INFO: Illegal access: this web application instance has been stopped already. Could not load com.mchange.v2.c3p0.impl.PoolBackedDataSourceBaseBeanInfo. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
java.lang.IllegalStateException
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1743)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:266)
at com.sun.beans.finder.ClassFinder.findClass(ClassFinder.java:103)
at com.sun.beans.finder.InstanceFinder.instantiate(InstanceFinder.java:93)
at com.sun.beans.finder.InstanceFinder.find(InstanceFinder.java:66)
at java.beans.Introspector.findExplicitBeanInfo(Introspector.java:436)
at java.beans.Introspector.<init>(Introspector.java:386)
at java.beans.Introspector.getBeanInfo(Introspector.java:250)
at java.beans.Introspector.<init>(Introspector.java:395)
at java.beans.Introspector.getBeanInfo(Introspector.java:250)
at java.beans.Introspector.<init>(Introspector.java:395)
at java.beans.Introspector.getBeanInfo(Introspector.java:250)
at java.beans.Introspector.getBeanInfo(Introspector.java:212)
at com.mchange.v2.beans.BeansUtils.extractAccessiblePropertiesToMap(BeansUtils.java:349)
at com.mchange.v2.beans.BeansUtils.appendPropNamesAndValues(BeansUtils.java:324)
at com.mchange.v2.c3p0.ComboPooledDataSource.toString(ComboPooledDataSource.java:539)
at java.lang.String.valueOf(String.java:2854)
at java.lang.StringBuffer.append(StringBuffer.java:232)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.assertCpds(AbstractPoolBackedDataSource.java:447)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getPoolMan
项目部署后报这样的错，解决的方法是：
在c3p0数据连接池配置中加上destroy-method="close"
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