Tag: rollback

k8s’s Init Containers container implements code version upgrade release and deployment version rollback: practical operation version

Initialization containers in Pod: Init Containers Theoretical premise of initContainers implementation: Containers in the same Pod share network, volume and other resources Init Containers In Kubernetes, an init container is a container that is started and executed before other containers in the same Pod. Its purpose is to perform initialization logic for the main application […]

Solve javax.persistence.RollbackException: Transaction marked as rollbackOnly Ask

Table of Contents Solve javax.persistence.RollbackException: Transaction marked as rollbackOnly Ask Abnormal 1. Apply logic 2. Persistence context issues 3. Restraint violations Approach 1. Check application logic 2. Review persistence context management 3. Check for constraint violations 4. Exception handling and logging 5. Reference documentation and community support in conclusion Resolving javax.persistence.RollbackException: Transaction marked as rollbackOnly […]

Transaction rolled back because it has been marked as rollback-only

When I was looking at the program log recently, I found that the exception Transaction rolled back because it has been marked as rollback-only occurred frequently. After checking the information for a long time, I found out what caused this exception. Let’s analyze it below; Reasons Literally: the transaction has been rolled back because it […]

Understand Seata distributed transaction TCC mode and solve empty rollback, idempotence, and hanging problems in one article

Reprint: https://mp.weixin.qq.com/s?__biz=Mzg3Mjk3OTA4OA== & amp;mid=2247484545 & amp;idx=1 & amp;sn=9fe01ef81d68f1f3b8912e44b0a588b8 & amp;chksm=cee64b7ef991c2689d 11a3f33ab07e4f50cd388ab487b05659995e2dcbcac4742292a79be6ee & amp ;cur_album_id=2973104649560178694 & amp;scene=189#wechat_redirect /** * @author qingzhou * * Through the @LocalTCC annotation, RM will register a branch transaction with TC when it is initialized. */ @LocalTCC public interface OrderService {<!– –> @TwoPhaseBusinessAction(name = “prepareSaveOrder”, commitMethod = “commit”, rollbackMethod = “rollback”, useTCCFence […]

Spring transaction error: org.springframework.transaction.UnexpectedRollbackException

Exception information: An unpredictable rollback exception occurred. Because the transaction has been flagged and can only be rolled back, the transaction was rolled back. org.springframework.transaction.UnexpectedRollbackException: Transaction rolled back because it has been marked as rollback-only at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:724) at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:485) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:291) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:208) at com.sun.proxy.$Proxy98.evaluateScript(Unknown Source) at com.mdiaf.baf.action.BafConsoleController.eval(BafConsoleController.java:32) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) […]

3.02 Create order operation details – order creation and rollback (create order operation details)

Step 1: Create orders order table, sub-order table and order status table corresponding pojo and mappper Orders and OrderItemsMapper OrderItems and OrderItemsMapper OrderStatus and OrderStatusMapper Step 2: Create OrderService and corresponding implementation class public interface OrderService {<!– –> /** * Used to create order related information * @param submitOrderBO */ public OrderVO createOrder(SubmitOrderBO submitOrderBO); } […]

2022 International Collegiate Programming Contest, Jinan Site C. DFS Order 2 (tree dp + rollback backpack)

Title A tree with n (n=1;–i){ for(int j=sz[u];j>=sz[v];–j){ f[i][j] + =f[i-1][j-sz[v]]; } } } Before calculating the g array and dp array, undo v, and undo it after the calculation, that is, add it back, and then dfs subtree Complexity Code #include<bits/stdc + + .h> //#include<iostream> using namespace std; #define rep(i,a,b) for(int i=(a);i<=(b); + + […]

mysql data rollback binlog2sql

1. What is binlog2sql? It is an open source tool for parsing binary logs. It has the capability to extract raw SQL statements from binary logs. It has the capability to generate rollback SQL from binary logs for point-in-time recovery. 2. Install binlog2sql cd git clone https://github.com/danfengcao/binlog2sql.git & amp; & amp; cd binlog2sql pip install […]

HDFS cluster rolling upgrade and downgrade rollback

Table of Contents 1. HDFS cluster rolling upgrade 1.1 Introduction 1.2 Rolling upgrade without downtime 1.2.1 Non-federated HA cluster 1.2.1.1 Rolling upgrade preparation 1.2.1.2 Upgrade Active NN and Standbys NN 1.2.1.3 Upgrade DN 1.2.1.4 Complete rolling upgrade 1.2.2 Federated HA Cluster 1.3 Downtime upgrade 1.3.1 Non-HA cluster 2. HDFS cluster downgrade and rollback 2.1 The […]