If you receive errors about JNDI names not being found, you've probably set one of these elements incorrectly.
如果收到找不到JNDI名称的错误消息，则可能错误设置了其中一个元素。
Google have previously not added IPv6 to their main sites since in a small number of cases, it can cause delays if DNS servers are incorrectly configured.
Google之前并没有把IPv 6添加到他们的主站上，因为在少量情况下，如果没有正确配置DNS服务器的话，它就会导致延迟。
However, applications are still vulnerable to leaks if they incorrectly hold on to object references, as the garbage collector will not collect objects that are still referenced.
但是，如果应用程序没有正确地持有对象引用，则仍然有可能会泄露，因为垃圾收集器将不会收集仍然被引用的对象。
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