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Questions tagged [bolt]

The Bolt Protocol is a lightweight (binary) messaging protocol for databases. Bolt is statement oriented with a client-server design; originally created by the team behind Neo4j.

For an in-depth overview, including transport layer details, messaging, serialization, and examples see https://boltprotocol.org/ .

Originally, Bolt was created for use in the Neo4j graph database. PostgreSQL's binary network protocol and the data interchange format MessagePack inspired Bolt.

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Yarn: How to link acorn using boltpkg - symlink error

My team has a monorepo where we are using bolt to manage dependencies and linking. I was trying to get the dev environment up and running on my local Windows machine but had issues install/link acorn. What I did was clone the repo, then $ bolt to…
rollschild
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Problems with hasChild() using bolt compiler

I need to verify that the 'category' attribute has its value equal to a key existing on the category node I tried this: type VerifyCategoryExists extends String { validate() { prior(root.categories['categories-list'][this]) != null } } } That…
Eduardo Spagna
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How to make a host migration to photon bolt?

Please tell me how to properly host a migration with a photon bolt. If possible, give documentation or step-by-step instructions
user7481373
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How to validate regex using the bolt compiler

I am trying to validate a field that will receive a URL. I need to validate it using an appropriate regex, but what I got from the Firebase documentation itself is not working. The compiler bolt neither compiles, causing the error: bolt:37:3:…
Eduardo Spagna
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How to use bolt instead of http request in angular2+

I am integrating Neo4j into my angular and nodejs application. I have to access the Neo4j database using bolt url as http doesn't work in my case. Because i am getting error in console as - Response with status: 0 for URL: null and Failed to…
Techdive
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Neo4j Javascript application with sigma.js and bolt

I have helped to create a web app that uses sigma.js to display a graphical output, on top of a neo4j database. I am trying to use the neo4j-driver with this to enable me to set this web app up on a remote server, with its own version of neo4j…
James Timmins
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Bolt-Swift: error handling

I want to use BoltsSwift (https://github.com/BoltsFramework/Bolts-Swift). But I am not able to handle errors correctly. In the below sample, why the "taskHello2.continueOnSuccessWith" is running instead of "taskHello2.continueOnErrorWith" ? Thank…
Fred
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Bolt connection is selectively slow with cypher queries while Web based GUI is always fast

I have two queries: q1 and q2. I use the code below to query my neo4j database. driver = GraphDatabase.driver("bolt://localhost:7687",auth= neo4j_user,neo4j_password)) neo4j_session = driver.session() t =…
user3347259
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Using Neo4j Bolt .Net Driver

I am plying around with Neo4j Movie database, starting up the learning curve. I have a WPF app and using the Bolt Neo4j.Driver.V1 GraphDatabase class to talk to the Neo4j Movie database. var mList = session.Run("match (m:Movie) return…
Nerdherder Ed
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Can't connect to localhost neo4j instance

I'm trying to work through the hello world example on the Neo4j .Net driver page but every time I try to run the example, it spins for a while and then throws an exception: Neo4j.Driver.V1.ServiceUnavailableException: 'Failed after retried for 5…
Xedni
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Create new categories without changing yaml files

Our client wants to have control over categories and I need to make it possible without changing yaml files. Any idea?
Radek Ordyniec
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Apache Storm Bolt cannot receive any Tuple from other Bolt emit

I'm newbie for Storm. I want to use one bolt named 'tileClean' to emit single Stream, and other five bolts to receive the Stream at same time. like this: flow image as you see, "one,two,three,four,five" bolt will received same data at the same…
zhengwei
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neo4j 3.2.5 WebSocket connection failure; centos7

ERROR: WebSocket connection failure. Due to security constraints in your web browser, the reason for the failure is not available to this Neo4j Driver. Please use your browsers development console to determine the root cause of the failure. Common…
Manoj
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I'm deploying a slack-bolt application on Heroku(Procfile: web: gunicorn app:app), but I get these errors

T18:20:08.600598+00:00 app[api]: Deploy ff14e74f by user ************** 2020-11-29T18:20:09.097535+00:00 heroku[web.1]: State changed from crashed to starting 2020-11-29T18:20:12.106699+00:00 heroku[web.1]: Starting process with command `gunicorn…
prism
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Visualizing an Embedded Neo4j Graph Database

For the past two weeks, I have read a variety of stackoverflow posts related to the visualization of a Neo4j database, but they don't address my issue. I get ideas from one post, ideas from another, but they are not self-consistent. I've also done a…
Ciro Pinto-Coelho
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