MarwCore Core plugin for MarwLand.cz Spigot-based Minecraft servers. NO_M2ECLIPSE_SUPPORT: Project files created with the maven-eclipse-plugin are not supported in M2Eclipse. org.eclipse.buildship.core.gradleprojectbuilder org.eclipse.jdt.core.javabuilder org.eclipse.m2e.core.maven2Builder org.eclipse.m2e.core.maven2Nature org.eclipse.jdt.core.javanature org.eclipse.buildship.core.gradleprojectnature