OBM Jboss service can't start up after installing the OS patch for RHEL 7.9.

Environment

OBM 2020.10 IP1

Situation

After installing the OS patch on the RHEL 7.9, the OBM Jboss service can't start up.
in Jboss7_boot.log, it shows the error:

2024-05-03 14:31:39,346 - 2024-05-03 14:31:39,344 [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/opr-web]] (ServerService Thread Pool -- 46) ERROR - JBWEB000287: Exception sending context initialized event to listener instance of class org.codehaus.groovy.grails.web.context.GrailsContextLoaderListener: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'authenticatedAccess': Cannot resolve reference to bean 'eventSubmitterWs' while setting constructor argument; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'eventSubmitterWs': Invocation of init method failed; nested exception is java.lang.NullPointerException
2024-05-03 14:31:39,346 - at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:163) [jboss-as-web-7.5.22.jar:7.5.22]
2024-05-03 14:31:39,346 - at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:61) [jboss-as-web-7.5.22.jar:7.5.22]
2024-05-03 14:31:39,346 - at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:96) [jboss-as-web-7.5.22.jar:7.5.22]
2024-05-03 14:31:39,346 - at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,346 - at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,346 - at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,346 - at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,346 - at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,346 - at org.jboss.threads.JBossThread.run(JBossThread.java:122)
2024-05-03 14:31:39,346 - Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'eventSubmitterWs': Invocation of init method failed; nested exception is java.lang.NullPointerException
2024-05-03 14:31:39,346 - ... 9 more
2024-05-03 14:31:39,346 - Caused by: java.lang.NullPointerException
2024-05-03 14:31:39,346 - at com.hp.opr.features.impl.AbstractFeatureService.refreshFeatureStatus(AbstractFeatureService.java:139) [opr-features.jar:11.01.016.008]
2024-05-03 14:31:39,346 - at com.hp.opr.features.impl.AbstractFeatureService.isFeatureEnabled(AbstractFeatureService.java:92) [opr-features.jar:11.01.016.008]
2024-05-03 14:31:39,346 - at com.hp.opr.common.ws.util.EventSubmitter.initFeatureInfo(EventSubmitter.java:92) [opr-common.jar:11.01.314]
2024-05-03 14:31:39,346 - at com.hp.opr.common.ws.util.EventSubmitter.init(EventSubmitter.java:74) [opr-common.jar:11.01.314]
2024-05-03 14:31:39,346 - ... 9 more
2024-05-03 14:31:39,346 - 
2024-05-03 14:31:39,350 - 2024-05-03 14:31:39,348 [javax.enterprise.resource.webcontainer.jsf.config] (ServerService Thread Pool -- 46) INFO  - Initializing Mojarra 2.1.28.SP11  for context '/opr-web'
2024-05-03 14:31:39,847 - 2024-05-03 14:31:39,846 [org.apache.catalina.core] (ServerService Thread Pool -- 46) ERROR - JBWEB001103: Error detected during context /opr-web start, will stop it
2024-05-03 14:31:39,859 - 2024-05-03 14:31:39,856 [org.jboss.msc.service.fail] (ServerService Thread Pool -- 46) ERROR - MSC000001: Failed to start service jboss.web.deployment.default-host./opr-web: org.jboss.msc.service.StartException in service jboss.web.deployment.default-host./opr-web: org.jboss.msc.service.StartException in anonymous service: JBAS018040: Failed to start context
2024-05-03 14:31:39,859 - at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:99)
2024-05-03 14:31:39,859 - at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,859 - at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,859 - at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,859 - at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,859 - at java.lang.Thread.run(Thread.java:748) [rt.jar:1.8.0_265]
2024-05-03 14:31:39,859 - at org.jboss.threads.JBossThread.run(JBossThread.java:122)
2024-05-03 14:31:39,859 - Caused by: org.jboss.msc.service.StartException in anonymous service: JBAS018040: Failed to start context
2024-05-03 14:31:39,859 - at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:168)
2024-05-03 14:31:39,859 - at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:61)
2024-05-03 14:31:39,859 - at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:96)

Cause

the RHEL patch affected the OBM license.

Read the knowledge article for resolution