Error creating bean with name ‘dataSource‘ defined in class path resource [applicationContext.xml]

WanAkiko.

5779人浏览 · 2021-04-18 10:02:55

WanAkiko. · 2021-04-18 10:02:55 发布

分析：异常信息提示错误出在C3P0连接池，检查applicationContext.xml后发现并没有什么错误，于是我们可以锁定问题出在 jar 库依赖，问题的出现可能就是 jar 库冲突，选择性地删掉一个就OK了。

严重: 在路径为[/SSH02-SpringWebPojo]的上下文中，servlet[servlets.RegisterServlet]的Servlet.service()引发异常
org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘dataSource’ defined in class path resource [applicationContext.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mchange.v2.c3p0.ComboPooledDataSource]: Constructor threw exception; nested exception is java.lang.ExceptionInInitializerError
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1105)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1050)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:510)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:482)
at org.springframework.beans.factory.support.AbstractBeanFactoryConnectionHandler.process(AbstractProtocol.java:868)
at org.apache.tomcat.util.net.NioEndpoint $S o c k e t P r o c e s s o r . d o R u n (N i o E n d p o i n t . j a v a : 1589) a t o r g . a p a c h e . t o m c a t . u t i l . n e t . S o c k e t P r o c e s s o r B a s e . r u n (S o c k e t P r o c e s s o r B a s e . j a v a : 49) a t j a v a . u t i l . c o n c u r r e n t . T h r e a d P o o l E x e c u t o r . r u n W o r k e r (U n k n o w n S o u r c e) a t j a v a . u t i l . c o n c u r r e n t . T h r e a d P o o l E x e c u t o r$ Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThreadProxy12.find(Unknown Source)
at com.mchange.v2.cfg.MConfig.readVmConfig(MConfig.java:75)
at com.mchange.v2.c3p0.cfg.C3P0Config.findLibraryMultiPropertiesConfig(C3P0Config.java:157)
at com.mchange.v2.c3p0.cfg.C3P0Config.(C3P0Config.java:143)
… 50 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.mchange.v1.lang.Synchronizer $1 . i n v o k e (S y n c h r o n i z e r . j a v a : 58) . . . 54 m o r e C a u s e d b y : j a v a . l a n g . N o S u c h M e t h o d E r r o r : c o m . m c h a n g e . v 2 . c f g . B a s i c M u l t i P r o p e r t i e s C o n f i g . < i n i t > ([L j a v a / l a n g / S t r i n g; L j a v a / u t i l / L i s t;) V a t c o m . m c h a n g e . v 2 . c f g . C o n f i g U t i l s . r e a d (C o n f i g U t i l s . j a v a : 63) a t c o m . m c h a n g e . v 2 . c f g . M C o n f i g$ CSManager.recreateFromKey(MConfig.java:153)
at com.mchange.v1.cachedstore.NoCleanupCachedStore.find(NoCleanupCachedStore.java:63)
… 59 more
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