Sana - Please see our wiki entry: http://wiki.rifidi.org/index.php/LLRPHelloWorld
Are you using the LLRPHelloWorld 1.5? I think this problem occurrs when you run an old version of LLRPHelloWorld with the newer version of Rifidi, because there was a bug in it. Thanks, Kyle Rifidi-Developers List wrote: > Hello, > > I get run time error messages when I run a modified version of Rifidi > emulator 1.5 (server) on one PC and a modified version of the > LLRPHelloWorld (client) on another PC. > Parts of the output in the client console below: > > ... output omitted ... > ==> Sending message StartROSpec > wait for end of ROSpec > _java.io.IOException_: UHFBandCapabilities.deserializeBody(): > Unhandled parameter class edu.uark.csce.llrp.UHFC1G2RFModeTable > at > edu.uark.csce.llrp.UHFBandCapabilities.deserializeBody(_UHFBandCapabilities.java:78_) > at edu.uark.csce.llrp.Parameter.deserialize(_Parameter.java:339_) > at > edu.uark.csce.llrp.RegulatoryCapabilities.deserializeBody(_RegulatoryCapabilities.java:72_) > at edu.uark.csce.llrp.Parameter.deserialize(_Parameter.java:339_) > at > edu.uark.csce.llrp.GetReaderCapabilitiesResponse.deserializeBody(_GetReaderCapabilitiesResponse.java:76_) > at edu.uark.csce.llrp.Message.receive(_Message.java:272_) > at > LLRPHelloWorldClient$ReadThread.read(_LLRPHelloWorldClient.java:540_) > [Raw read]: length = 5 > 0000: 17 03 01 00 30 ....0 > > ... output omitted ... > > <== INPUT from READER > **** Length: 67 bytes > Bytelength :67 > _java.io.IOException_: Parameter.deserialize(): Unknown param type 0 > [Raw read]: length = 5 > 0000: 17 03 01 00 40 ....@ > [Raw read]: length = 64 > 0000: EC 7F 39 61 44 15 A4 89 F4 08 7A 1C F4 C9 53 16 ..9aD.....z...S. > 0010: 8A C2 01 9B FC C3 7C F8 86 F4 0D 37 25 CC B9 8F ...........7%... > 0020: 5F F0 C8 C9 1C 62 76 27 37 46 81 1F E9 10 5B AC _....bv'7F....[. > 0030: 52 19 A3 17 0A 76 C1 8D 7B 60 EA C7 FD AC CD 68 R....v...`.....h > Thread-0, READ: , length = 64 > <== INPUT from READER > **** Length: 39 bytes > Bytelength :39 > *** ReaderEventNotification > <Message type="ReaderEventNotification"> > <ReaderEventNotificationData> > <UTCTimestamp> > <Microseconds value="1210600187000000"/> > </UTCTimestamp> > <ROSpecEvent> > <EventType value="1"/> > <ROSpecID value="1"/> > <PreemptingROSpecID value="0"/> > </ROSpecEvent> > </ReaderEventNotificationData> > </Message> > === END of INPUT > > at edu.uark.csce.llrp.Parameter.deserialize(_Parameter.java:324_) > at > edu.uark.csce.llrp.TagReportData.deserializeBody(_TagReportData.java:134_) > at edu.uark.csce.llrp.Parameter.deserialize(_Parameter.java:339_) > at > edu.uark.csce.llrp.ROAccessReport.deserializeBody(_ROAccessReport.java:75_) > at edu.uark.csce.llrp.Message.receive(_Message.java:272_) > at > LLRPHelloWorldClient$ReadThread.read(_LLRPHelloWorldClient.java:540_) > at > LLRPHelloWorldClient$ReadThread.run(_LLRPHelloWorldClient.java:491_) > ... output omitted ... > > <== INPUT from READER > **** Length: 138 bytes > Bytelength :138 > _java.io.IOException_: Parameter.deserialize(): Unknown param type 0 > [Raw read]: length = 5 > 0000: 17 03 01 00 40 ....@ > [Raw read]: length = 64 > 0000: 36 8D D1 0B E8 8C 5B BC A1 0A A7 FB A4 7A 8D F7 6.....[......z.. > 0010: 56 89 E9 7D D3 6F 33 31 D2 9F BB E5 31 51 9D 10 V....o31....1Q.. > 0020: 91 F1 B2 6A 1E A5 1C A0 9A B5 93 63 A3 E2 93 31 ...j.......c...1 > 0030: 05 C0 93 69 71 65 5B 7D 83 E5 80 8E 9C BE 89 C2 ...iqe[......... > edu.uark.csce.llrp.Parameter.deserialize(_Parameter.java:324_) > at > edu.uark.csce.llrp.TagReportData.deserializeBody(_TagReportData.java:134_) > at edu.uark.csce.llrp.Parameter.deserialize(_Parameter.java:339_) > at > edu.uark.csce.llrp.ROAccessReport.deserializeBody(_ROAccessReport.java:75_) > at edu.uark.csce.llrp.Message.receive(_Message.java:272_) > at > LLRPHelloWorldClient$ReadThread.read(_LLRPHelloWorldClient.java:540_) > at > LLRPHelloWorldClient$ReadThread.run(_LLRPHelloWorldClient.java:491_) > > ...output omitted... > > I have not modified the code for llrp.jar and the rest of the LLRP > messages are being output correctly, so I am not sure what is causing > this. Any help will be appreciated. > > Regards > Sana > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > ------------------------------------------------------------------------ > > _______________________________________________ > Rifidi-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/rifidi-developers > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. 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