ReactorDebugAgent.init(): Use this Java agent to debug exceptions in your application without much runtime impact. For more information, see Activating Debug Mode. Hooks.onOperatorDebug(): This method captures the stack trace on every operator, which is slow and requires a lot of resources. Press Ctrl+Alt+S to open the IDE settings and select Languages & Frameworks | Reactive Streams.Įnable the Enable Reactor Debug mode option and select one of the debug initialization methods: This is convenient during development, testing, and debugging, but generally impacts the performance of the application.

Moreover, IntelliJ IDEA can enable the debug mode without any changes in your code, making the necessary calls as you run the debugging session.īy default, the Reactor debug mode is enabled. IntelliJ IDEA is aware of the Reactor debug mode and shows the traceback to the failed operation on the Frame tab of the Debug tool window. You can examine the frames and understand why particular parameters were passed to a method in a Reactive application. When you enable the Reactor debug mode, you can get a more convenient view of the stack trace after the program has been suspended. Reactor includes assembly-time instrumentation that is designed for debugging asynchronous code. On the next step of the wizard, from the Dependencies list, select Spring Reactive Web and click Create. If you don't have the necessary JDK on your computer, select Download JDK. If the JDK is installed on your computer, but not defined in the IDE, select Add JDK and specify the path to the JDK home directory. Specify a name and location for your project and configure project metadata: select a language, a build tool, and specify an artifact ID.įrom the JDK list, select the JDK that you want to use in your project. Select Spring Initializr from the left pane.Ĭlick to enter the URL of the service that you want to use, or leave the default one.

Otherwise, from the main menu, select File | New | Project. If the Welcome screen opens, click New Project.

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