Help Center/ Application Performance Management/ User Guide（2.0）/ Performance Monitoring/ Monitoring Component Performance Metrics/ Viewing the Exception Monitoring Item of a Component
Updated on 2026-02-25 GMT+08:00
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Viewing the Exception Monitoring Item of a Component

This type of monitoring item monitors application exception logs. Take the monitoring of Java exception logs as an example. Once you use the log system to print logs, they will be collected by APM. The types of exceptions to be collected vary depending on the collector type.

Procedure

  1. Log in to the APM console.
  2. Click on the left and choose Management & Governance > Application Performance Management.
  3. In the navigation pane, choose Performance Monitoring > Components.
  4. In the filter bar on the left, select a region and an application.
  5. Click a component name in the Component column. The component details page is displayed.
  6. Click the Exceptions tab. By default, the exception logs of all instances are displayed. For details about the metrics, see Table 1.

    Table 1 Exception log parameters

    Metric Set

    Parameter

    Description

    Exception

    Class

    Exception class.

    Exception Type

    Exception type.

    Log Type

    Exception log type.

    Total Exceptions

    Number of times that an exception has occurred.

    Message

    Message returned when the exception occurred.

    Error Stack

    Error stack.

    Error Trace

    Information about the error trace.

    Log Version

    logType

    Log type.

    Version

    Log version.

  7. On the Exceptions tab page, select a target instance and then select Exception to view the exception monitoring data.

    You can also perform the following operations if needed:

    • Set a time range to view data. Select a time range. Default: Last 20 minutes.

      Options: Last 3 minutes, Last 5 minutes, Last 10 minutes, Last 20 minutes, Last 1 hour, Last 3 hours, Last 6 hours, Last day, Today, Yesterday, Last week, Last month, and Custom.

    • Click in the upper right corner of the list. In the Table Settings dialog box, select or deselect columns to show or hide them.
    • Click in the upper right corner of the list to export information. A maximum of 100 records can be exported.
    • Click the blue text in the Message column to view the message time and content.
    • Click Detail in the Error Stack column to view exception details.
    • Click History in the Error Stack column to view the historical error stack list.
    • Click Detail in the Error Trace column to view trace details.
    • Click History in the Error Trace column to view trace history.
    • Click the blue text in the Version column to view details.

For more information about exceptions, see Exception.