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From Christopher Schultz <>
Subject Re: unable to access comm ports on apache tomcat 6.0.18
Date Wed, 13 Oct 2010 18:11:51 GMT
Hash: SHA1


On 10/12/2010 11:43 PM, ramkumar wrote:
>     Thank you for your response. I dont the communication api version  i
> think it is 2.0.

They are on 3.0, now.

> I searched for latest version but i could not find it for
> windows OS. I get it from some uploader site.

There don't appear to be any implementations for Microsoft Windows.

What "uploader site" did you get it from? I generally don't just
download stuff randomly from unrecognized sites. I guess many Microsoft
Windows users do that.

- From the Java Communication API download page:

Sun no longer offer's the Windows platform binaries of javax.comm,
however javax.comm 2.0.3 can be used for the Windows platform, by using
it in conjunction with the Win32 implementation layer provided by the
RxTx project. To use that, download javax.comm for the 'generic'
platform (which provides the front-end javax.comm API only, without
platform specific back-end implementations bundled). Then acquire the
Windows binary implementation rxtx-2.0.7pre1 from

Sounds relatively straightforward to me.

Boy, Sun/Oracle's website is impossible to navigate. Trying to find that
download page basically required Google. :(

> My WEB-INF\LIB has following jar files

Your project's lib directory is a complete mess.

As Pid points out, you have a lot of libraries in there that aren't
appropriate: remove all the Tomcat-related stuff and maybe put the
java-comm.jar or whatever it's called in there.

- -chris
Version: GnuPG v1.4.10 (MingW32)
Comment: Using GnuPG with Mozilla -


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