transactional replication - Page 38

Apache mod_wsgi elegant clustering method

- by Dr I

I'm currently trying to build a scalable infrastructure for my Python webservers. Actually, I'm trying to find the most elegant way to build a scalable cluster to host all my Python WebServices. For now, I'm using three servers like this: 1 x PuppetMaster to deploy my servers. 2 x Apache Reverse Proxy Front-end servers. 1 x Apache HTTPd Server which host the Python WSGI Applications and binded to using mod_wsgi. 4 x MongoDB Clustered server. Everything is OK concerning the Reverse proxy and the DB Backend, I'm able to easily add a new Reverse Proxy and a new DB Node, but my problem is about the Python WebServer. I thinked to just provision a new node with exactly the same configuration and a rsync replication between the two nodes, but It's not really usefull in term of deployement for my developpers etc. So if you have a solution which is as efficient and elegant that the Tomcat Cluster I'll be really happy to ear it ;-)

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MySQL - complete server migration (Ubuntu) [closed]

- by Mr A

Possible Duplicate: How to copy and move mysql database Dump all databases with SSH access I'm setting up a new dev machine, and I have the old one sitting right next to me. I'd like to do an exact copy of all MySQL structures and data from the old machine to the new. Nothing fancy needs to happen (it's a dev machine). No replication. I don't care about "downtimes" etc. Is there a super simple way to do this? For example, I have SSH on the old server, can I just use Nautilus, do a connect to server, and then transfer a folder over, replacing another folder with it and be done? It's the same version of MySQL on both sides. Same version of Ubuntu. Same in most respects.

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Dynamically changing one-node Cassandra cluster to two nodes

- by Jason Axelson

So I have an application that will be very dormant most of the time but will need high-bursting a few days out of the month. Since we are deploying on EC2 I would like to keep only one Cassandra server up most of the time and then on burst days I want to bring one more server up (with more RAM and CPU than the first) to help serve the load. What is the best way to do this? Should I take a different approach? Some notes about what I plan to do: Bring the node up and repair it immediately After the burst time is over decommission the powerful node Use the always-on server as the seed node My main question is how to get the nodes to share all the data since I want a replication factor of 2 (so both nodes have all the data) but that won't work while there is only one server. Should I bring up 2 extra servers instead of just one?

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Transaction log is full and does not free up space

- by titanium

Hi, I have a database in SQL Server 2005 whose transaction log becomes full. It is using snapshot replication. I noticed the transaction log is not freeing up space. So I created an additional transaction log. Three days has passed and this first transaction log is still full. I performed a full database backup and transaction backup. Then I tried to shrink the transaction log but the shrink failed. Can anyone advise why shrinking transaction log is failing? ANy other recommendation on how to resolve the problem?

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MySql transfer / update (a bit specific)

- by Jeff

before posting I was digging whole site but didn't find help for my problem, so I hope someone will help... Facts: 30 Gb mysql database on remote server (about 20.000.000 rows) data are once weekly updated in local network (mysql) I need to transfer/replace local updated database with remote connection is about 2mb (real mb, not mbps) up/down Point is that I can't have 'down time' of remote mysql server. Until now I Tried: navicat data sync - Ok, but take about 3 days to finish dbForge - ok but need 5 days to finish mysql dump transfer to remote server and execution - about day, but a lot of downtime rsync folder with database /mysql/lib/MY_DATABASE - 4 hours, but after that I need to execute always 'repir on remote server' which takes about 2 hours, and a lot of down time mysql dump piped from cl to directly goto server - still now satisfied many problems I could give you more things that I tried... mysql replication - slow Anyase, what is best,best way to: refresh remote mysql on weekly level and in same time to have 0 sec down time nor huge server load If you have any idea please share

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Amazon EC2 as load balanced/failover solution

- by sugiggs

Hi All, I'm thinking of an idea but not sure the pros/cons of it. At the moment, we are hosting our website on a dedicated server. As a failover/load balanced solution, I'm thinking to use Amazon EC2+EBS. The files can be rsync and mysql can be setup as master-master replication When the load is high, I can up the machine, given sometime to "sync" and load balanced the traffic there. is it do-able? any link I can read more on this?

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Windows 2012 Master & Ubuntu Bind 9 Slave & SOA

- by RecentCoin

I'm kinda like the maid... I don't do Windows. But thanks to new things we're implementing, I'm now attempting replicating a single zone from our AD cluster. We had this working just fine but someone had to "adjust" it. That broke the replication completely. We've gotten that restarted but now a different DC is showing as the SOA. Does it matter which of the domain controllers is listed as the SOA? The contents of the zone file appear to be correct. Part of me says "Good enough. Leave it be." but the rest of me doesn't want a 3AM phone call. So does anyone know if it matters which DC is listed as the SOA?

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Is it possible to extend the Active Directory schema in a Windows 2003 DC (NOT R2) to support DFSR?

