动态SQL遇到了问题，请各位指点一下
错误原因：
Exception in thread "main" org.apache.ibatis.exceptions.PersistenceException:
Error querying database. Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.wyy.mapperCustomerMapper.fincustomerbyname
Cause: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.wyy.mapperCustomerMapper.fincustomerbyname
at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:150)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:141)
at com.wyy.test.Testsql.main(Testsql.java:22)
Caused by: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for com.wyy.mapperCustomerMapper.fincustomerbyname
at org.apache.ibatis.session.Configuration$StrictMap.get(Configuration.java:875)
at org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:708)
at org.apache.ibatis.session.Configuration.getMappedStatement(Configuration.java:701)
at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:147)
... 2 more
感觉是sql语句错了，但我看了好久感觉没问题呀
回答
一个明显的错误
com.wyy.mapperCustomerMapper.fincustomerbyname
少了一个标点
com.wyy.mapper.CustomerMapper.fincustomerbyname
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