java.io.FileNotFoundException: /export/hudson/home/NetBeansProjects/Welcome_7/nbproject/Makefile-variables.mk (No such file or directory)
   at java.io.FileOutputStream.open(FileOutputStream.java:0)
   at java.io.FileOutputStream.<init>(FileOutputStream.java:179)
   at java.io.FileOutputStream.<init>(FileOutputStream.java:70)
   at org.netbeans.modules.cnd.makeproject.configurations.ConfigurationMakefileWriter.writeMakefileVariables(ConfigurationMakefileWriter.java:1408)
   at org.netbeans.modules.cnd.makeproject.configurations.ConfigurationMakefileWriter.write(ConfigurationMakefileWriter.java:133)
   at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor.saveWorker(MakeConfigurationDescriptor.java:826)
   at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor.access$200(MakeConfigurationDescriptor.java:113)
   at org.netbeans.modules.cnd.makeproject.api.configurations.MakeConfigurationDescriptor$SaveRunnable.run(MakeConfigurationDescriptor.java:749)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg$WindowAdapterImpl$1.runImpl(ModalMessageDlg.java:265)
   at org.netbeans.modules.cnd.utils.NamedRunnable.run(NamedRunnable.java:62)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)