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From Jason Bainbridge <ja...@jblinux.org>
Subject Re: java.lang.UnsatisfiedLinkError: no c in java.library.path
Date Thu, 15 May 2003 19:22:12 GMT
Uhm wouldn't a DLL need to go into C:\WINDOWS\System32? I know the ghastly 
JDBC- ADO bridge JDBC driver we used to use had a supporting dll that had to 
either go in a hard coded location or in the windows system directory.

J.


On Fri, 16 May 2003 03:11 am, Ian Warner wrote:
> Hi group:
>
> Any help with the follwoing error would be greatly appreciated
>
> 2003-05-15 12:50:15 StandardContext[/hello-jaxrpc]: Exception sending
> context initialized event to listener instance of class
> com.sun.xml.rpc.server.http.JAXRPCContextListener
> java.lang.UnsatisfiedLinkError: no testc in java.library.path
>
> starting the application but can't find "testc.dll" is the problem but
> where should i put it under the tomcat directory structure? i have run out
> of places to try - i've tried WEB-INF, WEB-INF/classes, shared/classes and
> even tried puttin it jar format under WEB-INF/lib and shared/lib but to no
> avail. Here's the xml that starts the app if it helps, it is called
> hello-jaxrpc and resides in webapps (there's no entry in the server.xml)
>
> <Context path="/hello-jaxrpc" docBase="../webapps/hello-jaxrpc" debug="3"
> privileged="true">
>
>   <Logger className="org.apache.catalina.logger.FileLogger"
>           prefix="hello-jaxrpc_log." suffix=".txt" timestamp="true"/>
>
> </Context>
>
> Here's what i'm trying to do. I have a client that is sending a msg to a
> simpe tomcat server app called hello.
>
> package hello;
> public class HelloImpl implements HelloIF {
>
>  public String message = "Hello ";
>
>     public String sayHello(String s) {
>     return message + si;
>     }
> }
> The above server code works fine, the client sends a string, this server
> sends back hello + string to the client, so far so good.
>
> Now the trouble comes -  i'm trying to call a "c" class in testc.dll from
> the above java class (modified below) but get
> "java.lang.UnsatisfiedLinkError: no testc in java.library.path" in the
> hello-jaxrpc_log i set up for the application. How do I set the
> java.library.path ? Or what's the default path? I thought is was
> webapps/WEB-INF/classes
>
> Here the modifed code
>
> package hello;
> public class HelloImpl implements HelloIF {
>
>  public String message = "Hello ";
>  public int i=0;
>
>     public String sayHello(String s) {
>     i = new HelloImpl().gemsg(); // added call to native code
>     return message + s + i;
>     }
>     public native int getmsg(); // getmsg() is a c routine compiled into
> testc.dll, all it does is return an integer.
>
>     static {
>         System.loadLibrary("testc"); // this fails when the application is
> being loaded by tomcat, i never even get to run the client }
>   }

-- 
Jason Bainbridge
KDE Web Team - http://kde.org 
webmaster@kde.org 

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