Questions tagged as 'datasource'

I'm trying to set a DataSource with PostgreSQL , but it's throwing this Exception 23:36:46,381 ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 2) WFLYCTL0013: Operation ("deploy") failed -...

I have a java application running in wildFly 8 and using Sql Server, the problem I'm having at the moment is that the application comes back to me saying that it was not possible to open the connection, I checked the code and all the features wh...

I'm trying to insert a second base in persistence.xml. I have already configured the datasource in jboss and tested it. When inserting a second persistence-unit in xml and attempting to raise jboss the error below occurs. I tried to set the @Pe...

Failed to generate code. Object reference not set to an instance of an object. Erro no DataSet.xsd. I'm having problems changing my dataset.xsd , I can not add fields or make a new dataset/datasource . <?xml version="1.0" en...

I am finalizing a project that uses a REST server in Java, and is implemented in Tomcat, and I encounter a problem, the time it takes the service to implement a new connection (3000ms to 5000ms) of the bank, leading to a slow application. I s...