Recent questions tagged Java

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java - Base64 Encoding: Illegal base64 character 3c

I am trying to decode data in an xml format into bytes base64 and I am having an issues. My method is ... xml format not compatible with base64? 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 - No active contexts for scope type javax.enterprise.context.RequestScoped when invoking a bean from a thread

While using Weld-SE 2.1.2.Final to obtain a bean and to invoke it from a thread, I encounter the following ... idea to make this work please? 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 it valid to have a JVM bytecode class without any constructor?

AFAIK, in Java implicit constructors are always generated for a class without constructors [1], [2]. But in ... a good argument for validity. 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 definition of "accessor method"?

I've been having an argument about the usage of the word "accessor" (the context is Java programming). I tend ... you would define the term. :) 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 - Itext7 generate pdf with Exception "Pdf indirect object belongs to other PDF document. Copy object to current pdf document."

i want to generate a pdf with itext 7,but some wrong happens to us: com.itextpdf.kernel.PdfException: Pdf ... Thanks in advance for suggestions. 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 - Netbeans: project's main artifact is processed through maven-shade-plugin

I am building my project with maven-shade-plugin and Netbeans 8.0 is complaining with the following warning: Project' ... ? What can it break? 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 - Load image from a filepath via BufferedImage

I have a problem with Java application, particular in loading a image from a location in my computer. Following this ... } return null; } } 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 - RxAndroid and Retrofit: Unable to create call adapter for io.reactivex.Observable<retrofit2.Response<okhttp3.ResponseBody>>

I am trying use rxJava, rxAndroid, Retrofit2, and OkHTTP3 to download a file from a URL endpoint. My code ... ResponseBody>,Observable< File>>). 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 does Stream.max() handle equality?

Although I suspect the answer to be "It's not specified"... If there are multiple "greatest/lowest" elements ... which element will be found? 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 throws NullPointerException during Maven update

I've been fighting an internal Eclipse error for two days. I'm running the latest Spring Tool Suite edition of ... , you are my only hope. 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 - Get domain without subdomain from a URL

What is the proper way to get the domain from a URL without the subdomains? In Java, from a string you can ... but couldn't find one there. 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 - Extend JPA entity to add attributes and logic

I need to know if it's possible to add some attributes and behaviours to some POJO JPA entity (using ... suggestions will be very appreciated. 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 - Formatting a double and not rounding off

I need to format (and not round off) a double to 2 decimal places. I tried with: String s1 = "10.126"; ... I require the output to be 10.12 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 - FindBugs filter file for ignoring JUnit tests

I need to set up a filter file for my findbugs ant script that scans only the src/* files and not the test/* ... name with 'test' in the name? 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 inherit application.properties in Spring?

If I create a commons library having an application.properties defining common configurations. Like: spring.main.banner- ... commons to my-core? 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 set theme to ProgressDialog?

I would like to set theme of progressDialog. To create it, I use this code: progressDialog = ProgressDialog.show(this, ... if I cant use them? 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 - Auto-Launch JNLP on click

How do I get a JNLP file to auto-launch on click? (as opposed to clicking save or open when clicked) ... that the browser must first recognize? 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 - Error:Execution failed for task ':app:mergeDebugResources'. > Some file crunching failed, see logs for details build gradle issues

currently I am using Android Studio 2.1 when I run my App it shows me some error in Message Gradle Build saying the ... . java:61) ... 57 more 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 - Better alternative to Apache Tiles

I'm looking for a framework that is better and easier to use than Apache Tiles (which so far, I have used ... In anycase, all help appreciated. 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 - AssertEquals(String, String) ComparisonFailure when contents are identical

I'm facing the following scenario: I have an app that spits everything out to the STDOUT (simple company test) and ... JUnit4 and assertJ 2.4.0 See Question&Answers more detail:os...

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

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555 views

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java - How can I map a Spring Boot @RepositoryRestResource to a specific url?

I cannot seem to be able to map my Repository in any location other than the following: @RepositoryRestResource( ... am I doing wrong? See Question&Answers more detail:os...

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

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342 views

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java - mkdir() is not creating the new directory

I am using Eclipse and jdk1.7. I am making a basic program using file handling, in which an output directory ... ) is having the same problem. See Question&Answers more detail:os...

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

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365 views

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java - matching List in any order when mocking method behavior with Mockito

I have a test using Mockito that has a very strange behavior : it works in debug but fails when running ... this when configuring my mock ? 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 regex to search backwards effectively?

I'm searching forward in an array of strings with a regex, like this: for (int j = line; j < lines.length; j++) { ... " at line 0 [0,3] // bwd 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 temporary procedures in MySQL?

I am currently working on a portal application for a restaurant. The backend database used is Mysql and I am ... folks know an elegant solution. See Question&Answers more detail:os...

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

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490 views

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java - Why does Spring MockMvc result not contain a cookie?

I am trying to unit-test login and security in my REST API, so I try to mock real-life request sequences as ... to return a cookie to me? See Question&Answers more detail:os...

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

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595 views

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java - How to change the look and feel in NetBeans GUI Designer Preview?

When using the NetBeans GUI Builder the "Preview Design" feature shows the panel with the system look and feel ( ... panel with a different LaF? 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 - mock method with generic and extends in return type

Is it possible to mock (with mockito) method with signature Set<? extends Car> getCars() without supress warnings? ... -of ? extends Car>) See Question&Answers more detail:os...

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

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