Hi Wade.,
Thank you very much!
I can pass the System.loadlibrary method...while calling my method only
i'm getting error.
Actually i did copy the dill to winnt/system32 and jre/bin folder.
Dll accessing java code i recompiled with new jdk.
So i'm in right way right?
what will be issue in my case..
Thanks.,
MALAI
----- Original Message -----
From: "Wade Chandler" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <[EMAIL PROTECTED]>
Sent: Friday, April 23, 2004 2:37 PM
Subject: Re: Accessing Dll's
> Wade Chandler wrote:
>
> > armalai_uk wrote:
> >
> >> Hi.,
> >> This code has been written in JDK 1.3.0_03 couple of years back and
i
> >> implemented in JRun 3.1
> >> Now i'm trying to use this same code in Tomcat 4.1 with J2SDK
1.4.2_03.
> >> According to your previos mail i understand that i have to rewrite the
> >> code
> >> using J2SDK 1.4.2 specifications.
> >> Is it correct?
> >> Can you please give me the steps that i have to do inorder to make my
> >> code
> >> compatible to 1.4.2..
> >>
> >> Thanks.,
> >> MALAI
> >> ----- Original Message ----- From: "Wade Chandler"
> >> <[EMAIL PROTECTED]>
> >> To: "Tomcat Users List" <[EMAIL PROTECTED]>
> >> Sent: Friday, April 23, 2004 12:52 AM
> >> Subject: Re: Accessing Dll's
> >>
> >>
> >>
> >>> Wade Chandler wrote:
> >>>
> >>>
> >>>> Annamalai Ramasamy wrote:
> >>>>
> >>>>
> >>>>> Hi.,
> >>>>> Yes,I did see my dll path using this line.
> >>>>>
> >>>>> Thanks.,
> >>>>> MALAI
> >>>>> Ryan Lissack <[EMAIL PROTECTED]> wrote:
> >>>>> Hi,
> >>>>>
> >>>>> Execute the following :
> >>>>>
> >>>>> System.out.println(System.getProperty("java.library.path"));
> >>>>>
> >>>>> See what directories are there. If the one(s) with your DLL(s) are
not
> >>>>> listed you can add them as a startup param to the VM using the -D
> >>
> >>
> >> option
> >>
> >>>>> (java -Djava.library.path=.....)
> >>>>>
> >>>>> HTH
> >>>>>
> >>>>> Regards,
> >>>>> Ryan.
> >>>>>
> >>>>> -----Original Message-----
> >>>>> From: Annamalai Ramasamy [mailto:[EMAIL PROTECTED]
> >>>>> Sent: 22 April 2004 16:33
> >>>>> To: Tomcat Users List
> >>>>> Subject: RE: Accessing Dll's
> >>>>>
> >>>>>
> >>>>> Hi.,
> >>>>> Check my below java code.
> >>>>> I do not have native source codes.
> >>>>>
> >>>>> I'm sure there is no version conflicts.
> >>>>> But i have copied the dll in more than one places..like winnt,
> >>>>> system32 and
> >>>>> jre/bin like that.
> >>>>>
> >>>>> any idea?
