We have an app which seems to have connection leaks (SQL Server says that the max pool size has been reached). I am alone on my dev machine (obviously), and just by navigating the app, I trigger th...

I'm using version: 2.1.6.RELEASE form Spring Boot in my pom.xml-dependencies. To connect to my database I put following in application.properties: spring.datasource.url= jdbc:postgresql:// spring....

I have application, deployed in wildfly. And sometimes in application occurs db connection leaks. I really cannot find them in debugger. But they are shown in WildFly Management Console in datasour...

We are using openJDK11.0.6 java.net.http HTTP (HTTP1.1) client to fetch content from websites. After a long execution time, we noticed a performance decrease. CPU is 100% used even when the app doe...

We are using JDK11 java.net.http HTTP client to get data from an API. After we receive the response the connections remain opened in our server with TCP state CLOSE_WAIT, which means the client mus...

I am trying to dump leaked connections managed by a MySQL Data Source in WildFly 10.1, but I am not able to find the leak file or the leak dump. Why is the leaks.txt file not being generated? And ...

Is there any way to check the connection leakage in a Java EE application? The application is running on my local machine. It uses a MySQL database and a user enters his details into this database...

In my web-application, i make extensive use of a database. I have an abstract servlet, from which all the servlets that need a database connection, inherit. That abstract servlet creates a databa...

I am encountering an serious issue with my application. It leaks database connections whereas I use the default Spring Roo datasource configuration as follows: <bean class="org.apache.commons.d...

Using Java 7u5, with the try-with-resources construct, the following code appears to leak jdbc connections: try (Connection connection = ..; PreparedStatement stmt = ..) { stmt.setString(..); re...

I'm using Glassfish v2.1.1, MySQL 5.1 and ActiveMQ 5.4.2 incl. its resource adapter. If the ActiveMQ resource adapter throws an exception when participating in a XATransaction including both a data...

I'm currently doing some GUI testing on a ASP.net 2.0 application. The RDBMS is SQL Server 2005. The host is Win Server 2003 / IIS 6.0. I do not have the source code of the application because it...

Tomcat is running a webapp under Windows. After a few days (under very low load), the exception mentioned in the title starts to appear in the logs, no new connections can be established from that ...