Recent questions tagged java

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java - How to stop Hibernate from eagerly fetching many-to-one associated object

I have a property on a domain object that is declared in a many-to-one element. The basic syntax of ... , Java annotations aren't supported. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - web instance already stopped

i get this error Mar 22, 2011 12:36:01 AM org.apache.catalina.loader.WebappClassLoader findResourceInternal INFO: ... source code as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Custom HTTP Message Converter Not Being Used, 415 Unsupproted Media Type

I am creating a test application to achieve conversion from XML String to Employee object before being passed ... the message converter. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - jProgressBar update from SwingWorker

I use to monitor a long running task by updating a ProgressBar. The long running task is of course performed in ... (jTextPane?) and how ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to convert List of Object to XML doc using XStream

How to convert List of Object to XML doc using XStream ? and how to deserialize it back ? This is my ... Bean List using custom converters ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

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java - Doing a join over 2 tables in different databases using Hibernate

I have two tables in two separate Oracle databases (not schemas) that I need to join in Hibernate. Currently, I ... that I haven't listed above? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is the cost / complexity of a String.indexOf() function call

What is the cost / complexity of a String.indexOf() function call? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to create a zip file of multiple image files

I am trying to create a zip file of multiple image files. I have succeeded in creating the zip file of all the ... .close(); } zout.close(); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Always use primitive object wrappers for JPA @Id instead of primitive type?

I've found the issue with using primitive type as an object @Id for JPA in conjunction with Spring Data JPA. ... practice would be very nice. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Custom pretty printer using Jackson library

I have data in a Map object and I want to print it in a json format. I tried using DefaultPrettyPrinter mapper. ... 1", "value-2" ] } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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188 views

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java - Spring Data does not handle Pageable action argument creation

I have a simple controller action: public class CategoriesController { @RequestMapping(value = { "/", "" }) public ... why it's not working? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to use a already opened firefox for testing in Selenium

This declaration WebDriver driver = new FirefoxDriver(); always opens a new instance window of Firefox. It doesn't use ... of opening a new one? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - adding an object using a custom typeadapter, jsonwriter in gson

gson is a great library - it works well. Sometimes I have custom requirements, and can make and register ... I'd really appreciate it! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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131 views

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java - How can I convert byte array to ZIP file

I am trying to convert an array of bytes into a ZIP file. I got bytes using the following code: byte[] ... The specified ZIP contains two files. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Eclipse "Class File Editor" Source Not Found While Debugging

I have a project in Java that I am stepping through and when I'm using external libraries e.g. jdom.jar ... me looking through. image below: See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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363 views

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java - com.google.api.client.googleapis.json.GoogleJsonResponseException: 403 Forbidden

I am trying to upload a text file to my Google Drive account. No matter what, I always encounter an com.google. ... what am I doing wrong here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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120 views

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java - JavaFx 8: open a link in a browser without reference to Application

Have got a Hyperlink. When clicked I want a link to be opened in an external browser. The usual method cited ... easy way of doing this? Cheers See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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213 views

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java - Custom Drawing on Mapbox Map Canvas

I would like to be able to manually draw complex shapes on a mapbox map using the android sdk. I have inherited ... ,0f,1440f,2464f,stroke); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

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java - Log4j2 Filter particular level in apender

What filter should i use, to define particular level to be logged with apender? For example: java: LOGGER.debug(" ... Is it possible to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Open link from Android Webview in normal browser as popup

I have a simple webview which loads a page. This page has a few links that opens within the webview. That's what ... and how can I do it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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101 views

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java - On using Terracotta as a persistence solution

Would it be a good idea to use Terracotta as a persistence solution (replacing a database)? I'm ... and support for transactional systems. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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369 views

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java - How to set the MediaRecorder to get the best video quality effect?

Guys can someone tell me how should I set the parameters in the MediaRecorder in order to get the best ... video encoding process Ex: framerate See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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221 views

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java - partial classes/partial class file

In C# .net there is a provision to have two different class files and make them a single class using the ... be achieved in java some how? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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94 views

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java - how to make maven use test resources

when I use the command: mvn test, maven uses the main resources instead of the test ones in src/test/ ... deployed in a jetty container? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Is there a way to scan JPA entities not to declare persistent classes in a persistence.xml file?

I would like to take advantage of JPA @Entity annotations not to declare class entities a J2SE persistence.xml file ... within a JAR module? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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251 views

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java - Time limit on individual threads with ExecutorService

I have an ExecutorService managing a number of Callables. The tasks that the Callables run are mostly black box ... best way to do this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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370 views

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java - How can I disable default request headers from apache httpclient 4?

I am using apache common httpclient 4.3.3 to make http 1.0 request. Here is how I make the request HttpClient ... Can you show me how? Thanks, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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234 views

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java - Preprocessing source code as a part of a maven build

I have a lot of Java source code that requires custom pre-processing. I'd like rid of it but that's ... all like C or antenna preprocessing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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