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Reject saving collection like entities (Lists, Iterator,...) via MongoTemplate.save #3576

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Reject saving collection like entities (Lists, Iterator,...) via MongoTemplate.save #3576

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This PR makes sure to fail early when attempting to save a collection like object via one of the save methods of MongoTemplate. This avoids error in the mapping layer trying to convert eg. a list into a Document.

Closes: #3570

mp911de pushed a commit that referenced this pull request Mar 2, 2021
@christophstrobl @mp911de
Assert MongoTemplate rejects saving collection like entities like Lis…
cde3900 
…ts or Iterator.

Closes #3570.
Original pull request: #3576.
mp911de added a commit that referenced this pull request Mar 2, 2021
@mp911de
Polishing.
a7d865e 
Update Javadoc.

Closes #3570.
Original pull request: #3576.
@mp911de mp911de added this to the 3.2 RC1 (2021.0.0) milestone Mar 2, 2021
@mp911de mp911de closed this Mar 2, 2021
@mp911de mp911de deleted the issue/3570 branch March 2, 2021 10:24
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Incorrect class casting cause ClassCastException when save java.util.Collection using MongoTemplate
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