The jmap tool is useful in diagnosing excessive use of finalizers, which can result in an OutOfMemoryError.

jmap 工具可检测出是否过度使用了完成器，后者可导致出现 OutOfMemoryError 错误。

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To gather more data, you can produce a system dump instead of a heap dump on an OutOfMemoryError exception.

为了收集更多的数据，您可以在Out Of MemoryError异常上生成一个系统转储文件，而非堆转储文件。

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In addition, the IBM JDK is configured to generate a heap dump automatically if an OutOfMemoryError is detected.

此外，如果检测到了Out Of MemoryError，则将IBM JDK配置为自动产生堆转储。

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