How to use maven plugin in profile in settings.xml - java

I try to make a default profile which is stored in the settings.xml and can be called by mvn clean install -Pmy-profile. I can not put it in the local pom.xml.
My profile looks like this:
<profile>
<id>check-release</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>3.0.0-M2</version>
<executions>
<execution>
<id>enforce-no-snapshots</id>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<requireReleaseVersion>
<message>No Snapshots Allowed!</message>
</requireReleaseVersion>
</rules>
<fail>true</fail>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
But I got:
[WARNING] Some problems were encountered while building the effective settings
[WARNING] Unrecognised tag: 'build'
and the plugin seems not to do what I want. What am I doing wrong?

Following khmarbaise's comment see Settings Reference – Profiles:
The profile element in the settings.xml is a truncated version of the pom.xml profile element. It consists of the activation, repositories, pluginRepositories and properties elements. The profile elements only include these four elements [...]

Related

Fail Maven build if Maven property is not aligned to convention

Maven properties in pom.xml of Java repos have to be aligned to some convention for CI processes to work correctly.
For example:
<app-name.prop-name-version>X.X.X.X</app-name-version.prop-name-version>
Is there a way to fail maven builds if maven property is not aligned to convention?
I thought about developing maven plugin from scratch, but is there another way?
Maven Enforcer Plugin exactly does what you need. That has a lot of built-in rules like Require Property
According the documentation this rule can enforce the declared property is set and optionally fits for a regex rule.
<project>
[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>3.0.0-M3</version>
<executions>
<execution>
<id>enforce-property</id>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<requireProperty>
<property>app-name.prop-name-version</property>
<message>"Project version must be specified."</message>
<regex>.*[...]$</regex>
<regexMessage>"Invalid format."</regexMessage>
</requireProperty>
</rules>
<fail>true</fail>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
[...]
</project>

Configuring the maven java-docs plugin for multi module projects(Aggregate)

I would like to set up the maven java-docs plugin in my project to create an aggregated report that includes only some classes from some of the modules and output the report to a folder of choice.
I have already tried to work with the Maven documentation here however whats indicated there does not seem to work for me.
I have tried the following configuration in the past and ran it as:
mvn javadoc:javadoc, or even javadoc:aggregate with the following parent/child pom configurations:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.1.0</version>
<inherited>false</inherited>
<configuration>
<!-- Default configuration for all reports -->
</configuration>
<executions>
<execution>
<id>aggregate</id>
<goals>
<goal>aggregate</goal>
</goals>
<phase>package</phase>
<configuration>
</configuration>
</execution>
</executions>
</plugin>
I have used something like this in the past:
parent pom.xml
<pluginManagement>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
</pluginManagement>
...
<build>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<!-- Default configuration for all reports -->
</configuration>
<executions>
<execution>
<id>aggregate</id>
<goals>
<goal>aggregate</goal>
</goals>
<phase>site</phase>
<configuration>
<skip>false</skip>
</configuration>
</execution>
</executions>
</plugin>
</build>
Desired child module pom.xml
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<configuration>
<skip>false</skip>
<noqualifier>all</noqualifier>
<sourceFileIncludes>
<include>**\/\Class1.java</include>
<include>**\/\Class2.java</include>
<include>**\/\Interface3.java</include>
<include>**\/\Class4.java</include>
</sourceFileIncludes>
<reportOutputDirectory>${project.parent.basedir}/..</reportOutputDirectory>
<destDir>java-docs</destDir>
</configuration>
</plugin>
</plugins>
</build>
This configuration works fine if I am only generating from one single module, however once another child module is picked and configured as the one shown before, running mvn javadoc:aggregate continues to generate the docs for module 1 only, and module 2 gets ignored(or maybe even overriden)
Has anyone worked with a similar scenario, a multi module project structured like so:
ParentFolder
. . . module1
pom.xml
. . . module3
pom.xml
. . . module4
pom.xml
pom.xml
and have succeeded generating an aggregated java docs report using the maven java docs plugin, while excluding some classes and outputting the results to a folder of their choice?
Any help with this would be greatly appreciated!
Do you have one parent POM that contains both plugin config for the child POMs, and module definitions? If so, you may want to consider separating this POM into a separate aggregator (module definitions) and parent (anything else in the current POM that should be shared with children).
This answer goes into a lot more detail about Maven build order and why the behavior occurs.
The aggregator POM will also hold the configuration for child module data that should be aggregated, such as Javadoc.

