I'm trying to write a simple API application to read data from HBase on an AWS EMR cluster. But I get an UnknownHostException when I try to send the reques
I am new to Spring boot and I want to be able to delete the value of a forgein key if its entity is removed without deleting the whole entity linked to it; I ex
I have a problem with external properties file used by jar file generated by spring boot I have created the project below : The model object : package jms.model
UPDATE: I have tried implementing the SQLData interface for my Financial.class and PersonalInfo.class Java POJOs defined on my @NamedStoredProcedureQuery for th
**Controller** package com.example.curd.curdtesting.controller; import com.example.curd.curdtesting.entity.Book; import com.example.curd.curdtesting.service.Bo
At my job I faced an issue while running a WebService locally and doing authentication into it also locally. WebService uses Waffle with SSPI through JNA and ex
When i click on multiple images of recyclerview then multiple audios start playing without stopping the previous one. It is getting irritating. I hope someone c
I have a List<String> emails containing emails, and another List<String> keywords for containing keywords. For each i-th value from keywords, there
I have to modify each value for key inside JSONObject and I'm using recursion to iterate over JSONObject because it can be nested. But I'm getting exception in
I'm trying to retrieve coordinates for a given address using an API I found for OpenStreetMap The API is as follows: package com.sges.commons.utils.coordenada;
someone could help me to solve this bug? i have update spring boot from 2.5.x to 2.6.3 and now the query like: @Query("select count(s.subjectId) from PreChe
I'm confused on what OutOfMemoryError really is. The question I have asks what the OutOfMemory exception signifies: The process ran out of heap space Process ra
According to the project loom documentation virtual threads behave like normal threads while having almost zero cost and the ability to turn blocking calls into
I have recyclerView where i have added a editText. But when I type text to one edittext, text shows another edittext too. Here is the image.. Above image, I ty
I try to create Oath2 registration. But I get this error: Caused by: java.lang.IllegalArgumentException: authorizationGrantType cannot be null at org.spring
Im really confused, Daily I work with java and spring and in Spring-community it is almost obvious that Repositorium/DAO and Services are Singletons (which is d
I have a List<Object> element in Java which contains Map<String, String> before adding a new Map<String, String> I would like to know if there
I found an odd behavior in Antlr4 (I tried versions 4.10 and 4.10.1 with the same result). When I try to use the grammar grammar Paths; cfg: NL? (entry (NL | E
I'm quite new to GraphQL and I'm struggling with how to translate the concept of the GraphQL interface to proper java code that works with the graphql-java-kick
Feeling a little dumb here. I have this string http://www.example.com/foo/bar#4.png?token=1441307151_4492f25946a2e8e1414a8bb53dab8a6ba1cf4615 Because the file