JAVA - Страница 2466

When I tried to run a java program in eclipse editor. Result is not getting printed in console. instead a blank space is coming. In the console I am able to type numbers.Why it is allowing me to type no: in console space even though I have not used...

I'm working on a project with multiple microservices registered with a Eureka Discovery Server. I've set up a Spring Cloud Gateway as an Eureka client and configured the routes accordingly. However, my requests through the Gateway result in 404...

My application.yaml is like so:

env: emails: a: 0 # works, the rest don't b.com: 0 c.com: 1 d.com : 0 'e.com': 1 : 0 ' ': 1 I am using this class to read it:

@ConfigurationProperties( env ) public class Configurator { private Map emails;...

long time= (getTime()/60000L) * 60000L

The getTime() will return unix time in millis. I am exploiting division with longs to write off seconds and millis. The result must also be in unix time format (resolution upto millis)

I am wondering if...

I have a quarkus application, created a custom annotation with interceptor to secure endpoints.

// Custom annotation

@InterceptorBinding @Retention(RetentionPolicy.RUNTIME) @Target({ ElementType.METHOD, ElementType.TYPE }) public @interface...

I have successfully implemented JWT-authentication for my Rest-API in Java Spring Boot. Only with a valid JWT-token users can make requests to my secured endpoints. But I need to find a way so that users can only access the resources they own.

If...

Complete the Location constructors labelled FIXME in the Location class.

package comp1110.ass1; import java.util.Objects; /** * This class encodes a certain cartesian coordinate system (row, column). We call this row-major order. * For example,...

I have a regEx Mask like:

(?.*) - (?Start|End) (?\w*) - (? {10})(?: - (?.*))? and the value for every fields:

ex: etl=Foo date=2024-03-09

I want to fill the mask with the value for obtain the sentence: ETL_LOAD - Start Foo - 2024-03-09...

Whenever I print something inside the servlet and call it by the web browser, it returns a new page containing that text. Is there a way to print the text on the current page using Ajax?

I'm very new to web applications and servlets.

Источник:

The program is reading (*.xlsx) files using XSSFWorkbook in poi-5.2.3 version.

Sometimes, an OutOfMemory (OOM) Exception occurs when calling getStringCellValue() for each Cell.

I adjusted heap size to 2GB(both -xms and -xmx), but to no avail....

class Burger extends Food { private int numberofPatty; public Burger(){ } public Burger(String name, String[] ingredients, double price,float calories, int numberofPatty){ super(name,ingredients,price,calories); this.numberofPatty= numberofPatty; }...

Here's the part of code that deal with MediaSession of my actual MediaPlayerService class on Android (API Level 30):

@Override public void onCreate() { super.onCreate();

mediaPlayer = new MediaPlayer(); mediaPlayer.setAudioAttributes(new...

I have this method and I have a problem with gson in code :

public static CmsUser validateTokenCms(String token, RestTemplate restTemplate, PropertyCommonConfig propertyCommonConfig) { TokenRequest tokenRequest = new TokenRequest();...

When I assemble the jar and execute it have the following error:

java -Dmicronaut.server.port=17672 -jar dictionary-be-0.1.jar Message: No bean of type exists. * requires the presence of a bean of type . * requires the presence of a bean of type...

I learned that if the names of beans registered through component scanning overlap with those registered through configuration methods, overriding occurs.

However, when I mistakenly specified the return type of a method in the configuration as the...

I'm editing velocity templates. these are used to generate PDFs. The problem is that I can't preview them. I can't see how the template will look when rendered. Are there any tools that can be used for that? I've tried googling and I can't find...

Gradle 8.6

I am trying to sign jars using jarsigner from Gradle task.
The first thing I did was generate a certificate:
keytool -genkey -alias test -validity 3650 -keyalg RSA -keystore test.jks

After entering the command, I set a password...

I have a input string: 11-Apr-2009

I'd like to convert it to Date type and output still the same with my input 11-Apr-2009 . How can I archieve this?

Note: The method to add object required Date type parameter meanwhile the attribute of date is...

I have to review lots of java logs from various sources, that contain java objects dumped to a single long line. Sometimes I'd like to see them in a more formatted fashion. Note that I'm not in control of the logging or the logs I receive.

Are...

Hello I am trying to connect to a mysql database via a java servlet using eclipse and tomcat, but I take the following error: WARN: Establishing SSL connection without server's identity verification is not recommended .I added useSSL=false? to the...

I'm making an app for my high school computer science class, and I wanted to do a recreation of flappy bird in code.org using their simplified java interface. I decided to use a loop that constantly drops the turtle and moves it to the right until...

My springboot application (for blog) is using JWT method of authentication. When user tries to find a blog by the pageId which doesn't exist in the repository, I am trying to throw a NoSuchElementException

In BlogService:

public...

Basically what the title says. I wish to load java classes off a webhost but I dont know where to start, the end goal is to be able to run my classes in a jar by dynamically loading them in from my webhost.

Im thinking of using the class loader...

I am a beginner so maybe I'm missing something simple but I am writing a program and it keeps giving me an access denied error when I select any directory with JFileChooser.

`C:\Users\comma\Documents (アクセスが拒否されました。) at...

I have two entities. I want a bidirectional relationship between projects and tasks.
A project has one or more tasks A task is associated to only one project
There are my entities:

ProjectEntity.java

@Entity @Table(name = projects ) public...