错误摘要

标签：executor   context   ext   cycle   erb   图片   imp   catalina   tac   

java.lang.InstantiationException
?? ?at sun.reflect.InstantiationExceptionConstructorAccessorImpl.newInstance(InstantiationExceptionConstructorAccessorImpl.java:48)
?? ?at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
?? ?at java.lang.Class.newInstance(Class.java:442)
?? ?at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:114)
?? ?at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5034)
?? ?at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5634)
?? ?at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)
?? ?at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1571)
?? ?at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1561)
?? ?at java.util.concurrent.FutureTask.run(FutureTask.java:266)
?? ?at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
?? ?at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
?? ?at java.lang.Thread.run(Thread.java:748)

出现这个异常可能有很多原因，我的原因是把class用abstact修饰了

错误摘要

标签：executor   context   ext   cycle   erb   图片   imp   catalina   tac   

原文地址：https://www.cnblogs.com/fan9527/p/13216845.html