Error: unable to create a new stream:Permission denied [iPerf JNI] Test failed to complete successfully.

[cjcxj]

server:
iperf3 -s

[Abhi5h3k]

That error (unable to create a new stream: Permission denied [iPerf JNI]) is actually thrown by the native iperf library itself.

To help debug this, could you please share a few details:

• Device specifications (model, Android version, etc.)
• Is this a personal device or one with possible restrictions (e.g., a corporate-managed device)?
• The IP address you’re using for the iperf server — is it a public IP, or are you trying to connect to a private/local IP?

This will help narrow down whether it’s a permission or network access issue.

[wxlg1117]

The same mistake ,happened to me too.

[manhere]

same error

[dengwhao]

@Abhi5h3k Hello, I had the same problem.