- by JohannesH

We're in the process of installing a brand new Windows Server 2008 Web cluster and we would like to synchronize some files between the servers. The problem is that the DC in the domain is an old Windows Server 2003 Standard (NOT R2) which apparently doesn't contain some extension to the AD schema. Is it possible to upgrade the schema without upgrading the DC servers to R2? When I try to create a Replication Group on the 2008 Server I get the following message: --------------------------- Error --------------------------- srv.XXXXXX.XX: The Active Directory Domain Services schema on domain controller activedc07.srv.XXXXXX.XX cannot be read. This error might be caused by a schema that has not been extended, or was extended improperly. See Help and Support Center for information about extending the Active Directory Domain Services schema. Schema version 30 is not supported. --------------------------- OK ---------------------------

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Is it possible to extend the ad schema in a Win2003 DC Server (NOT R2) to support DFSR?

- by JohannesH

we're in the process of installing a brand new Windows Server 2008 Web cluster and we would like to synchronize some files between the servers. The problem is that the DC in the domain is an old Windows Server 2003 Standard (NOT R2) which apparently doesn't contain some extension to the AD schema. Is it possible to upgrade the schema without upgrading the DC servers to R2? When I try to create a Replication Group on the 2008 Server I get the following message: --------------------------- Error --------------------------- srv.XXXXXX.XX: The Active Directory Domain Services schema on domain controller activedc07.srv.XXXXXX.XX cannot be read. This error might be caused by a schema that has not been extended, or was extended improperly. See Help and Support Center for information about extending the Active Directory Domain Services schema. Schema version 30 is not supported. --------------------------- OK ---------------------------

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MySQL Connect: What to Expect From the Wondrous Land of MySQL Cluster

- by Mat Keep

The MySQL Connect conference is only a couple of weeks away, with MySQL engineers, support teams, consultants and community aces busy putting the final touches to their talks. There will be many exciting new announcements and sharing of best practices at the conference, covering the range of MySQL technologies. MySQL Cluster will a big part of this, so I wanted to share some key sessions for those of you who plan on attending, as well as some resources for those who are not lucky enough to be able to make the trip, but who can't afford to miss the key news. Of course, this is no substitute to actually being there….and the good news is that registration is still open ;-) Roadmap: Whats New in MySQL Cluster Saturday 29th, 1300-1400, in Golden Gate room 5. Bernd Ocklin, director of MySQL Cluster development, and myself will be taking a look at what follows the latest MySQL Cluster 7.2 release. I don't want to give to much away - lets just say its not often you can add powerful new functionality to a product while at the same time making life radically simpler for its users. For those not making it to the Conference, a live webinar repeating the talk is scheduled for Thursday 25th October at 09.00 pacific time. Hold the date, registration will be open for that soon and published to our MySQL Webinars page Best Practices Getting Started with MySQL Cluster, Hands-On Lab Saturday 29th, 1600-1700, in Plaza Room A. Santo Leto, one of our lead MySQL Cluster support engineers, regularly works with users new to MySQL Cluster, assisting them in installation, configuration, scaling, etc. In this lab, Santo will share best-practices in getting started. Delivering Breakthrough Performance with MySQL Cluster Saturday 29th, 1730-1830, in Golden Gate room 5. Frazer Clement, lead MySQL Cluster software engineer, will demonstrate how to translate the awesome Cluster benchmarks (remember 1 BILLION UPDATEs per minute ?!) into real-world performance. You can also get some best practices from our new MySQL Cluster performance guide MySQL Cluster BoF Saturday 29th, 1900-2000, room Golden Gate 5. Come and get a demonstration of new tools for the installation and configuration of MySQL Cluster, and spend time with the engineering team discussing any questions or issues you may have. Developing High-Throughput Services with NoSQL APIs to InnoDB and MySQL Cluster Sunday 30th, 1145 - 1245, in Golden Gate room 7. In this session, JD Duncan and Andrew Morgan will present how to get started with both Memcached and new NoSQL APIs. JD and I recently ran a webinar demonstrating how to build simple Twitter-like services with Memcached and MySQL Cluster. The replay is available for download. Case Studies: MySQL Cluster @ El Chavo, Latin America’s #1 Facebook Game Sunday 30th, 1745 - 1845, in Golden Gate room 4. Playful Play deployed MySQL Cluster CGE to power their market leading social game. This session will discuss the challenges they faced, why they selected MySQL Cluster and their experiences to date. You can read more about Playful Play and MySQL Cluster here A Journey into NoSQLand: MySQL’s NoSQL Implementation Sunday 30th, 1345 - 1445, in Golden Gate room 4. Lig Turmelle, web DBA at Kaplan Professional and esteemed Oracle Ace, will discuss her experiences working with the NoSQL interfaces for both MySQL Cluster and InnoDB Evaluating MySQL HA Alternatives Saturday 29th, 1430-1530, room Golden Gate 5 Henrik Ingo, former member of the MySQL sales engineering team, will provide an overview of various HA technologies for MySQL, starting with replication, progressing to InnoDB, Galera and MySQL Cluster What about the other stuff? Of course MySQL Connect has much, much more than MySQL Cluster. There will be lots on replication (which I'll blog about soon), MySQL 5.6, InnoDB, cloud, etc, etc. Take a look at the full Content Catalog to see more. If you are attending, I hope to see you at one of the Cluster sessions...and remember, registration is still open

