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 ...…
I'm a frontend developer so my knowledge of Java, Spring and IntelliJ is virtually zero. I accidentally deleted my company's repo on my local machine so I re-cloned it back from GitHub. I was unable to click the "debug" button…
I'm trying to connect to Postgres using JDBC. The database is running in the Docker container. I am using Windows Docker Desktop (Windows 10 pro) with WSL2. I launch the Docker container using docker-compose. Here is the content of docker-compose:…
I want to get orders for the specific date but getting below error tried several date formates but getting the same error. This only happens when I am adding date parameters(before and after). This api works fine for per_page or…
I have a spring boot application and using log4j2 to generate console and persists logs in a centos linux. I wanted to maintain only 5mb of log files in archive. But the problem is, my archived log files are 5mb…
I'm using Spring Security Keycloak adapter 12.0.1 and Memcached for session replication. When the session is loaded from Memcached, classes from the Keyclaok adapter are deserialized. The read method of the class KeycloakSecurityContext contains DelegatingSerializationFilter.builder() .addAllowedClass(KeycloakSecurityContext.class) .setFilter(in); ...which sets an…
I have installed Apache GUI on Linux Debian in the following directory /usr/local/apachegui/ApacheGUI/bin by the following instruction as shown on this webpage: https://www.howtoforge.com/tutorial/ubuntu-apache-gui/ At the end of the instruction, it's says run the following command: sudo ./run.sh when I run…
I'd like to make an Android app to list files and their size, a bit like WinDirStat or TreeSize on Windows, or DiskUsage on Android. I tried this to get a list of files : for (file in File("/sdcard").listFiles()) {…
We are using the Shopify Admin API in GraphQL to create an App. We are developing based on this example here - https://github.com/graphql-java-generator/GraphQL-Forum-Maven-Tutorial-client We downloaded the schema from Shopify using the apollo (nodejs) and the POJO files were generated automatically.…