Example usage for org.springframework.amqp.rabbit.connection RabbitUtils isMismatchedQueueArgs

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.connection RabbitUtils isMismatchedQueueArgs.

Prototype

public static boolean isMismatchedQueueArgs(Exception e) 

Source Link

Document

Return true if there is a ShutdownSignalException in the cause tree and its reason is "PRECONDITION_FAILED" and the operation being performed was queueDeclare.

Usage

From source file:org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.java

protected void checkMismatchedQueues() {
    if (this.mismatchedQueuesFatal && this.rabbitAdmin != null) {
        try {/*from   w w w. ja v a2s .  co  m*/
            this.rabbitAdmin.initialize();
        } catch (AmqpConnectException e) {
            logger.info("Broker not available; cannot check queue declarations");
        } catch (AmqpIOException e) {
            if (RabbitUtils.isMismatchedQueueArgs(e)) {
                throw new FatalListenerStartupException("Mismatched queues", e);
            } else {
                logger.info("Failed to get connection during start(): " + e);
            }
        }
    }
}

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From source file:org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.java

/**
 * Use {@link RabbitAdmin#initialize()} to redeclare everything if necessary.
 * Since auto deletion of a queue can cause upstream elements
 * (bindings, exchanges) to be deleted too, everything needs to be redeclared if
 * a queue is missing.// w  w w .  ja va 2 s. c o m
 * Declaration is idempotent so, aside from some network chatter, there is no issue,
 * and we only will do it if we detect our queue is gone.
 * <p>
 * In general it makes sense only for the 'auto-delete' or 'expired' queues,
 * but with the server TTL policy we don't have ability to determine 'expiration'
 * option for the queue.
 * <p>
 * Starting with version 1.6, if
 * {@link #setMismatchedQueuesFatal(boolean) mismatchedQueuesFatal} is true,
 * the declarations are always attempted during restart so the listener will
 * fail with a fatal error if mismatches occur.
 */
protected synchronized void redeclareElementsIfNecessary() {
    RabbitAdmin rabbitAdmin = getRabbitAdmin();
    if (rabbitAdmin == null || !isAutoDeclare()) {
        return;
    }
    try {
        ApplicationContext applicationContext = this.getApplicationContext();
        if (applicationContext != null) {
            Set<String> queueNames = this.getQueueNamesAsSet();
            Map<String, Queue> queueBeans = applicationContext.getBeansOfType(Queue.class);
            for (Entry<String, Queue> entry : queueBeans.entrySet()) {
                Queue queue = entry.getValue();
                if (isMismatchedQueuesFatal() || (queueNames.contains(queue.getName())
                        && rabbitAdmin.getQueueProperties(queue.getName()) == null)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Redeclaring context exchanges, queues, bindings.");
                    }
                    rabbitAdmin.initialize();
                    return;
                }
            }
        }
    } catch (Exception e) {
        if (RabbitUtils.isMismatchedQueueArgs(e)) {
            throw new FatalListenerStartupException("Mismatched queues", e);
        }
        logger.error("Failed to check/redeclare auto-delete queue(s).", e);
    }
}

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From source file:org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.java

private void checkMismatchedQueues() {
    if (this.mismatchedQueuesFatal && this.rabbitAdmin != null) {
        try {/*from w w w. j  av a2 s  .c  om*/
            this.rabbitAdmin.initialize();
        } catch (AmqpConnectException e) {
            logger.info("Broker not available; cannot check queue declarations");
        } catch (AmqpIOException e) {
            if (RabbitUtils.isMismatchedQueueArgs(e)) {
                throw new FatalListenerStartupException("Mismatched queues", e);
            } else {
                logger.info("Failed to get connection during start(): " + e);
            }
        }
    }
}

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From source file:org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer.java

/**
 * Use {@link RabbitAdmin#initialize()} to redeclare everything if necessary.
 * Since auto deletion of a queue can cause upstream elements
 * (bindings, exchanges) to be deleted too, everything needs to be redeclared if
 * a queue is missing./*from  w  w  w  .  j  a v a2  s  . c  o m*/
 * Declaration is idempotent so, aside from some network chatter, there is no issue,
 * and we only will do it if we detect our queue is gone.
 * <p>
 * In general it makes sense only for the 'auto-delete' or 'expired' queues,
 * but with the server TTL policy we don't have ability to determine 'expiration'
 * option for the queue.
 * <p>
 * Starting with version 1.6, if
 * {@link #setMismatchedQueuesFatal(boolean) mismatchedQueuesFatal} is true,
 * the declarations are always attempted during restart so the listener will
 * fail with a fatal error if mismatches occur.
 */
private synchronized void redeclareElementsIfNecessary() {
    if (this.rabbitAdmin == null) {
        return;
    }
    try {
        ApplicationContext applicationContext = this.getApplicationContext();
        if (applicationContext != null) {
            Set<String> queueNames = this.getQueueNamesAsSet();
            Map<String, Queue> queueBeans = applicationContext.getBeansOfType(Queue.class);
            for (Entry<String, Queue> entry : queueBeans.entrySet()) {
                Queue queue = entry.getValue();
                if (this.mismatchedQueuesFatal || (queueNames.contains(queue.getName())
                        && this.rabbitAdmin.getQueueProperties(queue.getName()) == null)) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("Redeclaring context exchanges, queues, bindings.");
                    }
                    this.rabbitAdmin.initialize();
                    return;
                }
            }
        }
    } catch (Exception e) {
        if (RabbitUtils.isMismatchedQueueArgs(e)) {
            throw new FatalListenerStartupException("Mismatched queues", e);
        }
        logger.error("Failed to check/redeclare auto-delete queue(s).", e);
    }
}

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