Unable to list dataset and USS files using ZOWE explorer

Products

• Zowe

Issue/Introduction

Attempting to use Zowe Explorer via zosmf.  Able to list jobs, but not able to list MVS datasets or USS files/directories.  Attempts to list result in:

Retrieving response from MVS list API Error: Rest API failure with HTTP(S) status 500 | XXXX LOGON IN PROGRESS AT 12:12:05 ON NOVEMBER 5, 2024 | IEFA107I XXXX IZUFPROC IZUFPROC SYSEXEC - DATA SET ISP.SISPEXEC NOT FOUND | login: timeout: TsoServerConnection(USER=XXXX, ASID=XXXX, QID=XXXX)

The same logon proc IZUFPROC in Zowe profile is used for standard TSO sign on. 

Environment

Vscode ZOWE explorer v1.9.0

Cause

For TSO SERVLET EXCEPTION error, check that the the z/OSMF installation step of creating a valid IZUFPROC procedure in system PROCLIB has been completed.

Resolution

Update IZUFPROC procedure in system PROCLIB.

Additional Information

For more information, check out Troubleshooting z/OS Services