I am trying to build a maven project on centOS 8. I want maven to use Java version 15. When I run mvn package I get the following error: Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project systembrett-backend: Fatal error…
I have a multipart file, it will be an image or video, which needs to be chunked for POST request. How can I chunk the file into byte array segments? edit: I'm using Twitter API to upload image, according to…
I'm running my Java application with the following parameters that enable JMX server's remote connections: -Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.port=9998 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false I can successfully connect to that JMX server via VisualVM by adding a new JMX Connection to address: <HOSTNAME>:9998 But when…
I am building a simple API using SpringBoot. Receives input through RequestBody and prints it out.. However, as the size of the RequestBody increases, the following error occurs. It doesn't happen unconditionally, it sometimes succeeds... 2021-02-15 03:52:50.028 WARN 5115 ---…
With the oldest PayPal API, setting the return URL when a checkout is accomplishment, or when checkout is eliminated is easy, as described here: Payment payment = new Payment(); RedirectUrls redirectUrls = new RedirectUrls(); redirectUrls.setCancelUrl(cancelUrl); redirectUrls.setReturnUrl(successUrl); payment.setRedirectUrls(redirectUrls); How can I…
I am trying to install JDK8 on my Debian 10 virtual machine, but it seems that the only version available is JDK11. I need to run JavaFX for a school project, which is not included in JDK11. How can I…
I am subscribed to a private telegram bot, how can I redirect messages to my bot in Java? somewhere I read that in python there is a teleton class, but how to do it in java.
I'm upgrading my Spring Boot version from 2.1.x to 2.4.2. When I compiled and run the code, I got the following warning: Unable to load io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider,fallback to system defaults. This may result in incorrect DNS resolutions on MacOS. java.lang.ClassNotFoundException: io.netty.resolver.dns.macos.MacOSDnsServerAddressStreamProvider…
I am using Spring Data Redis in order to cache some data using @Cacheable. I have multiple types of objects that need to be cached and I need the data from Redis to be in JSON format. I know that,…
I am trying a simple angular app with a spring boot backend using docker compose. But my front end cant seem to find the backend api when called. Below are the relevant files. Docker File for Backend # # Build…