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  • Created by Unknown User (johnsonli), last modified on Feb 13, 2020

Note:  This article was authored by Unknown User (singhs8)

Step-by-step guide

To debug a REST service in Eclipse using Maven, use the following steps. 

Steps

Build your service on the command-line and run a remote Java application configuration in Eclipse using the following steps:

  1. Build your REST service on the command line using the following command in the main folder:

           mvn clean install

  2. Start the service on the command line using the following command:

     java -Dspring.profiles.active=local -Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 -jar flagging-service-1.0.0-SNAPSHOT.jar

            The different parameters are:

                spring.profiles.active: The profile you are using to run your service
                -Xdebug: Indicates that the service is to be run in the debug mode
                -Xrunjdwp: Indicates that the connection between the application and the debugging application (Eclipse) will be via the Java Debug Wire Protocol
                transport=dt_socket: Indicates that the application and the debugger will communicate using the socket protocol
                server=y: Indicates that the Java Virtual Machine will act as a server for the debugging and the debugger itself will have to connect to it as a client
                suspend=n: Specifies if the process should be suspended until the debugger attached to it. If this is set to 'y', it will wait until it receives a connection request from the debugger.
                address: The port on which the debugger should connect

  3. In Eclipse, connect to this service using a "Remote Java Application" as a "Debug Configuration". 


             For the remote configuration, use the following values to set it up:

             Host: The URL of the Spring Boot REST service
              Port: The "address" used for the port in step 2 when starting the service. 

  4. Set breakpoints in the application in Eclipse - using the same code base that was used to start the service above. 
  5. Send requests to the service using a tool like Postman or Katalon. 
  6. The breakpoints will be activated. 





The information contained herein is proprietary to Leidos, Inc. It may not be used, reproduced, disclosed, or exported without the written approval of Leidos.
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