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>com.github.wvengen</groupId>
<artifactId>proguard-maven-plugin</artifactId>
<version>2.0.13</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>proguard</goal>
</goals>
</execution>
</executions>
<configuration>
<injar>${project.build.finalName}-shaded.${project.packaging}</injar>
<outjar>${project.build.finalName}.${project.packaging}</outjar>
<proguardInclude>proguard.pro</proguardInclude>
<maxMemory>1024m</maxMemory>
<libs>
<lib>${java.home}/lib/rt.jar</lib>
<lib>${java.home}/lib/jce.jar</lib>
</libs>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>appassembler-maven-plugin</artifactId>
<version>2.0.0</version>
<executions>
<execution>
<id>assemble</id>
<phase>package</phase>
<goals>
<goal>assemble</goal>
</goals>
<configuration>
<programs>
<program>
<mainClass>my.package.Application</mainClass>
</program>
</programs>
<useWildcardClassPath>true</useWildcardClassPath>
<repositoryLayout>flat</repositoryLayout>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.0.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<descriptors>
<descriptor>descriptor.xml</descriptor>
</descriptors>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
descriptor.xml:
<assembly xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://maven.apache.org/ASSEMBLY/2.0.0"
xsi:schemaLocation="http://maven.apache.org/ASSEMBLY/2.0.0 http://maven.apache.org/xsd/assembly-2.0.0.xsd">
<id>distribution</id>
<formats>
<format>zip</format>
</formats>
<fileSets>
<fileSet>
<directory>${project.build.directory}/appassembler</directory>
<excludes>
<exclude>**/module-a-${project.version}.${project.packaging}</exclude>
<exclude>**/module-b-${project.version}.${project.packaging}</exclude>
</excludes>
<outputDirectory>/</outputDirectory>
</fileSet>
</fileSets>
I think your issue comes from the fact that the shaded jar and the appassembler are ran during the same phase, package.
I think you should try to modify the phase of the appassembler plugin to:
<phase>post-package</phase>

Configuring Findbugs in Jenkins

My goal is to fail jenkins build for my project in case bugs are reported by FindBugs plugin. For that I have integrated FindBugs config in the project's pom.xml & the execution part of the config is below
<executions>
<execution>
<id>analyze-compile</id>
<phase>compile</phase>
<goals><goal>check</goal></goals>
<configuration>
<threshold>High</threshold>
</configuration>
</execution>
</executions>
I found the above config from online sources & with this config, the project is not failing incase of bugs reported by FindBugs. Also I have tried other configs like below
<xmlOutput>true</xmlOutput>
<configuration>
<failOnError>${findbugs.failOnError}</failOnError>
<threshold>High</threshold>
</configuration>
<executions>
<execution>
<id>noFailOnError</id>
<phase>verify</phase>
<goals>
<goal>check</goal>
</goals>
<configuration>
<failOnError>false</failOnError>
</configuration>
</execution>
<execution>
<id>failOnError</id>
<phase>install</phase>
<goals>
<goal>check</goal>
</goals>
<configuration>
<failOnError>true</failOnError>
</configuration>
</execution>
</executions>
Can someone please let me know what is the correct execution which needs to be used for failing build in case of bugs in FindBugs ?
Below is the correct configuration for find-bugs in pom.xml. It does the following - Perform FindBugs check, Generate xml report during verify phase , Transform it to html & Fail build in case bugs are present during check
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<version>2.4.0</version>
<executions>
<execution>
<id>findbug</id>
<phase>verify</phase>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
<configuration>
<effort>Max</effort>
<threshold>Low</threshold>
<findbugsXmlOutputDirectory>
${project.build.directory}/findbugs
</findbugsXmlOutputDirectory>
<failOnError>false</failOnError>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>xml-maven-plugin</artifactId>
<version>1.0</version>
<executions>
<execution>
<phase>verify</phase>
<goals>
<goal>transform</goal>
</goals>
</execution>
</executions>
<configuration>
<transformationSets>
<transformationSet>
<dir>${project.build.directory}/findbugs</dir>
<outputDir>${project.build.directory}/findbugs</outputDir>
<stylesheet>fancy-hist.xsl</stylesheet>
<!--<stylesheet>default.xsl</stylesheet> -->
<!--<stylesheet>plain.xsl</stylesheet> -->
<!--<stylesheet>fancy.xsl</stylesheet> -->
<!--<stylesheet>summary.xsl</stylesheet> -->
<fileMappers>
<fileMapper
implementation="org.codehaus.plexus.components.io.filemappers.FileExtensionMapper">
<targetExtension>.html</targetExtension>
</fileMapper>
</fileMappers>
</transformationSet>
</transformationSets>
</configuration>
<dependencies>
<dependency>
<groupId>com.google.code.findbugs</groupId>
<artifactId>findbugs</artifactId>
<version>2.0.0</version>
</dependency>
</dependencies>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<version>3.0.3</version>
<executions>
<execution>
<id>failing-on-high</id>
<phase>install</phase>
<goals>
<goal>findbugs</goal>
<goal>check</goal>
</goals>
<configuration>
<effort>Max</effort>
<threshold>Low</threshold>
<failOnError>true</failOnError>
</configuration>
</execution>
</executions>
</plugin>