> >>>>>
> >>>>> public class AddressValidate {
> >>>>>
> >>>>> private Address inad;
> >>>>> private Address outad;
> >>>>> private String usercompany;
> >>>>>
> >>>>> public StringBuffer csReturnErrorMsg;
> >>>>> public StringBuffer csReturnStreet;
> >>>>> public StringBuffer csReturnCityName;
> >>>>> public StringBuffer csReturnCounty;
> >>>>> public StringBuffer csReturnState;
> >>>>> public StringBuffer csReturnZip;
> >>>>> //To load DLL AvsWebInrterface static{
> >>>>> try{
> >>>>> System.loadLibrary("AvsWebInterface");
> >>>>> System.out.println("DLL Loaded"); }catch(Exception e){
> >>>>> System.err.println("Could not load DLL \"AvsWebInterface \" :
> >>>>> "+e.toString());
> >>>>> System.out.println("Could not load DLL \"AvsWebInterface \" :
> >>>>> "+e.toString());
> >>>>>
> >>>>> }catch(Throwable e){
> >>>>> System.err.println("Could not load DLL \"AvsWebInterface:\"
> >>>>> "+e.toString());
> >>>>> System.out.println("Could not load DLL \"AvsWebInterface:\"
> >>>>> "+e.toString());
> >>>>> }
> >>>>> } //end of static
> >>>>>
> >>
> >>
//--------------------------------------------------------------------------
> >>
> >>
> >>>>> -
> >>>>>
> >>>>> //Native method implemented in cpp public native String
> >>>>> JAVAAVSValidate (String company, String street1, String city, String
> >>>>> state, String zip, StringBuffer csReturnStreet, StringBuffer
> >>>>> csReturnCityName, StringBuffer csReturnCounty, StringBuffer
> >>>>> csReturnState, StringBuffer csReturnZip, StringBuffer
> >>>>> csReturnErrorMsg)
> >>
> >>
> >> ;
> >>
> >>
//--------------------------------------------------------------------------
> >>
> >>
> >>>>> -
> >>>>> public AddressValidate(){
> >>>>> inad=null;
> >>>>> outad=null;
> >>>>> usercompany=new String("");
> >>>>>
> >>>>> }
> >>>>>
> >>
> >>
//--------------------------------------------------------------------------
> >>
> >>
> >>>>> -
> >>>>> public String validate (Address inad,Address outad){
> >>>>> csReturnStreet=new StringBuffer(""); csReturnCityName=new
> >>>>> StringBuffer(""); csReturnCounty=new StringBuffer("");
> >>>>> csReturnState=new StringBuffer(""); csReturnZip=new
StringBuffer("");
> >>>>> csReturnErrorMsg=new StringBuffer(""); this.inad=inad;
> >>>>> this.outad=outad;
> >>>>>
> >>>>>
> >>>>> try{
> >>>>> // System.out.println("Street1 :"+inad.Street1);
> >>>>> // System.out.println("city :"+inad.City);
> >>>>> // System.out.println("state :"+inad.State);
> >>>>> // System.out.println("postalcode"+inad.PostalCode);
> >>>>>
> >>>>> JAVAAVSValidate (usercompany,
> >>>>> inad.Street1,
> >>>>> inad.City,
> >>>>> inad.State,
> >>>>> inad.PostalCode, csReturnStreet, csReturnCityName, csReturnCounty,
> >>>>> csReturnState, csReturnZip, csReturnErrorMsg);
> >>>>> outad.Street1 = csReturnStreet.toString(); outad.City =
> >>>>> csReturnCityName.toString(); outad.County =
csReturnCounty.toString();
> >>>>> outad.State = csReturnState.toString(); outad.PostalCode =
> >>>>> csReturnZip.toString(); // System.out.println("Street1
> >>
> >>
> >> :"+outad.Street1);
> >>
> >>>>> // System.out.println("city :"+outad.City);
> >>>>> // System.out.println("state :"+outad.State);
> >>>>> // System.out.println("postalcode"+outad.PostalCode);
> >>>>>
> >>>>> }catch(Exception e){
> >>>>> System.out.println("Error in Validating Address " + e.toString());
> >>>>> }
> >>>>>
> >>>>> return (csReturnErrorMsg.toString());
> >>>>> }
> >>>>>
> >>>>>
> >>>>> }
> >>>>>
> >>>>> Peter Guyatt wrote:
> >>>>> Hi There,
> >>>>>
> >>>>> Can I see you native code and your class that declares you native
> >>>>> methods.
> >>>>>
> >>>>> Thanks
> >>>>>
> >>>>> Pete
> >>>>>
> >>>>> -----Original Message-----
> >>>>> From: Mark Schmeets [mailto:[EMAIL PROTECTED]
> >>>>> Sent: 22 April 2004 16:13
> >>>>> To: Tomcat Users List
> >>>>> Subject: Re: Accessing Dll's
> >>>>>
> >>>>>
> >>>>> Hi,
> >>>>> Is it possible that this dll is being loaded somewhere else in your
> >>>>> instance?
> >>>>> My experience with this error came from trying to use the Oracle
> >>>>> native
> >>>>> JDBC drivers. It usually came down to one of three issues, first
that
> >>>>> the dll couldn't be "found", second that another web-app had already
> >>>>> loaded it, third it was a dll versioning problem.
> >>>>> Hope it helps.
> >>>>>
> >>>>> Mark
> >>>>>
> >>>>> Annamalai Ramasamy wrote:
> >>>>>
> >>>>>
> >>>>>
> >>>>>> Hi.,
> >>>>>> Again same error.
