hi Luca,
thank you for your list, I have the following questions:
1.) could you give some more information on what the problem is? The
exception should give you some information what caused the
InvalidLLRPMEssageException, if you could also send the message sent (or the
code snipped run), that would be very helpful
2.) Did you encounter any problems with log4j 1.5?
3.) Thanks for the solution, looks like we missed the xerces jar
greets Basil
On Tue, Jan 4, 2011 at 7:07 PM, Luca Scarabello <[email protected]>wrote:
> First of all thank you for this great library, It helped me a lot and I
> would like to give some feedbacks to help other users!
>
>
>
> I want to point out some little problems I encountered compiling from
> sources the library and using it with Impinj (I used R640 and R420 devices
> in my test).
>
>
>
> I’ve compiled LTKJava checking out the sources from HEAD/trunk. Then I
> replaced the “official lib” (ltkjava-1.0.0.6) used in one of my project with
> the one just compiled but I encountered some problems.
>
>
>
>
>
> 1 – First problem
>
>
>
> I tried the code but soon after the LLRPConnector.connect() method is
> called an error ( org.llrp.ltk.exceptions.InvalidLLRPMessageException ) was
> reported in errorOccured method.
>
>
>
> I captured the network traffic with wireshark and decoded it via
> http://www.llrp.org/tools/decode.html. Everything seemed ok, the error
> occurred in the lib.
>
>
>
> After a lot of tries I replaced the files in Definitions\Core\ with files
> tagged ltkjava_1_0_0_5.
>
> i.e. I replaced llrp-1x0.xsd version 1.8 with version 1.7 and
> llrp-1x0-def.xml version 1.12 with version 1.11
>
>
>
> I repeated the test and the problems was fixed.
>
>
>
> It seems that the last commits of llrp-1x0.xsd and llrp-1x0-def.xml broke
> the java version of the toolkit.
>
>
>
> 2 – Second problem
>
> The readme file says to use log4j version 1.2.15 but build.xml wants
> version 1.2.14.
>
> Which is the right one?
>
> Anyway I used the 1.2.14 version successfully.
>
>
>
> 3 – Third problem
>
> This problem is related to Impinj extension only.
>
> I added the Impinj.xsd and Impinjdef.xml files in Definitions directory
> before compiling to allow custom extensions to be available.
>
> When I try to use the custom message IMPINJ_ENABLE_EXTENSIONS the library
> report an error (java.lang.NoClassDefFoundError) in errorOccured method.
>
> To fix this I added the line “<zipfileset src="lib/xerces.jar" />” in
> “jarWithDep”
> rule of the build.xml.
>
>
>
> That’s all folks. Thank you again for your great work!
>
> *Luca*
>
>
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should the need arise, upgrade to a full multi-node Oracle RAC database
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