问题描述：
Caused by: java.lang.NoSuchFieldError: INSTANCE at org.apache.http.conn.ssl.SSLConnectionSocketFactory.(SSLConnectionSocketFactory.java:151)
at org.apache.http.impl.client.HttpClientBuilder.build(HttpClientBuilder.java:977)
at org.apache.http.impl.client.HttpClients.createDefault(HttpClients.java:56)
at fuanna.action.finance.HttpUtil.doPost(HttpUtil.java:127)
at fuanna.action.finance.Check_Cs.execute(Check_Cs.java:101)
at $Action_16bf8a3a0be.execute($Action_16bf8a3a0be.java)
at $Action_16bf8a3a0bd.execute($Action_16bf8a3a0bd.java)
at weaver.workflow.request.RequestCheckAddinRules.checkAddinRules(RequestCheckAddinRules.java:808)
at weaver.workflow.request.RequestManager.saveRequestInfo(RequestManager.java:3989)
at _jsp._workflow._request._requestoperation__jsp._jspService(_requestoperation__jsp.java:869)
at com.caucho.jsp.JavaPage.service(JavaPage.java:61)
at com.caucho.jsp.Page.pageservice(Page.java:578)
at com.caucho.server.dispatch.PageFilterChain.doFilter(PageFilterChain.java:195)
at wscheck.FileCheckFilter.doFilter(FileCheckFilter.java:168)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at weaver.filter.PFixFilter.doFilter(PFixFilter.java:128)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at weaver.filter.MonitorXFixIPFilter.doFilter(MonitorXFixIPFilter.java:30)
at weaver.filter.MonitorForbiddenUrlFilter.doFilter(MonitorForbiddenUrlFilter.java:133)
at weaver.filter.MonitorCheckdbFilter.doFilter(MonitorCheckdbFilter.java:49)
at weaver.filter.MonitorXUrlTimeFilter.doFilter(MonitorXUrlTimeFilter.java:66)
at weaver.filter.DynamicMonitorXFilter.doFilter(DynamicMonitorXFilter.java:86)
at weaver.filter.MonitorXFilter.doFilter(MonitorXFilter.java:83)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:87)
at weaver.security.webcontainer.XssRequestForResin3.doFilter(XssRequestForResin3.java:31) ... 22 more
问题解决：jar包冲突
删掉低版本的即可