视频点播服务质量可参照话音服务，按信号阻塞或服务无效性来表示。
VOD service quality can, as for telephony, be expressed in terms of blocking or service unavailability.
HCL科技公司是一家软件公司，它帮助客户升级电脑系统，承诺如果服务无效，客户无需付款。
HCL Technologies, a software firm, helps clients improve their IT systems on the understanding that if they reap no benefits, they pay nothing.
如果试图访问数据时无法读取数据，原因之一是解密密钥无效，原因之二是遭服务器拒绝，因为此提供商使用的是自己的加密算法。
If you can't read the data when you have accessed it, the decryption keys are corrupted, or the server rejects it because the vendor is using its own encryption algorithm.
否则，可能遇到各种错误，比如服务器概要文件包含无效的连接概要文件引用，或者部署组包含无效的部署工件引用。
Otherwise, you may see various errors such as Server Profiles that contain invalid references to connection profiles or Deployment Groups that contain invalid references to deployment artifacts.
这不能保证服务可以处理无效数据，因此将出现一个运行时错误。
There is no guarantee that the service can handle data that is not valid, so a runtime error can occur.
服务器实例数量越多，要保持服务器实例间的缓存数据新鲜需要的无效交谈也就越多。
The greater the number of server instances, the greater amount of invalidation chatter is required to keep the cached data fresh among the server instances.
与同步调用类似，InvalidSymbolException指示请求已到达服务提供程序，该提供程序抛出业务异常，指示符号无效。
Similar to a synchronous invocation, InvalidSymbolException indicates that the request has reached the service provider, which has thrown a business exception stating that the symbol is invalid.
您可能会得到一个错误消息，表示来自服务器的证书是无效的。
You will likely get an error message that says that the certificate from the server is invalid.
如果服务器程序中没有错误，那么转发就是有效的；如果有错误，那它就是无效的。
If there are no errors in the server program, the forward is valid; if there are errors, it will be invalid.
在第一种情形下，日志客户端能够针对服务器无效的状况对业务应用程序保持透明。
In the first case, the logging client is able to keep the unavailability of the server transparent to the business application.
我们需要在服务器上进行重新检查，或者至少确保我们已经预料到了由无效数据类型引起的异常。
We would need to do some rechecking on the server, or at least ensure we've anticipated exceptions due to invalid data types.
这消除了传统集群化应用程序服务器架构中的所有无效交谈，能够产生更高的事务性能。
This removes all of the invalidation chatter in traditional clustered application server architecture and can result in higher transactional performance.
对向穷人提供有效服务的给予奖励，对无效服务给予惩罚。
By rewarding the effective and penalizing the ineffective delivery of services to poor people.
即使在调用服务器之前检验数据，其他用户所做的修改也可能导致原来正确的数据无效。
Even if data is validated before calling the server, changes brought by other users might invalidate your previously correct data.
将数据库针对无效代码的输入结果(如空查询结果)转换为服务希望的错误。
Convert the database's result for an invalid symbol, such as an empty query result, into the error the service expects.
下面的场景可能会用无效的数据“毒害”边缘服务器缓存。
Following is a scenario that can potentially "poison" the edge server cache with invalid data.
服务提供程序然后抛出业务异常，指示提供的符号无效。
The service provider then throws a business exception stating that the symbol supplied is invalid.
这一次，SOAP请求传递给了服务器，但是因为日期格式无效而被拒绝。
This time, the SOAP request was delivered to the server, but was rejected because of the invalid date format.
如果指定的目录路径无效，则禁用服务器缓存。
If a specified directory path is invalid, the server cache is disabled.
如果曾用于生成特定页面的标记的某个门户资源的服务器端状态发生更改，需要重新生成此页面，因而缓存的视图会变为无效。
If the server side state of a portal resource that was once required to generate the markup for a specific page changes, this page needs to be regenerated, and thus the cached view becomes invalid.
在返回信息时，服务器程序会传递te01w01中的名称或消息(如果用户标识无效)。
On return, the server program passes the name and a message (if the userid is invalid) in TE01W01.
然而，对于一个长期运行的服务，我想在最好的情况下是无效的，不可能在某些情况下，创建的所有对象前面。
However, for a long-running service, I imagine it would be inefficient in the best case, and impossible in some cases, to create all objects up front.
包含一个存储当前UTC时间戳的字段，并在服务端检查它，如果它是太遥远的过去，或者是将来，那么这个form是无效的。
Include a field with the current UTC time-stamp in it and check it on the server. If it is too far in the past, or if it is in the future, the form is invalid.
GregAharonian 经营着互联网专利新闻服务（致力于知识产权新闻的网站）这家网站。他相信至少有一些苹果的专利将是无效的。
Greg Aharonian, who runs the Internet Patent News Service, a site devoted to intellectual property news, said he believed that at least some of Apple’s patents would be found to be invalid.
如果一个或多个服务器无效，则服务器健康指示器将转变为警报状态。
The server health indicator will transit to attention state if one or more servers are invalid. When a server is unavailable the health indicator status is shown as.
当logoff()方法得到调用时，IBMCognos8服务器将使 CAM passport 变为无效。
When the logoff() method is called, the CAM passport will be invalidated by the IBM Cognos 8 server.
RTagentd：严重系统初始化错误：[5.3.8.43]服务器：绑定错误(10048)，无效论断(如图26所示)。
RTagentd: fatal system initialization error: [5.3.8.43] server: bind error (10048), Invalid argument (shown in Figure 26).
如果服务器发出的异常报告，然后客户端发送一个无效的消息到服务器。
If the server issued the exception that you reported, then the client sent an invalid message to the server.
如果返回的值为false，意味着用户输入无效，Web浏览器不会向服务器提交表单数据。
If the returned value is false, meaning that the user input isn't valid, the Web browser doesn't submit the form data to the server.
服务器用作网关或代理服务器并尝试满足请求时，从所访问的上游服务器接收到的响应无效。
The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.
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