Setting query parameters of type Date or Calendar fails

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Symptom
You use a setParameter method call of the javax.persistence.Query API
to bind a parameter of type java.util.Date or java.util.Calendar.
Although you specify the TemporalType correctly, you get an IllegalArgumentException stating that the types of the parameter value to set and the type of the parameter in the query don’t match.
Other terms
JPA
Reason and Prerequisites
TemporalTypes are handled [...]

Missing print parameters after upgrade

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Symptom
After an upgrade from an SAP start release 4.7 or below to SAP ECC 6.0 or higher, the default settings for the user-specific print parameters for the ABAP list print are missing.
Other terms
ABAP, printing, parameter, list, global defaults, user defaults
EXPORT
Reason and Prerequisites
If you upgrade from an SAP release below 46A (start release), the program [...]