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The wtrace command

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is used to diagnose problems in methods and executables by examining the method input, transactions, and method output. Trace data is stored in the odtrace.log file.

The file enables the trace data to be persistent across invocations of the object dispatcher. This file is a static 1 MB in size and resides in $DBDIR, (%DBDIR% for NT or OS/2).

The trace file size can be changed using the -t switch on the oserv command. You will need to manually start oserv in order to specify this switch. The rate at which odadmin data is written to the file depends on the oservís trace level. This section gives some directions on how to use wtrace to investigate method problems. More details on the command syntax and output format can be found in the Tivoli Framework Reference Manual.

Three types of methods can be tracked by oserv in the trace set with the odadmin trace command: errors Default setting. Records errors in the oservlog file. objcalls

Usual setting to use for problem determination. Trace object method invocation. services Track Authentication, Location, and Inheritance (ALI) services requested of the TMR Server. This will quickly fill a trace file.


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Here is how to to trace the uninstall.

On the ManagedNode:

  1. Source Tivoli Environment

  2. objcall 0.0.0 BEGIN

  3. Run the uninstall again

  4. objcall 0.0.0 END

  5. odstat > trace.txt

  6. wtrace -jHk %DBDIR% >> trace.txt



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