1. How to force a Java thread to close a thread-local database connection stackoverflow.comWhen Using a thread-local database connection, closure of the connection is required when the thread exists. This I can only do if I can override the run() method of the calling thread. ... |
2. limit of connections with database and number of java threads in an application stackoverflow.comI am working to develop a JMS application(stand alone multithreaded java application) which can receive 100 messages at a time , they need to be processed and database procedures need to ... |
3. connecting to different databases coderanch.com |
4. Interrupting a thread executing (JDBC) Connection.executeQuery()? coderanch.comHi all, I'm wondering whether it is possible to interrupt a thread that is in the middle of executing a database query using java.sql.Connection#executeQuery()...? What I'm trying to do is to have a timeout for the query - if the specified time limit is reached, the query processing is interrupted and some kind of "you interrupted" page is shown to the ... |
5. Threads and Waiting for DB connection coderanch.comI have a problem with one of my apps, when I attempt to get a DB connection or execute a query sometimes a table is locked, or the resource is unavailable. When this happens the application grinds down to a crawl because the requests are queing up, I have an alternate data source that i can access when my primary resource ... |
6. How to yield when connecting DB... coderanch.comThe JVM is pretty much allowed to pause execution of one thread between any two bytecode instructions and go execute another thread for a while. So if you have a thread that sits on one instruction - say waiting for the database to respond to a connect or select - the JVM is likely to get bored waiting and go run ... |
7. ThreadLocal and DB connection... coderanch.comA thread local object is simply a storage object that has a setter and a getter. When you call the setter with an object, it will return it back when you call the getter later. The feature that makes it "thread local" is that each thread is treated in isolation. Two different threads can call the setter, and each will get ... |
8. Making a database connection inside a thread coderanch.comWow, thanks Henry for replying. This is too funny because I was thinking I need to understand this better so I went out on my lunch break and bought your book "Java Threads"! It has already helped me on one thing and I was wondering if I could confirm this with you ? I was reading more about the Timer class ... |
9. Is each Connection a Thread? coderanch.com |
11. database connections in threaded app coderanch.comHi All, I have an app which starts 5 separate Threads. Each thread uses a singleton class I have which will get a database connection. The singleton class will create an instance of : org.apache.commons.dbcp.PoolingDataSource dataSource when it is constructed. The constructor looks like this. [CODE public static DBConnect getInstance() { if (_self == null) { // _self = new CounterBean(ctx); ... |
12. Thread hangs when connecting to database coderanch.comHello, I have an issue with threads locked while waiting for a response from a database server running MySQL. I have an application using Proxool managing a connection pool to a MySQL database. The application and the database are on separate servers. With a random frequency thread hangs waiting for a response from the database server. This causes other threads to ... |
13. Thread.interrupt kills database connection coderanch.comHi All, I have thread, in the run method of the thread i have a while loop which continuously runs to query the database to get new records from the table but when i am interrupting the thread using thread.interrupt() it is killing my database connection any ideas please help thanks in advance |
14. JDBC Connection Thread Safty dbforums.comHi everybody, I'm implementing a persistent framework with jdbc support, and once I'd decided to separate transaction enabled processing and query-only processing jobs, to improvement performence. And I intend to let all the query workers share as less connections as possible, in fact I'm planning to use only one connection for all query workers in the very beginning version of the ... |
15. Need help on multi threading in JDBC connections forums.oracle.comThis is the sample program I have written... I think I have to use some concurrency concepts.. Please give me any code samples which consists of some multi threaded concurrency concepts... I have used c3P0 with hibernate.. can I use C3P0 with out hibdernate? I will evaluate C3P0... Please help me to create 6000 threads which can access the database parallel.6000 ... |