Recent questions tagged java

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java - Model Class running Multiple Queries in Hibernate..!

When I use hibernate relations mapping using @OneToOne @oneToMany @ManyToOne relations its making multiple Queries, for ... relations work..?? 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 - Encryption of Strings works, encryption of byte[] array type does not work

I am using the following LINK for encryption and tried it with Strings and it worked. However, since I am ... and it worked with Strings? 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 - Large file transfer with sockets

When I'm transferring a large file using socket programming, the received file is incomplete i.e. it is an ... they are on different machines. 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 Method Annotation using Jersey's AbstractHttpContextInjectable not Working

I want to restrict some methods if they are being accessed in a non-secure manner. I'm creating a ... utilize to implement this annotation. 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 do I use autologin in liferay?

I want to login my users automatically from our application. I know liferay has an auto login feature, but ... on our application database. 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 - Execute multiple queries in parallel via Streams

I am having the following method: public String getResult() { List<String> serversList = getServerListFromDB(); List<String ... (); method5(); } 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 - RestTemplate with Basic Auth in Spring 3.1

We were using RestTemplate with xml configuration in Spring 3.0 and it was working perfectly fine. <bean id=" ... great help. Thanks in Advance. 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 - Configure Multiple DataSource in Spring Boot with JNDI

I want to manage multiple DataSource using your Application Servers built-in features and access it using JNDI. I ... .(from the second schema) 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 - Jersey: Can not deserialize instance of ArrayList out of String

I have a json based REST Web Service implemented using: Jetty, Jersey, Jersey-JSON using Jackson. One of my ... problem. Thank you in advance! 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 - Accessing properties files outside the .jar?

I have a .jar file I'm putting together. I want to create a really really simple .properties file with ... determine at runtime #2 and #4? 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 save a new entity that refers existing entity in Spring JPA?

Imagine the following models: Employee: @ManyToMany(cascade = CascadeType.ALL) @JoinTable(name = "employee_project", joinColumns ... // WORKS! } 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 accept self-signed certificates for JNDI/LDAP connections?

I need to connect to an LDAP directory over SSL. In non-production environments, we use self-signed certificates which, ... ); ctx.search (...) 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 could cause socket ConnectException: Connection timed out?

We have a Webstart client that communicates to the server by sending serialized objects over HTTPS using java.net ... what I should investigate? 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 - Hibernate + Spring using multiple datasources?

I'm working on a web application that uses Spring MVC 2.5 and Hibernate. One of the requirements of the ... like this to work. 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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java - How to retrieve specific list of data from firebase

I am new to firebase and nosql database I am trying to retrieve some specific data from a Firebase. I have ... databaseError) { } }); 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 - Does spring mvc have response.write to output to the browser directly?

I am using spring mvc with freetemplate. In asp.net, you can write straight to the browser using Response.Write(" ... you do this in spring mvc? 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 - Manipulate an image without deleting its EXIF data

Using imageIO, I usually have the problem of transforming an image file, and after overwriting it, it loses all ... it, and then resetting 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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java - How to do Basic Authentication of a resource in Dropwizard

I believe I have basic authentication working but I'm not sure how to protect resources so that they can only be ... here return new Stuff(); } 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 - WADL Generation Tool

Is there a tool which takes a Java File what describes a REST service as a parameter and generates a wadl file out of that. 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 - Should I use DataInputStream or BufferedInputStream

I want to read each line from a text file and store them in an ArrayList (each line being one entry in the ... why - or does it not matter. 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 - Problems when uploading large files to Amazon S3

I tried to use Amazon-SDK(Java) sample code S3TransferProgressSample.java to upload large files to Amazon-S3 ... aborted or completed.<br> 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 - Setting the default jsp view with spring mvc

I want to set one of jsp files in my jsps folder as the default view for the application. Is there ... the url pattern shouldnt be compromised. 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 - JPA primary key auto generate

my primary key entity look like below @GeneratedValue(strategy= GenerationType.TABLE) private Long id; when i run, i ... table on oracle db . 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 - Socket, BufferedReader hangs at readLine()

I have a server which initially does this:- BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream ... on this regard. 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 - When does the JVM load classes?

Assume I have the following class: class Caller { public void createSomething() { new Something(); } } ... method createSomething() is called? 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 .jar or .class to .dex file?

I'm going to edit Opera Mini v6.5 server because it is blocked in our country. Now I have unpacked the .apk file ... .Dex. How do 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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191 views

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java - How to identify a missing method (Binary Compatibility) in a JAR statically

I want to verify binary compatibility between 2 JARs. Following the suggestions in this answer I used jboss ... unrelated to the topic. 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 run a jar file with node.js child_process API?

I tried to run a jar file on nodejs but it threw out a following error: Error: Unable to access jarfile / ... throwing an error at this point. See Question&Answers more detail:os...

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

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