Hey Eric,
thanks for replying!
The thing is I'm NOT using struts 2 here , just basic jsp,javabeans and
servlets .(Its a sort of demo project!).
As of now my DAO fetches the result according to this query
if (con != null){
System.out.println("Connecte
Hi All,
Im developing a web app that performs the display of data in a tabular
manner.
Im trying to use the display tag library to help me with the pagination
and sorting of the data being presented . But , seem to have hit a roadblock
here , all samples of the displaytag library that I have come
Hi All ,
I'm trying to call an action class , On change of the values in a dropdown
box in my jsp .I also have to pass a value to the action class to execute
the method . Im trying to implement it only using Javascript as part of our
project requirements , and so using AJAX with JSON , dwr etc is r
Guess that didnt load properly.
Heres the pastebin for that snippet.
http://struts.1045723.n5.nabble.com/file/n3779718/ajms2KeY.txt snippet.txt
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JOSE L MARTINEZ-AVIAL wrote:
>
> Check the documentation for the tag
>
> http://struts.apache.org/2.0.14/docs/select.html
>
> I was referring to the attribute 'name', which indicates the name used to
> get the select value from the Action, and also to send the value back to
> the
> server. It
JOSE L MARTINEZ-AVIAL wrote:
>
> Well, the NPE is due to the fact that you are setting declaring dt_oid as
> an
> Integer(which can be null) but in the method listdomain is an int. The JVM
> automatically tries to convert Integer to int, but if it's null, it will
> throw a NPE, since an int can n
JOSE L MARTINEZ-AVIAL wrote:
>
> Struts does not know that yo want to should map that domainType to your
> bean. It wil try to map the parameters received from the request to the
> action. So for each parameter it founds in the request received from the
> user, it is gonna look in the action for
No its not present in the action class. That snippet was taken from the bean
class, that im using to set the values. Pardon my ignorance , but should i
set it in the action class too? (because i dont use it in the action class
directly ).
The bean class is just a set of getters and setters that im
Dave Newton-6 wrote:
>
> The snippet doesn't actually help, and can't you just include small
> samples in the email itself?
>
> The headerKey is a number, what are the ones filled by the tag? What
> does the setDomainType method take as a parameter? Have you defined
> any custom type converters?
JOSE L MARTINEZ-AVIAL wrote:
>
> Well, you are right, but I didn't say that that was the error :D. I just
> pointed to that because AFAIK a setter is needed for the
> parameterinterceptor to work, right?. Any case, and looking at the error
> '[Ljava.lang.String;@aea710', is it possible that it's
The domaintype is of type string .Im using it to store the domain type that
is selected from the master table (domain table) obtained through the jsp
(ie from the user ) after he selects values from the dropdown . The jsp
snippet for the same is placed below
http://struts.1045723.n5.nabble.com/file
As Suggested ive set the devmode to true and as hinted the error is being
thrown by the Parameters interceptor , as im new to coding im not being able
to figure out where I'm going wrong .Ive put logging into the action ,dao
classes and attached them here . The stack trace is as below.
my logging s
Im aware of the documentation .My question was how parameters interceptor
would be of use to me , for this particular application.
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devmode is disabled (I have never used it before) and how do I implement the
ParamsInterceptor and whats the use of the same ?
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I am submitting a form in the page and trying to store the value in a bean
(in the action class )and trying to use that bean to insert a row( but the
values from the form aren't being reflected onto the bean and hence the NPE)
, however I dont know how the values i submit from the form can be put
Following changes? I didnt get what you meant. i dont see any code :S
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Is there any way that i can set the value of one attribute that i obtain from
the database in this case objid as given in the loaddomaintype ()method DAO
class , to dt_oid , through the jsp
Please advise
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Yes the value of dt_oid is null at that point. Im trying to figure out how i
can populate it at that point .
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Ive cleaned the project and restarted eclipse
Yet it still throws the NPE
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Yes, very much .In fact, I copied the code directly from my IDE
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Im using the same version , as ive pasted for the DAO class.
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Yes very much the same code.But the method that leads to the NPE is not
static in the action class.
Im placing the action class below again
Action Class
http://struts.1045723.n5.nabble.com/file/n3663281/2vG8DAsH.txt
2vG8DAsH.txt
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I solved the issue , but right now im facing a Null pointer exception, which
Im trying to solve . Ive attached the pastebin links to the action and dao
class , and the stacktrace below. (This is on running the addupdomain
action.)
Inside AddDomain
Unknown else
Listing records
java.lang.NullPoin
The thread is followed up here. Please address this post .
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Yes there is a method doing that.Here is the snippet .
public void setDtList(List dtList) {
this.dtList = dtList;
}
public List getDtList() {
return dtList;
}
Ive also uploaded the entire action class.
http://struts.1045723.n5.nabbl
The jsp corresponding to the dropdown didnt show up im attaching it to the
below file.
http://struts.1045723.n5.nabble.com/file/n3555886/jsp_snippet.txt
jsp_snippet.txt
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Hi All,
Im developing a Crud example using Struts 2 where im in the need to load
values for a dropdown box dynamically from a database . However im just
getting a empty dropdown now .
The JSP code snippet is as below.
The action class and DAO for the same functio
Hi All,
Im developing a Crud example using Struts 2 where im in the need to load
values for a dropdown box dynamically from a database . However im just
getting a empty dropdown now .
The JSP code snippet is as below.
DomainType
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