一.问题 java.lang.IllegalArgumentException: invalid comparison: java.util.Date and java.lang.String(无效比较:java.util.Date和jav
原因是在使用 进行条件判断时, 将datetime类型的字段与 " " 进行了判断,导致的错误 解决, 只使用 做判断就行了 详细可参考: https://blog.csdn.net/wanghailong_qd/article/details/50673
文档解释ORA-09798: Label comparison failed.Cause: The comparison of two binary labels failed.Action: Check the UNIX error
文档解释ORA-13793: invalid comparison metricCause: An invalid metric to compare SQL performance was specified.Action:
前言上周线上的一段排序的java代码出现了一个Comparison method violates its general contract,在解决这个问题的途中学到了一些知识这里总结分享一下。异常原因这个排序导致的异常将会在java7以上
文档解释ORA-23627: Comparison object string already existed.Cause: A comparison object by the specified name already
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