Datacom System REST API and JAVA 21

Products

• Datacom

Issue/Introduction

Starting the Datacom  System REST API job on USS fails with 

 BRSA112E Datacom Systems REST API startup failed .

Job log shows : java.lang.IllegalStateException: Unable to load cache item  

Environment

Z/OS USS

Datacom System REST API 

Resolution

Add the following lines:
IJO="$IJO --add-opens=java.base/java.nio.channels.spi=ALL-UNNAMED"
IJO="$IJO --add-opens=java.base/sun.nio.ch=ALL-UNNAMED"
IJO="$IJO --add-opens=java.base/java.io=ALL-UNNAMED"
IJO="$IJO --add-opens=java.base/java.lang=ALL-UNNAMED"
IJO="$IJO --add-opens=java.base/java.lang.invoke=ALL-UNNAMED"
IJO="$IJO --add-opens=ibm.jzos/com.ibm.jzos=ALL-UNNAMED"

before the line:
export IBM_JAVA_OPTIONS="${IJO}"

and resubmit the JCL.