java.lang.RuntimeException: Failed to execute rules and externals at com.interwoven.livesite.runtime.model.component.Component.executeExternal(Component.java:400) at com.interwoven.livesite.runtime.model.page.RuntimeComponent.buildComponentTransformData(RuntimeComponent.java:200) at com.interwoven.livesite.runtime.model.page.RuntimeComponent.transform(RuntimeComponent.java:281) at com.interwoven.livesite.runtime.page.PageTokenVariableComponent.renderNoCache(PageTokenVariableComponent.java:216) at com.interwoven.livesite.runtime.page.PageTokenVariableComponent.preRender(PageTokenVariableComponent.java:103) at com.interwoven.livesite.runtime.page.PageTokenContainer.preRender(PageTokenContainer.java:260) at com.interwoven.livesite.runtime.model.page.RuntimePage.transformAndOutput(RuntimePage.java:413) at com.interwoven.livesite.runtime.model.page.RuntimePage.transformAndOutput(RuntimePage.java:394) at com.interwoven.livesite.runtime.rendering.RenderingManager.doOutputPage(RenderingManager.java:1251) at com.interwoven.livesite.runtime.rendering.RenderingManager.doOutput(RenderingManager.java:1178) at com.interwoven.livesite.runtime.rendering.RenderingManager.doSetupRenderingObjects(RenderingManager.java:564) at com.interwoven.livesite.runtime.rendering.RenderingManager.renderPageGoal(RenderingManager.java:311) at com.interwoven.livesite.runtime.rendering.RenderingManager.render(RenderingManager.java:240) at com.interwoven.livesite.runtime.impl.BaseRequestContext.render(BaseRequestContext.java:235) at com.interwoven.livesite.runtime.filter.LiveSiteFilter.doFilter(LiveSiteFilter.java:126) at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:183) at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:138) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.StuckThreadDetectionValve.invoke(StuckThreadDetectionValve.java:206) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:240) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528) at org.apache.coyote.ajp.AbstractAjpProcessor.process(AbstractAjpProcessor.java:873) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687) at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2458) 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: java.lang.RuntimeException: Execution exception in com.interwoven.livesite.common.pojo.PojoMethodCall@2685a44e[object=com.agentportal.component.GroupRequestAgentsOffices,method=public org.dom4j.Document getOfficeListwithIATA(com.interwoven.livesite.runtime.RequestContext,),scope=local,parameters={}] at com.interwoven.livesite.common.pojo.PojoMethodCall.execute(PojoMethodCall.java:459) at com.interwoven.livesite.external.ExternalCall.executePrefixes(ExternalCall.java:183) at com.interwoven.livesite.external.ExternalCall.execute(ExternalCall.java:128) at com.interwoven.livesite.runtime.model.component.Component.executeExternal(Component.java:379) ... 33 more Caused by: java.lang.RuntimeException: Could not invoke method: getOfficeListwithIATA, reason: null at com.interwoven.livesite.common.util.ClassUtils.executeMethod(ClassUtils.java:113) at com.interwoven.livesite.common.pojo.PojoMethodCall.executeMethod(PojoMethodCall.java:400) at com.interwoven.livesite.common.pojo.PojoMethodCall.execute(PojoMethodCall.java:454) ... 36 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor76.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.interwoven.livesite.common.util.ClassUtils.executeMethod(ClassUtils.java:105) ... 38 more Caused by: java.lang.NullPointerException at com.agentportal.component.GroupRequestAgentsOffices.getOfficeListwithIATA(GroupRequestAgentsOffices.java:41) ... 42 more