maven-compiler-plugin uses 1.7. plugin versions inside <pluginManagement> in parent pom
First running build after switch to jdk 7
Remove debug code. Step back from GWT 2.5.1 to 2.5.0
Switch to java7
Restored source path references of processor plugin
Switch to java7 with processor plugin 2.0.7.2-redhat
Working java7 switch with processor plugin 2.1.1
Working java7 switch with processor plugin 2.1.1 (removed custom attributes)
Finally successful switch to java7
Switch to java7
Remove merge markers
processor 2.2.0-SNAPSHOT and reference to sonatype release. see http://code.google.com/p/maven-annotation-plugin/issues/detail?id=50