A fix is available
APAR status
Closed as program error.
Error description
UMS startup crash: null charset passed to InputStreamReader during z/OSMF validation. After z/OS APAR PH66874, z/OSMF no longer includes a Content-Type header in certain responses, triggering this latent bug. Exception in thread "main" java.lang.NullPointerException: charsetName at java.io.InputStreamReader.<init> (InputStreamReader.java:120) at com.rocketsoft.webservices.rest.client.WebServiceCallRespons e.getContentAsString(SourceFile:231) at com.rocketsoft.newton.utilities.ServiceInitializationWaiter. attemptServiceInitialization(SourceFile:91) at com.rocketsoft.newton.utilities.ServiceInitializationWaiter. attemptServiceInitialization(SourceFile:58) at com.rocketsoft.newton.utilities.ServiceInitializationWaiter. attemptZosmfServiceInitialization(SourceFile:263) at com.rocketsoft.newton.utilities.NewtonConfigurationValidator Test.validate(SourceFile:109) at com.rocketsoft.newton.utilities.NewtonConfigurationValidator .validateAll(SourceFile:112) at com.rocketsoft.newton.utilities.NewtonConfigurationValidator .validateAll(SourceFile:91) at com.rocketsoft.newton.server.NewtonServer.main(SourceFile:301)
Local fix
setting validateAtStart to false in ZWEYAML components: izp: server: validation: validateAtStart: false
Problem summary
**************************************************************** * PROBLEM DESCRIPTION: UMS startup crash: null charset passed * * to InputStreamReader during z/OSMF * * validation * **************************************************************** UMS startup crash: null charset passed to InputStreamReader during z/OSMF validation. After z/OS APAR PH66874, z/OSMF no longer includes a Content-Type header in certain responses, triggering this latent bug.
Problem conclusion
Apply the PTF provided by this APAR.
Temporary fix
Comments
APAR Information
APAR number
PH71603
Reported component name
UNIFIED MGMT SV
Reported component ID
5698UM100
Reported release
120
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-06-03
Closed date
2026-06-22
Last modified date
2026-07-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
IZPGEN00 IZPIPLUG IZPIVP IZPMIG00 IZPMNFST IZPSERVE IZPUI IZPYAML
Fix information
Fixed component name
UNIFIED MGMT SV
Fixed component ID
5698UM100
Applicable component levels
R120 PSY UO08337
UP26/06/26 P F606
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Business Unit":{"code":"BU011","label":"Systems - zSystems software"},"Product":{"code":"SG19M"},"Platform":[{"code":"PF054","label":"z Systems"}],"Version":"120"}]
Document Information
Modified date:
02 July 2026