JSON 数据：
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抛出异常：java.lang.Integer cannot be cast to java.lang.Long
备注：在本地调式时未出现此异常，部署到服务器上之后出现这个情况，JDK版本都是1.8
fastjson version：1.2.44
2条答案
按热度按时间hfsqlsce1#
提供共完整堆栈信息
fsi0uk1n2#
导致此异常的原因应该是基类里面的id是泛型类型，fastjson 可能在底层处理这个泛型时没有处理完善。