Resolution:
Description:
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From version 4.x to 5.x, Hawk uses a new log4j logger. "-log_level" in hawkagent.cfg and hawkevent.cfg does not work if you want to capture only WARN level. Follow the instructions below to change the log mode.

Environment:
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Hawk 5.0

Resolution:
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Here are the steps to run Hawk 5.0 Agent in different log modes using the new log4j logger:

1).   INFO: This is the default log mode for the Hawk agent and requires no change in configuration.[ -log_level in hawkagent.cfg is set to 7].
2).   DEBUG: To run the Agent in debug mode, set the parameter -log_level in hawkagent.cfg to 8.
3).   WARN: To run the Agent in WARN log mode:
3a).    No change is required in hawkagent.cfg -log_leve. It should be set to 7. Setting it to 6 will have no impact.
3b).    Confirm that the  property is set in tibhawkagent.tra .       
           java.extenthe ded.properties=-Dlog4j.configuration=%HAWK_CONFIG_HOME%/bin/log4j_agent.properties
3c).    In log4j_agent.properties, change the following statement:
           log4j.rootLogger=INFO, stdout, RFileApp
         to
          log4j.rootLogger=WARN, RFileApp

4).   ERROR: For error mode, follow the steps similar to WARN mode and in log4j_agent.properties. Configure the ERROR mode instead of WARN.

For Event service:

1). INFO: This is default log mode for Hawk Event service and requires not change in configuration.[ -log_level in hawkevent.cfg is set to 7].
2.  DEBUG: To run Event Service in debug mode, just set the parameter -log_level in hawkevent.cfg to 8.
3). WARN: To run Event Service in WARN log mode:
3a).  No change required in hawkevent.cfg -log_level should remain to 7, setting to 6 will have no impact.
3b).  Copy log4j_agent.properties to log4j_event.properties
3c).  Add thefollowing property in tibhawkevent.tra
         java.extended.properties=-Dlog4j.configuration=%HAWK_CONFIG_HOME%/bin/log4j_event.properties
3d). In the log4j_ event.properties, change the following statement from
       log4j.rootLogger=INFO, stdout, RFileApp
      to
       log4j.rootLogger=WARN, RFileApp

4). ERROR: For error mode, follow the steps similar to WARN mode and in in log4j_ event.properties. Configure ERROR mode instead of WARN.

How to enable different log modes using the new log4j logger in Hawk 5.x?