Does anybody have an idea, where this exception is from. I�m still working
on it......
Thaks a lot, Michael
--
Fehlerfreie Software wirkt weniger komplex und diskreditiert damit den
Entwickler!
----- Original Message -----
From: "Michael Olszynski" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>;
<[EMAIL PROTECTED]>
Sent: Thursday, December 19, 2002 11:48 AM
Subject: Re: beanutils populate problem with formbeans and vectors
> Hi Richard,
>
> thanks for your help. I tried what u wrote me, but it didn�t work. I get
> following exception:
>
>
> 11:36:32,775 ERROR [Engine]
> ApplicationDispatcher[/Zeiterfassung_Applikation] Se
> rvlet.service() for servlet jsp threw exception
> org.apache.jasper.JasperException
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
> .java:248)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
> 89)
> at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
> atcher.java:684)
> at
> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationD
> ispatcher.java:575)
> at
> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDis
> patcher.java:498)
> at
> org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary
> .java:820)
> at
> org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.jav
> a:395)
> at
> org.apache.struts.taglib.template.GetTag.doStartTag(GetTag.java:191)
> at
> org.apache.jsp.template_jsp._jspx_meth_template_get_4(template_jsp.ja
> va:221)
> at
> org.apache.jsp.template_jsp._jspx_meth_html_html_0(template_jsp.java:
> 118)
> at org.apache.jsp.template_jsp._jspService(template_jsp.java:62)
> at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
> .java:204)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
> 89)
> at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
> atcher.java:684)
> at
> org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationD
> ispatcher.java:575)
> at
> org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDis
> patcher.java:498)
> at
> org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary
> .java:820)
> at
> org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.jav
> a:395)
> at
> org.apache.struts.taglib.template.InsertTag.doEndTag(InsertTag.java:1
> 55)
> at
> org.apache.jsp.index_jsp._jspx_meth_template_insert_0(index_jsp.java:
> 108)
> at org.apache.jsp.index_jsp._jspService(index_jsp.java:71)
> at
> org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:136)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
> .java:204)
> at
> org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
> 89)
> at
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:240)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDisp
> atcher.java:684)
>
>
****************************************************************************
> **
>
> Here ist the Code I wrote:
>
> FormBean:
>
> public class TimeProofFormBean extends ActionForm {
>
>
> public FormBeanVector getTimeProofList() {
> return this.timeProofList;
> }
>
> public void setTimeProofList( Vector v ) {
> this.timeProofList = new FormBeanVector (
TimeProofTableBean.class,
> v);
> }
>
> public FormBeanVector getDayBeanList() {
> return this.dayBeanList;
> }
>
> public void setDayBeanList( Vector v ) {
> this.dayBeanList = new FormBeanVector(DayBean.class,v);
> }
>
> private FormBeanVector timeProofList = new
> FormBeanVector(TimeProofTableBean.class);
> private FormBeanVector dayBeanList = new
FormBeanVector(DayBean.class);
>
> }
>
***************************************************************************
> My own vector:
>
> public class FormBeanVector extends Vector {
>
> // Empty constructor, just to set the type of class
> public FormBeanVector( Class _contentClass ) {
> if( _contentClass == null ) {
> System.out.println("this.contentClass = Object.class");
> this.contentClass = Object.class;
> }
> else {
> System.out.println("this.contentClass = " +
> _contentClass.getName());
> this.contentClass = _contentClass;
>
> }
> }
>
> // Constructor for the java.util.vector type
> public FormBeanVector( Class _contentClass, java.util.Vector vector )
{
> // Call my own constructor
> this( _contentClass );
> this.addAll( vector );
> System.out.println("konstruktor mit vectoerchen");
> }
>
> public Object get( int index ) {
> System.out.println("public Object get( int index ): "+index);
> if( index >= this.size() ) {
> try {
> return contentClass.newInstance();
> }
> catch( Exception x ) {
> x.printStackTrace();
> }
> }
> return this.get( index );
> }
>
>
> public Object set( int index, Object value ) {
> System.out.println("public Object set( int index, Object value ):
> "+index);
> int size = this.size();
> if( index >= size ) {
> // Be sure to have enough elements in the vector
> for( int i = size; i <= index; i++ ) {
> try {
> this.add( contentClass.newInstance() );
> }
> catch( Exception x ) {
> x.printStackTrace();
> }
> }
> }
> // Call set from java.util.vector to set the element
> return super.set( index, value );
> }
>
> private Class contentClass;
> }
>
> ********************************************************************
> an example jsp code:
> <logic:iterate id="dayBeanList" indexId="listIdx" name="timeProofForm"
prope
> rty="dayBeanList">
> <td align="center" bgcolor="#8DBBE6">
> <a class="<bean:write name="dayBeanList" property="cssClass"/>"
> href="projekterfassung.do?day=<bean:write name="dayBeanList"
> property="parameter"/>">
> <bean:write name="dayBeanList" property="date"/></a>
> </td>
> </logic:iterate>
>
>
> can you find the error I get?
