Questions tagged [springboot]
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59
questions
1
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90
views
Why does Spring-boot no longer load PKCS11-NSS certificates after update to 3.1.0?
After updating from spring-boot version 3.0.8 to 3.1.0 or 3.1.1 the application no longer loads the SSL certificates from the store.
Configuration:
FIPS compliant config as described in:
https://...
0
votes
0
answers
443
views
Delombok Lombok cannot find symbol location: package javax.annotation after spring boot 3 and jdk17 migration
I've migrated my project to spring boot 3. Once I've done it project stopped working. cannot find symbol
[ERROR] symbol: class Generated
[ERROR] location: package javax.annotation
[ERROR] -> [...
0
votes
0
answers
445
views
Kafka Issue : Request joining group due to: group is already rebalancing
The pod is not getting restarted, No ongoing rebalance to finish consumer group experiences no frequent changes, but still rebalancing issue occurs. is there anything wrong with the configuration?
...
- 101
0
votes
1
answer
1k
views
Docker compose - flyway not connecting to mysql
I'm trying to dockerize a microservice built with Spring Boot that uses the MySQL database and Flyway.
When I run the microservice through the IDE, the flyway manages to connect with MYSQL, but when I ...
1
vote
1
answer
492
views
How HTTP 1.1 and HTTP 2.0 works in Spring Boot?
What are the differences in flow changes for HTTP 1.1 and HTTP 2.0 for Spring Boot applications ?
0
votes
0
answers
78
views
Nginx - subfilters behind another VM
I've got 2 VM :
VM1 is front with urlvm1.site url and is accessible by users
VM1 has spring security & spring gateway
VM2 is back and is not directly accessible by users. it has urlvm2.site url.
...
0
votes
0
answers
584
views
Downloading large excel file in angular using xlsx library(net::ERR_INCOMPLETE_CHUNKED_ENCODING 200)
I am doing an excel file download using angular + springboot and the api returns application/json file. The transfer-encoding:chunked is always enabled and i see responses return http 1.1 .
I posted ...
0
votes
2
answers
1k
views
K8S limit number of starting pods at the same time
I have problem with K8S, I have about 30 microservices (java running on spring boot). Microservices needs a lot of CPUs only for startup because there are a lot of libraries. When I deploy all ...
- 3
1
vote
0
answers
411
views
Configuring different apps in Nginx using same domain
I have an ecommerce application running 2 applications.
App 1 (example1.com) is written as react.js and built as a normal html site. Nginx is serving this on port 7000.
App 2 (my.example1.com) is a ...
- 11
0
votes
0
answers
570
views
How to pass https requests to http in nginx
I have a self signed certificate, I deployed my front end react app on nginx which is served by using HTTPS but front end is making call to back-end spring-boot app over HTTP and when i check inspect ...
- 61
0
votes
2
answers
550
views
handle tls when domain points to subdomain in cname record
We are trying to point domain to sub doamins *.com --> *.zeineldin.link for example https://www.asrevo.com --> https://petman.zeineldin.link
We need to support all domains, not a few domains
for ...
- 101
1
vote
0
answers
2k
views
I am getting "During an aborted deployment, some instances may have deployed the new application version" error while deploying my app
I am getting Action execution failed
Deployment completed, but with errors: During an aborted deployment, some instances may have deployed the new application version. To ensure all instances are ...
0
votes
1
answer
1k
views
Nginx patch request ends up with Invalid CORS request
It's simple set up.
Three docker containers in same network.
ReactJs - production build on nginx server
Spring Boot
Mysql
GET, POST request works like a charm but when i try to use PATCH request i ...
- 1
0
votes
0
answers
787
views
Apache Tomcat reject post request for more than 19KB and return 400 BAD REQUEST
Spring boot application deployed on apache tomcat 9 reject post request larger than 19kb.
the bookController:
@CrossOrigin(origins = "*", maxAge = 3600)
@RestController
@RequestMapping("...
- 1
0
votes
0
answers
517
views
Let's Encrypt: SSL Certificate is valid for the Domain but not valid Specific Port (net::ERR_SSL_PROTOCOL_ERROR)
I am using VPS: Amazon EC2 and SSL Cert Provider: Let's Encrypt (through Certbot)
I have seen some kind of a question but the answer is not useful for my situation.
I have a domain api.example.com ...
1
vote
0
answers
244
views
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 ...
- 131
2
votes
1
answer
7k
views
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:
<Executor name="tomcatThreadPool" ...
- 21
4
votes
0
answers
6k
views
Enabling HSTS header on AWS Application Load Balancer
We have a Spring Boot application behind an AWS Application Load Balancer. The load balancer terminates SSL before forwarding coming requests to our application and also redirects 80 port to 443 port.
...
0
votes
0
answers
269
views
Centos8 java application as service
Background:
We are running java springboot applications on Centos8 (for now...) as service but applications take some time to startup: flyway, DAO initialization... Actualy start of service can take ...
- 111
0
votes
1
answer
437
views
How can I connect My Domain and Spring-boot project?
my env : Linux, maven, AWS EC2, Spring boot
I can see the main screen of the project when I connect to the Elastic IP of EC2. However, when I try to connect to the purchased .dev domain, I get an 403 ...
- 1
0
votes
3
answers
2k
views
CORS Error in Google App Engine on java server
I have two apps.
