weblogic 部署war包 servlet 偶尔会出现null异常

Question

linux 服务weblogic 部署web项目中的servlet异常
最近服务器老是发现报如下异常 不知道是什么原因引起的 有谁遇到过吗， 帮帮忙 谢谢。
<[weblogic.servlet.internal.WebAppServletContext@2c570e2 - appName: 'qtpay_prepo', name: 'qtpay_prepo', context-path: '', spec-version: '2.5'] Servlet failed with Exception
java.lang.NullPointerException
at com.qtpay.preposing.support.ReturnMapCreateTool.createMapError(ReturnMapCreateTool.java:42)
at com.qtpay.preposing.action.ClientInfUnifiedActionJson.doPost(ClientInfUnifiedActionJson.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
Truncated. see log file for complete stacktrace

Answer 1

https://zhidao.baidu.com/question/982687359105342219.html