Builds, tests, and runs the project pluglet. Conditions for compilation have not been met. Have you verified that the property browser.bin.dir has been set to the binary directory of the host browser in the pluglet.properties file? The current value of this property is: ${browser.bin.dir} and this directory must contain the file ${so.prefix}xpcom.${so.extension}. Have you verified that the property jdkhome.nospaces has been set to the installation of the JDK, in the pluglet.properties file, and that the path to this directory has no spaces? The current value of this property is: ${jdkhome.nospaces}.