org.eclipse.persistence.exceptions.DiscoveryException java code examples

Common ways to obtain DiscoveryException

private void myMethod () {
 DiscoveryException d =Object[] arguments;new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, errorNumber, arguments))
Exception internalEx;DiscoveryException.errorJoiningMulticastGroup(internalEx)
Exception internalEx;DiscoveryException.errorSendingAnnouncement(internalEx)
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}

  public static DiscoveryException errorReceivingAnnouncement(Exception internalEx) {
    Object[] args = {  };
    DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_RECEIVING_ANNOUNCEMENT, args));
    ex.setErrorCode(ERROR_RECEIVING_ANNOUNCEMENT);
    ex.setInternalException(internalEx);
    return ex;
  }
}

/**
 * INTERNAL:
 * Create the multicast socket and join the multicast group.
 */
public void createCommunicationSocket() {
  Object[] args = { multicastGroupAddress, "" + multicastPort };
  rcm.logDebug("initializing_discovery_resources", args);
  if (communicationSocket == null) {
    try {
      communicationSocket = new MulticastSocket(multicastPort);
      communicationSocket.setTimeToLive(getPacketTimeToLive());
      communicationSocket.joinGroup(InetAddress.getByName(multicastGroupAddress));
    } catch (IOException ex) {
      // Either we couldn't create the socket or we couldn't join the group
      DiscoveryException discoveryEx = DiscoveryException.errorJoiningMulticastGroup(ex);
      rcm.handleException(discoveryEx);
    }
  }
}

/**
 * INTERNAL:
 * Send out an announcement that we are here.
 */
public void announceSession() {
  rcm.logDebug("sending_announcement", (Object[])null);
  ServiceAnnouncement outMsg = new ServiceAnnouncement(rcm.getServiceId());
  byte[] outBytes = outMsg.toBytes();
  try {
    // Create a packet to send and send it out to everyone listening
    DatagramPacket sendPacket = new DatagramPacket(outBytes, outBytes.length, InetAddress.getByName(multicastGroupAddress), multicastPort);
    getCommunicationSocket().send(sendPacket);
    Object[] args = null;
    rcm.logInfo("announcement_sent", args);
  } catch (Exception ex) {
    // We got an exception. Map it to an RCM exception and call the handler
    DiscoveryException discoveryEx = DiscoveryException.errorSendingAnnouncement(ex);
    rcm.handleException(discoveryEx);
  }
}

} else {
  rcm.handleException(DiscoveryException.errorReceivingAnnouncement(exception));

/**
 * INTERNAL:
 * Create the multicast socket and join the multicast group.
 */
public void createCommunicationSocket() {
  Object[] args = { multicastGroupAddress, "" + multicastPort };
  rcm.logDebug("initializing_discovery_resources", args);
  if (communicationSocket == null) {
    try {
      communicationSocket = new MulticastSocket(multicastPort);
      communicationSocket.setTimeToLive(getPacketTimeToLive());
      communicationSocket.joinGroup(InetAddress.getByName(multicastGroupAddress));
    } catch (IOException ex) {
      // Either we couldn't create the socket or we couldn't join the group
      DiscoveryException discoveryEx = DiscoveryException.errorJoiningMulticastGroup(ex);
      rcm.handleException(discoveryEx);
    }
  }
}

/**
 * INTERNAL:
 * Send out an announcement that we are here.
 */
public void announceSession() {
  rcm.logDebug("sending_announcement", (Object[])null);
  ServiceAnnouncement outMsg = new ServiceAnnouncement(rcm.getServiceId());
  byte[] outBytes = outMsg.toBytes();
  try {
    // Create a packet to send and send it out to everyone listening
    DatagramPacket sendPacket = new DatagramPacket(outBytes, outBytes.length, InetAddress.getByName(multicastGroupAddress), multicastPort);
    getCommunicationSocket().send(sendPacket);
    Object[] args = null;
    rcm.logInfo("announcement_sent", args);
  } catch (Exception ex) {
    // We got an exception. Map it to an RCM exception and call the handler
    DiscoveryException discoveryEx = DiscoveryException.errorSendingAnnouncement(ex);
    rcm.handleException(discoveryEx);
  }
}

} else {
  rcm.handleException(DiscoveryException.errorReceivingAnnouncement(exception));

public static DiscoveryException errorJoiningMulticastGroup(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_JOINING_MULTICAST_GROUP, args));
  ex.setErrorCode(ERROR_JOINING_MULTICAST_GROUP);
  ex.setInternalException(internalEx);
  return ex;
}

