Questions tagged as 'java'

Tagged questions
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Error listing data in DataTable

Good morning, I'm trying to make a simple listing of a table in a datafile of primefaces, but they are not listing anything. Follow the code so far. .xhtml: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3....
asked by 15.02.2018 / 12:50
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NullPointer Exception when inserting data into a key Estressira [closed]

I'm experiencing some problems with inserting data into my Customers table. Specifically with foreign keys fk_telefone_fisico and fk_telefone_juridico . When I register the user and it gives me a NullPointerException , but...
asked by 15.02.2018 / 13:18
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Problem when querying table by WebService

So, I'm creating a WebService in Java, after creating the class to connect to MySQL database and the class "UserData" to run the application I solved testing using soapUI, when I do the test it claims to me the error: / p> <faultstring>Th...
asked by 15.02.2018 / 20:37
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Problems Installing Java 7 on Ubuntu

Hello I'm trying to install Java 7 on Ubuntu. I used the following commands: ~$ sudo apt-add-repository ppa:webupd8team/java ~$ sudo apt-get update But at this point, it returns the following message: Err:15 http://ppa.launchpad.net/o...
asked by 15.02.2018 / 20:42
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Working with proximity sensor

I'm working with the proximity sensor to record a sound, when I step the finger on the sensor it starts to record, but the problem is knowing how to do when removing the finger stops recording and moves to another activity. I can play the sound)...
asked by 12.02.2018 / 17:00
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Openshift deploy error

I'm having trouble deploying in OpenShift. First of all, I know how to deploy, already looked at the documentation and videos explaining. The error is that after I deploy I do not have access to any web page of my project. I tried using the Tomc...
asked by 13.02.2018 / 01:14
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Capture text from Sms when sending it

In the code snippet below I capture the message and the phone that is received by sms on the cell phone and compare the message with a string already saved and in the same case I execute an action responding to the phone number, all using Broadc...
asked by 12.02.2018 / 17:37
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FetchType.EAGER: pagination with repeated data

I'm developing a Java system and came across a problem. There is a page called Calendar Triad that there is a list of enums, since the user could choose more than one answer option in which I will show the type of relationship I made so I could...
asked by 12.02.2018 / 21:17
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How can I block access to application pages with session filtering?

Session Filtering Code @WebFilter(urlPatterns = { "/*" }) public class FiltroSessaoUsuario implements Filter { public void init(FilterConfig fConfig) throws ServletException { } public void doFilter(ServletRequest request, ServletResponse r...
asked by 17.02.2018 / 15:22
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FBSqlException in INSERT method with Returning

I'm trying to do an INSERT on my bank (FireBird) with Returning to return the registered ID, however, when it arrives at the stmt.executeUpdate() line I get the FBSqlException exception. Insert method: Note 1: I'm using netbeans....
asked by 06.02.2018 / 12:31