Log formatters

Log formatters format log messages so they can be used by various log handlers.

Handlers can be configured with a log formatter that knows how to format log records. The event, which is represented by the log record object, is passed to the appropriate formatter by the handler. The formatter returns formatted output to the handler, which writes the output to the output device.

The formatter is responsible for rendering the event for output. This formatter uses the resource bundle that is specified in the event to look up the message in the appropriate language.

Formatters are attached to handlers using the setFormatter method.

[AIX Solaris HP-UX Linux Windows]With WebSphere® Application Server, you can configure the formatter to work with trace, the SystemOut.log, and theSystemErr.log log files:
  • Basic (Compatible): Preserves only basic trace information. With this option, you can minimize the amount of space taken by the trace output.
  • Advanced: Preserves more specific trace information. You can see detailed trace information for troubleshooting and problem determination.
  • Log analyzer trace format: Preserves trace information in the same format as produced by Showlog tool.

[IBM i][AIX Solaris HP-UX Linux Windows]You can select a formatter for a handler using the administrative console panels. See Diagnostic trace service settings for details.

You can find the java.util.logging documentation at http://java.sun.com/javase/.

Note: 這個主題參照一或多個應用程式伺服器日誌檔。 此外,在分散式和 IBM® i 系統上,另外也建議您可以配置伺服器來使用「高效能可延伸記載 (HPEL)」日誌和追蹤基礎架構,而不使用 SystemOut.logSystemErr.log, trace.logactivity.log 檔案。HPEL 與原生 z/OS® 記載機能也可以一起使用。如果您使用 HPEL,則可以從伺服器設定檔 bin 目錄,利用 LogViewer 指令行工具來存取您所有的日誌和追蹤資訊。請參閱有關利用 HPEL 疑難排解應用程式的資訊,以取得更多使用 HPEL 的相關資訊。

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時間戳記圖示 前次更新: July 9, 2016 11:11
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