Receiving Timed out errors when executing piped commands (output redirection) using Custom:execute methods (execute, executeForString, executeForNumber).
Article ID: KB0092376
Updated On:
| Products | Versions |
|---|---|
| TIBCO Hawk | - |
| Not Applicable | - |
Description
Resolution:
When you call an executable using one of the execute methods of the Custom microagent, you cannot use redirection (|), multiple command (;) or append characters (> and >>). You can create a separate script that includes a command with these characters, then call that script from the microagent method.
This is mentioned in the Hawk document -> Administrator's Guide -> Chapter 9 Performing Common Monitoring Tasks : Monitoring with Custom Scripts -> Tips on Monitoring Custom Scripts.
For example, if you execute the command: "ls -l | wc -l" from the Custom:executeForNumber directly. You will receive an error message:
MicroAgent returned error.
Instead, you should create a script to include this command and echo the result to stdout. The script could resemble the following:
#!/usr/bin/sh
RESULT=`ls -l | wc -l`
echo $RESULT
Issue/Introduction
Receiving Timed out errors when executing piped commands (output redirection) using Custom:execute methods (execute, executeForString, executeForNumber).
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