rollback

问题 I'm very new to programming and have been building my company's inventory database on MS Access 2016. I've been able to get by just fine with macros so far, but I'm trying to run a transaction made of append and delete queries and am struggling with the vba code. I figured out how to run a transaction where the queries fail on error. However, the append query I'm trying to include in the transaction is drawing values from a blank form, and as far as I can figure out, that means I need to

问题 When I try to rollback my bad changeset using tf rollback /changeset:xx I'm getting next error: TF204000: The Team Foundation server to which your team project is connected does not support the Rollback command. Is it possible to fix that someway? Googling brings not result 回答1: Are you sure you are using TFS 2010 on the back-end? It sounds like you might be using Visual Studio 2010 against TFS 2008. If that's the case, try installing the TFS Power Tools October 2008 release and rollback

问题 I'm using a nice little [Rollback] attribute on my NUnit database-level tests: public class RollbackAttribute : Attribute, ITestAction { private TransactionScope _transaction; public ActionTargets Targets { get { return ActionTargets.Test; } } public void BeforeTest(TestDetails testDetails) { _transaction = new TransactionScope(); } public void AfterTest(TestDetails testDetails) { _transaction.Dispose(); } } So I can then decorate my db-based tests like this: [Test] [Rollback] public void

问题 Imagine I have a vanilla continuous delivery scenario with a Java webapp. This scenario has: - one build server running cruisecontrol - one web server running Tomcat with tomcat manager running One of the Ant build targets running on the build server builds a war file and then uses catalina-ant to remotely deploy the web server using the Tomcat manager. To be truly useful - we need to be able to roll back the deployment. Given this vanilla setup, what extra pieces of the puzzle do I need to

问题 MySQL 5.7.16 server on Windows Server 2012R2 with 32GB RAM is now restarting itself every 18minutes or so with the following in the error log: InnoDB: ###### Diagnostic info printed to the standard error stream 2017-11- 16T13:18:39.650036Z 0 [ERROR] [FATAL] InnoDB: Semaphore wait has lasted > 600 seconds. We intentionally crash the server because it appears to be hung. 2017-11-16 13:18:39 0x1bcc InnoDB: Assertion failure in thread 7116 in file ut0ut.cc line 916 InnoDB: We intentionally

问题 I have several integration tests for various services that extend the following baseclass: @ContextConfiguration(locations="classpath:applicationContext-test.xml") @TransactionConfiguration(transactionManager="txManager", defaultRollback=true) @Transactional public abstract class IntegrationTestBase extends AbstractTransactionalJUnit4SpringContextTests { //Some setup, filling test data to a HSQLDB-database etc } For most cases this works fine, but I have a service class which has transactions

问题 I have an Entity Manager in my EJB @PersistenceContext(unitName = "cnsbEntities") private EntityManager em; I populate an object and then I commit it in my DB, but if I have an exception, for duplicate ID, I can't catch it and I don't know why. try{ em.merge(boelLog); } catch (Exception e){ System.out.println("Generic Exception"); } 回答1: JPA uses transactions to send entity modifications to the database. You can specify those transactions manually through Bean Managed Transactions (BMT) or

问题 I have an application that make a copy from my database by bulk copy class in c#. Can I rollback the bulk copy action in sql server when occur an exception? 回答1: MSDN article: Performing a Bulk Copy Operation in a Transaction or the newer documentation: Transaction and Bulk Copy Operations | Microsoft Docs using (SqlTransaction transaction = destinationConnection.BeginTransaction()) { using (SqlBulkCopy bulkCopy = new SqlBulkCopy( destinationConnection, SqlBulkCopyOptions.KeepIdentity,

问题 I have 2 repositories, one for mongodb (DocumentRepository) and the other for hibernate entity (EntityRepository) I have a simple service: @Transactional public doSomePersisting() { try { this.entityRepository.save(entity); this.documentRepository.save(document); } catch(...) { //Rollback mongoDB here } } Is it possible to rollback the mongoDB on the "//Rollback mongoDB here" line? I already got a rollback from the entity part (Transactional annotation) 回答1: MongoDB doesn't support

问题 Say my commit interval is 1000. And during writing I get a error at 990th record which is skippable as per skip policy. So a rollback will occur and the writer will start again writing the same records from record 1. However, this time, It is commiting on each record. It does not honour commit interval. This is making the job dead slow. Why the behavior is like that ?? Am I missing something in my configuration ?? Thanks. 回答1: that bevaviour is mandatory for spring batch to isolate the bad