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https://issues.apache.org/jira/browse/SCB-805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Willem Jiang reopened SCB-805:
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Assignee: Willem Jiang (was: Jeremy Xu)
> If the node time of alpha and omega are not same, the transaction could be
> aborted
> ----------------------------------------------------------------------------------
>
> Key: SCB-805
> URL: https://issues.apache.org/jira/browse/SCB-805
> Project: Apache ServiceComb
> Issue Type: Improvement
> Components: Saga
> Affects Versions: saga-0.2.0
> Reporter: Jeremy Xu
> Assignee: Willem Jiang
> Priority: Minor
> Fix For: saga-0.3.0, saga-0.2.1
>
>
> If the node time of alpha and omega are not same, the transaction could be
> aborted.
> As the alpha just create the TxEvent which is based on the omega's message
> timestamp, it could trigger the EventScanner timeout check to abort the
> transaction. We should use the Alpha timestamp to create the date.
> RT,
> 当alpha与omega所在节点的时间不同步时，分布式事务会被异常aborted。检查代码发现alpha侧创建TxEvent时用到了omega侧传过来的时间戳。
> {code:java}
> @Override
> public void onTxEvent(GrpcTxEvent message, StreamObserver<GrpcAck>
> responseObserver) {
> boolean ok = txConsistentService.handle(new TxEvent(
> message.getServiceName(),
> message.getInstanceId(),
> new Date(message.getTimestamp()), // 这里用到了omega侧传过来的时间戳
> message.getGlobalTxId(),
> message.getLocalTxId(),
> message.getParentTxId().isEmpty() ? null : message.getParentTxId(),
> message.getType(),
> message.getCompensationMethod(),
> message.getTimeout(),
> message.getRetryMethod(),
> message.getRetries(),
> message.getPayloads().toByteArray()
> ));{code}
>
> 这里感觉可以直接用收到TxEvent的时间，即*new Date()*即可。
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