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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-1200028 Tomcat Process Memory Usage Has Exceeded the Maximum Value Allowed

ALM-1200028 Tomcat Process Memory Usage Has Exceeded the Maximum Value Allowed


The system checks whether the memory usage of the Tomcat process exceeds the threshold every 2 minutes. This alarm is generated when the usage exceeds the threshold for 30 minutes.


Alarm ID

Alarm Severity

Auto Clear







Alarm Name

Indicates the alarm name.

Source Device

Indicates the device for which the alarm is generated.

Monitoring System

Indicates the type of the interconnected system.

Source System

Indicates the name of the interconnected system.

IP Address

Indicates the IP address of the ECS instance for which the alarm is generated.

Last Occurred At

Indicates the time when the alarm was generated for the last time.

Location Information

Indicates the information required to locate the alarm.

Additional Information

Provides supplementary information about the alarm.

Impact on the System

This alarm does not affect system running. However, if the service traffic increases subsequently, new services cannot be processed. This alarm must be cleared promptly.

Possible Causes

  • The Tomcat process is running abnormally.
  • The service capacity and processing capability cannot meet service requirements.


  1. Log in to the ManageOne OM plane using a browser.

    • URL: https://Address for the homepage of the ManageOne OM plane:31943. For example:
    • Default username: admin, default password: Huawei12#$.

  2. Click Login.
  3. On the menu bar in the upper part of the page, choose Alarms.
  4. In the alarm list, locate and click the target alarm name in the Name column. The alarm details and proposed processing actions dialog box is displayed.
  5. In the Basic Information list of the Alarm Details and Handling Recommendations dialog box, locate Location Info. The value of Host IP address in Location Info is the IP address of the node for which the alarm is generated.
  6. Use PuTTY to log in to the node for which the alarm is generated.

    The default username is vpc. The default password is Huawei12#$.

  7. Run the following command to disable user logout upon system timeout:


  8. Run the following command to obtain the PID of the Tomcat process:

    ps -ef |grep tomcat

    The following command output is displayed.

  9. Run the following command to stop the Tomcat process:

    kill -9 pid

    pid is the process ID in the command output of 8.

    The process protection mechanism will restart the process.

  10. After 5 minutes, run the following command to check whether the Tomcat process exists:

    ps -ef |grep tomcat
    • If the Tomcat process exists, go to 11.
    • If the Tomcat process does not exist, contact technical support for assistance.

    If the following output is displayed, the Tomcat process exists:

  11. After 10 minutes, check whether the alarm is cleared.

    • If the alarm is cleared, no further action is required.
    • If the alarm persists, contact technical support for assistance.

Alarm Clearance

This alarm will be automatically cleared after the fault is rectified.



Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 45038

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