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Questions tagged [springboot]

58 questions
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How to diagnose a quietly dying Java server application?

We run a cluster of Java Spring server apps on AWS EC2 instances running Centos 7. We have health monitors on them, and occasionally an alarm will go off and we'll find that the Java process has quietly just disappeared. We can find nothing in any…
CryptoFool
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maxConnections or maxThreads on tomcat

Looking for advice - I've read the other two threads about this in my server.xml file I have two places where maxThreads are defined in two places:
RebRy
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Easy AWS deployment of Spring Boot application with reasonable SSL costs

I am experimenting with deploying a standalone, executable Spring Boot JAR on AWS with SSL support. I tried using Elastic Beanstalk, which created an EC instance. It uses Route 53 with an Elastic Load Balancer to get SSL. I deployed it on a URL…
Garret Wilson
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Seeing Java Spring Boot logs from AWS Elastic Beanstalk in AWS CloudWatch

I'm reading the documentation but I'm not understanding simple Java application log access via CloudWatch from AWS Elastic Beanstalk. I have a simple Java Spring Boot Application deployed on Elastic Beanstalk as a JAR file using the Java Corretto 11…
Garret Wilson
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Simple site access analytics with Spring Boot on AWS Elastic Beanstalk

I have successfully set up a Spring Boot application, deployed as an executable JAR, on AWS Elastic Beanstalk. It has a load balancer with a maximum of 2 (for now) EC2 instances and uses HTTPS. It appears Elastic Beanstalk has set up the EC2…
Garret Wilson
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Are connections to databases http based or tcp based

are connections to Database http based or tcp based. Are jdbc of spring-boot application to postgressql http method connections based or tcp based connections.
charlie
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Google App Engine keeps restarting Spring Boot application all the time for no apparent reason

I have a very simple Java 11 Spring Boot application running on Google's App Engine. The problem is that the instance running the app keeps restarting very very often. Sometimes as often as 70 times per day. When I observe the instance in App…
Robert Gruber
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Get system information Response collected by Monit into Springboot/java

I have configured Monit version 5.6 on an Ubuntu 14.04 server. There are few check like filesystem usage, remote host connectivity check and service monitoring. Now, when I check the web gui of monit, I see something like this; enter image…
Chag Vaibhav P
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Google App Engine tomcat error with Spring Boot

First of all, I am a real newbie using any cloud services, and this is the first time that I have asked something here, therefore I am apologizing in advance if anything I may say is wrong. I'm trying to deploy a Spring Boot app using Google Cloud…
Nick Fabrizzi
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How to enable SSL for a web application and HTTP API running in AWS?

I've held off on writing this question because I'm not sure if it belongs on ServerFault or StackOverflow. I have a React web application hosted in an AWS S3 bucket and using CloudFront. I have a REST API written as a Java Spring Boot application…
jafwatt
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Running multiple instances of same springboot application

I've a spring-boot application which i want to deploy on OVH public cloud. I need t achieve the goal of deploying multiple instances of the same application, and each instance has to have its own resources (such as MySQL database). Each instance has…
Mssm
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Deploy a spring boot application in jboss fuse

I have created a spring boot application consisting of a rest API. I want to deploy it in jboss fuse karaf so that i can call it from a remote angular application. Kindly help me how to configure this activity.
debjyoti chakraborty
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Cannot connect to websocket

When I tried to connect to spring boot web socket from android stomp client, it is not connecting and the catalina log shows Handshake failed due to invalid Upgrade header: null Tomcat server is running behind apache and the apache server runs on…
Sony
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Degraded performance with NGINX SSL reverse proxy

We have a Java Spring Boot application that is behind a NGIX reverse proxy. Everything works as expected when the using HTTP - the API responds times are quit fast. Once the protocol is switched to HTTPS, API response times decrease considerably. In…
spa
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Spring endpoints work with IP but not domain name. How to fix?

I have a Spring Boot application deployed in a VPS. I packaged it as a war and deployed it through the Tomcat manager (:/manager/html). It works if I access the endpoints by using the VPS' IP, such as http://:
GuiRitter
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