How can I combine jars using Maven?

The following snippet creates 2 JARS:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>2.4</version>
<executions>
<execution>
<id>build-dependency</id>
<phase>compile</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>dependency</classifier>
<classesDirectory>${project.build.directory}\dependency</classesDirectory>
<includes>
<include>${dependancyInclude}</include>
</includes>
</configuration>
</execution>
<execution>
<phase>compile</phase>
<goals>
<goal>jar</goal>
</goals>
<configuration>
<classifier>module</classifier>
<classesDirectory>${project.build.directory}\classes</classesDirectory>
</configuration>
</execution>
</executions>
</plugin>
I would like to combine these two JARs into one using the assembly plugin, currently I have the following:
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.2</version>
<executions>
<!-- Combine all the JARs in the /target folder into one JAR -->
<execution>
<id>make-assembly</id>
<phase>compile</phase>
<goals>
<goal>single</goal>
</goals>
<configuration>
<attach>true</attach>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<finalName>${project.artifactId}-${project.version}</finalName>
<appendAssemblyId>true</appendAssemblyId>
</configuration>
</execution>
</executions>
</plugin>
Currently only one of the two JARS in included in the final JAR that is created by the assembly plugin.
If I understand you correctly, you actually want to merge the jar files into one big jar file. This can be achieved using the maven-shade-plugin (instead of the maven-assembly-plugin).
For example:
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.0</version>
<configuration>
<!-- Put your configuration here, if you need any extra settings.
(You should be okay with the defaults). -->
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
...
</project>

