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fix: handle SSE transport send errors in stdio stderr handler #1129

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fix: handle SSE transport send errors in stdio stderr handler #1129

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60 changes: 35 additions & 25 deletions server/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -608,22 +608,28 @@ app.get(
if (chunk.toString().includes("MODULE_NOT_FOUND")) {
// Server command not found, remove transports
const message = "Command not found, transports removed";
webAppTransport.send({
jsonrpc: "2.0",
method: "notifications/message",
params: {
level: "emergency",
logger: "proxy",
data: {
message,
webAppTransport
.send({
jsonrpc: "2.0",
method: "notifications/message",
params: {
level: "emergency",
logger: "proxy",
data: {
message,
},
},
},
});
webAppTransport.close();
serverTransport.close();
webAppTransports.delete(webAppTransport.sessionId);
serverTransports.delete(webAppTransport.sessionId);
sessionHeaderHolders.delete(webAppTransport.sessionId);
})
.catch(() => {
// SSE connection already closed, ignore
})
.finally(() => {
webAppTransport.close();
serverTransport.close();
webAppTransports.delete(webAppTransport.sessionId);
serverTransports.delete(webAppTransport.sessionId);
sessionHeaderHolders.delete(webAppTransport.sessionId);
});
console.error(message);
} else {
// Inspect message and attempt to assign a RFC 5424 Syslog Protocol level
Expand Down Expand Up @@ -658,17 +664,21 @@ app.get(
} else {
level = "info";
}
webAppTransport.send({
jsonrpc: "2.0",
method: "notifications/message",
params: {
level,
logger: "stdio",
data: {
message,
webAppTransport
.send({
jsonrpc: "2.0",
method: "notifications/message",
params: {
level,
logger: "stdio",
data: {
message,
},
},
},
});
})
.catch(() => {
// SSE connection already closed, ignore
});
}
});

Expand Down