Question & Answer
Question
How do I get more information about an error that occurred on my IBM i system?
Answer
If you turn on Toolbox tracing, that may give you enough additional info to determine what's wrong.
If an IBM i program or command failed, examine the messages returned by your ProgramCall or CommandCall object. Call the getMessageList() method and examine each returned AS400Message object. Hint: Call the load() method on the AS400Message object before examining it.
The other place to get error information is in the job log of the appropriate "Host Server". The Toolbox communicates with the IBM i system through Host Servers, which are jobs running on the IBM i that listen for requests and forward them on to IBM i.
The table below lists the job names for each Host Server.
Hint: To view job logs, signon to the IBM i system, do WRKACTJOB, and press F14 to include prestart jobs in the listing.
Note: There may be several instances of each kind of Host Server running on your system, so you may need to look through a few job logs before finding the right one.
| Toolbox Component | Host server name | Job | Notes |
|---|---|---|---|
| Connect | Signon host server | QUSRWRK/QZSOSIGN | (1) |
| ProgramCall, CommandCall | Remote Command host server | QUSRWRK/QZRCSRVS | (1) |
| DataQueue | Data Queue host server | QUSRWRK/QZHQSSRV | (1) |
| (various) | Central server | QUSRWRK/QZSCSRVS | (1) (4) |
| Record-Level Access | DDM host server | QUSRWRK/QRWTSRVR | (2) |
| Network Print server | QUSRWRK/QNPSERVS | ||
| JDBC | Database server | QUSRWRK/QZDASOINIT | (3) |
| IFS | File server | QSERVER/QPWFSERVSO | |
| NetServer | NetServer server | QSERVER/QZLSSERVER |
Notes: The Central server is used for license management, obtaining CCSID maps, etc.
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Product Synonym
IBM i;AS400
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Document Information
Modified date:
17 March 2020
UID
ibm11117905