Would it be more "efficient" to do this instead?

-    /** Node identifier when in a cluster. Defaults to the empty string. */
-    private String jvmRoute = "";
+    /** Node identifier when in a cluster.  */
+    private String jvmRoute = null;
...
     public void setJvmRoute(String jvmRoute) {
        if (jvmRoute!=null&&jvmRoute.length()==0) {
            jvmRoute=null;
        }
         this.jvmRoute = jvmRoute;
     }


-Tim

On 3/30/2011 7:09 PM, ma...@apache.org wrote:
Author: markt
Date: Wed Mar 30 23:09:10 2011
New Revision: 1087128

URL: http://svn.apache.org/viewvc?rev=1087128&view=rev
Log:
Don't append the jvmRoute to a session ID if the jvmRoute is a zero length 
string.

Modified:
     tomcat/trunk/java/org/apache/catalina/util/SessionIdGenerator.java
     tomcat/trunk/webapps/docs/changelog.xml

Modified: tomcat/trunk/java/org/apache/catalina/util/SessionIdGenerator.java
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/util/SessionIdGenerator.java?rev=1087128&r1=1087127&r2=1087128&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/util/SessionIdGenerator.java 
(original)
+++ tomcat/trunk/java/org/apache/catalina/util/SessionIdGenerator.java Wed Mar 
30 23:09:10 2011
@@ -168,7 +168,7 @@ public class SessionIdGenerator {
              }
          }

-        if (jvmRoute != null) {
+        if (jvmRoute != null&&  jvmRoute.length()>  0) {
              buffer.append('.').append(jvmRoute);
          }


Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: 
http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1087128&r1=1087127&r2=1087128&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Wed Mar 30 23:09:10 2011
@@ -128,6 +128,10 @@
          name ending in<code>.jar</code>  to be treated as an expanded JAR file
          by the default JarScanner. Based on patch by Rodion Zhitomirsky. 
(markt)
        </fix>
+<fix>
+        Don&apos;t append the jvmRoute to a session ID if the jvmRoute is a 
zero
+        length string. (markt)
+</fix>
      </changelog>
    </subsection>
    <subsection name="Coyote">


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