JDK 7 still uses signtool.exe, the usage of that has been removed in jdk 6u10. xpi is no longer being signed for 6u10. This needs to be removed.
C:/mksnt/cat install.js | C:/mksnt/sed -e "s/JDKMAJOR/1/g" | C:/mksnt/sed -e "s\/JDKMINOR/7/g" | C:/mksnt/sed -e "s/JDKMICRO/0/g" | C:/mksnt/sed -e "s/JDKUPDAT\E//g" | C:/mksnt/sed -e "s/MILESTONE/-ea/g" | C:/mksnt/sed -e "s/PLATFORM/windo\ws/g" | C:/mksnt/sed -e "s/ARCH/i586/g" | C:/mksnt/sed -e "s@###@###.###\-ea-b58@g" | C:/mksnt/sed -e "s@DEFAULTXML@http://java.sun.com/update/1.7.0/1.7\.0-ea-b58.xml@g" | C:/mksnt/sed -e "s/INSTALLMETHOD/xpi/g" > C:/BUILD_AREA/jdk7\/build/windows-i586/tmp/xpi/regular/install.js
"C:/utils/signtool/signtool.exe" -d "C:/utils/certdir" -k "sun microsystems, in\c's VeriSign, Inc. ID" -p "" C:/BUILD_AREA/jdk7/build/windows-i586/tmp/xpi/regu\lar
using certificate directory: C:/utils/certdir
Generating C:/BUILD_AREA/jdk7/build/windows-i586/tmp/xpi/regular/META-INF/manif\est.mf file..
--> install.js
--> jinstall.exe
Generating zigbert.sf file..
signtool: PROBLEM signing data (Expired certificate)
the tree "C:/BUILD_AREA/jdk7/build/windows-i586/tmp/xpi/regular" was NOT SUCCES\SFULLY SIGNED
[1] + Done(134) ?
1856 Abort C:/utils/signtool/signtool.exe
gnumake[5]: *** [xpi] Error 134
C:/mksnt/cat install.js | C:/mksnt/sed -e "s/JDKMAJOR/1/g" | C:/mksnt/sed -e "s\/JDKMINOR/7/g" | C:/mksnt/sed -e "s/JDKMICRO/0/g" | C:/mksnt/sed -e "s/JDKUPDAT\E//g" | C:/mksnt/sed -e "s/MILESTONE/-ea/g" | C:/mksnt/sed -e "s/PLATFORM/windo\ws/g" | C:/mksnt/sed -e "s/ARCH/i586/g" | C:/mksnt/sed -e "s@###@###.###\-ea-b58@g" | C:/mksnt/sed -e "s@DEFAULTXML@http://java.sun.com/update/1.7.0/1.7\.0-ea-b58.xml@g" | C:/mksnt/sed -e "s/INSTALLMETHOD/xpi/g" > C:/BUILD_AREA/jdk7\/build/windows-i586/tmp/xpi/regular/install.js
"C:/utils/signtool/signtool.exe" -d "C:/utils/certdir" -k "sun microsystems, in\c's VeriSign, Inc. ID" -p "" C:/BUILD_AREA/jdk7/build/windows-i586/tmp/xpi/regu\lar
using certificate directory: C:/utils/certdir
Generating C:/BUILD_AREA/jdk7/build/windows-i586/tmp/xpi/regular/META-INF/manif\est.mf file..
--> install.js
--> jinstall.exe
Generating zigbert.sf file..
signtool: PROBLEM signing data (Expired certificate)
the tree "C:/BUILD_AREA/jdk7/build/windows-i586/tmp/xpi/regular" was NOT SUCCES\SFULLY SIGNED
[1] + Done(134) ?
1856 Abort C:/utils/signtool/signtool.exe
gnumake[5]: *** [xpi] Error 134