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SQLAuthority News – Downloads Available for Microsoft SQL Server Compact 3.5

- by pinaldave

There are few downloads released for Microsoft SQL Server Compact 3.5. Here is quick lists of the same. Microsoft SQL Server Compact 3.5 Service Pack 2 for Windows Desktop SQL Server Compact 3.5 SP2 is an embedded database that allows developers to build robust applications for Windows desktops and mobile devices. The download contains the files for installing SQL Server Compact 3.5 SP2 and Synchronization Services for ADO.NET version 1.0 SP1 on Windows desktop. Microsoft SQL Server Compact 3.5 Service Pack 2 Server Tools SQL Server Compact 3.5 SP2 Server Tools Windows Installer (MSI) file installs replication components on the computer running the Internet Information Services (IIS) for synchronizing data with SQL Server 2005, SQL Server 2008 and SQL Server 2008 R2 November CTP. Microsoft SQL Server Compact 3.5 Service Pack 2 Books Online SQL Server Compact 3.5 is a small footprint in-process database engine that allows developers to build robust applications for Windows Desktops and Mobile Devices. This download contains the Books Online for the SP2 version of SQL Server Compact 3.5. Note: The brief description below the download link is taken from respective download page. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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How do I get spring to inject my EntityManager?

- by Trampas Kirk

I'm following the guide here, but when the DAO executes, the EntityManager is null. I've tried a number of fixes I found in the comments on the guide, on various forums, and here (including this), to no avail. No matter what I seem to do the EntityManager remains null. Here are the relevant files, with packages etc changed to protect the innocent. spring-context.xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd" xmlns:p="http://www.springframework.org/schema/p"> <context:component-scan base-package="com.group.server"/> <context:annotation-config/> <tx:annotation-driven/> <bean id="propertyPlaceholderConfigurer" class="com.group.DecryptingPropertyPlaceholderConfigurer" p:systemPropertiesModeName="SYSTEM_PROPERTIES_MODE_OVERRIDE"> <property name="locations"> <list> <value>classpath*:spring-*.properties</value> <value>classpath*:${application.environment}.properties</value> </list> </property> </bean> <bean id="orderDao" class="com.package.service.OrderDaoImpl"/> <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/> <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <property name="persistenceUnitName" value="MyServer"/> <property name="loadTimeWeaver"> <bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver"/> </property> <property name="dataSource" ref="dataSource"/> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <property name="showSql" value="${com.group.server.vendoradapter.showsql}"/> <property name="generateDdl" value="${com.group.server.vendoradapter.generateDdl}"/> <property name="database" value="${com.group.server.vendoradapter.database}"/> </bean> </property> </bean> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory"/> <property name="dataSource" ref="dataSource"/> </bean> <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="${com.group.server.datasource.driverClassName}"/> <property name="url" value="${com.group.server.datasource.url}"/> <property name="username" value="${com.group.server.datasource.username}"/> <property name="password" value="${com.group.server.datasource.password}"/> </bean> <bean id="executorService" class="java.util.concurrent.Executors" factory-method="newCachedThreadPool"/> </beans> persistence.xml <persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0"> <persistence-unit name="MyServer" transaction-type="RESOURCE_LOCAL"/> </persistence> OrderDaoImpl package com.group.service; import com.group.model.Order; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.Query; import java.util.List; @Repository @Transactional public class OrderDaoImpl implements OrderDao { private EntityManager entityManager; @PersistenceContext public void setEntityManager(EntityManager entityManager) { this.entityManager = entityManager; } @Override public Order find(Integer id) { Order order = entityManager.find(Order.class, id); return order; } @Override public List<Order> findAll() { Query query = entityManager.createQuery("select o from Order o"); return query.getResultList(); } @Override public List<Order> findBySymbol(String symbol) { Query query = entityManager.createQuery("select o from Order o where o.symbol = :symbol"); return query.setParameter("symbol", symbol).getResultList(); } }

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How many different servers are needed to keep a website running with no downtime? [closed]

- by Mason Wheeler

Machines go down. It's a fact of life. They may need to be rebooted for some reason, or they may have a hardware failure, or a power outage. So if I wanted to deploy a website with a server backed by a SQL database, putting the whole thing on one server wouldn't be good enough. It obviously needs at least two servers, so that if one goes down, the other can pick up the slack until the first comes back up. Of course, if I have the server software on two machines, either one of which could go down, I can't place the database on either of those two machines, because it could go down. So the database needs its own server. But that server can go down, so I need a backup database server and some sort of replication system to keep it in sync so the main can fail-over to it. So far, that's a bare minimum of 4 machines to keep one website running with a reasonable chance of no downtime. (Assuming no catastrophic events take place that take down both front-end servers at once or both DB servers at once, and no hacks, DDOS attacks, etc. Am I missing any other factors, or should I consider 4 servers to be the minimum for running a website with a goal of continuing operation without downtime even when a server goes down?

