java.lang.NullPointerException

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    • java.lang.NullPointerException at org.labkey.list.model.ListWriter$ListTableInfoWriter.writeColumn(ListWriter.java:366) at org.labkey.api.data.TableInfoWriter.writeTable(TableInfoWriter.java:66) at org.labkey.list.model.ListWriter$ListTableInfoWriter.writeTable(ListWriter.java:346) at org.labkey.list.model.ListWriter.write(ListWriter.java:134) at org.labkey.list.controllers.ListController$ExportListArchiveAction.export(ListController.java:1164) at org.labkey.list.controllers.ListController$ExportListArchiveAction.export(ListController.java:1143) at org.labkey.api.action.ExportAction.getView(ExportAction.java:53) at org.labkey.api.action.SimpleViewAction.handleRequest(SimpleViewAction.java:80) at org.labkey.api.action.BaseViewAction.handleRequest(BaseViewAction.java:214) at org.labkey.api.action.SpringActionController.handleRequest(SpringActionController.java:414) at org.labkey.api.module.DefaultModule.dispatch(DefaultModule.java:1218) at org.labkey.api.view.ViewServlet._service(ViewServlet.java:190) at org.labkey.api.view.ViewServlet.service(ViewServlet.java:124) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.labkey.api.data.TransactionFilter.doFilter(TransactionFilter.java:38) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.labkey.core.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:118) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.labkey.api.module.ModuleLoader.doFilter(ModuleLoader.java:1121) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.labkey.api.security.AuthFilter.doFilter(AuthFilter.java:160) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:931) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:200) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) 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)
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