java事务提交异常

1 周，5 日 Questions & Answers 1431

我使用以下代码开始并提交事务

final static Object lock = new Object();
@Transactional(readOnly = false, propagation = Propagation.REQUIRED, rollbackFor = Exception.class)
public String addRequest(String actionCode) throws Exception {
    synchronized (this.getClass()) {

        Session session = dao.getCurrentSession();
        try {
            System.out.println("start");

            Transaction tr = session.getTransaction();
            tr.begin();

            certRequest
                    .setRequestNbr(generateRequestNumber(certInsuranceRequestAddRq
                            .getAccountInfo().getAccountNumberId()));
            reqId = Utils.getUniqueId();
            certRequest.setRequestId(reqId);

            ItemIdInfo itemIdInfo = new ItemIdInfo();

            itemIdInfo.setInsurerId(certRequest.getRequestId());

            certRequest.setItemIdInfo(itemIdInfo);

            Serializable it = session.save(certRequest);
            if (it != null) {
                addAccountRel();

                System.out.println("\n \n Transaction value is as " + it);
                if (!tr.wasCommitted())
                    tr.commit();
                System.out.println("\n \n Refresh value is "
                        + generateRequestNumber(certInsuranceRequestAddRq
                                .getAccountInfo().getAccountNumberId()));


    }
        } catch (HibernateException e) {
            e.printStackTrace();
        } finally {
            session.close();
        }
        System.out.println("end1");
    }
    return reqId;
}

然而，我得到了以下例外

org.springframework.transaction.TransactionSystemException: Could not commit Hibernate transaction; nested exception is org.hibernate.TransactionException: Transaction not successfully started
    at org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:660)
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:754)
    at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:723)
    at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:393)
    at org.springframework.transaction.aspectj.AbstractTransactionAspect.ajc$afterReturning$org_springframework_transaction_aspectj_AbstractTransactionAspect$3$2a73e96c(AbstractTransactionAspect.aj:82)
    at com.csc.exceed.uow.RequestAddUOW.addRequest(RequestAddUOW.java:405)
    at com.csc.exceed.uow.RequestAddUOW.invokeService(RequestAddUOW.java:82)
    at resources.rules.uow.Rule_Add_Request_0.defaultConsequence(Rule_Add_Request_0.java:7)
    at resources.rules.uow.Rule_Add_Request_0DefaultConsequenceInvoker.evaluate(Rule_Add_Request_0DefaultConsequenceInvoker.java:29)
    at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:917)
    at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:856)
    at org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1071)
    at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:785)
    at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:761)
    at org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:226)
    at com.csc.exceed.infrastructure.BusinessProcessManager.executeRules(BusinessProcessManager.java:35)
    at com.csc.exceed.infrastructure.BusinessProcessManager.executeUOWSequence(BusinessProcessManager.java:72)
    at com.csc.exceed.controller.RequestHandler.service(RequestHandler.java:169)
    at com.csc.exceed.controller.ControllerServlet.doPost(ControllerServlet.java:54)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.TransactionException: Transaction not successfully started
    at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:131)
    at org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:656)
    ... 32 more


 error msz is Could not commit Hibernate transaction; nested exception is org.hibernate.TransactionException: Transaction not successfully started

我也试过了事务tr=会话。beginTransaction（）

代替“Transaction tr=session.getTransaction（）； tr.begin（）；“但这也不起作用。请建议

# 1 楼答案

编写事务同步代码很困难，一旦开始将应用程序部署到多个服务器，就会失败。要解决此问题，请为事务使用适当的isolation level

首先，删除所有事务和会话管理代码以及不需要的同步内容。接下来，只需使用@Transactional(isolation=SERIALIZABLE)注释您的方法，就可以在数据库级别进行锁定，无论您拥有多少应用程序服务器，锁定都会起作用

@Transactional(isolation=SERIALIZABLE, rollbackFor = Exception.class)
public String addRequest(String actionCode) throws Exception {

    Session session = dao.getCurrentSession();
    System.out.println("start");

    certRequest
                .setRequestNbr(generateRequestNumber(certInsuranceRequestAddRq
                        .getAccountInfo().getAccountNumberId()));
    reqId = Utils.getUniqueId();
    certRequest.setRequestId(reqId);

    ItemIdInfo itemIdInfo = new ItemIdInfo();

    itemIdInfo.setInsurerId(certRequest.getRequestId());

    certRequest.setItemIdInfo(itemIdInfo);

    Serializable it = session.save(certRequest);
    if (it != null) {
            addAccountRel();
            System.out.println("\n \n Transaction value is as " + it);
            System.out.println("\n \n Refresh value is "
                    + generateRequestNumber(certInsuranceRequestAddRq
                            .getAccountInfo().getAccountNumberId()));
    }
    System.out.println("end1");
    return reqId;
}

在我看来，您的代码似乎也有缺陷，因为reqId和certRequest是实例变量，我没有看到它们被传递到方法中。出于某种原因，我认为您两次生成requestNumber语句也是错误的，一次在if语句外部，一次在if语句内部

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