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SQL Contest – Win 10 Amazon Gift Cards worth (USD 200) and 10 NuoDB T-Shirts

- by Pinal Dave

This month, we have yet not run any contest so we will be running a very interesting contest with the help of good guys at NuoDB. NuoDB has just released version 2.0 and You can download NuoDB from here. NuoDB’s NewSQL distributed database is designed to be a single database that works across multiple servers, which can scale easily, and scale on demand. That’s one system that gives high connectivity but no latency, complexity or maintenance issues. MySQL works in some circumstances, but a period of growth isn’t one of them. So as a company moves forward, the MySQL database can’t keep pace. Data storage and data replication errors creep in. Soon the diaspora of the offices becomes a problem. Your telephone system isn’t just distributed, it is literally all over the place. You can read my detailed article about how Why VoIP Service Providers Should Think About NuoDB’s Geo Distribution. Here is the contest: Contest Part 1: NuoDB R2.0 delivered a long list of improvements and new features. List three of the major features of NuoDB 2.0. Here is the hint1, hint2, hint3. Contest Part 2: Download NuoDB using this link. Once you download NuoDB, leave a comment over here with the name of the platform and installer size. (For example Windows Platform Size abc.dd MB) Here is the what you can win! Giveaways 10 Amazon Gift Card (Each of USD 20 – total USD 200) 10 Amazingly looking NuoDB T-Shirts (For the first 10 downloads) Rules Participate before Oct 28, 2013. All the valid answers will be published after Oct 28, 2013 and winners will receive an email on Nov 1st, 2013. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL Tagged: NuoDB

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sqlite - any improvements for this attach code (running multiple sql commands transactionally in sql

- by Greg

Hi, Is this code solid? I've tried to use "using" etc. Basically a method to pass as sequenced list of SQL commands to be run against a Sqlite database. I assume it is true that in sqlite by default all commands run in a single connection are handled transactionally? Is this true? i.e. I should not have to (and haven't got in the code at the moment) a BeginTransaction, or CommitTransaction. It's using http://sqlite.phxsoftware.com/ as the sqlite ADO.net database provider. private int ExecuteNonQueryTransactionally(List<string> sqlList) { int totalRowsUpdated = 0; using (var conn = new SQLiteConnection(_connectionString)) { // Open connection (one connection so should be transactional - confirm) conn.Open(); // Apply each SQL statement passed in to sqlList foreach (string s in sqlList) { using (var cmd = new SQLiteCommand(conn)) { cmd.CommandText = s; totalRowsUpdated = totalRowsUpdated + cmd.ExecuteNonQuery(); } } } return totalRowsUpdated; }

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Add a Graphical User Interface (GUI) to the Microsoft Robocopy Command Line Tool

- by Lori Kaufman

Robocopy, or “Robust File Copy,” is a command line directory replication tool from Microsoft. It is available as part of Windows 7 and Vista as a standard feature, and was available as part of the Windows Server 2003 Resource Kit. NOTE: For Windows XP, you can obtain Robocopy by downloading the resource kit. Robocopy allows you to setup simple or advanced backup strategies. It provides such features as multi-threaded copying, mirroring or synchronization mode, automatic retry, and the ability to resume the copying process. If you are comfortable with using command line tools, you can run Robocopy directly on the command line using the command syntax and options. You can also download the command line reference and usage notes for Robocopy as a PDF file. If you are more comfortable using a graphical user interface, or GUI, rather than the command line, there are a couple of options for adding a GUI to the Robocopy command line tool, making it easier to use. Both tools, RoboMirror and RichCopy, are discussed below and links to download each tool are provided. How to Factory Reset Your Android Phone or Tablet When It Won’t Boot Our Geek Trivia App for Windows 8 is Now Available Everywhere How To Boot Your Android Phone or Tablet Into Safe Mode

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How to Setup an Active Directory Domain-Week 26

- by OWScott

Today's lesson covers how to create an Active Directory domain and join a member server to it. This week's topic takes a slightly different turn from the normally IIS related topics, but this is key video to help setup either a test or production environment that requires Active Directory. Part of being a web administrator is understanding the servers and how they interact with each other. This week’s lesson takes a different path than usual and covers how to create an Active Directory domain and how to join a member computer to that domain. In less than 13 minutes we complete the entire process, end to end. An understanding of Active Directory is useful, whether it’s simply to setup a test lab, or to learn more so that you can manage a production domain environment. This week starts a mini-series on web farms. Today’s lesson is on setting up a domain which is a necessary prerequisite for next week which will be on Distributed File System Replication (DFS-R), a useful technology for web farms. Upcoming lessons will cover shared configuration, Application Request Routing (ARR), and more. Additionally, this video introduces us to Vaasnet (www.vaasnet.com), a service that allows the web pro to gain immediate access to an entire lab environment for situations such as these. This is week 26 (the middle week!) of a 52 week series for the Web Pro. Past and future videos can be found here: http://dotnetslackers.com/projects/LearnIIS7/ You can find this week’s video here.

