Category "java"

Hashmap values always being overwritten to last looped value

I cannot figure out why my HashMap keeps over writing all of my key/value pairs with the last ip address the method reads. Basically we are meant to store all o

Azure Storage Blob: Uploaded CSV file shows zero bytes

This problem I am facing in title is very similar to this question previously raised here (Azure storage: Uploaded files with size zero bytes), but it was for .

JAXB - Unmarshalling of abstract classes (InstantiationException)

I know, that it might seem that this question is a duplicate of this one: InstantiationException during JAXB Unmarshalling (abstract base class, with @XmlSeeAls

No main manifest attribute, in executable jar

while running my jar I receive the below error No main manifest attribute, in jar I have followed some of the solutions provided here but it did not solv

JAVA_HOME is not valid when trying to start NIFI

Running on a mac. Just downloaded JAVA 1.8.0_311 in order to run nifi 1.14.0. I am following instructions from a book that instructs me to set the environment

Spring boot (.2.3.0.RELEASE) with bucket4j rate limit not working

I am trying to use limit rate API for a Spring Boot Rest application, with bucket4j based on the following online resource Please find my configuration below: B

Retrieve exchange token

Working on an Azure AD-based authentication using OAuth2 and its On-Behalf-Of authentication flow. I am wondering how to actually check the token comparison bet

Firestore Paging Adapter- How to know if query returns 0 results

I'm using firestore paging adapter to populate my RecyclerView with data from Firestore, if collection in Firestore is empty I would like to show a TextView to

UNDO/REDO for JTextArea

I am writing a text editor. And here I ran into a problem. I need to implement UNDO and Redo function for JTextArea. For this I use UndoManager. But, if I cance

Cancel multiple Retrofit API calls at once

Past few days I am searching for a Retrofit2 feature. Is there any option or way to cancel multiple API calls at once, requested from a client? For example, I h

Clojure - compiling project with Java classes that are potentially not available

I am wrapping a java library in Clojure. Depending on the java library version, some classes exist or not, so my library can fail to even compile if it can't fi

Can I include Java constant value in AsciiDoctor document?

For example, lets have a Java constant in some class public class MyClass{ public static final String ENDPOINT="http://example.com" } and lets try to describ

Clojure - compiling project with Java classes that are potentially not available

I am wrapping a java library in Clojure. Depending on the java library version, some classes exist or not, so my library can fail to even compile if it can't fi

What is the difference between maven compiler plugin and maven toolchains plugin?

I had to integrate some legacy code into my maven build, so I used the maven-recommended toolchains plugin to change the java version: <plugin> <gr

Spark: unable to load native-hadoop library for platform

I am trying to start with Spark. I have Hadoop (3.3.1) and Spark (3.2.2) in my library. I have set the SPARK_HOME, PATH, HADOOP_HOME and LD_LIBRARY_PATH to thei

How do I fill in the input type= "time" field in Thymeleaf?

The Spring-Boot + Thymeleaf project does not fill in the input type= "time" field When opening the html form. That's how it works: <input type="time" class="

How to use ilike and % in createSQLQuery in hibernate java

I have made a sql query now i need to add search from it. it needs to search from userfullname the given keyword query is working in postgresql but it is not wo

Minecraft Forge FMLClientSetupEvent fired on Server?

As stated in the Title I think that an FMLClientSetupEvent is Fired on a Forge-Minecraft dedicated Server. Forge Versions should be the same. All in all, this l

Quarkus upgrade complaining regarding vertx thread in tests

I have recently upgraded quarkus to 2.9.0.CR1 and am now having issues in some of my tests I am using reactive panache in this, through the repository pattern.

error: cannot find symbol: method rotate()

I must write a constructor that takes in a 27-letter sequence and a char that "rotates" the char sequence until the first char in the sequence matches the given