Recent questions tagged JAVA

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java - Can you completely disable CORS support in Spring?

As described in CORS preflight request fails due to a standard header if you send requests to OPTIONS endpoints ... CORS interception in Spring? 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 - Aggressive garbage collector strategy

I am running an application that creates and forgets large amounts of objects, the amount of long existing objects does ... come in for a while. 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 throw a custom fault on a JAX-WS web service?

How do you throw a custom soap fault on a JAX-WS web service? How can I specify the faultCode, ... developing using code-first approach. 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 - Maven building only changed files

Lets say i have module structure like below Modules ->utils ->domain ->client ->services ->deploy (this is ... and deploy it in deploy folder? 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 - Show spinning wheel dialog while loading data on Android

I want to show a spinning wheel dialog while my app loads some data: The spinning wheel dialog should show on a button ... (), "Denied"); } } 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 resolve Error listenerStart when deploying web-app in Tomcat 5.5?

I've deployed an Apache Wicket web-application that uses Spring and Hibernate to my Tomcat 5.5 instance. ... Any help is greatly 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 - Dealing with command line arguments and Spring

When I'm writing a Spring command line application which parses command line arguments, how do I pass them to ... the parsed args to Spring? 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 "convertView" parameter in ArrayAdapter getView() method

Can someone tell me what the convertView parameter is used for in the getView() method of the Adapter class? ... data at the specified position. 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 - RxJava2 observable take throws UndeliverableException

As I understand RxJava2 values.take(1) creates another Observable that contains only one element from the original ... this from the consumer ? 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 - Spring MVC Controller redirect using URL parameters instead of in response

I am trying to implement RESTful urls in my Spring MVC application. All is well except for handling form ... most graceful way around 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 - Eclipse: Syntax Error, parameterized types are only if source level is 1.5

I try to use the following code: ArrayList<String> Map<String, String> Eclipse complains about both of them: ... this error. Any Idea why? 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 get Map data using JDBCTemplate.queryForMap

How to load data from JDBCTemplate.queryForMap() and it returns the Map Interface.How the maintained the query data ... ; } Plz help 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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597 views

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java - How to add subcollection to a document in Firebase Cloud Firestore

The documentation does not have any examples on how to add a subcollection to a document. I know how ... ").addCollection("subCollection") 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 - map vs flatMap in reactor

I've found a lot of answers regarding RxJava, but I want to understand how it works in Reactor. My current ... I wonder what the difference is. 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 difference between access specifiers and access modifiers?

In Java, are access specifiers and access modifiers the same thing? See Question&Answers more detail:os...

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

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436 views

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java - MultipartException: Current request is not a multipart request

I am trying to make a restful controller to upload files. I have seen this and made this controller: ... complains with the same error. See Question&Answers more detail:os...

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

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279 views

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java - Is there a way to take an argument in a callable method?

I have created a piece of code which takes an IP address (from main method in another class) and then loops ... be the argument that was taken. 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 does "this()" method mean?

I ran into this block of code, and there is this one line I don't quit understand the meaning or what it is ... are, but what is 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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223 views

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java - Why declare an interface as abstract?

What's point of declaring an interface as abstract? Same thing for an interface method. Is there a point to ... (final HasWidgets 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 - How can I parse UTC date/time (String) into something more readable?

I have a String of a date and time like this: 2011-04-15T20:08:18Z. I don't know much about date/time ... to a more normal format, in Java? 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 - Spring Scheduler stops unexpectedly

We have a Spring 3 web application on Tomcat 6 that uses several scheduled services via @Scheduled (mainly for ... a complete server restart. See Question&Answers more detail:os...

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

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856 views

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java - JPA2: Case-insensitive like matching anywhere

I have been using Hibernate Restrictions in JPA 1.0 ( Hibernate driver ). There is defined Restrictions.ilike("column ... please? Thanks a lot. See Question&Answers more detail:os...

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

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386 views

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java - Custom view ... overrides onTouchEvent but not performClick

I get this warning (from the question title) in a custom Android view I am developing. Why do I ... performClick when you override onTouchEvent? See Question&Answers more detail:os...

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

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252 views

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java - JPA Cannot resolve column/IntelliJ

I'm trying to map some Java classes using the Hibernate JPA implementation. My problem is that I can't use ... IntelliJ Version 14.0.3 regards, 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 - milliseconds to days

i did some research, but still can't find how to get the days... Here is what I got: int seconds = (int) ( ... help, I suck at math, thank's. 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 - com.sun.jdi.InvocationException occurred invoking method

I just want to create an object of class, but got this error when debugging. Can anybody tell me what the problem ... to false? Thanks a lot~ See Question&Answers more detail:os...

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

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112 views

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java - Do SOAP Web services support only "POST" http method

I faced this question on one of interviews, so could you please tell whether SOAP Web services support only " ... methods on the server side? 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 - Is it possible to have Ant print out the classpath for a particular target? If so, how?

I'm trying to get a target to build that has quite a long list of <pathelement location="${xxx}"/> and < ... the target I'm trying to build. See Question&Answers more detail:os...

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

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