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SQL SERVER – 2014 CTP1 Available for Download – SQL SERVER 2014 Community Technology Preview 1

- by Pinal Dave

Microsoft announced that SQL Server 2014 CTP 1 available to download at TechEd Europe. You can download SQL Server 2014 CTP1 from here. Additionally, there is in depth documentation of the product in the Product Guide over here. In this blog post I have in depth discussed what are the salient features which I was looking forward in the new version. Always On supports now 8 secondaries instead of 4 Online Indexing at partition level – this is a good thing as now index rebuilding can be done at a partition level Statistics at the partition level – this will be a huge improvement in performance In-Memory OLTP works by providing in-application memory storage for the most often used tables in SQL Server. Columnstore Index can be updated – I just can’t wait for this feature (Columnstore Index) Resource Governor can control IO along with CPU and Memory Increase performance by extending SQL Server in-memory buffer pool to SSDs Backup to Azure Storage You can read about the new features of the SQL Server 2014 in the following links: What’s New (Database Engine) What’s New in Analysis Services and Business Intelligence What’s New (Integration Services) What’s New (Replication) What’s New (Reporting Services) Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Service Pack, SQL Tips and Tricks, T SQL, Technology Tagged: CTP

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LobsterPot Solutions in the USA

- by Rob Farley

We’re expanding! I’m thrilled to announce that Microsoft Gold Partner LobsterPot Solutions has started another branch appointing the amazing Ted Krueger (5-time SQL MVP awardee) as the US lead. Ted is well-known in the SQL Server world, having written books on indexing, consulting and on being a DBA (not to mention contributing chapters to both MVP Deep Dives books). He is an expert on replication and high availability, and strong in the Business Intelligence space – vast experience which is both broad and deep. Ted is based in the south east corner of Wisconsin, just north of Chicago. He has been a consultant for eons and has helped many clients with their projects and problems, taking the role as both technical lead and consulting lead. He is also tireless in supporting and developing the SQL Server community, presenting at conferences across America, and helping people through his blog, Twitter and more. Despite all this – it’s neither his technical excellence with SQL Server nor his consulting skill that made me want him to lead LobsterPot’s US venture. I wanted Ted because of his values. In the time I’ve known Ted, I’ve found his integrity to be excellent, and found him to be morally beyond reproach. This is the biggest priority I have when finding people to represent the LobsterPot brand. I have no qualms in recommending Ted’s character or work ethic. It’s not just my thoughts on him – all my trusted friends that know Ted agree about this. So last week, LobsterPot Solutions LLC was formed in the United States, and in a couple of weeks, we will be open for business! LobsterPot Solutions can be contacted via email at [email protected], on the web at either www.lobsterpot.com.au or www.lobsterpotsolutions.com, and on Twitter as @lobsterpot_au and @lobsterpot_us. Ted Kruger blogs at LessThanDot, and can also be found on Twitter and LinkedIn. This post is cross-posted from http://lobsterpotsolutions.com/lobsterpot-solutions-in-the-usa

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Problem using Hibernate-Search

