Rishabh Patel created HDDS-15513:
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Summary: MiniOzoneCluster setup stuck when any VPN is enabled
Key: HDDS-15513
URL: https://issues.apache.org/jira/browse/HDDS-15513
Project: Apache Ozone
Issue Type: Bug
Reporter: Rishabh Patel
Assignee: Rishabh Patel
When any VPN is enabled, MiniOzoneCluster setup is stuck with the following logs
{code:java}
2026-06-08 21:27:39,275
[2e356ac8-c8fe-422b-ab07-b38cf90f4ac5@group-D0937D61FBB5-StateMachineUpdater]
INFO SCMHATransactionMonitor
(BackgroundSCMService.java:notifyStatusChanged(78)) - Service
SCMHATransactionMonitor transitions to RUNNING.
2026-06-08 21:27:58,720 [main] INFO ipc_.Client
(Client.java:handleConnectionTimeout(861)) - Retrying connect to server:
0.0.0.0/0.0.0.0:15001. Already tried 0 time(s); maxRetries=45
2026-06-08 21:28:18,724 [main] INFO ipc_.Client
(Client.java:handleConnectionTimeout(861)) - Retrying connect to server:
0.0.0.0/0.0.0.0:15001. Already tried 1 time(s); maxRetries=45
2026-06-08 21:28:38,727 [main] INFO ipc_.Client
(Client.java:handleConnectionTimeout(861)) - Retrying connect to server:
0.0.0.0/0.0.0.0:15001. Already tried 2 time(s); maxRetries=45
2026-06-08 21:28:58,730 [main] INFO ipc_.Client
(Client.java:handleConnectionTimeout(861)) - Retrying connect to server:
0.0.0.0/0.0.0.0:15001. Already tried 3 time(s); maxRetries=45 {code}
The problem is that the bind address for SCM is never set. As a result it
defaults to 0.0.0.0. This reroutes to localhost/127.0.0.1 when no VPN is
enabled but it is rerouted to a random IP when VPN is enabled.
Without VPN:
{code:java}
rpatel@GQ2V5HK6NX ~ % lsof -i :15001
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
java 21703 rpatel 406u IPv4 0x61ad94e3040c8c85 0t0 TCP *:15001
(LISTEN)
java 21703 rpatel 504u IPv4 0xda4ec39b5b69c9c1 0t0 TCP
mac:57747->mac:15001 (ESTABLISHED)
java 21703 rpatel 505u IPv4 0x970351ac8a67ab7c 0t0 TCP
mac:15001->mac:57747 (ESTABLISHED) {code}
With VPN:
{code:java}
rpatel@GQ2V5HK6NX ~ % lsof -i :15001
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
java 21382 rpatel 406u IPv4 0xbe6aafab2e6f769a 0t0 TCP *:15001
(LISTEN)
java 21382 rpatel 504u IPv4 0x5febf36e5f0f5a7e 0t0 TCP
10.19.13.105:57618->192.168.4.44:15001 (SYN_SENT) {code}
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