QuerydslDefaultBinding's analysis of collections

[rxxy]

spring-data-commons/src/main/java/org/springframework/data/querydsl/binding/QuerydslDefaultBinding.java

Line 61 in 2937d62

for (Object element : value) {

The value here is Collection<Collection<po>>
The element here is Collection<po>

The constructed predicate is wrong

#2834

[mp911de]

You're right, that Hibernate leniently accepted Set<Set<…>> and now it no longer does. We need to fix the issue, using the original ticket you filed at #2834