After upgrading to CAPM 3.0, when you go to the dcdebug page http://<da>:8581/dcdebug/searchdebug.jsp it produces an HTTP ERROR 404:
Problem accessing /dcdebug/searchdebug.jsp. Reason:
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This was a change made during the development if CAPM 3.0
The following URL will only work for CAPM r2.8 and older.
Here is the new URL that should be used for CAPM 3.0