Intellij unable to open debugger port connection refused, BindException: Address already in use: JVM_Bind”
Intellij unable to open debugger port connection refused, debugger. Jan 4, 2026 · If you’re a Java developer using IntelliJ IDEA to debug a Tomcat 6 application on Windows 7, you’ve likely encountered the frustrating error: “Unable to open debugger port (127. 0. Oct 9, 2012 · 62 Unable to open debugger port in intellij. Unable to open debugger port : IDEA-145501. io. intellij. ConnectException "Connection refused: connect What is the reason for above behavior and how to do debugging correctly. Learn how to fix the "unable to open debugger port" issue in IntelliJ IDEA with effective solutions and troubleshooting tips. May 5, 2017 · Unable to open debugger port (localhost:5005): java. engine. Restart IntelliJ IDEA. IOException “handshake failed - unrecognized message from target VM” I’m setting up a new instance of IntelliJ on my VDI and trying to debug a BR Component and it isn’t able to connect to the server to debug. 1:xxxx): java. BindException: Address already in use: JVM_Bind”. This article provides step-by-step instructions on how to troubleshoot the issue and get the debugger running. Oct 17, 2018 · Error running game debug: Unable to open debugger port : java. java:646) IntelliJ Unable to Open Debugger Port IntelliJ IDEA is a popular Java IDE, but it can sometimes be difficult to open the debugger port. 2. ExecutionException: Unable to open debugger port (*:5005): java. Jan 11, 2026 · It allows you to diagnose issues in a production-like environment by connecting your local IDE (e. g. net. createVirtualMachineInt (DebugProcessImpl. , a backend server, container, or remote machine) directly from your IDE. ConnectException" "Connection refused:connect" I tried changing the port number from Run/Debug Configurations,however i am still getting the same error. The port number 9009 matches the one which has been set in the configuration file for the application. execution. If you're still having trouble, please IntelliJ Unable to Open Debugger Port IntelliJ IDEA is a popular Java IDE, but it can sometimes be difficult to open the debugger port. Error running 'RemoteDeBugger': Unable to open debugger port (localhost:5005): java. Check your firewall settings. DebugProcessImpl. ConnectException "Connection refused: connect" I switched off the firewall for Windows, as well as my antivirus scanner, but it's still showing the error. 7 and getting the error message- "Unable to open debugger port (localhost:57226):java. ConnectException "Connection refused: connect" at com. 1. May 12, 2025 · com. However, a common roadblock is the frustrating "Unable to Open Debugger Port" error, which prevents IntelliJ from establishing a connection to the remote JVM. , IntelliJ IDEA) to a remotely running JAR file. ConnectException "Connection refused (Connection refused)" I had it while running debugger w/ command line arguments for remote using configurations: Nov 22, 2025 · How to Fix IntelliJ Remote Debugger Error: 'Unable to Open Port localhost:5005 (Connection Refused)' on Mac Remote debugging is a critical workflow for developers, allowing you to inspect and troubleshoot code running in a separate process (e. Make sure the correct port is being used. Jul 24, 2020 · Error running ‘BloomReach’: Unable to open debugger port (localhost:8000): java. 2. 3. Sep 5, 2018 · I am unable to open debugger in IntelliJ IDEA 2017.
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