In this article, we will show you how to:
- Redirect WLST print messages to an output file
- List current message levels of all loggers associated with a managed server (i.e., "MS_1")
- With the getLogLevel command
Redirect WLST print Statement
If you try to redirect WLST output to a log file using the following WLST command.
wls:/fod_domain/serverConfig> redirect('./logs/wlst.log', 'false')
It won't work. Instead , you should follow the instructions below[1] to redirect WLST's print statement to a file:
from java.io import File
from java.io import FileOutputStream
f = File("/scratch/aime1/tmp/wlst.log")
fos = FileOutputStream(f)
theInterpreter.setOut(fos)
print "start the script"
How to List Current Message Levels of All Loggers?
From below, find the full list of commands that achieved the task:
$cd $MW_HOME/wlserver/common/bin
$./wlst.sh
wls:/offline> connect ('weblogic','weblogic1','t3://localhost:7001')
Connecting to t3://localhost:7001 with userid weblogic ...
Successfully connected to Admin Server "AdminServer" that belongs to domain "fod_domain".
Warning: An insecure protocol was used to connect to the
server. To ensure on-the-wire security, the SSL port or
Admin port should be used instead.
$cd $MW_HOME/wlserver/common/bin
$./wlst.sh
Initializing WebLogic Scripting Tool (WLST) ...
Welcome to WebLogic Server Administration Scripting Shell
Type help() for help on available commands
wls:/offline> connect ('weblogic','weblogic1','t3://localhost:7001')
Connecting to t3://localhost:7001 with userid weblogic ...
Successfully connected to Admin Server "AdminServer" that belongs to domain "fod_domain".
Warning: An insecure protocol was used to connect to the
server. To ensure on-the-wire security, the SSL port or
Admin port should be used instead.
wls:/fod_domain/serverConfig> from java.io import File
wls:/fod_domain/serverConfig> from java.io import FileOutputStream
wls:/fod_domain/serverConfig> f = File("/scratch/aime1/tmp/wlst.log")
wls:/fod_domain/serverConfig> fos = FileOutputStream(f)
wls:/fod_domain/serverConfig> theInterpreter.setOut(fos)
print "start the script"
listLoggers(target='MS_1')
Note that we typed CTRL-D to exit from WLST at the end.
The Output
Here is the output from the getLogLevel command (note that it lists messages levels of all loggers associated with a server named MS_1):
wls:/fod_domain/serverConfig> start the script
wls:/fod_domain/serverConfig> Location changed to domainRuntime tree. This is a read-only tree with DomainMBean as the root.
For more help, use help('domainRuntime')
-------------------------+-----------------
Logger | Level
-------------------------+-----------------
Security | < Inherited>
com | < Inherited>
com.oracle.coherence | TRACE:16
...
2 comments:
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Worked perfectly! The post is well written and helped a lot, many thanks!
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