- by KCore

Hi, I am using hibernate search for my application. It is well configured and running perfectly till some time back, when it stopped working suddenly. The reason according to me being the number of my model (bean) classes. I have some 90 classes, which I add to my configuration, while building my Hibernate Configuration. When, I disable hibernate search (remove the search annotations and use Configuration instead of AnnotationsConfiguration), I try to start my application, it Works fine. But,the same app when I enable search, it just hangs up. I tried debugging and found the exact place where it hangs. After adding all the class to my AnnotationsConfiguration object, when I say cfg.buildSessionfactory(), It never comes out of that statement. (I have waited for hours!!!) Also when I decrease the number of my model classes (like say to half i.e. 50) it comes out of that statement and the application works fine.. Can Someone tell why is this happening?? My versions of hibernate are: hibernate-core-3.3.1.GA.jar hibernate-annotations-3.4.0.GA.jar hibernate-commons-annotations-3.1.0.GA.jar hibernate-search-3.1.0.GA.jar Also if need to avoid using AnnotationsConfiguration, I read that I need to configure the search event listeners explicitly.. can anyone list all the neccessary listeners and their respective classes? (I tried the standard ones given in Hibernate Search books, but they give me ClassNotFound exception and I have all the neccesarty libs in classpath) Here are the last few lines of hibernate trace I managed to pull : 16:09:32,814 INFO AnnotationConfiguration:369 - Hibernate Validator not found: ignoring 16:09:32,892 INFO ConnectionProviderFactory:95 - Initializing connection provider: org.hibernate.connection.C3P0ConnectionProvider 16:09:32,895 INFO C3P0ConnectionProvider:103 - C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost:3306/autolinkcrmcom_data 16:09:32,898 INFO C3P0ConnectionProvider:104 - Connection properties: {user=root, password=****} 16:09:32,900 INFO C3P0ConnectionProvider:107 - autocommit mode: false 16:09:33,694 INFO SettingsFactory:116 - RDBMS: MySQL, version: 5.1.37-1ubuntu5.1 16:09:33,696 INFO SettingsFactory:117 - JDBC driver: MySQL-AB JDBC Driver, version: mysql-connector-java-3.1.10 ( $Date: 2005/05/19 15:52:23 $, $Revision: 1.1.2.2 $ ) 16:09:33,701 INFO Dialect:175 - Using dialect: org.hibernate.dialect.MySQLDialect 16:09:33,707 INFO TransactionFactoryFactory:59 - Using default transaction strategy (direct JDBC transactions) 16:09:33,709 INFO TransactionManagerLookupFactory:80 - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended) 16:09:33,711 INFO SettingsFactory:170 - Automatic flush during beforeCompletion(): disabled 16:09:33,714 INFO SettingsFactory:174 - Automatic session close at end of transaction: disabled 16:09:32,814 INFO AnnotationConfiguration:369 - Hibernate Validator not found: ignoring 16:09:32,892 INFO ConnectionProviderFactory:95 - Initializing connection provider: org.hibernate.connection.C3P0ConnectionProvider 16:09:32,895 INFO C3P0ConnectionProvider:103 - C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost:3306/autolinkcrmcom_data 16:09:32,898 INFO C3P0ConnectionProvider:104 - Connection properties: {user=root, password=****} 16:09:32,900 INFO C3P0ConnectionProvider:107 - autocommit mode: false 16:09:33,694 INFO SettingsFactory:116 - RDBMS: MySQL, version: 5.1.37-1ubuntu5.1 16:09:33,696 INFO SettingsFactory:117 - JDBC driver: MySQL-AB JDBC Driver, version: mysql-connector-java-3.1.10 ( $Date: 2005/05/19 15:52:23 $, $Revision: 1.1.2.2 $ ) 16:09:33,701 INFO Dialect:175 - Using dialect: org.hibernate.dialect.MySQLDialect 16:09:33,707 INFO TransactionFactoryFactory:59 - Using default transaction strategy (direct JDBC transactions) 16:09:33,709 INFO TransactionManagerLookupFactory:80 - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended) 16:09:33,711 INFO SettingsFactory:170 - Automatic flush during beforeCompletion(): disabled 16:09:33,714 INFO SettingsFactory:174 - Automatic session close at end of transaction: disabled 16:09:33,716 INFO SettingsFactory:181 - JDBC batch size: 15 16:09:33,719 INFO SettingsFactory:184 - JDBC batch updates for versioned data: disabled 16:09:33,721 INFO SettingsFactory:189 - Scrollable result sets: enabled 16:09:33,723 DEBUG SettingsFactory:193 - Wrap result sets: disabled 16:09:33,725 INFO SettingsFactory:197 - JDBC3 getGeneratedKeys(): enabled 16:09:33,727 INFO SettingsFactory:205 - Connection release mode: auto 16:09:33,730 INFO SettingsFactory:229 - Maximum outer join fetch depth: 2 16:09:33,732 INFO SettingsFactory:232 - Default batch fetch size: 1000 16:09:33,735 INFO SettingsFactory:236 - Generate SQL with comments: disabled 16:09:33,737 INFO SettingsFactory:240 - Order SQL updates by primary key: disabled 16:09:33,740 INFO SettingsFactory:244 - Order SQL inserts for batching: disabled 16:09:33,742 INFO SettingsFactory:420 - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory 16:09:33,744 INFO ASTQueryTranslatorFactory:47 - Using ASTQueryTranslatorFactory 16:09:33,747 INFO SettingsFactory:252 - Query language substitutions: {} 16:09:33,750 INFO SettingsFactory:257 - JPA-QL strict compliance: disabled 16:09:33,752 INFO SettingsFactory:262 - Second-level cache: enabled 16:09:33,754 INFO SettingsFactory:266 - Query cache: disabled 16:09:33,757 INFO SettingsFactory:405 - Cache region factory : org.hibernate.cache.impl.bridge.RegionFactoryCacheProviderBridge 16:09:33,759 INFO RegionFactoryCacheProviderBridge:61 - Cache provider: net.sf.ehcache.hibernate.EhCacheProvider 16:09:33,762 INFO SettingsFactory:276 - Optimize cache for minimal puts: disabled 16:09:33,764 INFO SettingsFactory:285 - Structured second-level cache entries: disabled 16:09:33,766 INFO SettingsFactory:314 - Statistics: disabled 16:09:33,769 INFO SettingsFactory:318 - Deleted entity synthetic identifier rollback: disabled 16:09:33,771 INFO SettingsFactory:333 - Default entity-mode: pojo 16:09:33,774 INFO SettingsFactory:337 - Named query checking : enabled 16:09:33,869 INFO Version:20 - Hibernate Search 3.1.0.GA 16:09:35,134 DEBUG DocumentBuilderIndexedEntity:157 - Field selection in projections is set to false for entity **com.xyz.abc**. recognized hibernaterecognized hibernaterecognized hibernaterecognized hibernaterecognized hibernaterecognized hibernaterecognized hibernaterecognized hibernaterecognized hibernaterecognized hibernateDocumentBuilderIndexedEntity Donno what the last line indicates ??? (hibernaterecognized....) After the last line it doesnt do anything (no trace too ) and just hangs....

