Questions tagged as 'java-ee'

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ERROR: missing FROM -clause entry for table "tX" when using LEFT join - Eclipselink and PostgreSQL

I'm getting ERROR: missing FROM-clause entry for table "t3" when trying to use the following JPQL: SELECT primeira FROM PrimeiraClasse primeira LEFT JOIN primeira.segunda.terceira.quarta quarta ON (quarta.quinta = primeira.quinta) ORDE...
asked by 08.10.2018 / 20:43
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InputText dento fe OverlayPanel with Null value

I have a datatable with a button column that says "Edit" when clicking, it opens an OverlayPanel with InputText, in this input I type and I click save, however the value when arriving in the method arrives as Null. XHTML Page <!DOCTYPE ht...
asked by 07.10.2018 / 23:23
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Error when using maven-ear-plugin - Does not match the war on the ear

I'm adding the maven-ear-plugin plugin to customize the context, but when deploying, Jboss does not find the war inside the ear. I've got this setting: link But it does not run with the addition of the plugin. I'm using Jboss 7.0 EAP...
asked by 30.09.2018 / 01:02
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Error: The constructor VelocityTemplate (InputStream) is undefined

import java.io.Serializable; import java.util.Locale; import javax.enterprise.context.RequestScoped; import javax.inject.Inject; import javax.inject.Named; import org.apache.velocity.tools.generic.NumberTool; import com.outjected.email.impl.te...
asked by 30.09.2018 / 17:59
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How to count how many occurrences of an attribute in a list are equal to a value? JSF

I need to count how many statuses are equal to '1'. I used this to count how many objects I had on the list and it worked. Now I can not count only those with status equal to 1. <h:outputText value="#{fn:length(cur.listaProdutosManutencao)}...
asked by 12.09.2018 / 16:35
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JSF web.xml error

I have a problem on the first line of my web.xml , on web-app . Below is the body of xml. <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://...
asked by 07.09.2018 / 04:26
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TOMCAT - HTTP Status 404 - Not Found

I know there are already other questions about this but their solution did not help at all, so I would like you to help me with my problem here. This is a project that uses Maven (normal) and Tomcat for server. What happens is that when I do...
asked by 22.08.2018 / 20:04
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Server does not start, triggering c3p0 pool error ... com.mchange.v2.c3p0.ComboPooledDataSource

When I give Start to Tomcat it locks in c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource and then triggers the error quoted below. The configuration class follows: @Configuration @EnableTransactionManagement @Enab...
asked by 21.08.2018 / 18:25
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How can I update a jframe after a given time [duplicate]

I'm trying to update a jlabel for a certain time because this same label will vary according to the database I tried to use thread, I studied about this same but I do not know if this would be the solution, I'm a bit confused about this class...
asked by 18.08.2018 / 13:30
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Hot Deploy JSP on JBOSS

With the end of jrebel's free license, it's complicated to work with javaEE, I have tried to use alternatives like VCEVM, but for a project technology limitation it does not work. Changing methods I've already achieved with the intellij hot-swap...
asked by 25.07.2018 / 17:23