Saga-dubbo-demo

This demo including three services:

• servicea
• serviceb
• servicec

Prerequisites

You will need:

1. JDK 1.8
2. Maven 3.x
3. alpha server

Running Demo

1. run the following command to create docker images in saga project root folder.

   mvn clean install -DskipTests -Pdocker -Pdemo

2. start the whole application up(including alpha server and three demo services)

   ./saga-dubbo-demo.sh up

   Note: If you prefer to use MySQL as alpha's backend database, you need to try the following steps instead:

   1. add dependency of mysql-connector-java in alpha/alpha-server/pom.xml

       <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
       </dependency>
   2. re-generate saga's docker images in saga project root folder

   mvn package -DskipTests -Pdocker -Pdemo
   3. start application up in saga-dubbo-demo with the following command

   cd ./saga-demo/saga-dubbo-demo
   ./saga-dubbo-demo.sh up-mysql

   Note: If you want start alpha server and demon services separately, you can try the following steps:

   1. start alpha server

       ./saga-dubbo-demo.sh up-alpha
   2. when alpha server started complatelly, then start the demo services

       ./saga-dubbo-demo.sh up-demo

3. stop application

   ./saga-dubbo-demo.sh down

Use browser to run transaction demos: A:servicea B:serviceb C:servicec

A->B

 http://${host_address}:8071/serviceInvoke/Ab

A->B (A throw an exception)

 http://${host_address}:8071/serviceInvoke/AExceptionWhenAb

A->B (B throw an exception)

 http://${host_address}:8071/serviceInvoke/BExceptionWhenAb

A->B A->C

 http://${host_address}:8071/serviceInvoke/AbAc

A->B A->C (C throw an exception)

 http://${host_address}:8071/serviceInvoke/CExceptionWhenAbAc

A->B B->C

 http://${host_address}:8071/serviceInvoke/AbBc

A->B B->C (C throw an exception)

 http://${host_address}:8071/serviceInvoke/CExceptionWhenAbBc

Debugging

Take the spring-demo debugging as a reference.