APAR status
Closed as program error.
Error description
Sometimes when starting the HTDS may fail with this exception [ERROR ] SRVE0271E: Uncaught init() exception created by servlet [RESTDecisionService] in application [DecisionService]: java.lang.RuntimeException: java.util.ConcurrentModificationException at com.ibm.rules.htds.servlet.DecisionServiceManager.getContro llerInstance(DecisionServiceManager.java:61) at com.ibm.rules.htds.servlet.RESTDecisionServiceServlet.init( RESTDecisionServiceServlet.java:69) at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(Servlet Wrapper.java:291) at [internal classes] at com.ibm.rules.htds.ResponseHeaderFilter.doFilter(ResponseHe aderFilter.java:76) at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilt er(FilterInstanceWrapper.java:201) at [internal classes] Caused by: java.util.ConcurrentModificationException at java.util.Hashtable$Enumerator.next(Hashtable.java:1506) at com.ibm.rules.htds.DecisionServiceController$1.accept(Decis ionServiceController.java:194) at com.ibm.rules.htds.DecisionServiceController$1.accept(Decis ionServiceController.java:157) at java.util.Spliterators$ArraySpliterator.forEachRemaining(Sp literators.java:959) at java.util.stream.ReferencePipeline$Head.forEach(ReferencePi peline.java:591) at com.ibm.rules.htds.DecisionServiceController.setConfigurati onProperties(DecisionServiceController.java:157) at com.ibm.rules.htds.DecisionServiceController.<init>(Decisio nServiceController.java:151) at com.ibm.rules.htds.DecisionServiceController.createControll er(DecisionServiceController.java:263) at com.ibm.rules.htds.DecisionServiceController.getInstance(De cisionServiceController.java:256) at com.ibm.rules.htds.DecisionServiceInitializer.decisionservi ceInitialized(DecisionServiceInitializer.java:72) at com.ibm.rules.htds.DecisionServiceInitializer.decisionServi ceInitialized(DecisionServiceInitializer.java:49) at com.ibm.rules.htds.servlet.DecisionServiceManager.contextIn itialized(DecisionServiceManager.java:39) at com.ibm.ws.webcontainer.webapp.WebApp.notifyServletContextC reated(WebApp.java:2417)
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * Users starting HTDS. * **************************************************************** * PROBLEM DESCRIPTION: * * Sometimes when starting the HTDS may fail with this * * exception * * * * [ERROR ] SRVE0271E: Uncaught init() exception created by * * servlet [RESTDecisionService] in application * * [DecisionService]: * * java.lang.RuntimeException: * * java.util.ConcurrentModificationException * * at * * com.ibm.rules.htds.servlet.DecisionServiceManager.getContro * * llerInstance(DecisionServiceManager.java:61) * * at * * com.ibm.rules.htds.servlet.RESTDecisionServiceServlet.init( * * RESTDecisionServiceServlet.java:69) * * at * * com.ibm.ws.webcontainer.servlet.ServletWrapper.init(Servlet * * Wrapper.java:291) * * at [internal classes] * * at * * com.ibm.rules.htds.ResponseHeaderFilter.doFilter(ResponseHe * * aderFilter.java:76) * * at * * com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilt * * er(FilterInstanceWrapper.java:201) * * at [internal classes] * * Caused by: java.util.ConcurrentModificationException * * at java.util.Hashtable$Enumerator.next(Hashtable.java:1506) * * at * * com.ibm.rules.htds.DecisionServiceController$1.accept(Decis * * ionServiceController.java:194) * * at * * com.ibm.rules.htds.DecisionServiceController$1.accept(Decis * * ionServiceController.java:157) * * at * * java.util.Spliterators$ArraySpliterator.forEachRemaining(Sp * * literators.java:959) * * at * * java.util.stream.ReferencePipeline$Head.forEach(ReferencePi * * peline.java:591) * * at * * com.ibm.rules.htds.DecisionServiceController.setConfigurati * * onProperties(DecisionServiceController.java:157) * * at * * com.ibm.rules.htds.DecisionServiceController.<init>(Decisio * * nServiceController.java:151) * * at * * com.ibm.rules.htds.DecisionServiceController.createControll * * er(DecisionServiceController.java:263) * * at * * com.ibm.rules.htds.DecisionServiceController.getInstance(De * * cisionServiceController.java:256) * * at * * com.ibm.rules.htds.DecisionServiceInitializer.decisionservi * * ceInitialized(DecisionServiceInitializer.java:72) * * at * * com.ibm.rules.htds.DecisionServiceInitializer.decisionServi * * ceInitialized(DecisionServiceInitializer.java:49) * * at * * com.ibm.rules.htds.servlet.DecisionServiceManager.contextIn * * itialized(DecisionServiceManager.java:39) * * at * * com.ibm.ws.webcontainer.webapp.WebApp.notifyServletContextC * * reated(WebApp.java:2417) * **************************************************************** * RECOMMENDATION: * ****************************************************************
Problem conclusion
Better handling of system properties.
Temporary fix
Comments
APAR Information
APAR number
RS03823
Reported component name
WS DECISION CTR
Reported component ID
5725B6900
Reported release
8A0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-07-16
Closed date
2021-08-04
Last modified date
2021-08-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WS DECISION CTR
Fixed component ID
5725B6900
Applicable component levels
[{"Line of Business":{"code":"LOB45","label":"Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSQP76","label":"IBM Operational Decision Manager"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8A0"}]
Document Information
Modified date:
05 August 2021