aws-messaging | SQS is the Simple Queue Service provided by AWS | AWS library
kandi X-RAY | aws-messaging Summary
kandi X-RAY | aws-messaging Summary
SQS is the Simple Queue Service provided by AWS. With SQS we can push messages on the queue and it will store those messages for a specified amount of time or until deleted. It does not follow a pub sub model but rather a polling model where messages have to explicitly be requested. (You could set up cloud watch logs to trigger a lambda or notify a server to begin the polling process, or you can manually invoke the polls, or you could set up a server to automatically poll at certain time intervals). The SQS messaging queues we create would be apart of AWS serverless services. We do not have to manage the server that the Queue is hosted on and we do not pay for the duration in which it is not being used. We only pay based on the messages we are sending.
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Top functions reviewed by kandi - BETA
- Example of testing
- Polls from SQS queue .
- Publish a message .
- Delete a message from queue .
aws-messaging Key Features
aws-messaging Examples and Code Snippets
Community Discussions
Trending Discussions on aws-messaging
QUESTION
I have a standard SNS topic and I´ve set the "subscription filter policy" like this:
...ANSWER
Answered 2021-Aug-11 at 15:43According to official documentation, there is MessageAttributeValue.Builder, which matches what you need.
QUESTION
I got a service in Java with Spring-boot + spring-cloud-aws-messaging ... that uploads files into S3 ...
It's failing when tries to upload a file into S3 bucket (only when I run it in docker-compose).
here is my code
pom.xml
...ANSWER
Answered 2022-Feb-07 at 13:05If you are trying to access an s3 bucket with localstack via an aws api; you would need to withPathStyleEnabled
flag turned on.
for eg:
QUESTION
Aws sdk getting instance credential from eks instead of ec2
I'm using spring cloud aws to send send messages to an sns, and local the credential chain work fine with a .aws/credentials file. However in the cloud it is not being that easy.
For cloud deployment, we are using IAM roles for service accounts. In the SDK doc, the credential chain assumes this role if no other is found.
This would be the easy way, but it doesn't happen, when spring is up it somehow is taking the role that is assigned to node eks, which in theory it shouldn't even fill, which is not correct and causes a permission error when i use sns.
...ANSWER
Answered 2022-Jan-25 at 02:43Adding the lib aws-java-sdk-sts to the project solved the problem
QUESTION
I have a multimodule Maven project where parent pom is as follows
...ANSWER
Answered 2022-Jan-12 at 10:04You have declared 'org.springframework.boot' as the parent module of both modules. So if some jars and artifacts like 'com.amazonaws' do not exist in 'org.springframework.boot', they won't be resolved in your project. These dependencies are not announced in 'Spring' module in your project and whatever you have declared in it, can be found in 'org.springframework.boot', then resolved. If you do not declare a 'version' tag in your pom, I guess the version of the parent (here 2.6.1) will be considered for your module version.
QUESTION
I cannot see the messages in the SQS queue being consumed by the @SqsListener
...ANSWER
Answered 2021-Dec-15 at 22:56You are using a third party API. To use invoke Amazon Simple Queue Service (SQS) from a Java project, use the Official AWS SDK for Java V2. If you are not aware how to use this SDK, see this DEV Guide:
Developer guide - AWS SDK for Java 2.x
For AWS SQS specific information, see:
Working with Amazon Simple Queue Service
This has links to AWS Github where you will find POM dependencies, code, etc.
QUESTION
I'm using spring-cloud-sleuth.version:3.0.4
and spring-cloud-aws-messaging:2.2.6.RELEASE
It correctly propogates trace id with HTTP requests.
However, it seems that it doesn't work with SQS.
Is there any way to automatically send and consume sleuth traceId with SQS communication.
...ANSWER
Answered 2021-Nov-18 at 19:14Spring Cloud AWS is now a community project, see: https://awspring.io/ The current release train of Spring Cloud (2020.x), where you can find Sleuth 3.x does not include/support it.
You should use io.awspring.cloud:spring-cloud-aws-messaging:2.3.x
instead of org.springframework.cloud:spring-cloud-aws-messaging:2.2.x
with the current release train of Spring Cloud (2020.x).
Because of these, Sleuth does not instrument Spring AWS Messaging directly but if you can use SQS in a way that integrates with Spring Integration/Messaging/Stream/something that is already instrumented, this could work; i.e.: I would try using QueueMessageChannel
and the annotations, I don't think QueueMessagingTemplate
will work.