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Using a DataSet instead of custom business entities in soa and n-tier architecture

- by kathy

I’m working on a large and a high volume transactional enterprise application which has been designed using n-tire application architecture .And it was developed in the .NET platform utilizing C#,VB.NEt, Framework 3.5, ObjectDataSources, DataSet, WCF, asp.net update panel, JavaScript ,JSON, 3rd Party tools. The application is supposed to accomplish a really scalable / easily maintained / robust application / integrations, and to make sure that my services are created using a format that can be understood by other systems. The problem is, this application is about 70% complete but now I was wondering if the following would cause us future issues, I’m using a DataSet and a DataTable to (get /set) the data (form /to) the stored procedure in the database using the ObjectDataSources and was wondering if this would prevent my application from achieving the above goals. Actually, I am not anti-OO. I write lots of classes for different purposes, but I didn’t use the entity objects(custom business entities) instead of the previous way because I have a large database that may contain 50 tables and I was just afraid to create entities for each table and then in the future if I need to change the schema of the database, it might cause a huge affect on the application ?

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Announcing Release of Oracle Solaris Cluster 4.1!

- by user9159196

Oct 26, 2012We are very happy to announce the release of Oracle Solaris Cluster 4.1, providing High Availability (HA) and Disaster Recovery (DR) capabilities for Oracle Solaris 11.1. This is yet another proof of Oracle's continued investment in Oracle Solaris technologies such as Oracle Solaris Cluster. For this new release we have improved the Solaris Cluster integration within the Oracle environment. For example we've created new agents such as PeopleSoft JobScheduler or added the support of the Oracle ZFS Storage Appliance replication in the Geo Edition module (to facilitate disaster recovery in multi-site configuration equipped with those types of storage.) We have also extended the Oracle Solaris Zone Cluster feature with support of Oracle Solaris 10 zone clusters and exclusive-IP to facilitate deployment of virtualized or cloud architecture.And there are many more new features to discover in this release. Stay tuned for more specific articles. In the mean time check out the What's new document or even better, download the latest version from here.Also, join the Oracle Solaris 11 Online Event on November 7 where an entire session will be devoted to discussing Oracle Solaris Cluster 4.1. Our Oracle Solaris Cluster engineers will be on hand to respond to your questions. We look forward to your feedback and inputs! -Nancy Chow and Eve Kleinknecht

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A Successful OTN MySQL Developer Day in Paris

- by Bertrand Matthelié

@font-face { font-family: "Arial"; }@font-face { font-family: "Cambria"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }div.Section1 { page: Section1; } On Wednesday this week Oracle held its first MySQL Developer Day in France. The room was packed with close to 100 people eager to learn more about MySQL. @font-face { font-family: "Arial"; }@font-face { font-family: "Cambria"; }p.MsoNormal, li.MsoNormal, div.MsoNormal { margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: "Times New Roman"; }div.Section1 { page: Section1; } We got great feedback from the attendees who could hear about the new MySQL Cluster 7.2 features, NoSQL Access to MySQL and MySQL Cluster, MySQL performance tuning in MySQL 5.5 and in MySQL 5.6…and more. Sessions included MySQL Essentials MySQL Replication and Scalability Developing MySQL Applications with Java and PHP MySQL Cluster Testing early releases of MySQL in a sandbox (by guest speaker and Oracle ACE Director for MySQL Giuseppe Maxia) MySQL Performance Tuning MySQL Enterprise Edition Management Tools Developing MySQL applications for ISVs & OEMs Thank you to all attendees for your active participation, and to all speakers for great and engaging presentations! More OTN MySQL Developer Days to come…stay tuned.