Frontend(Angular) running on Firebase
Backend Spring Boot (Java11) running on App Engine
Got this error while trying to reach any endpoints in app engine "Access has been blocked ...
google-app-engine
0
votes
0
answers
261
views
Kubernetes pod return 401 with Keycloak Bearer header
I have the k8s cluster which ALB(ingress) --> (api service, keycload service) --> (api deployment, pod deployment).
I use authorize code authentication to Keycloak and get the access token. But ...
- 1
1
vote
0
answers
433
views
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 ...
- 174
-1
votes
1
answer
524
views
Google App Engine 500 internal server error
is there any way to solve this probleme but in my local m
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [...
1
vote
1
answer
3k
views
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 ...
- 174
1
vote
0
answers
79
views
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 ...
- 174
0
votes
1
answer
215
views
Spring application low performance when filtering data
I have created Spring application in app engine B2, I can see in logs
that application takes 1s to complete data filtering(after wakening application up). When in my
local machine it takes 10ms.
Data ...
0
votes
0
answers
698
views
Spring Boot and stop by systemctl not working
My application uses Spring Boot 2.3.1.RELEASE, it is an executable jar that uses an Embedded Tomcat and is listening on port 10605.
I deployed on CentOS Linux release 7.6.1810 (Core).
I took the ...
- 101
2
votes
2
answers
9k
views
CORS blocked by No "Access-Control-Allow-Origin" on dockerized Angular frontend app and Spring Boot dockerized backend
I have built an Angular app and created a docker image, which makes it run on an Nginx server (once it is run). For the backend, I have a dockerized implementation as well. While trying to access the ...
- 21
0
votes
1
answer
1k
views
Deploying React + Spring boot Rest + mysql on one cloud – is it possible?
I have finished by project coding, and now I want to launch it online.
I need some consulting about my deployment process.
At first I though that I will use the “free using” first year of AWS, but ...
- 101
2
votes
2
answers
4k
views
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.
- 31
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0
answers
802
views
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 ...
0
votes
1
answer
607
views
Nginx und Tomcat For Spring and Angular App
I have Spring boot and Angular app in Tomcat Container deployed on Server. It works totally fine on localhost.
Now I am trying to map my domain with the application.
When I call my domain then API ...
- 101
0
votes
1
answer
364
views
Installing tomcat 9 on oracle linux having tomcat 7
I have a task to deploy a war file of a Springboot 2.2.4 therefore the oracle linux server i am using already contains tomcat 7, and springboot 2.2.4 is not compatible with tomcat7 I am getting an ...
- 1
0
votes
1
answer
157
views
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, ...
0
votes
1
answer
357
views
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 ...
0
votes
1
answer
2k
views
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 ...
- 103
0
votes
1
answer
5k
views
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 ...
- 101
0
votes
1
answer
242
views
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 ...
1
vote
1
answer
491
views
If I'm redirecting port 80 to 443 with ssl set up in nginx and proxy to my application on port 5000 do I still need to set up Spring boot to use SSL?
Sorry if this should go into stackoverflow or security, it's kind of a middle of the road question.
I have nginx on an elastic beanstalk instance which is set to redirect 80 to 443 and is proxying ...
- 135
1
vote
1
answer
538
views
Finding reason for Spring Boot application failure
My Spring Boot application stopped working a couple of days ago and I'm trying to figure out why so I can prevent it in the future. This is the first time this happens so I don't really know where to ...
- 111
-1
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1
answer
796
views
How to create and use same ssl certificate on RabbitMQ server and Spring Boot App?
can a single ssl certificate either from CA or self signed be used for RabbitMQ server and for Spring boot app?
I have RabbitMQ server running on one machine and Spring boot App running on another ...
- 1
0
votes
0
answers
3k
views
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 ...
- 103
1
vote
1
answer
7k
views
how to access external mysql from docker
I have an springboot java app inside docker that needs to access an external mysql.
How can I configure this? Is it possible to define it inside Dockerfile?
I am now to docker so I assume this ...
- 195
1
vote
1
answer
212
views
Azure application gateway spring boot app VM scaleset
I have a setup of Azure VM scaleset, each Linux VM running java spring boot app on a specific port (8070).
I need to use a domain with https on application gateway and use Linux VMSS with java app as ...
- 111
1
vote
0
answers
3k
views
org.springframework.amqp.AmqpTimeoutException
My spring boot application throws connection timeout error, and it is never able to connect. The other interesting problem I see is, it is never picking up the connection timeout property defined in ...
- 11
0
votes
1
answer
841
views
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 ...
- 303
1
vote
0
answers
350
views
Hyper-v dynamic memory issue with java spring boot
I have a developer who wrote several applications in Java spring boot and I have a VM configured with dynamic memory. His application stops working intermittently and he's pointing the finger at the ...
- 250
0
votes
2
answers
5k
views
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 (<IP>:<Tomcat port>/manager/html).
It works if I access the endpoints ...
- 109
1
vote
2
answers
354
views
How can I find disk space usage?
I have a Ubuntu docker run on CentOS host in Google Cloud.
The docker runs a spring-boot application used for image uploading to S3. I do not save anything on local disk.
Every 2 weeks or so, I have ...
Related Tags
java × 19
nginx × 9
ssl × 8
tomcat × 8
docker × 7
springframework × 6
deployment × 4
linux × 3
kubernetes × 3
http × 3
cors × 3
angular × 3
amazon-ec2 × 2
centos × 2
https × 2
mysql × 2
postgresql × 2
rabbitmq × 2
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