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  • java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.SpecialProvider.<init>()

    Caused by: org.apache.ibatis.builder.BuilderException: Error invoking SqlProvider method (tk.mybatis.mapper.provider.SpecialProvider.dynamicSQL).  Cause: java.lang.InstantiationException: tk.mybatis.mapper.provider.SpecialProvider
        at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:135) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.builder.annotation.ProviderSqlSource.getBoundSql(ProviderSqlSource.java:103) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:292) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.executor.statement.BaseStatementHandler.<init>(BaseStatementHandler.java:64) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.executor.statement.PreparedStatementHandler.<init>(PreparedStatementHandler.java:40) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.executor.statement.RoutingStatementHandler.<init>(RoutingStatementHandler.java:46) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.session.Configuration.newStatementHandler(Configuration.java:558) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.executor.SimpleExecutor.doUpdate(SimpleExecutor.java:48) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.executor.BaseExecutor.update(BaseExecutor.java:117) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.executor.CachingExecutor.update(CachingExecutor.java:76) ~[mybatis-3.4.5.jar:3.4.5]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_191]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_191]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_191]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_191]
        at org.apache.ibatis.plugin.Plugin.invoke(Plugin.java:63) ~[mybatis-3.4.5.jar:3.4.5]
        at com.sun.proxy.$Proxy269.update(Unknown Source) ~[na:na]
        at org.apache.ibatis.session.defaults.DefaultSqlSession.update(DefaultSqlSession.java:198) ~[mybatis-3.4.5.jar:3.4.5]
        at org.apache.ibatis.session.defaults.DefaultSqlSession.insert(DefaultSqlSession.java:185) ~[mybatis-3.4.5.jar:3.4.5]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_191]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_191]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_191]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_191]
        at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:433) ~[mybatis-spring-1.3.1.jar:1.3.1]
        ... 117 common frames omitted
    Caused by: java.lang.InstantiationException: tk.mybatis.mapper.provider.SpecialProvider
        at java.lang.Class.newInstance(Class.java:427) ~[na:1.8.0_191]
        at org.apache.ibatis.builder.annotation.ProviderSqlSource.createSqlSource(ProviderSqlSource.java:117) ~[mybatis-3.4.5.jar:3.4.5]
        ... 139 common frames omitted
    Caused by: java.lang.NoSuchMethodException: tk.mybatis.mapper.provider.SpecialProvider.<init>()
        at java.lang.Class.getConstructor0(Class.java:3082) ~[na:1.8.0_191]
        at java.lang.Class.newInstance(Class.java:412) ~[na:1.8.0_191]
        ... 140 common frames omitted

    tk.mybatis中,如果继承了MySqlMapper<T>  

    里面源码

    @RegisterMapper
    public interface MySqlMapper<T> extends InsertListMapper<T>, InsertUseGeneratedKeysMapper<T> {
    }

    使用 InsertListMapper<T>接口的insertList<T>方法时报错 

    需要修改MapperScan

    应该引入的包是:tk.mybatis.spring.annotation.MapperScan;

    我这边报错  是因为我集成tk.mybatis,然后没有修改这个地方,

    原先引入的包是:org.mybatis.spring.annotation.MapperScan;

    修改好,亲测有效了。

    如果不使用insertList 也不会报错,有需要的就改下这个地方。

    我这个是两个数据源,所以在这个配置文件里面的,如果是单个数据源,直接在启动主类里面 改就好了

    https://blog.csdn.net/dxiaol/article/details/81702882



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  • 原文地址:https://www.cnblogs.com/softidea/p/10689321.html
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