yuicompressor maven plugin and maven-war-plugin

I've been struggling with getting this plugin to play nicely with the maven-war-plugin for a couple of hours now and I thought it was time to ask for help. I have the plugin defined as follows:
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.3.0</version>
<executions>
<execution>
<id>compressyui</id>
<phase>process-resources</phase>
<goals>
<goal>compress</goal>
</goals>
<configuration>
<nosuffix>true</nosuffix>
<warSourceDirectory>${basedir}/WebContent</warSourceDirectory>
<jswarn>false</jswarn>
</configuration>
</execution>
</executions>
</plugin>
If I remove nosuffix=true then I can see the compressed/minified -min.js files get into the war as expected, but with this flag on they are being overwritten by the maven-war-plugin (I'm assuming) when it builds the war file. I really need the file names to remain the same though ... does anyone have an idea of what I need to change in order to use the same filenames and still get the minified versions into the final war?
OK. I finally figured this out. You need to define a <webappDirectory> in the yuicompressor plugin that can then be referenced as a <resource> in the maven-war-plugin. In the example below I'm using <directory>${project.build.directory}/min</directory>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.3.0</version>
<executions>
<execution>
<id>compressyui</id>
<phase>process-resources</phase>
<goals>
<goal>compress</goal>
</goals>
<configuration>
<nosuffix>true</nosuffix>
<warSourceDirectory>${basedir}/WebContent</warSourceDirectory>
<webappDirectory>${project.build.directory}/min</webappDirectory>
<jswarn>false</jswarn>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<executions>
<execution>
<id>default-war</id>
<phase>package</phase>
<goals>
<goal>war</goal>
</goals>
<configuration>
<warSourceDirectory>${basedir}/WebContent</warSourceDirectory>
<encoding>UTF-8</encoding>
</configuration>
</execution>
</executions>
<configuration>
<warSourceDirectory>${basedir}/WebContent</warSourceDirectory>
<encoding>UTF-8</encoding>
<webResources>
<resource>
<directory>${project.build.directory}/min</directory>
</resource>
</webResources>
</configuration>
</plugin>
Just configure 'warSourceExcludes' on the WAR plugin.
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<warSourceExcludes>**/*.css,**/*.js</warSourceExcludes>
</configuration>
</plugin>
I would like to add the configuration which worked for me:
First, to fix m2e complaining about the 'Plugin execution not covered by lifecycle' I added the following in the parent pom taken from this post:
<pluginManagement>
<plugins>
<!--This plugin's configuration is used to store Eclipse
m2e settings only. It has no influence on the Maven build itself. -->
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<versionRange>[1.0.0,)</versionRange>
<goals>
<goal>compress</goal>
</goals>
</pluginExecutionFilter>
<action>
<execute />
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
Then in the war pom I put:
<build>
<plugins>
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.4.0</version>
<executions>
<execution>
<goals>
<goal>compress</goal>
</goals>
<configuration>
<linebreakpos>300</linebreakpos>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
</excludes>
<nosuffix>true</nosuffix>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<warSourceExcludes>**/*.css,**/*.js</warSourceExcludes>
</configuration>
</plugin>
</plugins>
</build>
This generates the minified css and js files in the project build target directory while excluding the original files.
I hope this saves someone time.
this is my configuration, and it works fine in my maven web project:
<!-- js/css compress -->
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.3.2</version>
<configuration>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
</excludes>
<jswarn>false</jswarn>
<nosuffix>true</nosuffix>
</configuration>
<executions>
<execution>
<id>compress_js_css</id>
<phase>process-resources</phase>
<goals>
<goal>compress</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- war -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<webResources>
<resource>
<directory>${project.build.directory}/${project.build.finalName}/resources</directory>
<targetPath>/resources</targetPath>
<filtering>false</filtering>
</resource>
</webResources>
<webXml>src/main/webapp/WEB-INF/web.xml</webXml>
</configuration>
</plugin>
The approach I use is a bit different.
First, I've configured my IDE to run mvn process-resources before the compilation/packaging. This way the files are created before the war is assembled.
It is very important to set <nosuffix>false</nosuffix> and <outputDirectory>${basedir}/src/main/resources/</outputDirectory> so the files can be created in the same directory without replacing your original source files.
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.3.2</version>
<configuration>
<preProcessAggregates>false</preProcessAggregates>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
</excludes>
<jswarn>false</jswarn>
<nosuffix>false</nosuffix> <!-- VERY IMPORTANT WILL REPLACE YOUR FILES IF YOU SET nosuffix TO TRUE OR DONT SET IT AT ALL -->
<outputDirectory>${basedir}/src/main/resources/</outputDirectory> <!-- by default the plugin will copy the minimized version to target directory -->
<failOnWarning>false</failOnWarning>
</configuration>
<executions>
<execution>
<id>compress_js_css</id>
<phase>process-resources</phase>
<goals>
<goal>compress</goal>
</goals>
</execution>
</executions>
</plugin>
As Jakob Kruse say, you must deal with the *.js, but no *.min.js, so my configurations is below, please notice the use of %regex[] :
<plugin>
<groupId>net.alchim31.maven</groupId>
<artifactId>yuicompressor-maven-plugin</artifactId>
<version>1.4.0</version>
<executions>
<execution>
<id>compressyui</id>
<phase>process-resources</phase>
<goals>
<goal>compress</goal>
</goals>
<configuration>
<nosuffix>true</nosuffix>
<warSourceDirectory>${basedir}/WebContent</warSourceDirectory>
<webappDirectory>${project.build.directory}/min</webappDirectory>
<jswarn>false</jswarn>
<excludes>
<exclude>**/*-min.js</exclude>
<exclude>**/*.min.js</exclude>
<exclude>**/*-min.css</exclude>
<exclude>**/*.min.css</exclude>
<exclude>**/jquery.window.js</exclude>
......
<exclude>**/compile.js</exclude>
</excludes>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.4</version>
<configuration>
<warSourceDirectory>WebContent</warSourceDirectory>
<packagingExcludes>servlet-api*.jar,target/test-classes/*</packagingExcludes>
<warSourceExcludes>test/**,%regex[.*(!min).js],%regex[.*(!min).css]</warSourceExcludes>
<webResources>
<resource>
<directory>${project.build.directory}/min</directory>
</resource>
</webResources>
</configuration>
</plugin>
Without pom.xml change
mvn net.alchim31.maven:yuicompressor-maven-plugin:compress
To force compress every js and css files and fail if warning
mvn net.alchim31.maven:yuicompressor-maven-plugin:compress \
-Dmaven.yuicompressor.force=true \
-Dmaven.yuicompressor.failOnWarning=true \
For more options:
http://davidb.github.io/yuicompressor-maven-plugin/usage_compress.html

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