How Do I Debug Java In IntelliJ?

by | Last updated on January 24, 2024

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  1. From the main menu, select Run | Edit Configurations.
  2. Enter arguments in the Program arguments field.
  3. Click the Run button near the main method. From the menu, select Debug.

How do I debug a line in IntelliJ?

  1. From the main menu, select Run | Edit Configurations.
  2. Enter arguments in the Program arguments field.
  3. Click the Run button near the main method. From the menu, select Debug.

Why debug is not working in IntelliJ?

If the code is outdated, or the versions (the source code and the compiled class) mismatch in any way, it can happen that the debugged is

giving the IDE information to show a certain line

, but that information is not correct giving the current source code, which might cause what appears to be the debugged “jumping” …

Does IntelliJ have a debugger?


IntelliJ IDEA provides a debugger for Java code

. Depending on the installed/enabled plugins, you can also debug code written in other languages. During a debugging session, you launch your program with the debugger attached to it. … This facilitates the process of detecting and fixing bugs in your program.

How do I run Java in debug mode?

A Java program can be debugged simply by right clicking on the Java editor class file from Package explorer. Select Debug As → Java Application or

use the shortcut Alt + Shift + D, J instead

. Either actions mentioned above creates a new Debug Launch Configuration and uses it to start the Java application.

Why Run button is disabled in IntelliJ?

Right click on main toolbar (where the button disappeared) > Customize Menus and Toolbars… > select Run

/

Debug > Restore Run/Debug.

How do I debug Quarkus in IntelliJ?

From the main menu,

select Run | Attach to Process

. From the list of Java processes, select the process of your Quarkus application. If successful, IntelliJ IDEA will open the Debug tool window with the established debugger connection.

How do you debug?

  1. Reproduce the problem.
  2. Describe the bug. Try to get as much input from the user to get the exact reason.
  3. Capture the program snapshot when the bug appears. …
  4. Analyse the snapshot based on the state and action. …
  5. Fix the existing bug, but also check that any new bug does not occur.

What is step through debugging?

So we’re actually really just pausing the JavaScript execution. And the reason it’s called step through debugging is because from that pause,

you’re then able to either step into the function that’s being

called, step over it to the next one, or step out of it back.

What is step out in debugging?

Step out –

An action to take in the debugger that returns to the line where the current function was called

.

How do I Stepback in IntelliJ debugger?

  1. Step Over – F8 – pass over the current statement.
  2. Step Into – F7 – enter into next piece of code.
  3. Force Step Into – Alt + Shift + F7.
  4. Step Out – Alt + F8.
  5. Run to cursor – Alt + F9 – used to reach the next break point or the current position of the cursor.

Where are IntelliJ logs?

In the run/debug configuration that will be used for launching the app,

click the Logs tab

. The Edit Log Files Aliases table displays the list of log files. Specify the log Alias (the name that will be displayed in the tool window tabs) and the path to the log file. You can also specify an Ant pattern for the log path.

How do I change the value while debugging in IntelliJ?

Select a variable or a property of a complex object in the Debug window,

press F2 or right-click and choose Set Value

… from the context menu, and then specify a new value and press Enter .

How do I enable run in IntelliJ?

  1. Select Run | Edit Configurations from the main menu.
  2. With the Navigation bar visible (View | Appearance | Navigation Bar), choose Edit Configurations from the run/debug configuration selector.
  3. Press Alt+Shift+F10 and then press 0 .

Why is run button disabled in PyCharm?

If you’re creating a project from existing source: and If the existing source directory contains a lot of data/files: the Run option (and others, assumably) are disabled until

PyCharm is finished indexing the contents in the project

.

Where do I put VM arguments in IntelliJ?

From the main menu, select

Help

| Edit Custom VM Options. If you do not have any project open, on the Welcome screen, click Configure and then Edit Custom VM Options. If you cannot start IntelliJ IDEA, manually copy the default file with JVM options to the IntelliJ IDEA configuration directory.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.