How to delete all messages from SQS Queue at once Java

Question

According to the Amazon documentation, the code to delete a single message from the SQS Queue is:

    // Delete a message
System.out.println("Deleting a message.\n");
String messageReceiptHandle = messages.get(0).getReceiptHandle();
sqs.deleteMessage(new DeleteMessageRequest()
    .withQueueUrl(myQueueUrl)
    .withReceiptHandle(messageReceiptHandle));

However, say I have more than 20 or so messages, do I really have to process this for every single message? Or is there a way to do a batch delete?

Thanks for any insights.

Why the downvote? It seems a good question

Roberto
– Roberto

2016-11-25 16:56:08 +00:00
Commented Nov 25, 2016 at 16:56 — Roberto
– Roberto, Commented Nov 25, 2016 at 16:56

Roberto · Accepted Answer · 2016-11-25 16:52:54Z

9

If you want to delete all messages you don't need batch delete, you should Purge the queue like so:

var request = new Amazon.SQS.Model.PurgeQueueRequest
{
    QueueUrl = "your queue url"
};
_sqsClient.PurgeQueue(request);

Purging a queue removes all the messages already in the queue

answered Nov 25, 2016 at 16:52

Roberto

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Mick · Accepted Answer · 2023-09-08 16:22:23Z

2

For completeness as this Q&A comes up still when searching and Java 2 API examples are hard to find, here is the purge example in Java:

SqsClient sqs = SqsClient.builder()
         .region(Region.EU_WEST_1)
         .credentialsProvider(ProfileCredentialsProvider.create("default"))
         .build();


PurgeQueueRequest pqRequest = PurgeQueueRequest.builder()
            .queueUrl("your SQS queu URL (not ARN!)")
            .build();

sqs.purgeQueue(pqRequest);

answered Sep 8, 2023 at 16:22

Mick

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Comments

Ramachandran.A.G · Accepted Answer · 2016-08-31 15:11:36Z

1

Just looking at the API for doing something similar DeleteMessageBatchRequest seems to do the trick.

answered Aug 31, 2016 at 15:11

Ramachandran.A.G

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1 Comment

Jaidyn Belbin Over a year ago

Ah, I thought there may have been docs, but I couldn't find what I was looking for. Cheers for that

Mark B · Accepted Answer · 2016-08-31 15:11:51Z

0

If you look at the SDK documentation, you will see a deleteMessageBatch method which takes a list of messages.

answered Aug 31, 2016 at 15:11

Mark B

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