Another thing you can do is manually instrument it and propagate tracing information in the headers, see: TraceSpringMessagingAutoConfiguration
QUESTION
I am new to spring integration and currently stuck on unit testing my integration flow. My flow looks something like this.
- Recieve some data from TCP channel adapter in XML format.
- Convert it to JSON.
- Send JSON message to amazon sqs queue.
and XML file is :
...ANSWER
Answered 2021-Sep-13 at 14:13See Spring Integration testing support documentation: https://docs.spring.io/spring-integration/docs/current/reference/html/testing.html#testing. The framework provides for us a MockIntegrationContext
via @SpringIntegrationTest
marker on the Spring JUnit test class. The MockIntegration
factory lets us to create respective mocks and stub their handling logic. Then you can substitute endpoint beans with your mocks and so.
QUESTION
ANSWER
Answered 2021-Jun-29 at 16:05Please read the Spring blog https://spring.io/blog/2020/04/17/spring-cloud-2020-0-0-m1-released
Spring Cloud AWS and Spring Cloud GCP are no longer part of the release train. They will continue to be part of Hoxton as long as it is supported – at least thru June of 2021. Spring Cloud GCP will continue on as a separate project in https://github.com/GoogleCloudPlatform.
QUESTION
I have an SqsListener using a custom QueueMessageHandlerFactory with a message converter to go from JSON to POJO and back. If for whatever reason the listener method can't parse the JSON body in a message, it will throw a org.springframework.messaging.converter.MessageConversionException. I want to catch this exception and log it properly. I know that JMS listeners allow you to add a custom ErrorHandler as part of the Factory definition.
Is there a similar way to define a custom ErrorHandler to catch this exception using Spring's SqsListener and log it?
Thanks!
...ANSWER
Answered 2020-Dec-07 at 20:33Nevermind, seems like all I need to do is add a @MessageExceptionHandler annotation to my custom handler:
QUESTION
I am in the process of developing a common java library with reusable logic to interact with some AWS services, that will in turn be used by several consumer applications. For reasons outlined here, and the fact that Spring Boot seems to provide a lot of boilerplate free code for things like SQS integration, I have decided to implement this common library as a custom spring boot starter with auto configuration.
I am also completely new to the Spring framework and as a result, have run into a problem where my auto-configured class's instance variables are not getting initialized via the AutoWired annotation.
To better explain this, here is a very simplified version of my common dependency.
CommonCore.java
...ANSWER
Answered 2020-Oct-28 at 12:38Wild guess, but I think it's because of the order of how things are constructed. I am talking about this class:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install aws-messaging
Select the Simple Queue Service from the Services dropdown in the AWS console.
If you have no queues it should have an option for get started now, if you do you can select create new queue.
Give the queue a name, I will call mine: demo-queue.
You can leave it on Standard Queue, it talks about the differences between Standard and FIFO in that menu.
If you wish you can select Configure Queue at the bottom However you shouldn't have to change any of the options from their defaults, unless you want to.
Then select Create Queue at the bottom.
To do this properly we will first need to create an IAM user. Open up the IAM service, preferably in another tab.
To do this properly we will first need to create an IAM user.
Open up the IAM service, preferably in another tab.
Creating a user Select Users from the side nav on the left. Select Add user now. I will give mine a username of java-demo Access type you only need to select Programmatic access. Select Next: Permissions Select Create group I will name my group java-demo-group, multiple users can be attached to groups. In the table below, search for and select both AmazonSNSFullAccess and AmazonSQSFullAccess. - note that in an actual production application you wouldn't want to give full access to all of sns and sqs but rather you would create a more restrictive policy that only allows for certain operations on certain sns topics and sqs queues. Select Create group from the bottom. Select Next: Review Select Create-user Note the access keys, AND NEVER HARD CODE THESE OR PUT THEM IN A FILE THAT WILL BE PUSHED TO AN ONLINE REPO!!!!! We will store these in environment variables. Add an environment variable called MESSAGING_ACCESS_KEY with the access key id, and add an environment variable called MESSAGING_SECRET_ACCESS_KEY Then you can close the page showing your keys - note if you did this wrong you cannot view these keys again, you will have to create a new user which isn't that big a deal.
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