Hello Open Liberty experts, As an R&D effort, I am trying to enable Liberty session persistence backed by Redis via JCache/Redisson. I observe the CLASSPATH seems to be correctly configured via <library> and <httpSessionCache libraryRef> syntax, but the config file…
I hope you are fine. I have problem in android studio, hours and hours I'm trying to implement library of Loading Button or image circular progress ( such as telegram progress ), and this library one of theme, when I…
i'm trying to execute this query inside the spring boot repository class , but console shows the error ' column id not found ' also the postman shows: "status": 500, "error": "Internal Server Error", "message": "could not execute query; SQL…
I have a small webdriver.io project just for experimenting with it for the first time. I now wanted to add allure reports but when I try to run allure open I get the following exception and I have no idea…
I have an application with a spring-boot backend api and Angular10 frontend. When running these locally I have no problems and everything runs fine. I have deployed my application on a Debian VPS with the Angular build running on apache2.…
I am new to Vertx and was exploring request-reply using event bus. I want to implement below flow User requests for a data controller sends a message on event bus to a redis-processor verticle redis-processor will wait for n seconds…
I am new to Zeppelin and Pyspark. I have tried in vain to get Zeppelin to run with Pyspark. My setup: 4 x Raspberry 4(8GB) Ubuntu Server 64bit 20.04 Hadoop: 3.2.2 Yarn Spark 3.1.1 & Hadoop integrated Zeppelin 0.9 Pi01…
I'm trying to make an http post request to save a user from a flutter app running on a real device. I'm running a Springboot RESTful API on an ubuntu server with nginx set up. A postman request is able…
I am trying to get the entries in a Spring Boot Cache backed by Redis How do I get all the keys from a redis cache via Spring Boot? uses 1.x of Spring-Data-Redis and the current version uses DefaultRedisCacheWriter for…
I'm cleaning up some code that's started throwing java.lang.OutOfMemoryError in Production. The problematic area has a couple of methods that process large collections, e.g.: public void doSomething(Collection<HeavyObject> inputs) { ... do some stuff using INPUTS, deriving some different objects ...…