1.7, 1.8, 1.9, or 1.10 Error in Maven Construct? Answer

In case you are constructing your Java venture utilizing Maven, perhaps in Eclipse or from the command immediate by working mvn set up and your construct is failing with an error like “invalid goal launch: 1.7” or “invalid goal launch: 1.8” then you’ve come to the correct place. On this article, I will present you the rationale why this error happens and how one can take care of these errors even with larger Java variations like Java 9, 10 put in in your machine, or perhaps with Java 11 within the coming month. The foundation explanation for the issue is that you’ve specified a larger Java model in your pom.xml file for the Maven compiler plugin than what Maven is aware of in your system, and that is why it is saying invalid goal launch.

A easy resolution to this downside is both scale back your goal model in pom.xml or set up a brand new Java model if you wish to construct your venture in the next model

However, the key to fixing this downside is figuring out that Maven picks the Java model from the JAVA_HOME variable and never from the PATH setting variable. 

This implies even you probably have JDK 8 put in but when your JAVA_HOME remains to be referring to JDK 1.7 then you’re going to get this error.

Fortunately, you’ll find out that, I imply which model of Java your Maven is utilizing. Simply run the mvn -version command from the command immediate and it’ll print the worth of the JAVA_HOME variable and ensure which model of JDK it’s utilizing to construct your venture.

Btw, in case you are beginning with Java and Maven and never aware of basic ideas like PATH, CLASSPATH, JAVA_HOME, and many others, I recommend you to those free Java programs to study extra these and the way Java works usually, and if you wish to study Maven or simply refresh the fundamental ideas, these free Maven Course is a pleasant course to begin with.

Invalid goal launch: 1.7 

Not too long ago I used to be constructing a Java venture utilizing Maven on my previous machine once I encountered this error. I assumed I’ve the newest Java model which I had and that is why I used to be shocked by this error.

Here’s what my Maven pom.xml seems to be like:

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<model>3.0</model>
<configuration>
<supply>1.7</supply>
<goal>1.7</goal>
<encoding>UTF-8</encoding>
</configuration>
</plugin>

Right here is an instance output of mvn -version:

$ mvn -version
Apache Maven 3.2.3 (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4; 2014-08-12T04:58:10+08:00
Maven dwelling: C:apache-maven-3.2.3
Java model: 1.6.0_37, vendor: Solar Microsystems Inc.
Java dwelling: C:jdk1.6.0_37jre
Default locale: en_US, platform encoding: Cp1252
OS title: "home windows 7", model: "6.1", arch: "x86", household: "home windows"

You may see that Maven in my machine was utilizing JDK 1.6.0_37 and that is why once I was constructing my Maven venture with JDK 1.7 because the goal it was failing.

As soon as I up to date the pom.xml to make use of goal 1.6 the construct was began working.

As a result of Java 7 was not required for my venture, I simply needed to change the Maven compile plugin as follows:

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<model>3.0</model>
<configuration>
<supply>1.6</supply>
<goal>1.6</goal>
<encoding>UTF-8</encoding>
</configuration>
</plugin>

However, if you need to construct your Java venture with JDK 1.7 then simply set up and replace your JAVA_HOME variable and this error will go away.

This resolution is very nice as you possibly can clear up the issue instantly. Btw, if you wish to find out about Maven itself, I recommend you check out these finest Apache Maven programs for Java builders, one of many higher programs to begin with Maven.

Invalid goal launch: 1.8

This error comes in case your maven compiler plugin has <goal>1.8</goal> however the JAVA_HOME variable in your machine is referring to a Java model that’s decrease than JDK 1.8 e.g. JDK 1.6 or JDK 1.7.

The Maven file initially may appear to be this:

<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<model>3.0</model>
<configuration>
<supply>1.8</supply>
<goal>1.8</goal>
<encoding>UTF-8</encoding>
</configuration>
</plugin>

With a view to clear up this error both change your goal to match with the Java model, your JAVA_HOME variable is referring to or set up a brand new JDK and up to date the JAVA_HOME variable.

If you do not know then see this text to seek out out actual steps to vary the worth of the JAVA_HOME setting variable in Home windows and Linux.

Btw, In case you are working in a restricted setting like in an enormous firm the place Software program is deployed mechanically and may’t add or edit an setting variable, you possibly can nonetheless change them within the native shell as proven in my earlier article The best way to set a particular Java model for Maven in Home windows.

Invalid goal launch: 1.9

This error will come in case your maven compiler plugin has <goal>1.9</goal> however JAVA_HOME variable in your machine is referring to a Java model which is decrease than JDK 1.9 like JDK 1.8 or JDK 1.7.

As defined within the earlier part both change the goal into pom.xml or set up a brand new JDK and up to date the JAVA_HOME setting variable to level out new JDK bin listing.

Since Maven makes use of JAVA_HOME, it is not going to clear up the issue till you replace this setting variable, even you probably have put in the right model of Java.

Equally, you’re going to get an Invalid goal launch: 1.10 when you compile utilizing <goal>1.10</goal> and your JAVA_HOME is referring to JDK 9 or JDK 8.

Now you possibly can generalize this downside and clear up relying upon which model of Java you’ve laid out in your pom.xml and which model of Java is put in in your machine and referred by the JAVA_HOME setting variable.

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• The best way to set a particular Java model for Maven (tutorial)

Thanks for studying this text to this point. In the event you handle to unravel your downside by following the following tips then please share with your pals and colleagues. In case you are nonetheless going through points then please drop a notice and we could possibly clear up your downside collectively.