Receiving "Too much pending tasks" error when we use the library to send messages from a node express app. The issue occurs when we make multiple concurrent calls to await client.send(eventData)
[
{
"outerId": "0",
"message": "Too much pending tasks",
"severityLevel": "Error",
"parsedStack": [
{
"assembly": "at AppInsightsAsyncCorrelatedErrorWrapper.ZoneAwareError (D:\\home\\site\\wwwroot\\node_modules\\zone.js\\dist\\zone-node.js:811:33)",
"method": "AppInsightsAsyncCorrelatedErrorWrapper.ZoneAwareError",
"level": 0,
"line": 811,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\zone.js\\dist\\zone-node.js"
},
{
"assembly": "at new AppInsightsAsyncCorrelatedErrorWrapper (D:\\home\\site\\wwwroot\\node_modules\\applicationinsights\\out\\AutoCollection\\CorrelationContextManager.js:193:18)",
"method": "new AppInsightsAsyncCorrelatedErrorWrapper",
"level": 1,
"line": 193,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\applicationinsights\\out\\AutoCollection\\CorrelationContextManager.js"
},
{
"assembly": "at AsyncLock.acquire (D:\\home\\site\\wwwroot\\node_modules\\async-lock\\lib\\index.js:141:15)",
"method": "AsyncLock.acquire",
"level": 2,
"line": 141,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\async-lock\\lib\\index.js"
},
{
"assembly": "at EventHubSender.send (D:\\home\\site\\wwwroot\\node_modules\\azure-event-hubs\\dist\\lib\\eventHubSender.js:75:49)",
"method": "EventHubSender.send",
"level": 3,
"line": 75,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\azure-event-hubs\\dist\\lib\\eventHubSender.js"
},
{
"assembly": "at EventHubClient.send (D:\\home\\site\\wwwroot\\node_modules\\azure-event-hubs\\dist\\lib\\eventHubClient.js:74:29)",
"method": "EventHubClient.send",
"level": 4,
"line": 74,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\azure-event-hubs\\dist\\lib\\eventHubClient.js"
},
{
"assembly": "at Layer.handle [as handle_request] (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\layer.js:95:5)",
"method": "Layer.handle [as handle_request]",
"level": 8,
"line": 95,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\layer.js"
},
{
"assembly": "at next (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\route.js:137:13)",
"method": "next",
"level": 9,
"line": 137,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\route.js"
},
{
"assembly": "at Route.dispatch (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\route.js:112:3)",
"method": "Route.dispatch",
"level": 10,
"line": 112,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\route.js"
},
{
"assembly": "at Layer.handle [as handle_request] (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\layer.js:95:5)",
"method": "Layer.handle [as handle_request]",
"level": 11,
"line": 95,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\layer.js"
},
{
"assembly": "at D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:281:22",
"method": "<no_method>",
"level": 12,
"line": 281,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at param (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:354:14)",
"method": "param",
"level": 13,
"line": 354,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at param (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:365:14)",
"method": "param",
"level": 14,
"line": 365,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at Function.process_params (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:410:3)",
"method": "Function.process_params",
"level": 15,
"line": 410,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at next (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:275:10)",
"method": "next",
"level": 16,
"line": 275,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at Function.handle (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:174:3)",
"method": "Function.handle",
"level": 17,
"line": 174,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at router (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:47:12)",
"method": "router",
"level": 18,
"line": 47,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
},
{
"assembly": "at Layer.handle [as handle_request] (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\layer.js:95:5)",
"method": "Layer.handle [as handle_request]",
"level": 19,
"line": 95,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\layer.js"
},
{
"assembly": "at trim_prefix (D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js:317:13)",
"method": "trim_prefix",
"level": 20,
"line": 317,
"fileName": "D:\\home\\site\\wwwroot\\node_modules\\express\\lib\\router\\index.js"
}
],
"type": "Error",
"id": "0"
}
]