c3p0初始化DataSource报错NoClassDefFoundError:Could not initialize class com.mchange.v2.c3p0.ComboPooledDa
来源:互联网 发布:windows phone 10安卓 编辑:程序博客网 时间:2024/06/06 16:55
根本原因:Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class com.mchange.v2.c3p0.ComboPooledDataSource
网上找了很多文章都没有结果:后来看到一篇文章说是日志jar包冲突,遂排查,把该包依赖排除掉。
<exclusions> <exclusion> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> </exclusion> </exclusions>
然后又升级javassist版本号为3.18.1-GA,同时升级mybatis-spring版本号1.2.4,问题得到解决。
<dependency>
<groupId>org.javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.18.1-GA</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.4</version>
</dependency>
mybatis-spring升级版本号到1.2.4,可解决spring报:修复Is there an unresolvable circular reference?警告
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