Only in apache-tomcat-6.0.14-src: build
diff -u -r apache-tomcat-6.0.14-src.orig/java/org/apache/tomcat/util/net/jsse/JSSESocketFactory.java apache-tomcat-6.0.14-src/java/org/apache/tomcat/util/net/jsse/JSSESocketFactory.java
--- apache-tomcat-6.0.14-src.orig/java/org/apache/tomcat/util/net/jsse/JSSESocketFactory.java	2007-07-20 05:21:24.000000000 +0200
+++ apache-tomcat-6.0.14-src/java/org/apache/tomcat/util/net/jsse/JSSESocketFactory.java	2008-01-14 12:46:08.296875000 +0100
@@ -283,6 +283,9 @@
             log.debug("TrustPass = " + trustStorePassword);
         }
         String truststoreType = (String)attributes.get("truststoreType");
+        if( truststoreType == null) {
+            truststoreType = System.getProperty("javax.net.ssl.trustStoreType");
+        }
         if(truststoreType == null) {
             truststoreType = keystoreType;
         }