>
>
> Thanks Michael
> --
> Fehlerfreie Software wirkt weniger komplex und diskreditiert damit den
> Entwickler!
> ----- Original Message -----
> From: "Yee, Richard K,,DMDCWEST" <[EMAIL PROTECTED]>
> To: "'Struts Users Mailing List'" <[EMAIL PROTECTED]>
> Sent: Wednesday, December 18, 2002 7:38 PM
> Subject: RE: beanutils populate problem with formbeans and vectors
>
>
> Michael,
> The problem is that the get method is being called when your Collection is
> empty. This is causing the ArrayIndexOutOfBounds exception that you are
> seeing. What I have done to prevent this problem is to code my
getXXXXX(int
> index) and setXXXX(int index, Object obj) methods like this:
>
> public Object getMyVector(int index) {
> if (index >= myVector.size())
> return "";
> return myVector.get(index);
> }
>
> public void setMyVector(int index, Object value) {
> int size=myVector.size();
> if (index >= size) {
> for(int i=size; i<=index; i++) {
> myVector.add("");
> }
> }
> myVector.set(index,value);
> }
>
> For the get method, I just return an empty string if the index is bigger
> than the current size of the vector. For the set method, I increase the
size
> of the vector up to the index if the current size is smaller, otherwise I
> just set the value that the index points to. This alleviates the need to
> pre-fill the Vector in the constructor.
>
> This solution also works with indexed properties in an html form too.
>
> Regards,
>
> Richard
>
>
> > -----Original Message-----
> > From: Michael Olszynski [SMTP:[EMAIL PROTECTED]]
> > Sent: Wednesday, December 18, 2002 9:08 AM
> > To: 'Struts Users Mailing List'
> > Subject: beanutils populate problem with formbeans and vectors
> >
> > Hi,
> >
> > I�ve always get an Exception, when I try to change my scope in the
> > struts-config.xml from "session" to "request".
> > I think the problem is that I have a getter and setter for a vector in
my
> > formbean.
> > Everything works well with the scope "session". My formbean is also
> > working if i completly remove the getter/setter vector out of my bean
and
> > my jsp�s.
> > But I�d like to use a bean in a scope session with a getter/setter for
> > vectors. Anybody has a clue about this problem. I read some things in
the
> > mailarchive, but that didn�t help me.
> >
> > This is the error:
> > javax.servlet.ServletException: BeanUtils.populate
> > at
> > org.apache.struts.util.RequestUtils.populate(RequestUtils.java:980)
> > at
> >
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor
> > .java:779)
> > at
> >
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:24
> > 6)
> > at
> > org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
> > at
> > org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applicati
> > onFilterChain.java:247)
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilter
> > Chain.java:193)
> > at
> >
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.
> > java:260)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.
> > java:191)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java
> > :246)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
> > at
> >
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:1
> > 80)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValv
> > e.java:170)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:1
> > 72)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.ja
> > va:174)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.jav
> > a:1040)
> > at
> >
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:11
> > 51)
> > at java.lang.Thread.run(Thread.java:536)
> >
> > root cause
> >
> > java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
> > at java.util.Vector.get(Vector.java:713)
> > at
> >
org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtil
> > s.java:503)
> > at
> >
org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtil
> > s.java:410)
> > at
> >
org.apache.commons.beanutils.PropertyUtils.getNestedProperty(PropertyUtils
> > .java:749)
> > at
> >
org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:
> > 780)
> > at
> > org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:793)
> > at
> > org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:726)
> > at
> > org.apache.struts.util.RequestUtils.populate(RequestUtils.java:978)
> > at
> >
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor
> > .java:779)
> > at
> >
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:24
> > 6)
> > at
> > org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
> > at
> > org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
> > at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applicati
> > onFilterChain.java:247)
> > at
> >
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilter
> > Chain.java:193)
> > at
> >
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.
> > java:260)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.
> > java:191)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java
> > :246)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
> > at
> >
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:1
> > 80)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValv
> > e.java:170)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:1
> > 72)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:641)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.ja
> > va:174)
> > at
> >
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.inv
> > okeNext(StandardPipeline.java:643)
> > at
> >
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480
> > )
> > at
> > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
> > at
> >
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.jav
> > a:1040)
> > at
> >
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:11
> > 51)
> > at java.lang.Thread.run(Thread.java:536)
> >
> > Thanks Michael
> > --
> > Fehlerfreie Software wirkt weniger komplex und diskreditiert damit den
> > Entwickler!
>
> --
> To unsubscribe, e-mail:
> <mailto:[EMAIL PROTECTED]>
> For additional commands, e-mail:
> <mailto:[EMAIL PROTECTED]>
>
>
>
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
>
>
--
To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]>
For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
