mirror of https://github.com/dapr/quickstarts.git
fix resiliency readme files
Signed-off-by: Mukundan Sundararajan <65565396+mukundansundar@users.noreply.github.com>
This commit is contained in:
Mukundan Sundararajan
parent
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d54902b7af
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@ -6,13 +6,13 @@ Visit [this](https://docs.dapr.io/operations/resiliency/resiliency-overview//) l
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This quickstart includes one service:
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- Client service `order-processor`
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- Client service `order-processor`
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- Redis component spec `statestore.yaml`
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- Resiliency spec `resiliency.yaml`
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### Run the client service with Dapr and resiliency enabled
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1. Navigate to the app directory, install dependencies, and run the service with resiliency enabled via the config.yaml:
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1. Navigate to the app directory, install dependencies, and run the service with resiliency enabled via the config.yaml:
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### CSharp example:
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```bash
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@ -40,17 +40,17 @@ dapr run --app-id order-processor --config ../config.yaml --components-path ../.
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```bash
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cd ../state_management/javascript/sdk/order-processor
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npm install
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dapr run --app-id order-processor ../config.yaml --components-path ../../../components/ -- npm start
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dapr run --app-id order-processor --config ../config.yaml --components-path ../../../components/ -- npm start
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```
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### Python example:
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```bash
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cd ../state_management/python/sdk/order-processor
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pip3 install -r requirements.txt
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dapr run --app-id order-processor ../config.yaml --components-path ../../../components/ -- python3
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pip3 install -r requirements.txt
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dapr run --app-id order-processor --config ../config.yaml --components-path ../../../components/ -- python3 app.py
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```
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### Expected output:
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### Expected output:
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```bash
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== APP == Saving Order: { orderId: '1' }
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== APP == Getting Order: { orderId: '1' }
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@ -63,7 +63,7 @@ dapr run --app-id order-processor ../config.yaml --components-path ../../../comp
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```
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<!-- END_STEP -->
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### Simulate a component failure by stopping the Redis container instance
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### Simulate a component failure by stopping the Redis container instance
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In a new terminal window, stop the Redis container that's running on your machine:
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```bash
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@ -77,18 +77,18 @@ Policies defined in the resiliency.yaml spec:
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retryForever:
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policy: constant
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maxInterval: 5s
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maxRetries: -1
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maxRetries: -1
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circuitBreakers:
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simpleCB:
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maxRequests: 1
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timeout: 5s
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timeout: 5s
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trip: consecutiveFailures >= 5
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```
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Applied policies:
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```bash
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INFO[0006] Error processing operation component[statestore] output. Retrying...
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INFO[0006] Error processing operation component[statestore] output. Retrying...
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INFO[0026] Circuit breaker "simpleCB-statestore" changed state from closed to open
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INFO[0031] Circuit breaker "simpleCB-statestore" changed state from open to half-open
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INFO[0031] Circuit breaker "simpleCB-statestore" changed state from half-open to open
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@ -6,16 +6,16 @@ Visit [this](https://docs.dapr.io/operations/resiliency/resiliency-overview//) l
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This quickstart includes one service:
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- Caller service `checkout`
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- Callee service `order-processor`
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- Caller service `checkout`
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- Callee service `order-processor`
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- Resiliency spec `resiliency.yaml`
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### Run both services with Dapr and resiliency enabled
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1. Open two terminal windows. In one terminal window, navigate to the `checkout` service. In the other terminal window, navigate to the `order-processor` service. Install dependencies for each service and run both services with resiliency enabled via the config.yaml:
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1. Open two terminal windows. In one terminal window, navigate to the `checkout` service. In the other terminal window, navigate to the `order-processor` service. Install dependencies for each service and run both services with resiliency enabled via the config.yaml:
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### CSharp example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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cd ../service_invocation/csharp/http/order-processor
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dotnet restore
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@ -23,7 +23,7 @@ dotnet build
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dapr run --app-port 7001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- dotnet run
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```
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##### Checkout Service:
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##### Checkout Service:
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```bash
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cd ../service_invocation/csharp/http/checkout
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dotnet restore
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@ -32,14 +32,14 @@ dapr run --app-id checkout --config ../config.yaml --components-path ../../../c
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```
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### Go example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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cd ../service_invocation/go/http/order-processor
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go build .
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dapr run --app-port 6001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- go run .
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```
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##### Checkout Service:
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##### Checkout Service:
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```bash
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cd ../service_invocation/go/http/checkout
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go build .
