Reason why code is causing error when groupHds is null? I'm getting this error, groupHds is list of string and ddi.group_hd is string column. Error: Caused by: org.postgresql.util.PSQLException: ERROR: operator does not exist: character varying = bytea Hint: No operator…
I have my Dockerfile and docker-compose.yml configured to start my two services - this is my postgres db and Spring Boot app. Dockerfile: FROM openjdk:8-jdk-alpine ENV JAVA_HOME /usr/lib/jvm/java-8-openjdk-amd64/ RUN export JAVA_HOME COPY ./init.dump /docker-entrypoint-initdb.d/ RUN chmod 0755 /docker-entrypoint-initdb.d/init.dump COPY target/endlessblow-server-1.0-SNAPSHOT.jar…
In my database, I am searching for a specific value. If that value does not exist, it should simply be added, but if it exists, a counter should be added next to it. So for instance, if the value Hello…
Hello guys， I am running into this error on my first trial on springboot, and the exception message makes no sense to me, the error message is as follows: 2022-10-03 22:27:15.801 ERROR 22836 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 -…
Mysql giving bad performance while passing column value as bigint and column created with data type is varchar. Below is my create table query and index created on 3 columns(user_id,category,status). I am using spring jpa to interact with mysql and…
I have an Angular client (v14) that needs to call a spring boot application that run on an AWS EC2 instance. My angular app is hosted on Firebase. My Angular client is deployed under HTTPS so when I do http…
I created a Springboot application using https://start.spring.io/. After adding some initial application properties for spring-data-jpa, the application starts fine however, I do not see any tables created in my local database. To test this further, I provided incorrect credentials in…
I am using ReactiveRedisOperations with the driver of lettuce to write to Redis. @Autowired ReactiveRedisOperations<String, Foo> redisOperation; public Mono<Boolean> save(Foo foo) { redisOperation.map(operation -> operation .opsForValue() .set(foo.getId(), foo); return Mono.just(true); } The serialization is defined as private <T> ReactiveRedisOperations<String, T>…
I have a spring boot application that I use to access and fetch a MongoDB database, this application use also a JobRuner solotion to run some ETL jobs and write their results in the same Mongodb database, furthermore this application…
Select distinct(job_id) from A where condition Select distinct(job_id) from B where condition Select distinct(job_id) from C where condition Here may be 1,2 and 3 have some common jobId What I need is count of all job_id which may not get…