this web application instance has been stopped already
2017-03-09 00:24
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[com.mysql.jdbc.Driver]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [com.mysql.jdbc.Driver]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1295)
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1283)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1148)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1109)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at java.sql.DriverManager.isDriverAllowed(DriverManager.java:556)
at java.sql.DriverManager.isDriverAllowed(DriverManager.java:548)
at java.sql.DriverManager.getDriver(DriverManager.java:297)
at com.mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java:223)
at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool1PooledConnectionResourcePoolManager.acquireResource(C3P0Po<
4000
span class="mi" id="MathJax-Span-62" style="font-family: MathJax_Math-italic;">oledConnectionPool.java:137)atcom.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)atcom.mchange.v2.resourcepool.BasicResourcePool.access800(BasicResourcePool.java:32)
at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
tomcat服务器已断开,需要重启tomcat服务器,重新获得数据库连接池,在IDEA中要restart server 一配置的tomcat,不能只redelopy。建议更改Servlet后就restart server。
java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [com.mysql.jdbc.Driver]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1295)
at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1283)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1148)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1109)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at java.sql.DriverManager.isDriverAllowed(DriverManager.java:556)
at java.sql.DriverManager.isDriverAllowed(DriverManager.java:548)
at java.sql.DriverManager.getDriver(DriverManager.java:297)
at com.mchange.v2.c3p0.DriverManagerDataSource.driver(DriverManagerDataSource.java:223)
at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:134)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:182)
at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:171)
at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool1PooledConnectionResourcePoolManager.acquireResource(C3P0Po<
4000
span class="mi" id="MathJax-Span-62" style="font-family: MathJax_Math-italic;">oledConnectionPool.java:137)atcom.mchange.v2.resourcepool.BasicResourcePool.doAcquire(BasicResourcePool.java:1014)atcom.mchange.v2.resourcepool.BasicResourcePool.access800(BasicResourcePool.java:32)
at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1810)
tomcat服务器已断开,需要重启tomcat服务器,重新获得数据库连接池,在IDEA中要restart server 一配置的tomcat,不能只redelopy。建议更改Servlet后就restart server。
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