NoClassDefFoundError: coldfusion/runtime/QueryTableWrapper

If you are running into this problem after installing a ColdFusion 8.0.1 Cumulative Hotfix 4:

java.lang.NoClassDefFoundError: coldfusion/runtime/QueryTableWrapper at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2389) at java.lang.Class.getConstructor0(Class.java:2699) at java.lang.Class.newInstance0(Class.java:326) at java.lang.Class.newInstance(Class.java:308) at coldfusion.sql.QueryTable.getShallowCopy(QueryTable.java:2784) at coldfusion.tagext.QueryLoop.setQuery(QueryLoop.java:62)

Make sure you have updated the cfmx_bootstrap.jar file as stated in the hotfix .

You should also make sure that you have deleted any compiled class files after performing such an update.