郁悶了兩天了，spring+hibernate查詢數據，sql語句在數據庫里試過了是正確的，數據庫里有數據，但是就是查不出數據。后來仔細看日志文件，恍然大悟，原來是整形字段賦值為null， Null value was assigned to a property of primitive type setter of com.*.*.*.age
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