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About Thangaraj

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  1. Hello All, I have created the normal publishers and subscribers implemented using java , which works as reading the contents by size as 1MB of total size 5MB and published on every 1MB to the subscriber.Data is getting published successfully .Now 'm facing the issue on appending the content to the existing file .Finally i could find only the last 1MB of data in the file.So please let me to know how to solve this issue ? and also i have attached the source code for publisher and subscriber. Thanks in advance Publisher.txt Subscriber.txt
  2. Hello All, I am working in Linux platform ,implementing Opensplice DDS with Java using Eclipse as IDE. Publishesr and Subscribers of main classes are getting executed .Currently working in code coverage part using the tool EMMA .I have created the build file using ant script and created the targets for EMMA,At present 'm facing issue as mentioned below, This is the content at console: [emmajava] # A fatal error has been detected by the Java Runtime Environment: [emmajava] # [emmajava] # SIGSEGV (0xb) at pc=0x00f3a97a, pid=3580, tid=2472213360 [emmajava] # [emmajava] # JRE version: 6.0_20-b20 [emmajava] # Java VM: OpenJDK Client VM (19.0-b06 mixed mode linux-x86 ) [emmajava] # Derivative: IcedTea6 1.9.1 [emmajava] # Distribution: Custom build (Wed Oct 13 22:53:35 UTC 2010) [emmajava] # Problematic frame: [emmajava] # V [libjvm.so+0x20b97a] [emmajava] # [emmajava] # An error report file with more information is saved : hs_err_pid3580.log The error report is been attached..I would like to know is ,how to use the Opensplice DDS with EMMA coverage ?Should i wanna change any of the configurations ?Finally is it possible to make code coverage in DDS implementation ? If any body else is aware about this issue, please guide me to proceed it..Thanks in advance... hs_err_pid3580.log.txt
  3. Executing Java Files

    This works fine done some changes in environment variables.
  4. Executing Java Files

    Hello All, I am using java for Open splice DDS Implementation . I have created the JAR file and getting executed. Now i need to execute the main class file independently .Once started executing it, i could face some issue in the create participant() .Could some one guide me to solve this issue. Thanks in advance.. Sample Exception Codes: org.opensplice.dds.dcps.DomainParticipantFactoryImpl.get_instance() failed: org.opensplice.dds.dcps.DomainParticipantFactoryImpl.jniGetInstance()Lorg/opensplice/dds/dcps/DomainParticipantFactoryImpl; Exception in thread "main" java.lang.NullPointerException at DDS.DomainParticipantFactory.create_participant(Unknown Source) at com.covidien.laptopagent.dds.publisher.DDSEntityManager.createParticipant(DDSEntityManager.java:49) at com.covidien.laptopagent.dds.publisher.MessageDataPublisher.towriteDDS(MessageDataPublisher.java:72) at com.covidien.laptopagent.dds.publisher.MessageDataPublisher.main(MessageDataPublisher.java:56)
  5. create participant: invalid handle

    Thanks a lot.. It's really good question and handy answer.. Once againg thanks for you both,
  6. Initial Stages in OSPL DDS

    Hai All!! Need some clarifications on start and stop of publisher and subscriber.I would like to know the possbilities of start and stop the publisher by another publisher.More specifically is that possible to stop the data reader and data writer from the publisher. Please share your views it would be better .Your help is really appreciated.
  7. Publishers/Subscribers start and stop

    Hai All!! I am noob to Opensplice DDS ,have been completed the pbulishers and subscribers using pthread_() in C++ in the console.Right now 'm in the process of starting and stopping the publishers and subscribers from the web browser .I have started the publishers from the web browser & it works fine , and I 'd like to have some better idea about stopping the publishers and subscribers from the web browser.It's near to the deadline , If you are aware about this please kindly share your thoughts it would be better for me to solve it. Your help is really appreciated .. Thanks in advance..