private void endClassPath() {
    String classpath = popString();
    CacheServerConfig server = (CacheServerConfig) stack.peek();
    server.setClassPath(classpath);
  }
We assume that there is a <code>ManagedEntityConfig</code> on top of the stack.
geode-core/src/main/java/org/apache/geode/admin/internal/ManagedEntityConfigXmlParser.java