What is Maven compiler plugin used for?

What is Maven compiler plugin used for?

The compiler plugin is used to compile the source code of a Maven project. This plugin has two goals, which are already bound to specific phases of the default lifecycle: compile – compile main source files. testCompile – compile test source files.

Does Maven require compiler plugin?

It works fine for small and non-serious projects. However, the best practice is to define these plugins in a company-wise POM and so that when you upgrade maven, you would not end up using a different version of plugin. The Compiler Plugin has two goals.

What are the different types of plugins in Maven?

Introduction. In Maven, there are two kinds of plugins, build and reporting: Build plugins are executed during the build and configured in the element. Reporting plugins are executed during the site generation and configured in the element.

How do I debug a Maven compiler plugin?

  1. Select the module you want to debug when building.
  2. Right-click to open the context menu, and select Properties .
  3. Select the Actions category.
  4. Then select the Clean and build project Action.
  5. Under the Set Properties section, select Add > Debug Maven Build .
  6. Click the OK button to close and save your settings.

Why do we need maven?

Maven provides project information (log document, dependency list, unit test reports etc.) Maven is very helpful for a project while updating central repository of JARs and other dependencies. With the help of Maven we can build any number of projects into output types like the JAR, WAR etc without doing any scripting.

Which Java compiler does Maven use?

The default Java compiler version used by Maven is Java 1.5 . Why that is still the default Java compiler version is a good question, since Java 5 was released in 2004.

Where do I put maven compiler plugin in POM XML?

You should specify the version in your project’s plugin configuration:

  1. org. apache. maven. plugins
  2. maven-compiler-plugin

How maven compile and run Java program?

In this section, you learn how to package and run the Java SE project using the Maven CLI.

  1. Navigate to the directory where you installed Maven, and open the settings.
  2. Clean and package the files, plug-ins, and libraries before running the application:
  3. Use the Maven Local repository to run your Java SE Maven application:

What is option in Maven?

While the most popular way to run Maven is to specify goals, Maven provides a number of command-line options to customize its behavior. They range from specifying values for properties, to varying the verbosity of the Maven output.

Is Maven a compiler?

The Compiler Plugin is used to compile the sources of your project. Since 3.0, the default compiler is javax. tools.

What is Maven clean plugin?

The Maven Clean Plugin, as the name implies, attempts to clean the files and directories generated by Maven during its build. While there are plugins that generate additional files, the Clean Plugin assumes that these files are generated inside the target directory.

What is Maven compiler version?

The default Java compiler version used by Maven is Java 1.5 . To make Maven compile your Java code with a newer version of the Java compiler, you need to specify the Java compiler explicitly in your project’s POM file ( pom. xml ).

Do you need to specify version of Maven compiler plugin?

Since the Compiler Plugin executes automatically during their phases, you don’t have to put executions unlike many other plugins. However, you should specify the version of the Compiler Plugin. … Note: Maven 3.0 will issue warnings if you do not specify the version of a plugin.

What is the use of’fork’and’executable’options in Maven compiler plugin?

: Allows running the compiler in a separate process. If false it uses the built in compiler, while if true it will use an executable. If is omitted and true is set, the maven-compiler-plugin will chose the JAVA_HOME/bin/javac binary.

How to force javac plugin to run in Maven?

If you want to force the plugin using javac, you must configure the plugin option forceJavacCompilerUse. Also note that at present the default source setting is 1.6 and the default target setting is 1.6, independently of the JDK you run Maven with.

Can a compiler plugin be used in javac?

The javac can accept such command using -source and -target. The Compiler Plugin can also be configured to provide these options during compilation.