tnx Laurie it worked Laurie Harper wrote: > > Your Department class doesn't initialize its 'program' member when the > no-arg constructor is called so when BeanUtils tries to fill in the data > from the request, program will be null. I suspect that is your problem. > Two things to try: > > 1) turn logging up to DEBUG for BeanUtils; that should show you if this > is indeed the problem (and if not, what is) > > 2) try changing the field definition to > > private StudyProgram program = new StudyProgram(); > > That may not be how you want to init that member, but you can worry > about that afterwards if it works. > > L. > > auz wrote: >> yep both ActionFormBeans are java bean compliant here's the code >> >> note i didn't copy any irelevevant method (dont have reset() method for >> any >> bean) >> ============================= >> bean1 >> ============================== >> package beans.studyProgram; >> >> >> public class StudyProgram extends >> org.apache.struts.validator.ValidatorActionForm { >> >> private static final long serialVersionUID = -3131205735075358925L; >> >> private Integer id; >> private String name; >> private Integer duration; >> private Integer ects; >> private Boolean active; >> private String description; >> >> public StudyProgram() { >> super(); >> } >> >> public StudyProgram (Integer id) { >> this.id = id; >> } >> >> public StudyProgram(Integer id, String name, Integer duration, Integer >> ects, Boolean active, String description) { >> super(); >> this.id = id; >> this.name = name; >> this.duration = duration; >> this.ects = ects; >> this.active = active; >> this.description = description; >> } >> >> public StudyProgram (StudyProgram clone) { >> super (); >> this.id = clone.id; >> this.name = clone.name; >> this.duration = clone.duration; >> this.ects = clone.ects; >> this.active = clone.active; >> this.description = clone.description; >> } >> >> public StudyProgram clone (StudyProgram clone) { >> return new StudyProgram (clone); >> } >> >> public Integer getId() { >> return id; >> } >> >> public String getID () { >> return id.toString(); >> } >> >> public String getName() { >> return name; >> } >> >> public Integer getDuration() { >> return duration; >> } >> >> public Integer getEcts() { >> return ects; >> } >> >> public Boolean getActive() { >> return active; >> } >> >> public String getDescription() { >> return description; >> } >> >> public void setId(Integer id) { >> this.id = id; >> } >> >> public void setName(String name) { >> this.name = name; >> } >> >> public void setDuration(Integer duration) { >> this.duration = duration; >> } >> >> public void setEcts(Integer ects) { >> this.ects = ects; >> } >> >> public void setActive(Boolean active) { >> this.active = active; >> } >> >> public void setDescription(String description) { >> this.description = description; >> } >> } >> >> ================================ >> bean2 (has bean1 as a property) >> ================================ >> >> package beans.department; >> >> import beans.studyProgram.StudyProgram; >> >> public class Department extends >> org.apache.struts.validator.ValidatorActionForm { >> >> private static final long serialVersionUID = 4766571497570970495L; >> >> private Integer id; >> private String name; >> private Boolean active; >> private String description; >> private StudyProgram program; >> >> public Department() { >> super(); >> } >> >> public Department (Integer id) { >> this.id = id; >> } >> public Department(Integer id, String name, Boolean active, String >> description, StudyProgram program) { >> super(); >> this.id = id; >> this.name = name; >> this.active = active; >> this.description = description; >> this.program = program; >> } >> >> public Department (Department clone) { >> super (); >> this.id = clone.id; >> this.name = clone.name; >> this.active = clone.active; >> this.description = clone.description; >> if(clone.hasProgram()) >> this.program = clone.program; >> } >> >> public Department clone (Department clone) { >> return new Department (clone); >> } >> >> >> public boolean hasProgram () { >> return program!=null; >> } >> >> public Integer getId() { >> return id; >> } >> >> public String getID() { >> return id.toString(); >> } >> >> public String getName() { >> return name; >> } >> >> public Boolean getActive() { >> return active; >> } >> >> public String getDescription() { >> return description; >> } >> >> public StudyProgram getProgram() { >> return program; >> } >> >> public void setId(Integer id) { >> this.id = id; >> } >> >> public void setName(String name) { >> this.name = name; >> } >> >> public void setActive(Boolean active) { >> this.active = active; >> } >> >> public void setDescription(String description) { >> this.description = description; >> } >> >> public void setProgram (StudyProgram program) { >> this.program = program; >> } >> } >> >> ================================== >> struts config file >> ================================== >> >> >> > /> >> > type="beans.studyProgram.StudyProgram" >> /> >> > /> >> ....... >> > scope="request" type="actions.department.SaveDAction"> >> >> >> >> ================================= >> jsp page (just one part) no need to copy all >> ================================= >> >> >> >> >> =============================== >> tomcat trace >> =============================== >> SEVERE: Servlet.service() for servlet action threw exception >> java.lang.IllegalArgumentException: No bean specified >> at >> org.apache.commons.beanutils.PropertyUtilsBean.getPropertyDescriptor(PropertyUtilsBean.java:751) >> at >> org.apache.commons.beanutils.BeanUtilsBean.setProperty(BeanUtilsBean.java:937) >> at >> org.apache.commons.beanutils.BeanUtilsBean.populate(BeanUtilsBean.java:811) >> at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:298) >> at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:473) >> at >> org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:818) >> at >> utils.controller.RequestProcessHandler.processPopulate(RequestProcessHandler.java:384) >> at >> org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:194) >> at >> org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913) >> at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) >> at >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) >> at >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) >> at >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) >> at >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) >> at >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) >> at >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) >> at >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) >> at >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:263) >> at >> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) >> at >> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) >> at >> org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) >> at java.lang.Thread.run(Unknown Source) >> =============================================================== >> >> Laurie Harper wrote: >>> auz wrote: >>>> hope some1 can help me out, i have a Struts ActionFormBean who has a >>>> complex >>>> type as an attribute (also ActionFormBean), the problem is i dont know >>>> how >>>> to populate it, tryed everything. i presume i have to extend >>>> RequestProcessor's populateProcess method or something like that, can >>>> any1 >>>> help. NOTE i'm using struts 1.3.9. I have tryed all options for >>>> property >>>> name on page using struts tags ie (property="bean1.bean2.id" or >>>> "bean2". >>>> "bean2.id" ) and also made various setters for property bean1 but >>>> nothing >>>> gave any result every time i get beanUtils populate exception >>>> >>>> tnx >>>> >>>> i know this can be done, just dunno how, some code would also be >>>> apritiated >>> Ditto :-) Post the code you're using, the stack trace for the exception >>> and any other relevant log output and perhaps someone can see where >>> you're going wrong. This should work pretty easily. >>> >>> - Are both ActionFormBBean classes properly JavaBean compliant? >>> >>> - Do you have the appropriate getter/setter pairs on the 'outer' bean >>> for the 'inner' one? (i.e. getBean2() / setBean2() methods) >>> >>> - how are you instantiating the inner bean? (statically? in bean1's >>> constructor? in bean1's reset() method?) >>> >>> You could also try cranking log levels up to debug and see if you can >>> spot a problem in the additional log messages. >>> >>> L. >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: user-unsubscribe@struts.apache.org >>> For additional commands, e-mail: user-help@struts.apache.org >>> >>> >>> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscribe@struts.apache.org > For additional commands, e-mail: user-help@struts.apache.org > > > -- View this message in context: http://www.nabble.com/populating-ActionFormBean-s-tp15518640p15641637.html Sent from the Struts - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscribe@struts.apache.org For additional commands, e-mail: user-help@struts.apache.org