包含标签：Java 的文章
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Java – the typed method in the jparepository does not return the correct type
I have a method in the jparepository that should return a list of JPA entities: @Entity public class SomeEntity { …… -
Java – expose implementation information to callers?
In JLS capture conversion, it discusses two methods of writing reverse method signatures: > public static void reve…… -
Java – why do you accept static final variables in local classes?
I use Google to search widely but to no avail I can't seem to revolve around this concept Why do local classes accept …… -
Java – Concurrency: how do I use incoming and outgoing queues to implement an executable?
It is well known that ThreadPoolExecutor uses some blockingqueues as queues for incoming tasks What I want is for the …… -
Java – spark accumulator reset
There is no way to reset the spark accumulator through the driver so that the actuator accumulator will also be cleane…… -
Java – in a single build Compiling source code with two different sets of dependencies in gradle
I'm using the gradle script. I have two separate cognitive lists and other dependency lists Listing 1: cognos:a:10.1.1…… -
Java – hibernate JPA persistence exception
I'm trying to test my hibernate mapping based on a given set of JUnit tests However, the following tests failed @Test …… -
How to track pending HTTP requests in angle 2
I want angular 1 $HTTP in angular 2 A substitute for pendingrequest or anything that follows the interceptor's global …… -
Java references objects that are not in scope
When my java project gets bigger, a question will always pop up: is there a simple way to reference specific objects t…… -
Java – HTML publish request (login form)
I need to log in to a website I try to archive it by sending the correct post request I can collect the required data …… -
How to start IOS with java code_ webkit_ debug_ proxy
I can run appium server from Java code But I want to know how I am Any pointers or suggestions will be highly apprecia…… -
Java – return stream from custom data structure class
I'm developing a program to create a custom LinkedList generic class. I hope to generate a stream from it by calling s…… -
Java – although there are no errors in the log, the email sent on Google App Engine is invalid
[I looked at all the questions related to this topic on so, but none of them seemed to explain the behavior I saw] I h…… -
Java – unable to handle the business interface of EJB classes
When starting Maven with test parameters, I got the exception mentioned above When creating an integration test deploy…… -
Java – spring boot HSQLDB / H2 always displays “port in use” on Windows 10
I am developing a spring boot application. When I try to run the application using an embedded database (HSQLDB or H2,…… -
Dependency in Java – Maven: what impact does EJB type have?
If you declare dependencies in maven, you can add types, such as war, jar, EJB I know that compiling a project of type…… -
Java – chrome cannot run in selenium webdriver I use selenium 3.0 1 chrome v-54.0
public class sikuli { public class sikuli { public static void main(String[] args) throws Exception { //S…… -
Java – wildfly and logback of blank lines
I'm trying to use wildfire 9's logback To do this, I added a JBoss - Deployment - structure. JSP in my web - inf folde…… -
Java design replaces if else and instanceof
Our Java application uses Google guava eventbus to communicate on the back end Some of these events are sent to the cl…… -
Java – Google login Google idtoken backend verification fails suddenly
I've always had this problem with Google login I have an Android application connected by users to authenticate with G…… -
Java – why do void methods get NullPointerException on mock objects?
I am writing unit tests for my java application, which analyzes the submission to stash, an atlas application similar …… -
How to attach a modal dialog to the main window in JavaFX?
Examples of additional modal conversations: Is there any way to bring it to JavaFX? Solution Support for additional di…… -
Java – security exception: Android permission. INTERACT_ ACROSS_ USERS
I just encountered this exception under the application PID in Android monitor without doing anything special The firs…… -
java – RabbitMQ com. rabbitmq. client. Alreadyclosedexception: the connection has been closed due to a connection error
I use rabbitmq as a proxy to send requests and responses between my different applications Although I face strange beh…… -
The javalaunchhelper class is implemented in two places
Today, I upgraded my IntelliJ idea on MacOS Sierra. Now, this error occurs when I run the application in the console: …… -
Java – spring security returns 302 when attempting to log out
I use spring security (4.0.2. Release) to protect my application I can log in normally and my authenticated URL is pro…… -
Java – JUnit tests the hypothesis of theoretical failure
I'm implementing a JUnit test (version 4.11) that will run several times with different parameters So I use the JUnit …… -
Java / parse error Trying to send from Android SDK to parse
This was set for another application a few days ago and works normally. The result was successfully sent to mongolab A…… -
Java – cannot be in class org apache. log4j. core. layout. Calling factory methods for element jsonlayout in jsonlayout
I tried to log in to JSON format through log4j2 This is my log4j2 XML file: <?xml version="1.0" encoding="UTF-8"?&g…… -
Classic singleton and lazy using java 8 performance
Recently, I read an article "be lazy with Java 8", which introduces a method to create inert objects (objects whose in…… -
Java – JNI with C keeps crashing cout, printf and method calls
I am writing my first JNI program in C and have developed test methods to ensure that everything is normal The problem…… -
Java – Android: snackBar gives ArrayIndexOutOfBoundsException
It seems that the code of exception is as follows: Snackbar.make(findViewById(R.id.content_main),"E' necessario abilit……