loggerfactory is not a logback loggercontext but logback is on the classpath.

这句话的意思是：loggerfactory不是logback的loggercontext，但是logback在类路径上。

简单来说，就是虽然logback在类路径上，但是loggerfactory不是logback的loggercontext。可能是因为使用了其他的日志框架，或者没有正确配置logback。

相关问题

LoggerFactory is not a Logback LoggerContext but Logback is on the classpath.

这个错误的意思是LoggerFactory不是一个Logback的LoggerContext，但是Logback在类路径上存在。这个错误通常发生在使用Logback日志库的Java代码中，同时又存在与Logback竞争的其他日志库（例如slf4j-simple）导致的冲突。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* [IDEA 报错 LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. 如何解决依赖...](https://blog.csdn.net/qq_53030983/article/details/127466987)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation

日志错误信息中的“LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation”表示日志工厂（LoggerFactory）不是Logback的LoggerContext，但是Logback在类路径上存在。这意味着存在与Logback冲突的其他日志实现。

解决这个问题有两种方法：
1. 移除Logback：您可以从项目的依赖中移除Logback，这样就不会与其他日志实现发生冲突了。
2. 排除冲突实现：如果您希望继续使用Logback，而且需要解决与其他实现的冲突，可以通过在项目的依赖配置中排除冲突实现来解决。例如，在Maven项目中，您可以使用<exclusions>标签来排除冲突的实现，如上文引用中所示。

如果您正在使用WebLogic服务器，还需要将'org.slf4j'添加到WEB-INF/weblogic.xml文件的prefer-application-packages中，以解决这个问题。

请根据您的实际需求选择适合的解决方案。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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