Simply stated: What is the difference between "Transactional" and "Non-Transactional"? In my case I came up with this question while reading the following definition for "MDM": "In computing, ...

I am trying to use spring @Transactional annotation and timeout parameter. I basically test the code with put some Thread.sleep() codes. Then i get timeout exception as i expected. Also i want to g...

here I am trying to remove any users which containt a " in their email/username. def removeQuote(self, tbl,record): """ Updates the record """ statmt="select id from %s WHERE `email` LIKE '%%\"...

There are already a few questions about the topic, but no response at all really provides arguments in order to explain why we shouldn't make a Spring MVC controller Transactional. See: Transacti...

Let's say I have a java class with a method like this (just an example) @Transactional public synchronized void onRequest(Request request) { if (request.shouldAddBook()) { if (database.getByNam...

One way to configure Spring to rollback on a non RuntimeExceptions is using @Transactional(rollbackFor=...) annotation on the service classes. The problem with this approach is that we need to defi...

I have a set of @Service beans which inherit core functionality from an abstract class. I marked each of the concrete sub-class services with @Service and @Transactional. The abstract super class c...

I have a drools rule file which uses service classes in the rules. So one rule does something like this: eval(countryService.getCountryById(1) != null) In a validationservice that is annotated wi...

I'm trying to use @Transactional annotation in a method on my service to lazily load a field. However using @Transactional on my Implementation class makes all autowired fields null. Here is my i...

I want to know what actually happens when you annotate a method with @Transactional? Of course, I know that Spring will wrap that method in a Transaction. But, I have the following doubts: I hea...

I was browsing the Win32 API functions for file and directory management operations. I saw that some of those functions has their so called "transactional" counterparts. Examples: CreateDirectory ...

I am working on a spring-boot project. Before using @Transactional annotation in my project I have two questions Best practice to use @Transactional annotation in spring-boot, service layer or...

I've seen a method in a Service class that was marked as @Transactional, but it was also calling some other methods in that same class which were not marked as @Transactional. Does it mean that th...

I have a method annotated with @Transactional. I retrieve an object from my Oracle DB, change a field, and then return from the method. I forgot to save the object, but discovered that the database...

I am trying to make my Service Method retrying on failure with Springs @Retryable. @Retryable(backoff = @Backoff(delay = 1000), maxAttempts = 3) @Transactional(rollbackFor = Throwable.class) publi...

I use Spring + Hibernate + JPA I need to handle the list of customers by inserting their orders. Here is the Unit of work : for(Customer customer: CustomerList) { List<Order> orderList = ...

I need to receive and save huge amount of data using spring data over hibernate. Our server allocated not enough RAM for persisting all entities at the same time. We will definitely get OutOfMemory...

I have the following code: /** * Restored deleted partner */ @Transactional public void restorePartnerById(Integer id){ // logic } When I make the method final /** * Restored deleted partn...

I got interested in how Spring's @Transactional works internally, but everywhere I read about it there's a concept of proxy. Proxies are supposed to be autowired in place of real bean and "decorate...

I have a Spring application which updates particular entity details in MySQL DB using a @Transactional method, And within the same method, I am trying to call another endpoint using @Async which is...

I have the following implementation. @Transactional public void saveAndGenerateResult(Data data) { saveDataInTableA(data.someAmountForA); saveDataInTableB(data.someAmountForB); callAnAggregate...

I have to use 3 different transaction managers in my webapp. So I wrote my own Annotation according to the Spring reference (Section 10.5.6.3 Custom shortcut annotations). One annotation (for usi...

I am bit of unclear about the usage of @Transactional annotation in the business/service layer. My question is, when used together with ISOLATION_SERIALIZABLE in business layer, does the @Transac...

I know that my problem is a common problem, but I've checked a lot of questions here, checked Spring documentation and I really don't know what I am doing wrong. My problem: I've got a Spring WebFl...

I configured spring with transactional support. Is there any way to log transactions just to ensure I set up everything correctly? Showing in the log is a good way to see what is happening.