> >>>>>> I did put the dll to /jre/bin and winnt/system32.
> >>>>>> Any other ideas please...
> >>>>>> Thanks.,
> >>>>>> MALAI
> >>>>>>
> >>>>>> Hans Wichman wrote:
> >>>>>> sorry, i meant lib\bin\ instead of lib\ext\
> >>>>>>
> >>>>>> grtz
> >>>>>> Sorv
> >>>>>>
> >>>>>> At 03:43 PM 4/22/2004 +0100, Annamalai Ramasamy wrote:
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>> Hi.,
> >>>>>>> Again Same Error..
> >>>>>>> Actually after the System.loadlibrary..i can able to see my
> >>>>>>> system.out.println values.
> >>>>>>> Then while trying to call my method i'm getting
> >>
> >>
> >> UnsatishfiedLinkError.
> >>
> >>>>>>> Thanks.,
> >>>>>>> MALAI
> >>>>>>>
> >>>>>>> Hans Wichman wrote:
> >>>>>>> try putting them in the lib/ext folder of your j2sdk1.4.2_03
folder.
> >>>>>>>
> >>>>>>> grtz
> >>>>>>> Sorv
> >>>>>>>
> >>>>>>> At 03:24 PM 4/22/2004 +0100, Annamalai Ramasamy wrote:
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>> Hi.,
> >>>>>>>> I'm using Tomcat4.0.29 with J2SDK 1.4.2_03.
> >>>>>>>> I have my native libraries(dll's) in winnt folder.
> >>>>>>>> I'm loading the dll thru System.loadlibrary and accessing the
> >>
> >>
> >> methods.
> >>
> >>>>>>>> I'm getting UnsatishfiedLinkError.
> >>>>>>>> My class files are in my web-inf classes directory.
> >>>>>>>> In forums i searcehed, and i tried out all possibility like
> >>>>>>>> setting path and changing my classes to common/classes and all.
> >>>>>>>> Please give me your suggestions...
> >>>>>>>> Thanks.,
> >>>>>>>> MALAI
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> ---------------------------------
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> >>
> >>
> >> today!
> >>
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> >>>>>>>>
> >>>>>>>>
> >>>>>>>
>
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> >>>>
> >>>>
> >>>> This may sound like a strange question, though I have not seen it
> >>>> asked.
> >>>> Are you using JNI? You have to use JNI to be able to access the
> >>>> methods. The library could load fine, but the DLL still not be
found.
> >>>> Also, did you use javah to create your h file? If not this is your
> >>>> problem. You have a special set of entry points so the C code can be
> >>>> used by the java code. C++ name mangling causes issues, and the JNI
> >>>> has
> >>>> a special way it looks for method names. If you are not using JNI
you
> >>>> can look it up in the latest java docs.
> >>>>
> >>>> Wade
> >>>>
> >>>
> >>>
> >>> I meant the library could load fine and the methods still not be found
> >>> in the dll. This is because of the naming conventions.
> >>>
> >>> Wade.
> >>>
> >>>
> >>>
> >>> ---------------------------------------------------------------------
> >>> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >>> For additional commands, e-mail: [EMAIL PROTECTED]
> >>
> >>
> >>
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: [EMAIL PROTECTED]
> >> For additional commands, e-mail: [EMAIL PROTECTED]
> >>
> >>
> >>
> >
> > The spec did change, but not enough to cause incompatibilties with old
> > code. There were some new invocation methods created and I think that
> > was basically the gist of the changes. The same exact code should work
> > fine. Did you recompile your lib? Just to make sure something wasn't
> > going on? Also, I think someone else already mentioned this, but if you
> > changed the java classpath then you would get the unsatisfied link
> > error. I hope that helps.
> >
> > One other thing. Obviously it is loading your library or you would get
> > an exception on the loadLibrary call. So it definitely has to do with
> > it not finding the method inside the library. You don't have multiple
> > copies do you? Maybe it's loading a lib you don't know about? Windows
> > searches the path and then uses the first one it finds.
> >
> > Wade
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: [EMAIL PROTECTED]
> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
> >
> First one it finds meaning first file it finds....I've got to get into
> better habits.
>
> ;-)
>
> --
> Wade Chandler
> Red-e Set Grow, LLC
> Phone: 336-777-0075 x1705
> Email: [EMAIL PROTECTED]
> www.redesetgrow.com
>
>
>
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