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This happens in dbxtool when Debug->DebugExecutable is issued. Basically makes dbxtool be DOA. java.lang.NullPointerException at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfiguration.fixupMasterLinks(MakeConfiguration.java:465) at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfiguration.copy(MakeConfiguration.java:451) at com.sun.tools.debugger.dbxgui.debugger.debugtarget.DebugTarget.cloneRecord(DebugTarget.java:259) at com.sun.tools.debugger.dbxgui.debugger.debugtarget.DebugTargetPanel.<init>(DebugTargetPanel.java:145) at com.sun.tools.debugger.dbxgui.debugger.debugtarget.DebugTargetChooser.<init>(DebugTargetChooser.java:45) at com.sun.tools.debugger.dbxgui.debugger.actions.DebugExecutableNodeAction.perform(DebugExecutableNodeAction.java:131) at com.sun.tools.debugger.dbxgui.debugger.actions.DebugExecutableNodeAction.performAction(DebugExecutableNodeActio
MakeConfiguration was called with a base dir that is a valid directory but doesn't contain a project. The MakeConfiguration used in this case is 'hand crafted' in dbxgui and it not clear whether base dir is correct and project just hasn't been created yet or base dir is incorrect. In any case, I added an extra null check in MakeConfiguration.fixupMasterLinks.
This fix helps. dbxtool is now much more on it's feet.
Integrated into 'main-golden', will be available in build *200909220201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/60390684c8a4 User: Thomas Preisler <thp@netbeans.org> Log: #172628 NPE in MakeConfiguration.fixupMasterLinks()