SpringBoot报错: Correct the classpath of your application so that it contains a single ...

男娘i 2022-11-07 04:22 31阅读 0赞

# 项目场景： #

在拉取别人新建的Springboot项目, 出现关于Correct the classpath of your application so that it contains a single, compatible version of xxx错误

**错误关键描述如下:**

Correct the classpath of your application so that it contains a single, compatible version of org.apache.commons.pool2.impl.GenericObjectPoolConfig

--------------------

# 问题描述： #

下面是错误的详细描述

2021-03-11 10:00:22.145 ERROR 10196 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 
    
    ***************************
    APPLICATION FAILED TO START
    ***************************
    
    Description:
    
    An attempt was made to call a method that does not exist. The attempt was made from the following location:
    
        io.lettuce.core.support.CommonsPool2ConfigConverter.bounded(CommonsPool2ConfigConverter.java:49)
    
    The following method did not exist:
    
        org.apache.commons.pool2.impl.GenericObjectPoolConfig.getTestOnCreate()Z
    
    The method's class, org.apache.commons.pool2.impl.GenericObjectPoolConfig, is available from the following locations:
    
        jar:file:/C:/Users/Administrator/.m2/repository/org/apache/commons/commons-pool2/2.0/commons-pool2-2.0.jar!/org/apache/commons/pool2/impl/GenericObjectPoolConfig.class
    
    The class hierarchy was loaded from the following locations:
    
        org.apache.commons.pool2.impl.GenericObjectPoolConfig: file:/C:/Users/Administrator/.m2/repository/org/apache/commons/commons-pool2/2.0/commons-pool2-2.0.jar
        org.apache.commons.pool2.impl.BaseObjectPoolConfig: file:/C:/Users/Administrator/.m2/repository/org/apache/commons/commons-pool2/2.0/commons-pool2-2.0.jar
    
    
    Action:
    
    Correct the classpath of your application so that it contains a single, compatible version of org.apache.commons.pool2.impl.GenericObjectPoolConfig
    
    
    Process finished with exit code 1

--------------------

# 原因分析： #

**原因是jar版本冲突** ，如springboot starter parent与下面引用的某些启动器或者其他jar版本不一致，导致缓存了多个jar, 而启动时不知道选取哪个版本的jar导致错误

# 解决方案： #

从下图可以看到启动器父版本和子启动器版本不一样,  
**去除commons-pool2的版本即可**  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQzMzcxNTU2_size_16_color_FFFFFF_t_70]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQzMzcxNTU2_size_16_color_FFFFFF_t_70]: /images/20221023/49bb3edc14ae4fb6b649c5bbe624f5a0.png

SpringBoot报错: Correct the classpath of your application so that it contains a single ...

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