Prevent maven module from being built with no activated profile

I have a multi-module maven project with parent POM. One child of project is customized for different environments by profiles and parent pom also build needed modules depending on selected environment (profile).
I want to prevent building (read as "to run mvn package" in child module) customized child project without profile activated, because there is no "generic" or "default" version for environment. Another words, I want to force developer to use environment-dependent profile.
Is it possible to do so?
Maven Enforcer is made just for this requirement. Simply add the required profiles.
<project>
[...]
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-enforcer-plugin</artifactId>
<version>1.4</version>
<executions>
<execution>
<id>enforce-all-profiles-are-activated</id>
<goals>
<goal>enforce</goal>
</goals>
<configuration>
<rules>
<requireActiveProfile>
<profiles>first,second</profiles>
</requireActiveProfile>
</rules>
<fail>true</fail>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
[...]
</project>

JavaDoc will not publish on jenkins

I have an aggregator project built in jenkins and I want to publish javadocs. So I installed javadoc plugin and changed my parent pom as follows:
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.9.1</version>
<configuration>
<aggregate>true</aggregate>
<outputDirectory>${project.build.directory}/apidocs</outputDirectory>
</configuration>
I tried different configurations but this is the only one that won't fail the build. With this configuration the build doesn't fail but no javadocs are to be found. Am I missing something here? Does anyone has the same problem?
First you should use the aggregate goal instead of the parameter cause it's marked deprecated.
Furthermore you should configure javadoc plugin like the following in your root pom like this:
<project>
...
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.9.1</version>
<configuration>
<!-- Default configuration for all reports -->
...
</configuration>
<executions>
<execution>
<id>aggregate</id>
<goals>
<goal>aggregate</goal>
</goals>
<phase>package</phase>
<configuration>
<!-- Specific configuration for the aggregate report -->
...
</configuration>
</execution>
...
</executions>
</plugin>
...
</plugins>
</build>
...
</project>
Afterwards you should be able just by:
mvn clean package
This will result in a folder in the root target/apidoc which contains the created aggregated javadocs.
I found a way to publish the javadocs as .jar. I used the above pom configuration with the small change:
<id>attach-javadocs</id>
<goals>
<goal>jar</goal>
</goals>
It publishes javadocs as .jars for every sub-module. The javadocs are to be found in the sub-module directory not in the parent directory.

How to configure TSA argument only on release in maven-jarsigner-plugin

Adding a timestamp to our jar's causes our maven build to take ~4 times longer than usual. Timestamp is necessary for release builds, but we don't need it for snapshot builds. How would we configure the POM file to only add the TSA arguments when it is a Release version (i.e. SNAPSHOT does not appear in the project version).
Below is our POM entry for the jarsigner plugin. Note the arguments added at the bottom. We would like these to not be added if SNAPSHOT appears in the project version:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jarsigner-plugin</artifactId>
<version>1.2</version>
<executions>
<execution>
<id>sign webcontent jars</id>
<phase>prepare-package</phase>
<goals>
<goal>sign</goal>
</goals>
</execution>
</executions>
<configuration>
<archiveDirectory>${project.build.directory}/projectname-webcontent/applets</archiveDirectory>
<includes>
<include>*.jar</include>
</includes>
<keystore>Keystore</keystore>
<alias>alias</alias>
<storepass>pass</storepass>
<arguments>
<argument>-tsa</argument>
<argument>https://timestamp.geotrust.com/tsa</argument>
</arguments>
</configuration>
</plugin>
Assuming you are using the maven release plugin for your releases, you can accomplish this by piggy-backing off the release profile that it activates.
You could also do this with your own custom profiles if you prefer or are not using the release plugin to do your releases.
In your pom, you would include:
<profiles>
<profile>
<id>release-profile</id>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jarsigner-plugin</artifactId>
...
<!-- Put your configuration with the TSA here -->
</plugin>
</profile>
</profiles>
Now omit the TSA argument stuff in the normal portion of your build/plugin configuration for the jarsigner. If you happen to want the TSA with a snapshot for some reason you can manually activate the release profile using:
mvn -Prelease-profile install

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