Java

To collect logs from your Java application, complete the following 3 steps:

Agent Update

It is available from Java agent 2.1.1. For more information about update, see the following.

Checking the agent settings

Home > Select Project > Log > Log Setting

Select a project in the initial screen of the WhaTap monitoring service, and then select Log > Log Setting under Project Menu. Proceed with the process according to the instructions in the Check Agent Settings tab of the Start Log Monitoring section.

1. Under Project Menu, select Management > Agent CONFIG..

2. In the Write Options tab, select Direct Input. Add the logsink_enabled=true option in the field.

   

3. Restart the application to apply the log monitoring.

Key options

• hooklog_enabled Boolean

  Default false

  It enables the log monitoring by hooking the log library.

  Caution

  Before running the application, this option must have been enabled in whatap.conf to dynamically turn on or off the monitoring through the logsink_enabled setting. If the logsink_enabled option is set to true before running the application, log monitoring is possible without a separate setting.

  Note

  If there is a possibility to use the log monitoring, it is recommended to set this option in advance.

• hooklog_custom_methods

  Register a custom log. An arbitrary log framework content is delivered. Use this to trace logs of the log module created on the website.

  Java

  package io.home.test;
  
  public class MyLog {  
    public void customLog(String log) { ... }
  }
  whatap.conf

  hooklog_custom_methods=io.home.test.MyLog.customLog

• logsink_enabled Boolean

  Default false

  It turns on or off Log Monitoring.

  Caution

  Before running the application, if in whatap.conf, the hooklog_enabled option is set, this option can dynamically turn on or off the log monitoring.

• logsink_trace_enabled Boolean

  Default false

  Set whether or not to expose the log tab of the transaction trace by inserting the transaction ID into the logs.

Enabling the log monitoring

Home > Select Project > Log > Log Setting

You can enable or disable the WhaTap log monitoring with the toggle button in the Activate log monitoring tab of the Starting the log monitoring section.

• If you turn on , the log monitoring is enabled. You can try for free for 15 days from the activation date.
• If you turn off , the log monitoring is disabled. Logs are no longer saved.

Note

Role

After agent installation, you can enable the log monitoring settings only when you have the edit permission on the project. For more information about the roles, see the following.