Questions tagged as 'java'

Tagged questions
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Pdf does not show image in win genexus application (java)

I have a Win application developed in Genexus X Ev2 U2 generating in java and I have a report in PDF in which I have to include an image in PrintBlock inside of the proc object, the problem is that it is not showing me the image. T...
asked by 25.04.2016 / 15:26
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capture any event in an activitty [closed]

I would like to know how I can capture an event (either a click or tap on the screen something that generates an action) anywhere in a Activity . This in order to verify first if something is activated to let the action continue or stop it...
asked by 25.04.2016 / 15:31
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how can I solve a nullpointerexception java? [duplicate]

I'm having a problem with a java code. I use a .jar that I import into the class I want to program but the problem is that I get an error with a data type incompatibility when executing the code it throws an error of:    null pointer exce...
asked by 08.05.2016 / 04:30
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How to send from a servlet with gson to run a field with the typehead.js library?

When I place json locally, the autocomplete works. I'm using the tagsinput boopstrap library. /*var equipos = new Bloodhound({ datumTokenizer: Bloodhound.tokenizers.obj.whitespace('text'), queryTokenizer: Bloodhound.tokenizers....
asked by 09.05.2016 / 08:46
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How to access a series of elements (gridpane type in my case) stored in an ObservableList

I have 5 GridPane that I need to make visible / invisible depending on certain circumstances. I have tried to store them in an ObservableList but when trying to access them to apply the method .setVisible gives error, since when accessing the in...
asked by 08.05.2016 / 23:08
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MySQLSyntaxErrorException: COLLATION 'utf8_bin' is not valid for CHARACTER SET 'latin1'

I am developing a login system with connection to a database of a client, but at the time of confirming the user and password send this error: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: COLLATION 'utf8_bin' is not valid for CHA...
asked by 17.06.2016 / 21:17
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Problem Logout Spring Security

I have a problem doing "Logout" in my application, every time the user logout, redirect him to ask for his credentials again, but if the user refreshes the window (< kbd> F5 ) re-login, what I'm looking for is the way to kill the session every...
asked by 11.02.2016 / 15:36
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Apply changes after android restart [closed]

You see, I'm doing an Xposed module and I would like to know what is the way for the changes to be applied after the tlf is restarted. For example if my module changes the color of the notification bar, I want that after the user chooses the...
asked by 01.03.2016 / 00:30
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How to share or send objects from one war to another war using JSP and Wildfly 10?

I currently have a User object which I believe in War1 and I want that when I call War2 I can get that same object in War2. The applications must be in different EARs for this reason I can not pass the object per session. How else can I pass...
asked by 16.06.2016 / 05:37
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java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 JSF

I have this xhtml code: <div class="row"> <div class="col-lg-5 col-md-5 col-sm-12 col-xs-12"> <div class="input-group"> <h:inputText p:placeholder="Nro Documento" class="form-control" value="#{BeanP...
asked by 15.06.2016 / 16:01