Example
protected void doGet(HttpServletRequest arg0, HttpServletResponse arg1) throws IOException {
FileOutputStream fOS = FileUtility.getFileOutputStream(FileUtility.getFileName());
JarOutputStream jarOS = new JarOutputStream(fOS);
jarOS.putNextEntry(new JarEntry("foo"));
jarOS.putNextEntry(new JarEntry("foo2"));
jarOS.putNextEntry(new JarEntry("foo3"));
jarOS.close();
fOS.close();
}
Solution
If artifacts need to be JAR-ed, JAR them either before the application starts or offline in a batch job.