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@ -47,14 +47,14 @@ dapr run --app-id checkout --config ../config.yaml --components-path ../../../c
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```
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### Java example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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cd ../service_invocation/java/http/order-processor
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mvn clean install
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dapr run --app-id order-processor --config ../config.yaml --components-path --app-port 9001 --app-protocol http --dapr-http-port 3501 -- java -jar target/OrderProcessingService-0.0.1-SNAPSHOT.jar
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```
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##### Checkout Service:
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##### Checkout Service:
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```bash
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cd ../service_invocation/java/http/checkout
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mvn clean install
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@ -62,14 +62,14 @@ dapr run --app-id checkout --config ../config.yaml --components-path ../../../co
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```
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### JavaScript example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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cd ../service_invocation/javascript/http/order-processor
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npm install
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dapr run --app-port 5001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- npm start
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```
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##### Checkout Service:
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##### Checkout Service:
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```bash
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cd ../service_invocation/javascript/http/checkout
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npm install
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@ -77,21 +77,21 @@ dapr run --app-id checkout --config ../config.yaml --components-path ../../../c
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```
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### Python example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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cd ../service_invocation/python/http/order-processor
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pip3 install -r requirements.txt
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dapr run --app-port 8001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- python3 app.py
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pip3 install -r requirements.txt
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dapr run --app-port 8001 --app-id order-processor --config ../config.yaml --components-path ../../../components/ --app-protocol http --dapr-http-port 3501 -- python3 app.py
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```
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##### Checkout Service:
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##### Checkout Service:
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```bash
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cd ../service_invocation/python/http/checkout
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pip3 install -r requirements.txt
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pip3 install -r requirements.txt
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dapr run --app-id checkout --config ../config.yaml --components-path ../../../components/ --app-protocol http --dapr-http-port 3500 -- python3 app.py
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```
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### Expected output:
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### Expected output:
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Once both services are running, the `order-processor` service will recieve orders from the `checkout`service continuously using Dapr's service invoke API.
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##### `order-processor` output:
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@ -101,11 +101,11 @@ Once both services are running, the `order-processor` service will recieve order
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== APP == Order received: { orderId: 3 }
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```
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### Simulate ann application failure by stopping the `order-processor` service
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### Simulate an application failure by stopping the `order-processor` service
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Simulate a system failure by stopping the `order-processor` service running in your second terminal window.
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##### Windows
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##### Windows
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```script
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CTRL + C
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```
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@ -122,54 +122,54 @@ Policies defined in the resiliency.yaml spec:
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retryForever:
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policy: constant
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maxInterval: 5s
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maxRetries: -1
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maxRetries: -1
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circuitBreakers:
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simpleCB:
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maxRequests: 1
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timeout: 5s
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timeout: 5s
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trip: consecutiveFailures >= 5
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```
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##### Applied policies:
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```bash
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INFO[0005] Error processing operation endpoint[order-processor, order-processor:orders]. Retrying...
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INFO[0025] Circuit breaker "order-processor:orders" changed state from closed to open
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INFO[0030] Circuit breaker "order-processor:orders" changed state from open to half-open
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INFO[0030] Circuit breaker "order-processor:orders" changed state from half-open to open
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INFO[0005] Error processing operation endpoint[order-processor, order-processor:orders]. Retrying...
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INFO[0025] Circuit breaker "order-processor:orders" changed state from closed to open
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INFO[0030] Circuit breaker "order-processor:orders" changed state from open to half-open
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INFO[0030] Circuit breaker "order-processor:orders" changed state from half-open to open
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```
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### Simulate the application recovering by restarting the order-processor service:
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Simulate the `order-processor` service recovering by restarting the application using the `dapr run` command:
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### CSharp example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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dapr run --app-port 7001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- dotnet run
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dapr run --app-port 7001 --app-id order-processor --config ../config.yaml --components-path ../../../components/ --app-protocol http --dapr-http-port 3501 -- dotnet run
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```
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### Go example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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dapr run --app-port 6001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- go run .
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dapr run --app-port 6001 --app-id order-processor --config ../config.yaml --components-path ../../../components/ --app-protocol http --dapr-http-port 3501 -- go run .
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```
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### Java example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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dapr run --app-id order-processor --config ../config.yaml --components-path --app-port 9001 --app-protocol http --dapr-http-port 3501 -- java -jar target/OrderProcessingService-0.0.1-SNAPSHOT.jar
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dapr run --app-id order-processor --config ../config.yaml --components-path ../../../components/ --app-port 9001 --app-protocol http --dapr-http-port 3501 -- java -jar target/OrderProcessingService-0.0.1-SNAPSHOT.jar
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```
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### JavaScript example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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dapr run --app-port 5001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- npm start
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dapr run --app-port 5001 --app-id order-processor --config ../config.yaml --components-path ../../../components/ --app-protocol http --dapr-http-port 3501 -- npm start
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```
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### Python example:
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##### Order Processor Service:
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##### Order Processor Service:
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```bash
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dapr run --app-port 8001 --app-id order-processor --config ../config.yaml --components-path --app-protocol http --dapr-http-port 3501 -- python3 app.py
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dapr run --app-port 8001 --app-id order-processor --config ../config.yaml --components-path ../../../components/ --app-protocol http --dapr-http-port 3501 -- python3 app.py
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```
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### Observe orders have resumed sequentially:
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