Why can I not ping the Docker host from IntelliJ Terminal

Question

I am working in Intellij Idea and I have issues working with Testcontainers. It heavily depends on Docker containers. To run them I use Colima. It's set up with a network address.

# Results from `colima status`
INFO[0000] colima is running using macOS Virtualization.Framework 
INFO[0000] arch: aarch64                                
INFO[0000] runtime: docker                              
INFO[0000] mountType: virtiofs                          
INFO[0000] address: 192.168.200.5                       
INFO[0000] socket: unix://$HOME/.colima/default/docker.sock

When I run ping 192.168.200.5 in iTerm, then it works. When I ping from the Terminal in IntelliJ, then I get No route to host.

PING 192.168.200.5 (192.168.200.5): 56 data bytes
ping: sendto: No route to host
Request timeout for icmp_seq 0
ping: sendto: No route to host
Request timeout for icmp_seq 1
ping: sendto: No route to host
Request timeout for icmp_seq 2
^C
--- 192.168.200.5 ping statistics ---
4 packets transmitted, 0 packets received, 100.0% packet loss

abedurftig · Accepted Answer · 2025-08-12 08:16:57Z

0

I figured it out. MacOS prevented IntelliJ to access the local network.

Solution 1 in the support article below helped me.

Navigate to macOS System Settings | Privacy & Security | Local Network
Allow IntelliJ IDEA access to your local network

https://youtrack.jetbrains.com/articles/SUPPORT-A-564/Cannot-connect-to-remote-host-No-route-to-host-macOS-15-Sequoia

edited Aug 12 at 8:16

answered Aug 11 at 20:35

abedurftig

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2 Comments

David Maze Aug 12 at 1:16

Can you edit this answer to describe the specific action the asker needs to take? As you've written it, this is mostly just a link to an external site.

abedurftig Aug 12 at 8:19

Hello David. I updated the answer and added a second bullet point. It's actually that simple and the link is provided as a reference to complete my answer. Now, that I have updated the answer with more details, it would be nice if you could remove your down-vote. My initial answer was a lot more than just a link to an external source. First line described the problem precisely, third line was the solution, fourth line provided a reference.

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