org.dbunit.dataset.NoSuchColumnException: t_role.ROLE_TYPE - (Non-uppercase input column: role_type

在使用DbUnit进行Dao测试时,若持久层为Hibernate,可能会遇到org.dbunit.dataset.NoSuchColumnException,错误提及t_role.ROLE_TYPE(输入列非大写:role_type)。此异常源于DefaultMetadataHandler.Java加载数据库信息时未能获取到schema值。解决方案需关注DbUnit配置及数据库列名大小写敏感性问题。


dbunit有一个大大的BUG,即会解释不了MySQL表的结构,在使用@DataSet准备数据时,会抛出类似如下的异常: 

使用dbunit来测试Dao时,如果使用hibernate作为持久层会出现org.dbunit.dataset.NoSuchColumnException: t_role.ROLE_TYPE -  (Non-uppercase input column: role_type) in ColumnNameToIndexes cache map. Note that the map's column names are NOT case sensitive.

异常如下。


错误的原因是unitils默认使用的是“DefaultMetadataHandler.Java”这个类去加载数据库信息,从而得不到数据库schema的值


 
org.dbunit.dataset.DataSetException: error producing dataset for table 't_seven_meal_service_order_delivery_details_2' at org.dbunit.dataset.csv.CsvProducer.produce(CsvProducer.java:95) at org.dbunit.dataset.CachedDataSet.<init>(CachedDataSet.java:88) at org.dbunit.dataset.CachedDataSet.<init>(CachedDataSet.java:73) at org.dbunit.dataset.csv.CsvDataSet.<init>(CsvDataSet.java:43) at common.CsvDataSetLoader.createDataSet(CsvDataSetLoader.java:23) at com.github.springtestdbunit.dataset.AbstractDataSetLoader.loadDataSet(AbstractDataSetLoader.java:54) at com.github.springtestdbunit.DbUnitRunner.loadDataset(DbUnitRunner.java:209) at com.github.springtestdbunit.DbUnitRunner.loadDataSets(DbUnitRunner.java:192) at com.github.springtestdbunit.DbUnitRunner.setupOrTeardown(DbUnitRunner.java:173) at com.github.springtestdbunit.DbUnitRunner.beforeTestMethod(DbUnitRunner.java:75) at com.github.springtestdbunit.DbUnitTestExecutionListener.beforeTestMethod(DbUnitTestExecutionListener.java:185) at org.springframework.test.context.TestContextManager.beforeTestMethod(TestContextManager.java:320) at org.springframework.test.context.junit.jupiter.SpringExtension.beforeEach(SpringExtension.java:240) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) Caused by: org.dbunit.dataset.csv.CsvParserException: Expected 23 columns on line 2, got 25. Offending line: "123456","5","1234567890123456789012345678901234","8d8e1f2a5d61d832c3b5ae1f2a5d6","6E656E6265","2","1","12","00","20241230","100","1","1","1234567890123","000001","123456","100","100","1","0","1000","2023-01-01 12:59:59","SPUA3544",'test',"0" at org.dbunit.dataset.csv.CsvParserImpl.collectExpectedNumberOfColumns(CsvParserImpl.java:196) at org.dbunit.dataset.csv.CsvParserImpl.parseTheData(CsvParserImpl.java:159) at org.dbunit.dataset.csv.CsvParserImpl.parse(CsvParserImpl.java:124) at org.dbunit.dataset.csv.CsvParserImpl.parse(CsvParserImpl.java:99) at org.dbunit.dataset.csv.CsvProducer.produceFromFile(CsvProducer.java:112) at org.dbunit.dataset.csv.CsvProducer.produce(CsvProducer.java:93) ... 14 more
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