java.lang.NoSuchMethodException: org.apache.ibatis.executor.statement.StatementHandler.prepare(java.

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本文详细解析了在使用MyBatis 3.4.6版本时，配置自定义拦截器遇到的NoSuchMethodException异常。通过调整拦截器规则，增加了Integer参数，成功解决了prepare方法签名不匹配的问题。

今天在使用MyBatis的过程中，想使用一下自定义拦截器，结果出现了一下异常信息：

Caused by: org.apache.ibatis.plugin.PluginException: Could not find method on interface org.apache.ibatis.executor.statement.StatementHandler named prepare. Cause: java.lang.NoSuchMethodException: org.apache.ibatis.executor.statement.StatementHandler.prepare(java.sql.Connection)
    at org.apache.ibatis.plugin.Plugin.getSignatureMap(Plugin.java:87)
    at org.apache.ibatis.plugin.Plugin.wrap(Plugin.java:44)
    at A1003.Mybatis的拦截器.MyInterceptor.plugin(MyInterceptor.java:38)
    at org.apache.ibatis.plugin.InterceptorChain.pluginAll(InterceptorChain.java:31)
    at org.apache.ibatis.session.Configuration.newExecutor(Configuration.java:581)
    at org.apache.ibatis.session.defaults.DefaultSqlSessionFactory.openSessionFromDataSource(DefaultSqlSessionFactory.java:96)
    ... 2 more
Caused by: java.lang.NoSuchMethodException: org.apache.ibatis.executor.statement.StatementHandler.prepare(java.sql.Connection)
    at java.lang.Class.getMethod(Class.java:1786)
    at org.apache.ibatis.plugin.Plugin.getSignatureMap(Plugin.java:84)
    ... 7 more

以下是我的配置版本信息：

     <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.6</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.20</version>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>4.1.4</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.24</version>
        </dependency>

后来在查阅了相关资料之后发现，使用mybatis3.4版本以上，配置拦截器规则应增加Intger参数，如下：

@Intercepts({
        @Signature(method = "query", type = Executor.class, args = {
                MappedStatement.class, Object.class, RowBounds.class,
                ResultHandler.class}),
        @Signature(method = "prepare", type = StatementHandler.class, args = {Connection.class,Integer.class})
})