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Alexis King
Alexis King

Reputation: 43842

How to compile using -Xlint:unchecked in a Maven project?

In NetBeans 7.2, I'm having trouble finding how to compile using -Xlint:unchecked in a Maven project. Under an Ant project, you can change compiler flags by going to Project Properties -> Compiling, but Maven projects don't seem to have any such option.

Is there any way to configure the IDE to compile with such flags using Maven?

Upvotes: 82

Views: 46072

Answers (4)

Rasheed
Rasheed

Reputation: 1051

This works for me...

<plugins>
    <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.1</version>
        <configuration>
            <source>11</source>
            <target>11</target>
            <compilerArguments>
                <endorseddirs>${endorsed.dir}</endorseddirs>
            </compilerArguments>
            <compilerArgs>
                <arg>-Xlint:unchecked</arg>   <-------this right here ---->
            </compilerArgs>
        </configuration>
    </plugin>
</plugins>

Upvotes: 3

RajV
RajV

Reputation: 7170

I want to elaborate on @Nishant's answer. The compilerArgument tag needs to go inside plugin/configuration tag. Here is a full example:

<plugins>
  <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <version>3.3</version>
    <configuration>
      <source>1.8</source>
      <target>1.8</target>
      <testSource>1.8</testSource>
      <testTarget>1.8</testTarget>
      <compilerArgument>-Xlint:unchecked</compilerArgument>
    </configuration>
  </plugin>
</plugins>

Upvotes: 68

WMayrhofer
WMayrhofer

Reputation: 1

The pom file information is spot on. I had the additional challenge of building someone else's Maven project in Jenkins and not having access to the pom file repository.

I created a pre-build step to insert the compiler parameter into the pom file after downloading it from git, for example

sed -i 's|/target> *$|/target>\n<compilerArgument>\n-Xlint:deprecation\n</compilerArgument>|' $WORKSPACE/pom.xml

Upvotes: -2

Nishant
Nishant

Reputation: 55866

I guess you can set compiler arguments in your pom.xml. Please refer this http://maven.apache.org/plugins/maven-compiler-plugin/examples/pass-compiler-arguments.html

 <compilerArgument>-Xlint:unchecked</compilerArgument>

Upvotes: 98

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