how to load native java library

Question

I am trying to load a dll native library using System.load method, but it doesn't help, it throws exception.

Here is code:

package test;

import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import one.xmpp.server.network.BigResponseServer;

public class main {
    static {
        System.load("D:\\one-xmpp-proxy-master\\one-xmpp-proxy-master\\libs\\tcnative-1.dll");
    }

    public static void main(String [] args) {
        Runtime.getRuntime().loadLibrary("tcnative-1.dll");     
    }
}

The program throws this exception:

Exception in thread "main" java.lang.UnsatisfiedLinkError: no tcnative-1.dll in java.library.path
    at java.lang.ClassLoader.loadLibrary(Unknown Source)
    at java.lang.Runtime.loadLibrary0(Unknown Source)
    at java.lang.Runtime.loadLibrary(Unknown Source)
    at test.main.main(main.java:26)

score 0 · Accepted Answer · edited Mar 04 '18 at 11:45

0

In order for System.loadLibrary() to work, the library (on Windows, a DLL) must be in a directory somewhere on your PATH or on a path listed in the java.library.path system property (so you can launch Java like java -Djava.library.path=/path/to/dir).

Read this answer for full explanation, make sure to upvote the author.

edited Mar 04 '18 at 11:45

Mark Rotteveel

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answered Mar 03 '18 at 17:52

Karol Dowbecki

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kdowbecki , i don't understand , can you explain more clearly? You mean that i must load all dll files in java folder? – Ваня Пупко Mar 03 '18 at 17:59
Edited the answer and left the link to full answer in other question. – Karol Dowbecki Mar 03 '18 at 18:00
Don't answer questions with only a quote from an answer of another question, if you can do that, it is a sign you should flag/vote to close as a duplicate of that question. – Mark Rotteveel Mar 04 '18 at 11:46

how to load native java library

1 Answers1