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Crash Diagnostics: SocketException Connection Reset (getsockopt)

Java Edition Multiplayer (Netty)

Inspect the disconnect log, compare client and server versions, and narrow down the affected connection.

Network Connection Reset by Peer (SocketException / getsockopt)

An established TCP connection was reset. This line alone does not identify whether the client, server or network path caused it.

Matched error signature in log:
[14:22:21] [Netty Client IO #1/ERROR]: Internal Exception: java.net.SocketException: Connection reset
Troubleshooting steps:
  1. Check whether only one server is affected, and compare another network connection.
  2. Match client/server/mod versions and inspect the server log at the same time as the disconnect.
  3. Check Java access rules for the intended network while keeping the firewall enabled. If using a VPN, compare available connections.

Questions & reference

How do I fix: Network Connection Reset by Peer (SocketException / getsockopt)?

An established TCP connection was reset. This line alone does not identify whether the client, server or network path caused it. Check whether only one server is affected, and compare another network connection. Match client/server/mod versions and inspect the server log at the same time as the disconnect. Check Java access rules for the intended network while keeping the firewall enabled. If using a VPN, compare available connections.

Where do I find my Minecraft error log?

Open your game profile folder. Copy a file from crash-reports or logs/latest.log. Exit Code 1 alone does not explain the crash.

Where is my log sent?

Analysis runs in your browser. Your log is not uploaded to DEPTANA, stored in settings, or included in a shared URL. The text limit is two million characters.

Does a match prove the cause?

Diagnostics checks known error signatures. A match suggests what to inspect; it does not prove the sole cause. If no rule matches, the tool says so.

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