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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of services
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@Override
protected void configure() {
try {
bind(AccountService.class).to(AccountServiceImpl.class);
bind(Person.class).toConstructor(Person.class.getConstructor());
// bind(Person.class).toProvider(new Provider() {
// public Person g
Community Discussions
Trending Discussions on services
QUESTION
How to publish two messages of the same type to different worker instances based on the message content without using Send and RequestAddress?
My scenario is:
I am using Azure ServiceBus and Azure StorageTables.
I am running two different instances of the same worker service workera and workerb. I need workera and workerb to both consume messages of type Command based on the value of Command.WorkerPrefix.
the Command type looks like:
...ANSWER
Answered 2021-Jun-15 at 23:37Using MassTransit with Azure Service Bus, I would suggest taking the message routing burden away from the publisher, and moving it to the consumer. By configuring the receive endpoint and using a subscription filter each instance would add its own subscription and use a message header to filter published messages.
On the publisher, a message header would be added:
QUESTION
I am having this weird issue with elastic beanstalk. I am using docker compose to run multiple docker containers on same elastic beanstalk instance.
if I run 4 docker containers everything works fine. but if i make it 5, deploy fails with error Instance deployment failed to download the Docker image. The deployment failed
.
and if I check eb-engine.log. it retries to docker pull
command and fails with error.
this is really weird error. bcs all docker images are valid and correctly tagged. it just the number of services that I am adding in docker compose file. if number is greater than 4, deploy fails
my question is, is there any limit of docker services that can be run using docker compose ? or is there any timeout in elastic beanstalk to pull images?
...ANSWER
Answered 2021-Jun-16 at 03:01Based on the comments.
The issue was that t2.micro
instance was used. The instance has only 1 vCPu and 1GB of ram. This was not enough to run 5 docker containers. Changing instance type to t2.large
with 8GB ram and 2 vCPUs solved the problem.
docker-compose allows to specify cpu and memory limits. Maybe you can set them up to keep your containers resource requirements in check.
QUESTION
So I initialized CAS using cas-initializr
with the following command inside the cas
folder:
ANSWER
Answered 2021-Jun-15 at 18:37Starting with 6.4 RC5 (which is the version you run as of this writing and should provide this in your original post):
The collection of thymeleaf user interface template pages are no longer found in the context root of the web application resources. Instead, they are organized and grouped into logical folders for each feature category. For example, the pages that deal with login or logout functionality can now be found inside login or logout directories. The page names themselves remain unchecked. You should always cross-check the template locations with the CAS WAR Overlay and use the tooling provided by the build to locate or fetch the templates from the CAS web application context.
https://apereo.github.io/cas/development/release_notes/RC5.html#thymeleaf-user-interface-pages
Please read the release notes and adjust your setup.
All templates are listed here: https://apereo.github.io/cas/development/ux/User-Interface-Customization-Views.html#templates
QUESTION
I created an empty asp.net core web application (dotnet new web -n
) and went to the github for IdentityServer4.Quickstart.UI and was followed the instructions to add the quickstart UI. I first did the powershell cmd iex ((New-Object System.Net.WebClient).DownloadString('https://raw.githubusercontent.com/IdentityServer/IdentityServer4.Quickstart.UI/main/getmain.ps1'))
to download the files and run the application but it keeps telling me Index not found
but the file is inside of the Views
folder. So I then deleted all those files it downloaded from the project and installed it using its templates by running the cmds dotnet new -i identityserver4.templates
then dotnet new is4ui --force
which downloaded those files again onto my project. However, it keeps telling me the same message.
I noticed that under the Quickstart
folder, contains a folder named Home
which has the HomeController.cs
and the namespace is as IdentityServerHost.Quickstart.UI
... do I need to change that namespace to match my solution i.e. ids.Quickstart.Home
?
What is causing this to display that error when infact there is the Index.cshtml file inside of the Views folder?**
This is my startup.cs
file:
ANSWER
Answered 2021-Jun-15 at 14:49Try changing your app.UseEndpoints( endpoints => ...)
line, in your Configure()
method to the following:
QUESTION
When I call the method llaveCom.getName() I always get a null, I don't know why
Code of component"
...ANSWER
Answered 2021-Jun-15 at 15:59You should use constructor injection. And because you already injection Llaveompo you don't need to have @Value for the secret.
QUESTION
I'm trying to docerize my NodeJS API together with a MySQL image. Before the initial run, I want to run Sequelize migrations and seeds to have the tables up and ready to be served.
Here's my docker-compose.yaml
:
ANSWER
Answered 2021-Jun-15 at 15:38I solved my issue by using Docker Compose Wait. Essentially, it adds a wait loop that samples the DB container, and only when it's up, runs migrations and seeds the DB.
My next problem was: those seeds ran every time the container was run - I solved that by instead running a script that runs the seeds, and touch
s a semaphore file. If the file exists already, it skips the seeds.
QUESTION
I'm creating a generic repository as follows:
...ANSWER
Answered 2021-Jun-15 at 15:37Three things come immediate to mind.
The first is nothing to do with your question but CouponRepository
should not have its own member for _couponApiDBContext
it has access to the base class TContext
- that's the whole point of having it generic in the first place.
The second is that you are specializing IRepository
with RedeemCoupon
method in ICouponRepository
- so you have zero chance of registering an open generic type and just expecting DI to know what actual interface you're after.
You're left with removing this AddTransient(typeof(IRepository<>), typeof(Repository<,>))
- it's pointless as DI cannot instantiate an abstract class anyway, and that is the root cause of your error message and you should register AddTransient()
and request ICouponRepository
where you need it - you cant ask for IRepository
as that will not have your RedeemCoupon
method which I assume you need.
QUESTION
I have bunch of GRPC microservices and they are using self signed certs. I add authentication info to the GRPC channel which is then used to identify endpoints and provide right services.
Now I want migrate to Istio mTLS.
In phase one, I got Istio to BYPASS all GRPC connections and my services works as it is now.
In Phase two, I want to hand off TLS to Istio, but I am stuck on how to pass the authentication information to GRPC?
How do you handle auth in Istio mTLS setup?
GRPC can support other authentication mechanisms Has anyone used this to inject Istio auth info to GRPC? any other suggestions on how you implemented this in your setup
I am using go-lang just in case if this can be useful to provide any additional information.
Thanks
...ANSWER
Answered 2021-Jun-11 at 09:21One way of doing this is using grpc.WithInsecure()
, this way you don't have to add certificates to your services, since istio-proxy
containers in your pods will TLS terminate any incoming connections.
Client side:
QUESTION
I have the following serializer setup to take in a postcode and return a list of service objects:
...ANSWER
Answered 2021-Jun-15 at 13:39I just checked the docs and they specify returning the value. Try returning it like this:
QUESTION
I try to write a (postgres) sql query which returns the last rows before a specific numeric column drops below it's preceding value, for multiple services
.
Let's say the given data looks like:
...ANSWER
Answered 2021-Jun-15 at 12:28Based on your data, you want to see where the values increase from the value on the immediately preceding value for that service. For that, use lag()
:
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