I'm doing calculations on a cluster and at the end when I ask summary statistics on my Spark dataframe with df.describe().show() I get an error: Serialized task 15:0 was 137500581 bytes, which exce...

I cloned a git repo that I have hosted on github to my laptop. I was able to successfully push a couple of commits to github without problem. However, now I get the following error: Compressing o...

Last week I was using RPC and could run my RPC server program just fine. However, today I tried to start it again and I am getting this error: Cannot register service: RPC: Authentication error;...

To my knowledge, building an RPC protocol based on TCP is more efficient than using HTTP2, which is designed primarily for web services and has additional overhead. What is the meaning of building ...

According to tRPCs documentation, the query params have to follow this format myQuery?input=${encodeURIComponent(JSON.stringify(input))} I have this procedure: hello: publicProcedure .input(z.ob...

Or are they synonyms?

I have a web service that accepts JSON parameters and have specific URLs for methods, e.g.: http://IP:PORT/API/getAllData?p={JSON} This is definitely not REST as it is not stateless. It takes co...

I've spent more time than I'd like to admit trying to understand the differences between RPC and restful endpoints. In fact, after going down this rabbit hole, I'm not even sure I fully understand ...

In my project, I tried to connect with metamask on Ganache. But I got the error like the following. inpage.js:1 MetaMask - RPC Error: Expected an array with at least one valid string HTTPS url 'rp...

I'm currently working on a little program for backing up your Bitcoin Core wallet. I am using BitcoinLib v1.15.0 in C#. IBitcoinService bitcoinService = new BitcoinService("http://127.0.0.1:83...

so i want to take a Json and parse it to Object and then implement a RPC RabbitMQ Server so that i can send the Object to the Server through RabbitMQ and there the Object will be proceed to be save...

If RPC does not have a timeout mechanism, how do I "kill" an RPC call if it is trying to call an RPC method of a server that is closed?

I am using JMeter to generate random number for load test Q) How to encode the long value below "DI"? The original value is 200. 7|0|8|http://10.6.3.1:90/portal/|E5514987BAA783F640F3B2046...

At my company we're about to set up a new microservice architecture, but we're still trying to decide which protocol would be best for our use case. In our case we have some services that are calle...

I have 2 components which need to communicate with each other in bidirectional way. For now I have 2 approaches, one is setting up RPC server in both side to establish the 2-way communication. Anot...

I have been assigned to test a gRPC API (written in Golang) but I don't know how to go about testing it and I couldn't find any tutorials online for this type of testing. The only method that I can...

what is the best way to implement RPC style communication (synchronous request/response) with MQTT? Or would it even make sense to put another interface (e.g. REST api) into use? Thanks in advance...

I have a web application that uses AJAX to grab JSON data from the server. It requires that the user first log in with their browser so that a cookie can be set. Only the GET and POST verbs are use...

Wikipedia says A stub in distributed computing is a piece of code that converts parameters passed between client and server during a remote procedure call (RPC) How does the original meaning of t...

I have RPC access to a private deployment of an RSK node, but no direct access to the file system. How can I check what version of the RSK node is running on that system?

I would like to be able to find out the total volume transacted for RDOC, from deployment until now. Unable to get this information from the block explorer: 0x2d919f19d4892381d58edebeca66d5642cef1a...

I would like to obtain info particular smart contract - that is deployed on the RSK Testnet - to get the data values from its storage. How can I do this? I'm using eth_getStorageAt JSON-RPC, but i'...

What's the difference in the outcome between call by reference and copy/restore? Background: I'm currently studying distributed systems. Concerning the passing of reference parameters for remote p...

I'm using web3.js to get the minimum gas price, but the following is not working: web3.eth.getBlock('latest').minimumGasPrice How can I do this?

I am trying to connect to RSK Mainnet or RSK Testnet over websockets. Here's what I tried for Mainnet: const wsProvider = new Web3.providers.WebsocketProvider('ws://public-node.rsk.co'); const web3...