Can't loadSession from bot.on('event', event => {}) about botbuilder-v3 HOT 8 CLOSED

You mentioned data.address a few times in the event handler, but it doesn't look like that's defined in the activity sent, which should be the source of the immediate issue from the looks of things.

That said, I'll take a look into why the callback is not returning the error out of loadSession

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@nyxsys as the activity enters the bot it has some additional data/properties, one of which is the address property (implementing the botbuilder IAddress interface). Here is an example of a data object:

{
"type":"event",
"timestamp":"2018-11-03T08:47:30.4687371Z",
"name":"connect",
"text":"",
"attachments":[],
"entities":[],
"address":{"id":"6uhHKBSxVUC13WBYlzrJGR|0000000","channelId":"webchat","user":{"id":"Agent01","name":"Agent01"},"conversation":{"id":"6uhHKBSxVUC13WBYlzrJGR"},"bot":{"id":<botId>,"name":<botNAme>},"serviceUrl":"https://directline.botframework.com/"},
"source":"webchat",
"agent":"botbuilder",
"user":{"id":"Agent01","name":"Agent01"}
}

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For the moment I'm setting up a PR to at least add a try catch for error handling to the location that should throw the exception. I am going to dig deeper and try and find out why this is occurring at all after that.

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So the error "Cannot read property 'loadSessionWithOptionalDispatch' of undefined" suggests that something is wrong with the initialization of the universal bot. Could you post your code where you initialize the bot itself so I can see if anything there could do it? Additionally do the other methods from universal bot like send work at this point in your bot?

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This is the code:

const bot = new builder.UniversalBot(connector)
  .set('localizerSettings', {
    botLocalePath: path.join(process.cwd(), 'locale'),
    defaultLocale: 'en'
  })
  .set('persistConversationData', true)
  .set('autoBatchDelay', 0)
  .set('storage', new builder.MemoryBotStorage());

I've used other methods (like send, on, beginDialog ...) and everything works. loadSession is the only exception.

PS. If there was something wrong with the bot it would never even trigger the event and enter the handler.

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I tried bot.loadSession on a bot on the same version of botbuilder you've listed in three locations. bot.on() as well as bot.dialog() and bot.use() but I have not been able to recreate the error you are seeing, both with and without including the same bot.set() config calls you've posted. Could you try and see if you get a different result out of putting the bot.loadSession() call into middleware using bot.use()?

If that doesn't work, it might be good to see if you could put together a minimum version of your bot that can reproduce this issue.

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@filipjakov, have you tried the suggestion from @nyxsys or is the issue resolved? Thx.

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Closing as resolved not repro

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