SSM整合时报错：java.lang.NoClassDefFoundError: org/springframework/core/ErrorCoded

本文转载自查看原文 2022-03-27 15:03 1754 Java

今天在SSM整合调试时报了一个错误java.lang.NoClassDefFoundError，部分内容如下：

Mar 27, 2022 2:45:19 PM org.springframework.test.context.support.AbstractTestContextBootstrapper getDefaultTestExecutionListenerClassNames
INFO: Loaded default TestExecutionListener class names from location [META-INF/spring.factories]: [org.springframework.test.context.web.ServletTestExecutionListener, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener, org.springframework.test.context.event.ApplicationEventsTestExecutionListener, org.springframework.test.context.support.DependencyInjectionTestExecutionListener, org.springframework.test.context.support.DirtiesContextTestExecutionListener, org.springframework.test.context.transaction.TransactionalTestExecutionListener, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener, org.springframework.test.context.event.EventPublishingTestExecutionListener]
Mar 27, 2022 2:45:19 PM org.springframework.test.context.support.AbstractTestContextBootstrapper getTestExecutionListeners
INFO: Using TestExecutionListeners: [org.springframework.test.context.web.ServletTestExecutionListener@20322d26, org.springframework.test.context.support.DirtiesContextBeforeModesTestExecutionListener@192b07fd, org.springframework.test.context.event.ApplicationEventsTestExecutionListener@64bfbc86, org.springframework.test.context.support.DependencyInjectionTestExecutionListener@64bf3bbf, org.springframework.test.context.support.DirtiesContextTestExecutionListener@55d56113, org.springframework.test.context.transaction.TransactionalTestExecutionListener@148080bb, org.springframework.test.context.jdbc.SqlScriptsTestExecutionListener@dc24521, org.springframework.test.context.event.EventPublishingTestExecutionListener@10bdf5e5]
Mar 27, 2022 2:45:19 PM org.springframework.test.context.TestContextManager prepareTestInstance
SEVERE: Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@64bf3bbf] to prepare test instance [MapperTest@52feb982]
java.lang.NoClassDefFoundError: org/springframework/core/ErrorCoded

Caused by: java.lang.ClassNotFoundException: org.springframework.core.ErrorCoded
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 57 more

java.lang.NoClassDefFoundError: org/springframework/core/ErrorCoded

Process finished with exit code -1

找了好久都没有找到问题出现在哪，最后查看依赖发现，我在引入spring-test依赖时发现里面也包含spring-core这个包，两个spring-core包版本不一致从而引发错误

解决方法：

1、把spring-test的版本也更改为4.3.7

2、刷新maven，这是可以看到两个spring-core的版本一致了

3、再次进行调试，运行成功，问题解决

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