Runtime error - Request header is too large
Basically add this to your applications.properties
file
server.max-http-request-header-size=20000
20000 can be greater or smaller
Application.properties file
Typical settings
spring.application.name=vat_calculator_service server.max-http-request-header-size=20000 # H2 Database configuration spring.datasource.url=jdbc:h2:mem:testdb spring.datasource.driverClassName=org.h2.Driver spring.datasource.username=sa spring.datasource.password=password spring.jpa.database-platform=org.hibernate.dialect.H2Dialect spring.h2.console.enabled=true spring.jpa.defer-datasource-initialization=true spring.jpa.hibernate.ddl-auto=update # Incase you are using MYSQL Database please comment/remove h2 database configuration above # And uncomment below configuration #spring.jpa.hibernate.ddl-auto=update #spring.datasource.url=jdbc:mysql://localhost:3306/mydb #spring.datasource.username=root #spring.datasource.password=password spring.jpa.show-sql = true