Maven specify java version
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I have and specified in my pom file as 1. In this example, we compile our application for Java 7. And if you want to compile source to a newer version, you need to set , , , , and on the compiler plugin, and set on the surefire plugin. On Windows you can omit the single quotes on Linux they are necessary to prevent expansion through the shell.
But starting with Maven 3. I don't know Ubuntu, but I guess it sets this variable on its own as other Linux systems as mine do anyway. And mvn help:effective-pom -Prelease to check the effective pom.
And now for the story. This is used when wagon needs extra authentication information. However, you also need to set fork to true for this to work. In the future I might write a post about using Maven to build modules, but I want to get more real-life experience with that before writing about it. The default Java compiler version used by Maven is Java 1. For Java 8 and below : Neither maven. The first attempt is pretty straight forward: org. On Windows you can omit the single quotes on Linux they are necessary to prevent expansion through the shell. Use the Compiler Plugin We can specify the desired Java version in the. Hello friends, today the scope of our discussion would be related to configuring Maven project and cross-compilation feature of Java. I have the same problem.
Maven - The first attempt is pretty straight forward: org. The -target argument for the Java compiler.
I have this project made of multiple jars and war to make an ear. I build everything in snapshot and it works great. Then I made a release for every single project and saw that the jars and the war were slightly different in size than the snapshot ones. Comparing file to file I realized that the. I force compilation to use java 1. If so can I make the release plugin compile in 1. And if you want to compile source to a newer version, you need to set, and on the compiler plugin, and set on the surefire plugin. And now for the story. I ran into the same problem. It turns out that compiling a previous version may not be as easy as setting and. My specific case is that I have a Java 1. When I tried to compile it, the compiler gave me an error message stating that I had not implemented the interface method. Anyway, I tried setting the compiler plugin: org. The message starting with -d is the actual full compile argument list. If the second step is not taken, javac will dutifully use the old language rules combined with new libraries, which can result in maven specify java version files that do not work on the older platform since references to non-existent methods can get included. Now just run your build and go grab a cold beer while it chugs away. I had to include jce. Instead of running maven with java 7 compiling for java 6, I ran maven with java 6 compiling for java 7. The first attempt is pretty straight forward: org. So back to the compiler plugin, there is actually describing what needs to be done. Namely, you need to off a new process using the java 7. So now I think I'm all set. Time to fire up the build. StupidTest : Unsup ported major. A closer look tells us its the maven-surefire-plugin that is failing. So I try just mvn compile and sure enough I get a success as the surefire plugin never fired up. So I run mvn -X package and notice this gem: Maven specify java version command line: cmd. The documentation for surefire gives this: jvm: Option to specify the jvm or path to the java executable to use with the maven specify java version options. So setting this option appropriately: org. I am building with a target of Java 6 and if I set bootclasspath in my pom. When I remove compilerArguments and only keep source and target, my build does not fail. That's the exact opposite of this answer. Then use this table: major minor Java platform version 45 3 1. Could it be that the release plugin is compiling in 1. The Maven Release Plugin doesn't compile anything, it just triggers a phase that will itself trigger the compile phase and the Maven Compiler Plugin. In other words, the Maven Compiler Plugin and its settings will be used. You can use the following commands to control what is happening exactly: mvn help:active-profiles -Prelease to check profiles. And mvn help:effective-pom -Prelease to check the effective pom. I have the same problem. I have and specified in my pom file as 1. When I run mvn package I get a success. However, when I run mvn release:prepare it fails with TunneledDataSourceWrapper. To ensure it picks up the correct version specify the properties.
