maven-2

we solved this problem by explicitely sepecify the javac in config of compile plugin (with JAVA_HOME_6 and JAVA_HOME_7 defined as environment variables): and for Java 6 module <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.6</source> <target>1.6</target> <showDeprecation>true</showDeprecation> <showWarnings>true</showWarnings> <executable>${env.JAVA_HOME_6}/bin/javac</executable> <fork>true</fork> </configuration> </plugin> and for Java 7 module <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.7</source> <target>1.7</target> <showDeprecation>true</showDeprecation> <showWarnings>true</showWarnings> <executable>${env.JAVA_HOME_7}/bin/javac</executable> <fork>true</fork> </configuration> … Read more

There’s another StackOverflow thread that also covers this topic that you might want to look at. In short, not having to specify the parent version when using inheritance is already being considered. Please go over to JIRA and give it a vote bump to get it more noticed and more likely to be added as … Read more

This is taken from @rvxnet’s answer and an example of why link-only answer are not desirable. I’ve taken this from the 2015-05-20 WaybackMachine version of their link: Official, but not browseable: https://repo1.maven.org/maven2 Others: https://maven.antelink.com/content/repositories/central/ Also, there are official instructions for configuring to use mirrors. Essentially, you add to you settings.xml the something like the following: … Read more

You have to take care of the differences between the parent-child relation and the aggregation concept in Maven2. They are not the same principle, even if they are really often used at the same time. PARENT The first concept is that a project declares in his pom.xml a parent: <project> <modelVersion>4.0.0</modelVersion> <parent> <groupId>foo</groupId> <artifactId>bar</artifactId> <version>42</version> … Read more