windows-i586 build fails in hotspot saclasses generation

windows-i586 build fails in hotspot saclasses generation, twice in a couple of days.

Portion of the log file, rest is in an attachment.


   Creating library sawindbg.lib and object sawindbg.exp
...Building sa-jdi.jar
...C:\jdk1.6.0\bin\javac -source 1.4 -classpath C:\jdk1.6.0\lib\tools.jar -g -d ..\generated\saclasses ....
        C:\jdk1.6.0\bin\rmic -classpath ..\generated\saclasses -d ..\generated\saclasses sun.jvm.hotspot.de
bugger.remote.RemoteDebuggerServer
         echo sun.jvm.hotspot.runtime.VM.saBuildVersion=14.0-b13> ..\generated\saclasses\sa.properties
         rm -f ..\generated\saclasses/sun/jvm/hotspot/utilities/soql/sa.js
         cp C:\BUILD_AREA\jdk6_14\hotspot/agent/src/share/classes/sun/jvm/hotspot/utilities/soql/sa.js ..\g
enerated\saclasses/sun/jvm/hotspot/utilities/soql
         rm -rf ..\generated\saclasses/sun/jvm/hotspot/ui/resources
         mkdir ..\generated\saclasses\sun\jvm\hotspot\ui\resources
         cp C:\BUILD_AREA\jdk6_14\hotspot/agent/src/share/classes/sun/jvm/hotspot/ui/resources/*.png ..\gen
erated\saclasses/sun/jvm/hotspot/ui/resources
         cp -r C:\BUILD_AREA\jdk6_14\hotspot/agent/src/share/classes/images/* ..\generated\saclasses
        C:\jdk1.6.0\bin\jar cf ..\generated\sa-jdi.jar -C saclasses .
saclasses\. : no such file or directory
NMAKE : fatal error U1077: 'C:\jdk1.6.0\bin\jar' : return code '0x1'
Stop.
NMAKE : fatal error U1077: 'cd' : return code '0x2'
Stop.
NMAKE : fatal error U1077: 'C:\PROGRA~1\MICROS~1.NET\VC7\BIN\nmake.exe' : return code '0x2'
Stop.
gnumake[2]: *** [generic_build2] Error 2
gnumake[2]: Leaving directory `C:/BUILD_AREA/jdk6_14/hotspot/make'
gnumake[1]: *** [product] Error 2
gnumake[1]: Leaving directory `C:/BUILD_AREA/jdk6_14/hotspot/make'
gnumake: *** [hotspot-build] Error 2
## Windows IA 32-bit local build finished on jb6-win-i586