Recent questions tagged Java

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java - Spring MVC; avoiding file extension in url?

I just started with Spring Web MVC. I'm trying to avoid file extenstions in the url. How can i do this? (I'm using ... with no luck (* and /*). 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 AOP: get access to argument names

I'm using Spring 3.x, Java 6. I have an @Around aspect with the following joinpoint: @Around("execution( ... of runtime information. Thanks L 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 you generate and analyze a thread dump from a running JBoss instance?

How do you generate and analyze a thread dump from a running JBoss instance? 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 - convert c++ map to jobject JNI?

I want to transfer a C++ map to Java and have no idea how to define the return parameter so the ... transmitting lists. 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 - List of Spring EL Variables?

Spring EL supports a some predefined variables {#systemProperties. ... } {#systemEnvironment. ... } {#request. ... mvc + security application. 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 request scoped beans in a multi-threaded web application

Scenario: We have a Spring managed web application that runs inside Websphere. (Spring 3.0.x, WAS 7) The ... methods invoked by these threads? 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 Kafka SSL setup in Spring boot application.yml

I am trying to setup a Spring Boot Application with a Kafka Client to use SSL. I have my keystore.jks and truststore. ... ","-jar","/app.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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java - imgscalr with background red

I'm using (org.imgscalr.Scalr) libraries to resize some images, but when after resizing the background turns red . ... you help me? Thank you 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 log4j2 programmatically using ConfigurationFactory

I'm trying to configure and set up Log4j2 only through using ConfigurationFactory and this reference. The code I'm using ... I do to fix 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 - Is it possible to read and write in file at the same time?

Here's the scenario: ThreadA is going to read from some socket, and write data to "MyFile.txt" ThreadB is going to ... way to do such a 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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555 views

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java - Rebuilding Maven indexes Stuck at 0%

I am trying to rebuild the Maven index in Eclipse, but it has been stuck at 0% for hours. I can't ... am using Windows 8.1 Enterprise Edition 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 pass an argument to a android junit test (Parameterized tests)

I am running my android junit tests using command line or eclipse depending if I am in dev mode or in device ... /> </application> </manifest> See Question&Answers more detail:os...

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

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450 views

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java - Eclipse scala.object cannot be resolved

I am trying to write Kafka producer and consumer code in Java using Eclipse. I am have downloaded the Kafka jar ... to fix that error. 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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425 views

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java - get unique regex matcher results (without using maps or lists)

Is there a way to get only the unique matches? without using a list or a map after the matching, I ... the following: [userName] [inputString] 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 - Serialization of key/value pairs in Jackson?

I have a class class Foo { String key; String value; } and want to serialize this into "<content of key>" ... it does not create enough quotes. See Question&Answers more detail:os...

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

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353 views

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java - Intermittent Connection Reset by Peer errors in Android connecting to .NET REST endpoint

I'm getting intermittent errors from devices connecting to my IIS REST service via SSL. My app works just ... devices connecting every minute. See Question&Answers more detail:os...

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

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278 views

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java - How to get a tables columns arraylist on Android?

I am after a code to get the available column names of a table in Android? I looked around and didn't find anything. See Question&Answers more detail:os...

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

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337 views

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java - Local alternative to JNLP file?

Try as I might, I can't get a JNLP file to run locally (via a double-click). It seems to be ... detect and download the appropriate JOGL jars? See Question&Answers more detail:os...

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

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259 views

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java - How to store an Http Response that may contain binary data?

As I described in a previous question, I have an assignment to write a proxy server. It partially works now, but I still have a ... ("Not Reading from the Cache!!!!"); //Get the r...

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 mechanism to distribute an app with its own JRE?

These fine folks are my users: http://www.youtube.com/watch?v=o4MwTvtyrUQ If you don't want to enjoy the ... my app folder. Is that allowed? See Question&Answers more detail:os...

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

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329 views

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java - How to deploy war files to tomcat manually?

I have a war at location "C:Documents and SettingsmyProj.war". The web project is also available at "C: ... which is not maven application. 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 transform an array using Jolt?

I am getting a null value for my transformed object when trying to convert something like this: { "employees": ... an array of employee objects? See Question&Answers more detail:os...

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

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357 views

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java - Using Personal SSL certificates with Webdriver (Selenium 2.0)

I am testing a website which requires personal SSL certificates in order to do certain things, such as sign-in. ... username); } Thanks, Beccy See Question&Answers more detail:os...

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

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276 views

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java - Reading POST data from html form sent to serversocket

i try to write simplest possible server app in Java, displaying html form with textarea input, which after submitting ... field (called 'we')? See Question&Answers more detail:os...

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

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290 views

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java - Verifying a signature with a public key

I have an external service which call me back after some defined event, and sign his request with its private key. ... is accepted by java api ? See Question&Answers more detail:os...

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

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305 views

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java - How do setCache() and CacheHint work together in JavaFX?

With regard to JavaFX, I have the following questions: Do I need to use setCache(true) on a Node for a ... I apply scaling and other transforms. See Question&Answers more detail:os...

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

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261 views

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java - String literals, interning and reflection

I'm trying to find a third solution to this question. I can't understand why this doesn't print false. public ... try, the output is true false See Question&Answers more detail:os...

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

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422 views

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java - Enhanced for loop performance worse than traditional indexed lookup?

I just came across this seemingly innocuous comment, benchmarking ArrayList vs a raw String array. It's ... difference should be negligible. See Question&Answers more detail:os...

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

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