ARTEMIS-1975 Fixing deadlock after error processing

artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/QueueImpl.java

@@ -3615,6 +3615,10 @@ public class QueueImpl extends CriticalComponentImpl implements Queue {
    /** This will print errors and decide what to do with the errored consumer from the protocol layer. */
    @Override
    public void errorProcessing(Consumer consumer, Throwable t, MessageReference reference) {
+      executor.execute(() -> errorProcessing(consumer, t, reference));
+   }
+
+   private void internalErrorProcessing(Consumer consumer, Throwable t, MessageReference reference) {
       synchronized (this) {
          ActiveMQServerLogger.LOGGER.removingBadConsumer(t, consumer, reference);
          // If the consumer throws an exception we remove the consumer