Re: Help, Setting classpath, using external java libraries with Kawa

[Per Bothner <per at bothner dot com>]

On 04/01/2017 02:35 AM, Vasantha Ganesh wrote:
> Hello Bothner,
>   This is probably a noob question. In Java while compiling and using
> external libraries  we use -classpath option. How to use external java
> libraries with Kawa?
>
> I read https://www.gnu.org/software/kawa/Compiling.html
>
> Then I tried to compile scheme program with `--main` and `-C` options
> and generated a .class file. Then I tried to  run it with Java like a
> normal class file by setting -classpath option, but I get:
>
> Error: Could not find or load main class somescript
>
> I also tried the -J option with kawa and I get
>
> Error: Could not find or load main class
>
> I also tried to set the CLASSPATH to the external library (jar file),
> it does not work.

Show us the actual commands you're trying, including the command used
to create the jar file.

Both setting CLASSPATH and using -J should work.

Note you have to use a separate -J option for each "word":

kawa -J-cp -Jfoo.jar

is roughly equivalent to

java -cp foo.jar kawa.repl

On 04/01/2017 04:23 AM, Sudarshan S Chawathe wrote:>> From: Vasantha Ganesh <vasanthaganesh.k@gmail.com>

> If I understand your question correctly then it seems you need to use
> the -D option to define java.library.path suitably.  Example:
>
>   kawa -Djava.library.path="/where/the/java/libs/are:/another/one:/so/on"

The java.library.path relates to native libraries (.so/.dll, not .class or .jar files).
It don't think it is relevant here.
--
	--Per Bothner
per@bothner.com   http://per.bothner.com/