是因为 Caused by: java.lang.IllegalArgumentException: Result Maps collection does not contain value for IStudentDaoMapper.Mapperdao.select是因为resultmaper的值错了…
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'daoSupport': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name…
java.lang.IllegalStateException: Failed to load ApplicationContext at org.springframework.test.context.CacheAwareContextLoaderDelegate.loadContext(CacheAwareContextLoaderDelegate.java:99) at org.springframework.test.context.TestContext.getApplication…
https://developer.apple.com/library/mac/documentation/DeveloperTools/Reference/XcodeBuildSettingRef/1-Build_Setting_Reference/build_setting_ref.html#//apple_ref/doc/uid/TP40003931-CH3-DontLinkElementID_10 Product Information Build Settings These buil…
什么时候hive在运行大数据量的统计查询语句时.常常会出现以下OOM错误.详细错误提演示样例如以下: Possible error: Out of memory due to hash maps used in map-side aggregation. Solution: Currently hive.map.aggr.hash.percentmemory is set to 0.5. Try setting it to a lower value. i.e 'set hive.map.agg…