KishanV / javahidapi

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packaged test harnest throws IOException on linux (ubuntu) #6

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago
What steps will reproduce the problem?
1. download the distribution from the download section (or checkout trunk)
2. run: make -C linux
3. patch the build.xml (ant run assumes the "mac" subfolder in line 78) by 
replacing mac with linux.
4. run: ant
5. run: ant run (also: "sudo ant run" doesn't work)

What is the expected output? What do you see instead?
I would have expected a list (empty or at least one device), but instead, I see 
the following output:
someuser@ubuntu:~/Downloads/javahidapi$ sudo ant run
Buildfile: /home/someuser/Downloads/javahidapi/build.xml

init:

build-project:
     [echo] hidapi: /home/someuser/Downloads/javahidapi/build.xml

run:
     [java] /home/someuser/Downloads/javahidapi/linux
     [java] 
     [java] java.io.IOException: 
     [java]     at com.codeminders.hidapi.HIDManager.listDevices(Native Method)
     [java]     at com.codeminders.hidapi.HIDAPITest.listDevices(HIDAPITest.java:122)
     [java]     at com.codeminders.hidapi.HIDAPITest.main(HIDAPITest.java:34)
     [java] waiting connect/disconnect...

What version of the product are you using? On what operating system?
trunk and the available download. Ubuntu (latest)

Original issue reported on code.google.com by mirkoj...@gmail.com on 8 Feb 2012 at 10:27

GoogleCodeExporter commented 8 years ago
I also tested with the latest (trunk version) of the hidapi and there 
everything seems to work as expected. I was able to see my usb devices 
(executed as root only though).

Original comment by mirkoj...@gmail.com on 8 Feb 2012 at 10:29

GoogleCodeExporter commented 8 years ago
I checked revision 1488859b113b and there everything works just fine (in case 
that helps)

Original comment by mirkoj...@gmail.com on 8 Feb 2012 at 11:06

GoogleCodeExporter commented 8 years ago
thanks. We are finishing some tests and will publish a tarball with new build, 
based on SVN trunk shortly.

Is my understanding that it works OK in trunk but not in release tarball 
correct?

Original comment by kroko...@gmail.com on 9 Feb 2012 at 1:03

GoogleCodeExporter commented 8 years ago
hmm, I could have sworn that it didn't work on trunk, but I just checked out 
the trunk again and retested it without any issue. Also detaching and 
reattaching devices worked like a charm with the test program. So I guess this 
one is fixed. Many Thanks!

Original comment by mirkoj...@gmail.com on 9 Feb 2012 at 1:23

GoogleCodeExporter commented 8 years ago

Original comment by kroko...@gmail.com on 9 Feb 2012 at 5:11