diff -Nru /tmp/hsqldb-2.2.8.vanilla/build/build.xml ./build/build.xml
--- /tmp/hsqldb-2.2.8.vanilla/build/build.xml	2012-07-02 16:42:59.721152722 +0300
+++ ./build/build.xml	2012-07-02 16:44:32.190990219 +0300
@@ -57,7 +57,7 @@
    <property name="build.optimize" value="false"/>
    <!-- N.b. Compilation optimization only has effect with JDK 1.1 and 1.2 -->
 
-   <property name="servletapi.lib" value="lib/servlet-2_3-fcs-classfiles.zip"/>
+   <property name="servletapi.lib" value="lib/servlet.jar"/>
    <property name="junit38.lib" value="lib/junit.jar"/>
    <property name='jflex.lib' value='lib/JFlex.jar'/>