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fix(agent): retry transient TLS / socket errors instead of failing the LLM call

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matevip 2026-05-10 19:15:38 +08:00
parent 6b3fba2ed4
commit 19a8c9e16c
1 changed files with 22 additions and 2 deletions
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24
mateclaw-server/src/main/java/vip/mate/agent/graph/NodeStreamingChatHelper.java
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@ -373,11 +373,31 @@ public class NodeStreamingChatHelper {
|| msg.contains("invalid_request_error") || msg.contains("unsupported")) {
return ErrorType.CLIENT_ERROR;
}
// Server errors
// Server errors and transient TLS / socket-level network hiccups.
// Without the TLS-specific patterns, a single SSL fatal alert
// (e.g. bad_record_mac during long-running streams) falls through to
// UNKNOWN — non-retryable — so one transient handshake glitch surfaces
// to the user as "LLM 调用失败" with no recovery attempt. These are
// network-layer transients that almost always succeed on retry, so
// they belong in the same retryable bucket as 5xx/timeouts.
if (msg.contains("500") || msg.contains("502") || msg.contains("503") || msg.contains("504")
|| msg.contains("APITimeoutError") || msg.contains("APIConnectionError")
|| msg.contains("Connection reset") || msg.contains("Connection refused")
|| msg.contains("timeout") || msg.contains("Timeout")) {
|| msg.contains("timeout") || msg.contains("Timeout")
// TLS-layer transients: bad_record_mac (RFC 5246 §7.2.2 fatal
// alert 20), aborted handshakes, mid-stream protocol errors.
|| msg.contains("SSLException") || msg.contains("SSLHandshakeException")
|| msg.contains("SSLProtocolException") || msg.contains("bad_record_mac")
// Socket-level transients: a peer closing the TCP connection
// mid-response, or the OS reporting a half-closed pipe.
|| msg.contains("SocketException") || msg.contains("Broken pipe")
|| msg.contains("Premature close") || msg.contains("PrematureCloseException")
|| msg.contains("Connection prematurely closed")
|| msg.contains("Connection closed prematurely")
// Reactor Netty wraps the raw socket cause in WebClientRequestException;
// surface that wrapper too so retries fire even when the cause chain
// string is "WebClientRequestException ...; nested ... SSLException".
|| msg.contains("WebClientRequestException")) {
return ErrorType.SERVER_ERROR;
}
return ErrorType.UNKNOWN;