LEP-4397 highlights a change in the naming requirements for entities. (See my last comment there)
For some external developers this will mean renaming entities and modifing large amounts of code, patching database content and also in some instances having external links to certain servlet paramters no longer resolve.
Again, I believe since it was not previously a requirement it should not be made so all of a sudden.
Removing the if() in line 84 of portal-kernel\src\com\liferay\portal\kernel\util\ClassUtil.java would fix this, but I won't check that in without discussion/approval here.
/jesper
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