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inject a mockups to a bean that has @autowired annotations

- by santiagozky

I have a bean that has a couple of beans injected with the autowire annotation (no qualifier). Now, for testing reasons I want to inject some mocks to the bean instead of the ones being autowired (some DAOs). Is there any way I can change which bean is being injected without modifying my bean? I don't like the idea of adding annotations my code just to test it and then remove then for production. I am using spring 2.5. The bean look like this: @Transactional @Service("validaBusinesService") public class ValidaBusinesServiceImpl implements ValidaBusinesService { @Autowired OperationDAO operationDAO; @Autowired BinDAO binDAO; @Autowired CardDAO cardDAO; @Autowired UserDAO userDAO; ... ... }

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Dependency Injection with Spring/Junit/JPA

- by Steve

I'm trying to create JUnit tests for my JPA DAO classes, using Spring 2.5.6 and JUnit 4.8.1. My test case looks like this: @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(locations={"classpath:config/jpaDaoTestsConfig.xml"} ) public class MenuItem_Junit4_JPATest extends BaseJPATestCase { private ApplicationContext context; private InputStream dataInputStream; private IDataSet dataSet; @Resource private IMenuItemDao menuItemDao; @Test public void testFindAll() throws Exception { assertEquals(272, menuItemDao.findAll().size()); } ... Other test methods ommitted for brevity ... } I have the following in my jpaDaoTestsConfig.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean"> <property name="persistenceUnitName" value="CONOPS_PU" /> </bean> <bean id="groupDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.GroupDao" lazy-init="true" /> <bean id="permissionDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.PermissionDao" lazy-init="true" /> <bean id="applicationUserDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.ApplicationUserDao" lazy-init="true" /> <bean id="conopsUserDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.ConopsUserDao" lazy-init="true" /> <bean id="menuItemDao" class="mil.navy.ndms.conops.common.dao.impl.jpa.MenuItemDao" lazy-init="true" />  <bean class="org.springframework.beans.factory.annotation.RequiredAnnotationBeanPostProcessor"/>  <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"/>  <bean id="jpaTransactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory"/> </bean>  <tx:annotation-driven transaction-manager="jpaTransactionManager" proxy-target-class="false"/> </beans> Now, when I try to run this, I get the following: SEVERE: Caught exception while allowing TestExecutionListener [org.springframework.test.context.support.DependencyInjectionTestExecutionListener@fa60fa6] to prepare test instance [null(mil.navy.ndms.conops.common.dao.impl.MenuItem_Junit4_JPATest)] org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mil.navy.ndms.conops.common.dao.impl.MenuItem_Junit4_JPATest': Injection of resource fields failed; nested exception is java.lang.IllegalStateException: Specified field type [interface javax.persistence.EntityManagerFactory] is incompatible with resource type [javax.persistence.EntityManager] at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessAfterInstantiation(CommonAnnotationBeanPostProcessor.java:292) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:959) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:329) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:110) at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:75) at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:255) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:93) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.invokeTestMethod(SpringJUnit4ClassRunner.java:130) at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:61) at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:54) at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34) at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44) at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:52) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196) Caused by: java.lang.IllegalStateException: Specified field type [interface javax.persistence.EntityManagerFactory] is incompatible with resource type [javax.persistence.EntityManager] at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.checkResourceType(InjectionMetadata.java:159) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$PersistenceElement.(PersistenceAnnotationBeanPostProcessor.java:559) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor$1.doWith(PersistenceAnnotationBeanPostProcessor.java:359) at org.springframework.util.ReflectionUtils.doWithFields(ReflectionUtils.java:492) at org.springframework.util.ReflectionUtils.doWithFields(ReflectionUtils.java:469) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.findPersistenceMetadata(PersistenceAnnotationBeanPostProcessor.java:351) at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor.postProcessMergedBeanDefinition(PersistenceAnnotationBeanPostProcessor.java:296) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyMergedBeanDefinitionPostProcessors(AbstractAutowireCapableBeanFactory.java:745) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:448) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409) at java.security.AccessController.doPrivileged(AccessController.java:219) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:168) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.autowireResource(CommonAnnotationBeanPostProcessor.java:435) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.getResource(CommonAnnotationBeanPostProcessor.java:409) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor$ResourceElement.getResourceToInject(CommonAnnotationBeanPostProcessor.java:537) at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement.inject(InjectionMetadata.java:180) at org.springframework.beans.factory.annotation.InjectionMetadata.injectFields(InjectionMetadata.java:105) at org.springframework.context.annotation.CommonAnnotationBeanPostProcessor.postProcessAfterInstantiation(CommonAnnotationBeanPostProcessor.java:289) ... 18 more It seems to be telling me that its attempting to store an EntityManager object into an EntityManagerFactory field, but I don't understand how or why. My DAO classes accept both an EntityManager and EntityManagerFactory via the @PersistenceContext attribute, and they work find if I load them up and run them without the @ContextConfiguration attribute (i.e. if I just use the XmlApplcationContext to load the DAO and the EntityManagerFactory directly in setUp ()). Any insights would be appreciated. Thanks. --Steve

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