ClassNotFoundException when loading admin page.

I am unable to access my server's administration page today, when I go there I get the error below. I don't have a lot of experience with Tomcat so I would appreciate any help with fixing this or pointing me in the right direction.


My Teamcity version : 2017.2.2 (build 50909)

[2018-04-13 03:33:23,377]  ERROR -   jetbrains.buildServer.SERVER - Error javax.servlet.jsp.JspException: javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.plugins.jetbrains_git.health.gitGcErrorsReport_jsp while processing request: GET '/admin/admin.html?item=projects', from client 202.161.69.186:52826, authenticated as '*******' (*****) {id=*} 
javax.servlet.jsp.JspException: javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.plugins.jetbrains_git.health.gitGcErrorsReport_jsp
        at org.apache.jsp.tag.web.ext.includeExtension_tag.doTag(includeExtension_tag.java:190)
        at org.apache.jsp.tag.web.ext.includeExtensions_tag._jspx_meth_ext_005fincludeExtension_005f2(includeExtensions_tag.java:555)
        at org.apache.jsp.tag.web.ext.includeExtensions_tag._jspx_meth_c_005fforEach_005f2(includeExtensions_tag.java:439)
        at org.apache.jsp.tag.web.ext.includeExtensions_tag.doTag(includeExtensions_tag.java:213)
        at org.apache.jsp.healthStatus.renderItem_jsp._jspService(renderItem_jsp.java:141)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at jetbrains.spring.web.TeamCityJSPServletImpl.access$001(TeamCityJSPServletImpl.java:5)
        at jetbrains.spring.web.TeamCityJSPServletImpl$2.apply(TeamCityJSPServletImpl.java:2)
        at jetbrains.buildServer.util.Util.doUnderContextClassLoader(Util.java:78)
        at jetbrains.spring.web.TeamCityJSPServletImpl.service(TeamCityJSPServletImpl.java:28)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.spring.web.JspController.doHandle(JspController.java:14)
        at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:101)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at jetbrains.buildServer.controllers.BaseController.handleRequest(BaseController.java:80)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:160)
        at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
        at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
        at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:895)
        at org.apache.jsp.healthStatus.globalHealthItems_jsp$Helper.invoke0(globalHealthItems_jsp.java:505)
        at org.apache.jsp.healthStatus.globalHealthItems_jsp$Helper.invoke(globalHealthItems_jsp.java:553)
        at org.apache.jsp.tag.web.refreshable_tag.doTag(refreshable_tag.java:170)
        at org.apache.jsp.healthStatus.globalHealthItems_jsp._jspService(globalHealthItems_jsp.java:195)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at jetbrains.spring.web.TeamCityJSPServletImpl.access$001(TeamCityJSPServletImpl.java:5)
        at jetbrains.spring.web.TeamCityJSPServletImpl$2.apply(TeamCityJSPServletImpl.java:2)
        at jetbrains.buildServer.util.Util.doUnderContextClassLoader(Util.java:78)
        at jetbrains.spring.web.TeamCityJSPServletImpl.service(TeamCityJSPServletImpl.java:28)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.spring.web.JspController.doHandle(JspController.java:14)
        at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:101)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at jetbrains.buildServer.controllers.BaseController.handleRequest(BaseController.java:80)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:160)
        at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
        at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
        at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:895)
        at org.apache.jsp.globalHealthReports_jsp._jspService(globalHealthReports_jsp.java:126)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at jetbrains.spring.web.TeamCityJSPServletImpl.access$001(TeamCityJSPServletImpl.java:5)
        at jetbrains.spring.web.TeamCityJSPServletImpl$2.apply(TeamCityJSPServletImpl.java:2)
        at jetbrains.buildServer.util.Util.doUnderContextClassLoader(Util.java:78)
        at jetbrains.spring.web.TeamCityJSPServletImpl.service(TeamCityJSPServletImpl.java:28)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.spring.web.JspController.doHandle(JspController.java:14)
        at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:101)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at jetbrains.buildServer.controllers.BaseController.handleRequest(BaseController.java:80)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:895)
        at org.apache.jsp.tag.web.ext.includeExtension_tag._jspx_meth_c_005fif_005f3(includeExtension_tag.java:617)
        at org.apache.jsp.tag.web.ext.includeExtension_tag._jspx_meth_c_005fif_005f0(includeExtension_tag.java:217)
        at org.apache.jsp.tag.web.ext.includeExtension_tag.doTag(includeExtension_tag.java:179)
        at org.apache.jsp.tag.web.ext.includeExtensions_tag._jspx_meth_ext_005fincludeExtension_005f2(includeExtensions_tag.java:555)
        at org.apache.jsp.tag.web.ext.includeExtensions_tag._jspx_meth_c_005fforEach_005f2(includeExtensions_tag.java:439)
        at org.apache.jsp.tag.web.ext.includeExtensions_tag.doTag(includeExtensions_tag.java:213)
        at org.apache.jsp.pageBeforeContentPagePlaceController_jsp._jspService(pageBeforeContentPagePlaceController_jsp.java:142)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at jetbrains.spring.web.TeamCityJSPServletImpl.access$001(TeamCityJSPServletImpl.java:5)
        at jetbrains.spring.web.TeamCityJSPServletImpl$2.apply(TeamCityJSPServletImpl.java:2)
        at jetbrains.buildServer.util.Util.doUnderContextClassLoader(Util.java:78)
        at jetbrains.spring.web.TeamCityJSPServletImpl.service(TeamCityJSPServletImpl.java:28)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.spring.web.JspController.doHandle(JspController.java:14)
        at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:101)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at jetbrains.buildServer.controllers.BaseController.handleRequest(BaseController.java:80)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:160)
