Questions tagged as 'java'

Tagged questions
2
answers

Path to image in JSP

I need to display an image inside the img tag. It's a web project, running on Tomcat and Ubuntu Mate. I save in bank as String the path of where the image is: "/opt/imagens/img.png" To display, I put it this way <img src="<...
asked by 13.12.2017 / 16:19
0
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Unable to calculate MD5 hash in file upload using AWS Sdk in java

Galera, I already researched in several forums and no solution solved my problem. When I upload file to S3 using the Amazon API. The following exception is thrown. com.amazonaws.SdkClientException: Unable to calculate MD5 hash: teste.txt (O si...
asked by 13.12.2017 / 13:50
0
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Change JPA / JPQL record [closed]

I'm doing my first WEB project and I have a question about using JPA / JPQL / MERGE. The question is: I need to change a record of a table, I've created a dataTable that returns me a list of Open Tickets. This table is populated by my V...
asked by 14.12.2017 / 02:55
0
answers

Is there an entity's way of belonging to a user in hibernate

I'm looking for a simplified way of linking a bank entity to a specific user, who has registered, so that you do not need to set the field at the time of registration. Is there any simplified way to do this? The biggest problem of putting a f...
asked by 13.12.2017 / 23:31
0
answers

Error executing project in android studio

When running my project the following error appeared: Error:com.android.builder.dexing.DexArchiveBuilderException: Failed to process C:\Users516125940\Documents\Estudo-Android\WhatsAppClone\app\build\intermediates\transforms\instantRunSl...
asked by 11.12.2017 / 21:11
0
answers

Threads and interrupt ();

I would like to know how to pause my Thread efficiently and correctly with the Interrupt () method; I am with a part of my class that I started, but I would like to pause it. My project consists of a websocket , which I would like to st...
asked by 02.02.2018 / 19:50
1
answer

Select in two tables. How to return a single list?

I have a Process table, with basic data and other ProcessesDestaque, with more specific data. I need to make a select that calls some columns of the basic data and some of the specific data. I tried to make a list, but I can only call the data f...
asked by 04.02.2018 / 01:44
1
answer

App Ionic framework Integrated with Java Web System JSF

Well, I need some guidance from some experienced developer, where the need is: I have an application created in Java Web with JSF in production. I need to develop a Hybrid App with Ionic framework (multplataforma), to receive notification and ge...
asked by 09.12.2017 / 15:21
0
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Interface Lock in NetBeans

I am developing a program for client-server communication. I'm developing the graphical interface of the program based on JPanel / Forms . The client data is sent correctly to the server. My problem is when I go to fetch the data...
asked by 09.12.2017 / 13:01
0
answers

configuration methods do not work in Maven project with Spring-boot

I have the 3 classes that transcribed the code. the run method in boot starta my application. the other two classes are in the package containing the settings. I am using spring boot and I have a pom file with several dependencies, basic boot st...
asked by 09.12.2017 / 14:34