Hi,
I just did an upgrade from Alfresco Community 3.2 to 3.2r and I've exactly the same problem :
An error has occured in the Share component: /share/service/components/dashlets/rssfeed.
It responded with a status of 500 - Internal Error.
Error Code Information: 500 - An error inside the HTTP server which prevented it from fulfilling the request.
Error Message: 02030015 Failed to load script '/org/alfresco/components/dashlets/rssfeed.get.js (in classpath store file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts)': 02030014 TypeError: Cannot read property "localName" from null (file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts/org/alfresco/components/dashlets/rssfeed.get.js#37)
Server: Alfresco Community v3.2.0 (r2 2440) schema 3,300
Time: Mar 3, 2010 5:52:31 PM
Click here to view full technical information on the error.
Exception: org.mozilla.javascript.EcmaError - TypeError: Cannot read property "localName" from null (file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts/org/alfresco/components/dashlets/rssfeed.get.js#37)
org.mozilla.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3350)
org.mozilla.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3340)
org.mozilla.javascript.ScriptRuntime.typeError(ScriptRuntime.java:3356)
org.mozilla.javascript.ScriptRuntime.typeError2(ScriptRuntime.java:3375)
org.mozilla.javascript.ScriptRuntime.undefReadError(ScriptRuntime.java:3388)
org.mozilla.javascript.ScriptRuntime.getObjectProp(ScriptRuntime.java:1362)
org.mozilla.javascript.gen.c6._c1(file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts/org/alfresco/components/dashlets/rssfeed.get.js:37)
org.mozilla.javascript.gen.c6.call(file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts/org/alfresco/components/dashlets/rssfeed.get.js)
org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:97)
org.mozilla.javascript.gen.c6._c6(file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts/org/alfresco/components/dashlets/rssfeed.get.js:262)
org.mozilla.javascript.gen.c6.call(file:/www/Alfresco-3.2r/tomcat/webapps/share/WEB-INF/classes/alfresco/site-webscripts/org/alfresco/components/dashlets/rssfeed.get.js)
(with 3.2 I never managed to get RSS feeds to work, but I only got an empty dashlet, not a server error)