org.eclipse.jdt.core.ecj.validation org.eclipse.jdt.core.javabuilder org.eclipse.jdt.core.javanature batch 2 $%257BPARENT-1-PROJECT_LOC%257D/org.eclipse.jdt.core/batch compiler 2 $%257BPARENT-1-PROJECT_LOC%257D/org.eclipse.jdt.core/compiler