Hi all,
I use Eclipse Ganymede and I start it with Java 6. I've installed the maven
plugin.
But I configure a project with JRE of Java 1.4.2. As I run any maven command
such as "mvn clean" or "mvn install", I got exception as follow. But as I
change the JRE to Java 1.5, it's OK. But I do want to create project in Java
1.4. Any idea?
java.lang.UnsupportedClassVersionError:
org/apache/maven/artifact/resolver/AbstractArtifactResolutionException
(Unsupported major.minor version 49.0)
at java.lang.ClassLoader.defineClass0(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:539)
at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:251)
at java.net.URLClassLoader.access$100(URLClassLoader.java:55)
at java.net.URLClassLoader$1.run(URLClassLoader.java:194)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:187)
at java.lang.ClassLoader.loadClass(ClassLoader.java:289)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:274)
at java.lang.ClassLoader.loadClass(ClassLoader.java:235)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
at
org.apache.maven.cli.MavenCli.buildEmbedderConfiguration(MavenCli.java:204)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:63)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:52)
Exception in thread "main"
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