I2JAV11 — Operations signatures include throws clauses on system exceptions.

There are several places in the IDL to Java mapping spec
(ptc/00-01-08) where operations signatures include
throws clauses on system exceptions. Since system
exceptions are unchecked Java exceptions, they need
never be declared in operation signatures. As normal
Java practice only declares checked exceptions, the throws
clauses for unchecked exceptions should be removed.

I have found this problem in the following places in the spec:

p. 58-61 various methods throw DATA_CONVERSION, MARSHAL, and BAD_OPERATION
p. 85 get_value_def throws BAD_PARAM
p. 122 _invoke(...) throws SystemException

see below