People who code: we want your input. Take the Survey

Questions tagged [connections]

The tag has no usage guidance.

25 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4
votes
1answer
401 views

Connecting to an ethereum node from meteor server side

I get the error TypeError: XMLHttpRequest is not a function when I try to connect to a node on the server side of my meteor application. The error is caused by meteor using the meteor HTTP package ...
4
votes
0answers
515 views

Unstable connection between peers on a private network

I created a private net, I've been trying to connect two Ethereum nodes because I need one of them to mine the transaction made by the other. The two nodes are on different machines and networks. I ...
3
votes
1answer
267 views

How to set multiple nodes in HttpProvider web3 v1.2.0

I'm working with Nodejs application, and using a multi-node setup on different servers. If I have single node end point like http://localhost:8545 I can use Web3 providers as below var web3 = new Web3(...
3
votes
0answers
115 views

What would cause nodes on a private blockchain to gradually lose connectivity?

I have a private blockchain with 6 nodes, and a total of three miners. When I initialize the blockchain everything looks great and the nodes find each other starting with the bootnodes. After about ...
3
votes
0answers
201 views

How do you connect to a node from the server side of a meteor app

This is the command I am using to run the node (a private testnet) geth --networkid 420 --nodiscover --rpc --rpcaddr "0.0.0.0" --rpcport 8545 --rpcapi="db,eth,net,web3,personal,web3" --rpccorsdomain "...
2
votes
0answers
375 views

“RPC error, your account is locked” when I try to deploy the last version of parity-bridge

I have already success to deploy the last version of parity-bridge (last month), but today i have pull the last version of parity-bridge. I have that on my terminal : env RUST_LOG=info parity-bridge-...
2
votes
0answers
725 views

Connect to node via IPC

As per my knowledge, RPC connection to a node is quite unsafe. so the alternative is connecting to a node via IPC. But how to connect to node via IPC? I have used web3 for connecting to node via RPC ...
2
votes
0answers
259 views

Connection between two blockchains

I am looking for an approach to creating a connection between two blockchain-networks. I found out that I can use oracles to get data from extern systems (= second blockchain-network). But how can I ...
2
votes
0answers
106 views

Mix wont connect to nodes: Error status 0

I managed to configure Morden test network to run, but Mix is unable to discover testnet node, it is giving this error: A "Unable to initiate request to the live network. Please verify your ethereum ...
1
vote
1answer
11 views

I set up metamask and added tokens. Now my Metamask shows Not Connected

How do I get it connected? I can see my tokens and all of my information, but it still shows "not connected".
1
vote
0answers
33 views

Simple way to balance web3j connections between nodes

Context: I have a client that can connect to 3 local-network nodes to distribute query-loads and be more resilient to network/software issues. I have managed to create a -simple- watch-dog with a ...
1
vote
1answer
382 views

CONNECTION ERROR: Couldn't connect to node when trying to connect to ropsten

I have Metamask installed on chrome and am connected to the Ropsten test network through there. However, whenever I try running my Javascript, I get the following error: CONNECTION ERROR: Couldn't ...
1
vote
0answers
129 views

Node connection timeout function?

I am trying multiple avenues to find out why my nodes in a private blockchain are losing connectivity over the course of about 18 hours. So this question is: Is there a part of the discovery ...
1
vote
0answers
610 views

How does Mist connect to Ropsten?

I have both Mist and Geth installed. One note though; Mist uses (is bundled with?) Geth 1.6.0 whereas I have Geth 1.6.1 installed. When I type > geth --testnet --fast console, I fail to sync the ...
1
vote
0answers
86 views

Ethereum Wallet can't sync - wifi issue

I'm newbie having a few Eth issues, to begin with: Trying to run Ethereum Wallet 0.8.0 on my x64 linux my internet connection becomes intermittent. If a ping is left running (say 8.8.8.8), when the EW ...
0
votes
0answers
4 views

How to connect running node on aws server remotely as a rpc endpoint?

I have a full sync node running on an aws server, I am able to connect and interact with the node at 8545 locally. But I am not able to connect to it from remote computer. The code as follow. from ...
0
votes
0answers
166 views

IPC Connection not work on Node.js (web3)

I have a geth node launch on linux, I want to access it through the IPC connection in a Node.js application. I am getting this error : /home/**/node_modules/web3-core-helpers/lib/errors.js:66 ...
0
votes
0answers
47 views

TypeError: web3.isConnected is not function

I coded the below program: var Web3 = require("web3"); var web3 = new Web3(new Web3.providers.HttpProvider('http://127.0.0.1:8545')) console.log(web3.currentProvider); console.log('...
0
votes
0answers
40 views

ERR_SSL_PROTOCOL_ERROR while connecting private blockchain

I'm working with private blockchain, and facing some issue with SSL configuration. The system has two components: The private blockchain that is configured on the VM. The web application that ...
0
votes
1answer
412 views

How to connect to my private ethereum network using web3?

I have setup my own private eth network. I wanted to connect to this. So first I have run geth --datadir ./tolotolo --networkid 1115 --port 30304 console 2>>myEth.log It generated geth.ipc ...
0
votes
0answers
91 views

Truffle test using multiple connections

I am running a test which involves sending transactions to a smart contract from multiple nodes. Right now, I have seperate truffle folders in each node, with a test file that sends the transactions ...
0
votes
1answer
481 views

Can't connect to localhost:8545 while using ethereumjs-testrpc web3?

I am developing a simple Voting dApp by following a tutorial. In this tutorial we are using npm install ethereumjs-testrpc web3 so that we can get the fake nodes of Ethereum. For that i first ...
0
votes
1answer
121 views

Have a connection problem with smart Contract using web3.js

Anyone that can help me in how to interact with our smartcontract using web3.js. I tried below code but this not work: This the code that I am using: if (typeof web3 !== 'undefined') { web3 = ...
0
votes
1answer
402 views

How to connect not local node to private Blockchain?

Is there any way to connect NOT LOCAL node to running private Blockchain? So, there are 3 virtual machines in one local network. They are syncronized private blockchain. They have static-nodes.json ...
0
votes
2answers
228 views

EthereumJ connect to private node

I need to connect to private ethereum node with using ethereumj without ethereum.conf file. I need configure connect from code using Spring Framework.