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Automated trading system
Ticker server throws 500 error at some point (needs investigation).
ticker-server_1 | 2018-06-14T20:46:56.327Z alpinist:tickers Produced 8 items
ticker-server_1 | 2018-06-14T20:46:57.326Z alpinist:tickers Produced 0 items
ticker-server_1 | 2018-06-14T20:46:58.160Z alpinist:tickers:bitfinex Error Request failed with status code 500
ticker-server_1 | 2018-06-14T20:46:58.160Z alpinist:tickers Error happened: You provided 'undefined' where a stream was expected. You can provide an Observable, Promise, Array, or Iterable.
ticker-server_1 | TypeError: You provided 'undefined' where a stream was expected. You can provide an Observable, Promise, Array, or Iterable.
ticker-server_1 | at Object.exports.subscribeTo (/usr/src/app/node_modules/rxjs/internal/util/subscribeTo.js:42:15)
ticker-server_1 | at MergeMapSubscriber.from [as project] (/usr/src/app/node_modules/rxjs/internal/observable/from.js:18:58)
ticker-server_1 | at MergeMapSubscriber._tryNext (/usr/src/app/node_modules/rxjs/internal/operators/mergeMap.js:122:27)
ticker-server_1 | at MergeMapSubscriber._next (/usr/src/app/node_modules/rxjs/internal/operators/mergeMap.js:112:18)
ticker-server_1 | at MergeMapSubscriber.Subscriber.next (/usr/src/app/node_modules/rxjs/internal/Subscriber.js:103:18)
ticker-server_1 | at /usr/src/app/node_modules/rxjs/internal/util/subscribeToPromise.js:7:24
ticker-server_1 | at process._tickCallback (internal/process/next_tick.js:68:7)
Breaks the whole ticker server
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