        at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
        at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
        at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:895)
        at org.apache.jsp.tag.web.page_tag.doTag(page_tag.java:808)
        at org.apache.jsp.admin.adminMain_jsp._jspx_meth_bs_005fpage_005f0(adminMain_jsp.java:231)
        at org.apache.jsp.admin.adminMain_jsp._jspService(adminMain_jsp.java:189)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:443)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:385)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:329)
        at jetbrains.spring.web.TeamCityJSPServletImpl.access$001(TeamCityJSPServletImpl.java:5)
        at jetbrains.spring.web.TeamCityJSPServletImpl$2.apply(TeamCityJSPServletImpl.java:2)
        at jetbrains.buildServer.util.Util.doUnderContextClassLoader(Util.java:78)
        at jetbrains.spring.web.TeamCityJSPServletImpl.service(TeamCityJSPServletImpl.java:28)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.spring.web.JspController.doHandle(JspController.java:14)
        at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:101)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at jetbrains.buildServer.controllers.BaseController.handleRequest(BaseController.java:80)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:467)
        at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:392)
        at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:311)
        at org.springframework.web.servlet.view.InternalResourceView.renderMergedOutputModel(InternalResourceView.java:168)
        at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:303)
        at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1286)
        at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1041)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:984)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at jetbrains.buildServer.web.jsp.JspPrecompilerFilter.doFilter(JspPrecompilerFilter.java:19)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at jetbrains.buildServer.web.DisableSessionIdFromUrlFilter.doFilter(DisableSessionIdFromUrlFilter.java:9)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:107)
        at jetbrains.buildServer.diagnostic.web.DiagnosticFilter.doFilter(DiagnosticFilter.java:83)
        at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:112)
        at jetbrains.buildServer.web.DependencyParametersCalculationContextFilter.doFilter(DependencyParametersCalculationContextFilter.java:2)
        at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:112)
        at jetbrains.buildServer.web.ContentSecurityPolicyFilter.doFilter(ContentSecurityPolicyFilter.java:8)
        at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:112)
        at jetbrains.buildServer.web.CSRFFilter.doFilter(CSRFFilter.java:100)
        at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:112)
        at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:73)
        at jetbrains.buildServer.web.DelegatingFilter.doFilter(DelegatingFilter.java:53)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at jetbrains.buildServer.web.ResponseFragmentFilter.doFilter(ResponseFragmentFilter.java:2)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
        at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:677)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
        at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)
        at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
        at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868)
        at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
        at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:748)
Caused by: javax.servlet.ServletException: org.apache.jasper.JasperException: java.lang.ClassNotFoundException: org.apache.jsp.plugins.jetbrains_git.health.gitGcErrorsReport_jsp
        at jetbrains.spring.web.TeamCityJSPServletImpl.service(TeamCityJSPServletImpl.java:29)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.spring.web.JspController.doHandle(JspController.java:14)
        at jetbrains.buildServer.controllers.BaseController.handleRequestInternal(BaseController.java:101)
        at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:174)
        at jetbrains.buildServer.controllers.BaseController.handleRequest(BaseController.java:80)
        at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:50)
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:635)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.processedByMainServlet(TeamCityDispatcherServlet.java:4)
        at jetbrains.buildServer.maintenance.TeamCityDispatcherServlet.service(TeamCityDispatcherServlet.java:62)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728)
        at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590)
        at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524)
        at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:895)
        at org.apache.jsp.tag.web.ext.includeExtension_tag._jspx_meth_c_005fif_005f3(includeExtension_tag.java:617)
        at org.apache.jsp.tag.web.ext.includeExtension_tag._jspx_meth_c_005fif_005f0(includeExtension_tag.java:217)
        at org.apache.jsp.tag.web.ext.includeExtension_tag.doTag(includeExtension_tag.java:179)

 

0
1 comment

Did something change in your installation between you able to load it and not? a ClassNotFound exception can mean several things:
-The bundled plugin packages didn't unpack properly during server startup. A restart should fix this.
-The bundled plugin packages got corrupted or modified by a third party tool. A restart wouldn't fix this, you would need to either locate the corrupted files and replace them or reinstall teamcity
-You upgraded the server, or modified a library, without removing the previous installation, which might lead now to conflicts and the server not picking up the right version.

Other possibilities do exist but would be rarer (Such as third party applications or even OS upgrades).

Can you double check those comments above and report back?

0

Please sign in to leave a comment.