打成war包至tomcat運行報錯
java.lang.NullPointerException: null
? ? ? ? at com.stylefeng.guns.core.listener.ConfigListener.contextInitialized(ConfigListener.java:48)
? ? ? ? at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4743)
? ? ? ? at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5207)
? ? ? ? at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
? ? ? ? at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419)
? ? ? ? at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409)
? ? ? ? at java.util.concurrent.FutureTask.run(FutureTask.java:266)
? ? ? ? at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
? ? ? ? at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
? ? ? ? at java.lang.Thread.run(Thread.java:745)
2019-06-16
https://blog.csdn.net/msg1122/article/details/82454422
https://blog.csdn.net/zwhfyy/article/details/885588
空指針異常，百度下吧，
具體情況，具體分析