HTTP Status 500 - Handler dispatch failed; nested exception is java.lang.AbstractMethodError: Method com/mchange/v2/c3p0/impl/NewProxyResultSet.isClosed()Z is abstract type Exception report message Handler dispatch failed; nested exception is java.la…

二月 26, 2019 3:47:40 上午 org.apache.catalina.core.StandardWrapperValve invoke严重: Servlet.service() for servlet [springmvc] in context with path [/rbac] threw exception [Handler dispatch failed; nested exception is java.lang.AbstractMethodError: Method…

背景: Mayabtis+springboot项目,连接数据库发生异常 报错内容: java.lang.AbstractMethodError: Receiver class com.mchange.v2.c3p0.impl.NewProxyResultSet does not define or inherit an implementation of the resolved method 'abstract boolean isClosed()' of interface java.sql…

关于c3p0在debug模式下控制台抛出的如下异常: java.lang.Exception: DEBUG -- CLOSE BY CLIENT STACK TRACE at com.mchange.v2.c3p0.impl.NewPooledConnection.close(NewPooledConnection.java:566) at com.mchange.v2.c3p0.impl.NewPooledConnection.close(NewPooledConnection.java:23…

报错: 02-Nov-2017 07:11:56.475 信息 [http-nio-8080-exec-10] com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource. Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay…

在运行测试类的时候莫名其妙的报了个 NewProxyResultSet.isClosed()Z is abstract 这个错误,之前出现过这个错误,以为是版本出现了问题 就将版本 0.9.1.2 改成大多数人用的 0.9.5.2 版本,发现还是报错.后来亲自去 Maven 存储库专门搜了下 c3p0 ,发现有两个... 是的,我用错了第二个,导致报了该错误,所以只要用第一个 c3p0 就行 (区别就是第一个 有 com.mchange) 第一种 第二种…

C3P0它是一个开源JDBC连接池,它lib文件夹和Hibernate一起公布,包含了实现jdbc3和jdbc2扩展规范说明的Connection 和Statement 池的DataSources 对象. c3p0.acquireIncrement=3 c3p0.initialPoolSize=3 c3p0.idleConnectionTestPeriod=900 c3p0.minPoolSize=2 c3p0.maxPoolSize=50 c3p0.maxStatements=100 c3p0…

详细错误信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -&g…

1.错误描写叙述 usage: java org.apache.catalina.startup.Catalina [ -config {pathname} ] [ -nonaming ] { -help | start | stop } 2014-7-12 0:51:11 org.apache.catalina.core.AprLifecycleListener init 信息: Loaded APR based Apache Tomcat Native library 1.1.29 usin…

1.错误描述 INFO:2015-05-01 13:13:05[localhost-startStop-1] - Initializing c3p0-0.9.2.1 [built 20-March-2013 10:47:27 +0000; debug? true; trace: 10] WARN:2015-05-01 13:13:05[localhost-startStop-1] - Exception encountered during context initialization - ca…