/** In this method we apply the JMS acknowledgement and redelivery semantics as per JMS spec */ @Override public void onMessage(final ClientMessage message) { ActiveMQMessage msg = ActiveMQMessage.createMessage(message, session.getCoreSession()); if (individualACK) { msg.setIndividualAcknowledge(); } try { msg.doBeforeReceive(); } catch (Exception e) { ActiveMQJMSClientLogger.LOGGER.errorPreparingMessageForReceipt( msg.getCoreMessage().toString(), e); return; } if (transactedOrClientAck) { try { message.acknowledge(); } catch (ActiveMQException e) { ((ClientSessionInternal) session.getCoreSession()).markRollbackOnly(); ActiveMQJMSClientLogger.LOGGER.errorProcessingMessage(e); } } try { connection.getThreadAwareContext().setCurrentThread(false); listener.onMessage(msg); } catch (RuntimeException e) { // See JMS 1.1 spec, section 4.5.2 ActiveMQJMSClientLogger.LOGGER.onMessageError(e); if (!transactedOrClientAck) { try { if (individualACK) { message.individualAcknowledge(); } session.getCoreSession().rollback(true); session.setRecoverCalled(true); } catch (Exception e2) { ActiveMQJMSClientLogger.LOGGER.errorRecoveringSession(e2); } } } finally { connection.getThreadAwareContext().clearCurrentThread(false); } if (!session.isRecoverCalled() && !individualACK) { try { // We don't want to call this if the consumer was closed from inside onMessage if (!consumer.isClosed() && !transactedOrClientAck) { message.acknowledge(); } } catch (ActiveMQException e) { ((ClientSessionInternal) session.getCoreSession()).markRollbackOnly(); ActiveMQJMSClientLogger.LOGGER.errorProcessingMessage(e); } } session.setRecoverCalled(false); }