With the following Controller method: @GetMapping("/books") public ResponseEntity<List<Book>> getBooksByTitleOrAuthor( @RequestParam(required = false) String title, @RequestParam(required = false) String author) { if ((title== null || title.isEmpty()) && (author == null || author.isEmpty())) return new ResponseEntity<>(HttpStatus.BAD_REQUEST); if (author != null) { Logger.info("GET…
I have redis cache with structure as below private HashOperations<String, Long, Object> hashOperations; //put data in cache hashOperations.put("Key", 1, SomeObject); I need to fetch data from the cache with pagination( first page 50 results, second page next 50 results and…
My OS = CentOS-7 Oracle 18.4 XE Java 8 JDK + Tomcat 8 I facing the following error: Exception in thread "main" java.lang.NoClassDefFoundError: oracle/dms/console/DMSConsole at oracle.jdbc.driver.DMSFactory.<clinit>(DMSFactory.java:46) at oracle.jdbc.driver.PhysicalConnection.createDMSSensors(PhysicalConnection.java:1713) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:849) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:443) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:712) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247)…
In spring data redis we have two variables. RedisTemplate<Key, Value> redisTemplate; HashOperations<Key, HashKey, HashValue> hashOperations; There is a method expireAt(String key, Date date) inside RedisTemplate. So if I want to set an expiry for a particular hash key I can…
I am using Redis Cache in my Spring Boot application to store data of multiple rest API's. I am clearing Redis cache on a regular interval using Spring Cron Jobs. The method is getting called at required time-slots. I have…
I am trying to upgrade the plan of paypal subscription using Rest API. https://developer.paypal.com/docs/api/subscriptions/v1/#subscriptions_revise This is the documentation I am following. But I am getting the following error : {"name":"UNPROCESSABLE_ENTITY","message":"The requested action could not be performed, semantically incorrect, or failed…
I'm trying to call a 3rd party endpoint that requires authorization using Java spring rest Api, so I need to execute an Authorization Code Grant Flow. I understand the flow where I need to first get the code then exchange…
So I'm a complete beginner(started programming 4 months ago) so bear with me please, i have this spring web application with an apache tomcat web server auto installed with it, and it's working quite fine in a local host. I've…
I'm writing a crud application using SpringBoot and Jquery with Ajax. And I'm getting the following exception: (I'm getting an exception when I'm trying to add a new user) .HttpMessageNotReadableException: JSON parse error: Cannot deserialize instance of `ru.javamentor.predproject3.model.User` out of…
As per this doc couldn't find the right process to re-downloading a locally removed file from remote SFTP. The requirement is, to delete local file which already been fetched from remote SFTP and use sftp-inbound-adapter (DSL configuration) to re-fetch that…