Recent questions tagged Java

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I'm running into an issue when i try to use the HttpClient connecting to a url. The http connection is ... can help, id really 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 - How to collect spring properties from multiple files for use on a single bean

I haven't gotten my head wrapped around Spring yet, so correct me if this question doesn't make sense... ... open source web portal project. 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 loglevel from INFO to ERROR using log4j2 api at runtime?

logger.setLevel() method is not available in log4j2 API. So how to set log level at run time. 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 shorthand for <fmt:message key="key" />?

It's tedious and ugly to write things like: <input type="button" value="<fmt:message key="submitKey" ... (spring-mvc-only solutions applicable) 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 - Problem reloading a jar using URLClassLoader

I need to add plugin functionality to an existing application for certain parts of the application. I want to be ... info. Thanks for looking! See Question&Answers more detail:os...

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

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183 views

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java - Using JSON with MongoDB?

My application uses JSON objects a lot (org.json.JSONArray and friends). What's the most efficient way to ... these two hierarchies at all. 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, Proguard and assembly issues

I'm trying to get Maven working with ProGuard. What I want to achieve is the following: Run ProGuard over my ... this? Thanks in advance, Matt 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 - Deep reflective compare equals

I am trying to validate serialize and de-serialize routines by comparing the resulting object with the original object. ... (inst1, inst2); } 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 - Signing a jar file with trusted certificate for JWS deployment

I've developed an open source program, WPCleaner, which is distributed through Java Web Start. Current version is ... chain is not validated." 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 - wildfly: reading properties from configuration directory

I'm trying to read deployment specific information from a properties file in my wildfly configuration folder. I tried ... anyone show me 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 - Jstack and Jstat stopped working with upgrade to JDK6u23

We recently upgraded from JDK6u20 (Linux, 32bit and 64bit) to JDK6u23. Since then, we cannot longer use the ... anything else. Only the JDK. 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 - MediaStore.MediaColumns.DATA is deprecated, and I want to load images from gallery to my app

I want to load all the pictures from the galley to my app by using MediaStore.MediaColumns.DATA , but it ... close() } return listOfAllImages } 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 - FileWrite BufferedWriter and PrintWriter combined

Ok so I am learning about I/O, and I found the following code in one of the slides. can someone please ... outFile = new PrintWriter (bw); See Question&Answers more detail:os...

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

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355 views

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java - Multi-Tenancy with Spring + Hibernate: "SessionFactory configured for multi-tenancy, but no tenant identifier specified"

In a Spring 3 application, I'm trying to implement multi-tenancy via Hibernate 4's native ... to have been resolved. 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 JSF find beans annotated with @ManagedBean?

As far as I know, for using @Annotations (or [Attributes] in C#) you have to have a reference to the ... find all annotated classes somehow... See Question&Answers more detail:os...

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

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258 views

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java - Fastest way to incrementally read a large file

When given a buffer of MAX_BUFFER_SIZE, and a file that far exceeds it, how can one: Read the file in ... would then be used for processing. See Question&Answers more detail:os...

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

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146 views

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java - Multiple properties files in Spring 3.0

I am working on a project with several separate modules, each with their own application context properties files. I ... way to do this? 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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291 views

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java - Max double slice sum

Recently, I tried to solve the Max Double Slice Sum problem in codility which is a variant of max slice problem ... } return maxSliceTotal; } } See Question&Answers more detail:os...

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

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714 views

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java - Spring JPA (Hibernate) No qualifying bean of type: javax.persistence.EntityManagerFactory

I'm using Spring-boot, so a war deployed in Tomcat 7. When I start the app I get ... : No qualifying bean of type [javax.persistence.EntityManagerFactory]...

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

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254 views

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java - Register Spring Converter Programmatically in Spring Boot

I want to register a Spring Converter in a Spring Boot project programmatically. In past Spring ... StringToAssessmentConverter.<init>() See Question&Answers more detail:os...

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

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338 views

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java - Maven not compiling class and there is no class files in war file

iam converting my project to maven. I see in war file there is no class file available. Below is the pom ... build> </project> Project structure See Question&Answers more detail:os...

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

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350 views

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java - How can I check whether a field exists or not in MongoDB?

I have created some documents and managed to make some simple queries but I can't create a query that would find ... . How can I achieve 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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172 views

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java - How to specify a particular JAXB implementation?

It seems as though I have already done this once in the past, but I cannot find any reference to what I had ... -7.0.2.Final/jboss-modules.jar See Question&Answers more detail:os...

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

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348 views

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java - Ubuntu: change the path from OpenJDK 6 to Oracle JDK 7

After downloading the latest .tar file I ran tar zxvf jdk-7u45-linux-x64.tar.gz to extract java files. Set the ... , or type selection number: 3 See Question&Answers more detail:os...

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

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199 views

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java - Change font size in ListView - Android/Eclipse

How can I change the font size in a ListView element? In my main.xml file, I have tried several different ... ); setListAdapter(adapter); } } See Question&Answers more detail:os...

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

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228 views

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java - How to generate a SOAP message with a fully populated request from WSDL without code gen

I would like to ask you how I can generate a SOAP request/response in a XML format on the basis of the ... </soapenv:Body> </soapenv:Envelope> See Question&Answers more detail:os...

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

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235 views

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java - Improving Eclipse autocompletion?

Currently the Eclipse autocompletion seems only to be triggered after a dot or on parameters, I want to use it ... want? Thanks for any hint! 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 - Spring security always returns HTTP 403

I have configured a custom Filter that grants a spring authority for every URL other than /login : public class TokenFilter ... ) [na:1.8.0_40] See Question&Answers more detail:os...

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

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