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javax.servlet.ServletException: BeanUtils.populate: NullPointerException
when I left the page blank for a while (about 30 minutes), but then clicked the submit button on my page. I have seen several articles on indexing on StackOverflow on Google and went through them trying to understand and implement them, but nothing more to help. Here is a screenshot of the error status:
HTTP 500 - BeanUtils.populateType exception reportBeanUtils.populate messageDescription The server encountered an internal error that prevented it from responding to this skill request.exceptionjavax.servlet.ServletException: BeanUtils.populateorg.apache.struts.util.RequestUtils.populate (RequestUtils.java:1254)org.apache.struts.action.RequestProcessor.processPopulate (RequestProcessor.java:821)org.apache.struts.action.RequestProcessor.process (RequestProcessor.java:254)org.apache.struts.action.ActionServlet.process (ActionServlet.java:1482)org.apache.struts.action.ActionServlet.doPost (ActionServlet.java:525)javax.servlet.http.HttpServlet.service (HttpServlet.java:650)javax.servlet.http.HttpServlet.service (HttpServlet.java:731)org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)deeper reasonjava.lang.NullPointerExceptionorg.apache.commons.beanutils.PropertyUtils.getIndexedProperty (PropertyUtils.java:515)org.apache.commons.beanutils.PropertyUtils.getIndexedProperty (PropertyUtils.java:428)org.apache.commons.beanutils.PropertyUtils.getNestedProperty (PropertyUtils.java:770)org.apache.commons.beanutils.PropertyUtils.getProperty (PropertyUtils.java:801)org.apache.commons.beanutils.BeanUtils.setProperty (BeanUtils.java:881)org.apache.commons.beanutils.BeanUtils.populate (BeanUtils.java:808)org.apache.struts.util.RequestUtils.populate (RequestUtils.java:1252)org.apache.struts.action.RequestProcessor.processPopulate (RequestProcessor.java:821)org.apache.struts.action.RequestProcessor.process (RequestProcessor.java:254)org.apache.struts.action.ActionServlet.process (ActionServlet.java:1482)org.apache.struts.action.ActionServlet.doPost (ActionServlet.java:525)javax.servlet.http.HttpServlet.service (HttpServlet.java:650)javax.servlet.http.HttpServlet.service (HttpServlet.java:731)org.apache.tomcat.websocket.server.WsFilter.doFilter (WsFilter.java:52)
private PhaseTrackerSelectApprInfo [] selectApprList;public phase TrackerSelectApprInfo [] getSelectApprList () return selectApprList;public void setSelectApprList (PhaseTrackerSelectApprInfo [] selectApprList) this.selectApprList = selectApprList;
private string dbName;private string schemaName;private channel serviceName;private channel action;private line phase2MoveDate;private channel ApproverProfileId;private ArrayList-ApproverList;public string getDbName () return dbName;public empty dbName) setDbName (String this.dbName is equal to dbName;public ArrayList getApproverList () Always return a list of approvers;public void setApproverList (ArrayList ApproverList) this.approverList = ApproverList; Public String getApproverProfileId () Returns ApproverProfileId;public void setApproverProfileId (string ApproverProfileId) this.approverProfileId equals approverProfileId;public string getSchemaName () pay schemaName; Emptypublic setSchemaName (String schemaName) this.schemaName = schema name;public string getServiceName () Return service name; public gap serviceName) setServiceName (String this.serviceName = serviceName;public string getAction () Reversible action;public setAction (useless action string) this action implies action;public string getPhase2MoveDate () phase2MoveDate;public turn back void setPhase2MoveDate (String phase2MoveDate) this.phase2MoveDate = name = "phaseTrackerForm" phase2MoveDate;
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I figured out how to index getters and setters, but then selectApprList is the ID of the : iterate record label logic and the PhaseTrackerSelectApprInfo array. I think the array type should work and I still get the error. I am using Struts and working on maintaining this code, so I cannot make any major changes.
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