POC - Log Tracing - Java - Spring Boot

Implementation of log tracing in Java - Spring Boot, without using any other tracing libraries

Getting started

• Java 8
• Spring boot 1.5.8
• Gradle 3.5

Building the module

The module uses gradle as package manager and uses gradle wrapper to manage the gradle version Command line argument

./gradlew clean build

The above command compiles the java classes and creates a 'jar' file in the location

Running the application

Once we have the jar file, we can run it using the below command

java -jar build/libs/traceid-1.0.0.jar

When gradle wrapper command doesn't

If the given build command doesn't work, run the following command to update the gradle wrapper

$ gradle wrapper --gradle-version 3.5

The differences

Without using the implementation of Tracing the log statement would look like:

2017-11-30 12:46:45.057  INFO 22309 --- [nio-8080-exec-2] c.s.p.t.c.RequestResponseFilter          : API call: GET: /test

After the implementation, the log statements

2017-11-30 12:48:15.727  INFO [X-TRACE-ID: bb2942c5-4c1b-4693-85fc-eaa6cdc2aeed] 22476 --- [nio-8080-exec-2] c.s.p.t.c.RequestResponseFilter          : API call: GET: /test

The pattern can be changed for custom text by modifying the FilterChain code and PostProcessor code in config folder