Execution exception

NullPointerException occurred : Try to read templateId on null object models.Column.Column (controllers.DevelopmentInfo.infoDetail, line 86)

In /app/controllers/DevelopmentInfo.java (around line 86)

82:

 public static void infoDetail(String id,String parentId,String infoId) {

83:

84:

 Column col = PJPA.selectObject("select * from columns where id = '" + StringEscapeUtils.escapeSql(id) +"'", Column.class);

85:

 Shuttering shutterings;

86:

 System.out.println("模板id:"+col.templateId);

87:

 if (col.name.equals("地理位置")) {

88:

 shutterings= Shuttering.findById(col.templateId);

89:

 }else if (col.name.equals("app之歌")) {

90:

 shutterings= Shuttering.findById(col.templateId);

91:

92:

 else {

This exception has been logged with id 7j7097mjo