/**
 * INTERNAL:
 * Create the multicast socket and join the multicast group.
 */
public void createCommunicationSocket() {
  Object[] args = { multicastGroupAddress, "" + multicastPort };
  rcm.logDebug("initializing_discovery_resources", args);
  if (communicationSocket == null) {
    try {
      communicationSocket = new MulticastSocket(multicastPort);
      communicationSocket.setTimeToLive(getPacketTimeToLive());
      communicationSocket.joinGroup(InetAddress.getByName(multicastGroupAddress));
    } catch (IOException ex) {
      // Either we couldn't create the socket or we couldn't join the group
      DiscoveryException discoveryEx = DiscoveryException.errorJoiningMulticastGroup(ex);
      rcm.handleException(discoveryEx);
    }
  }
}

/**
 * INTERNAL:
 * Send out an announcement that we are here.
 */
public void announceSession() {
  rcm.logDebug("sending_announcement", (Object[])null);
  ServiceAnnouncement outMsg = new ServiceAnnouncement(rcm.getServiceId());
  byte[] outBytes = outMsg.toBytes();
  try {
    // Create a packet to send and send it out to everyone listening
    DatagramPacket sendPacket = new DatagramPacket(outBytes, outBytes.length, InetAddress.getByName(multicastGroupAddress), multicastPort);
    getCommunicationSocket().send(sendPacket);
    Object[] args = null;
    rcm.logInfo("announcement_sent", args);
  } catch (Exception ex) {
    // We got an exception. Map it to an RCM exception and call the handler
    DiscoveryException discoveryEx = DiscoveryException.errorSendingAnnouncement(ex);
    rcm.handleException(discoveryEx);
  }
}

} else {
  rcm.handleException(DiscoveryException.errorReceivingAnnouncement(exception));

public static DiscoveryException errorLookingUpLocalHost(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_LOOKING_UP_LOCAL_HOST, args));
  ex.setErrorCode(ERROR_LOOKING_UP_LOCAL_HOST);
  ex.setInternalException(internalEx);
  return ex;
}

public static DiscoveryException errorSendingAnnouncement(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_SENDING_ANNOUNCEMENT, args));
  ex.setErrorCode(ERROR_SENDING_ANNOUNCEMENT);
  ex.setInternalException(internalEx);
  return ex;
}

public static DiscoveryException errorJoiningMulticastGroup(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_JOINING_MULTICAST_GROUP, args));
  ex.setErrorCode(ERROR_JOINING_MULTICAST_GROUP);
  ex.setInternalException(internalEx);
  return ex;
}

public static DiscoveryException errorSendingAnnouncement(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_SENDING_ANNOUNCEMENT, args));
  ex.setErrorCode(ERROR_SENDING_ANNOUNCEMENT);
  ex.setInternalException(internalEx);
  return ex;
}

public static DiscoveryException errorLookingUpLocalHost(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_LOOKING_UP_LOCAL_HOST, args));
  ex.setErrorCode(ERROR_LOOKING_UP_LOCAL_HOST);
  ex.setInternalException(internalEx);
  return ex;
}

  public static DiscoveryException errorReceivingAnnouncement(Exception internalEx) {
    Object[] args = {  };
    DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_RECEIVING_ANNOUNCEMENT, args));
    ex.setErrorCode(ERROR_RECEIVING_ANNOUNCEMENT);
    ex.setInternalException(internalEx);
    return ex;
  }
}

  public static DiscoveryException errorReceivingAnnouncement(Exception internalEx) {
    Object[] args = {  };
    DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_RECEIVING_ANNOUNCEMENT, args));
    ex.setErrorCode(ERROR_RECEIVING_ANNOUNCEMENT);
    ex.setInternalException(internalEx);
    return ex;
  }
}

public static DiscoveryException errorJoiningMulticastGroup(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_JOINING_MULTICAST_GROUP, args));
  ex.setErrorCode(ERROR_JOINING_MULTICAST_GROUP);
  ex.setInternalException(internalEx);
  return ex;
}

public static DiscoveryException errorSendingAnnouncement(Exception internalEx) {
  Object[] args = {  };
  DiscoveryException ex = new DiscoveryException(ExceptionMessageGenerator.buildMessage(DiscoveryException.class, ERROR_SENDING_ANNOUNCEMENT, args));
  ex.setErrorCode(ERROR_SENDING_ANNOUNCEMENT);
  ex.setInternalException(internalEx);
  return ex;
}

Javadoc

Instances of this exception are raised if a problem is detected during the discovery of a TopLink cluster. This occurs as part of the RemoteCommandManager feature. TopLink exceptions should only ever be thrown by TopLink code.

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How to useDiscoveryException in org.eclipse.persistence.exceptions

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DiscoveryException
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org.eclipse.persistence.exceptions