JR64196: STACKOVERFLOWEXCEPTION OCCURS IF TRACE IS ENABLED AND BPMRESTREQUEST IS USED IN A SCRIPT TASK

APAR status

• Closed as program error.

Error description

• If you use BPMRESTRequest within a script activity and enable
  trace for the classes ScriptableJSONUtil and
  BPMRESTRequestScriptable a StackoverflowException occurs:
  
  [10/6/21 0:16:20:429 CEST] 000000bb
  .lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean E
  An exception occurred in Service Flow with name "sf_1". Details:
  com.lombardisoftware.component.common.workflow.WorkflowProcessIt
  emException: An exception occurred in activity "Script Task" of
  "Service Flow" with name "sf_1". Task instance id "Task.353".
  Details: "Runtime error in script ("Process: 'sf_1' ProcessItem:
  'Script Task' Type: 'ITEM'" -1:-1). Internal Script error:
  java.lang.StackOverflowError
  ".
      at
  com.lombardisoftware.component.common.workflow.ExecutionJob.crea
  teWorkflowProcessItemException(ExecutionJob.java:670)
      at
  com.lombardisoftware.component.common.workflow.ExecutionJob.doJo
  b(ExecutionJob.java:525)
      at
  com.lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean.
  doResumeWorkflowEngine(EJBWorkflowManagerBean.java:1602)
      at
  com.lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean.
  doResumeWorkflowEngine(EJBWorkflowManagerBean.java:717)
      at
  com.lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean.
  resumeTask(EJBWorkflowManagerBean.java:374)
      at
  com.lombardisoftware.server.ejb.workflow.EJBWorkflowManagerBean.
  resumeTask(EJBWorkflowManagerBean.java:338)
      at
  com.lombardisoftware.server.ejb.workflow.EJSLocalStatefulEJBWork
  flowManager_9907b2e2.resumeTask(EJSLocalStatefulEJBWorkflowManag
  er_9907b2e2.java)
      at
  com.ibm.bpm.rest.impl.service.ServiceRunner$EJBWorkflowManagerWr
  apper.resumeTask(ServiceRunner.java:691)
      at
  com.ibm.bpm.rest.impl.service.ServiceRunner$TaskRunner.runServic
  e(ServiceRunner.java:1383)
      at
  com.ibm.bpm.rest.impl.service.StartActionHandler.handleActionGet
  Model(StartActionHandler.java:362)
      at
  com.ibm.bpm.rest.impl.playback.ServicePlaybackResourceImpl.creat
  eServicePlayback(ServicePlaybackResourceImpl.java:141)
      at
  com.ibm.bpm.rest.impl.playback.ServicePlaybackResource.createSer
  vicePlayback(ServicePlaybackResource.java:115)
      ....
      Caused by: java.lang.StackOverflowError
      at
  com.lombardisoftware.core.script.js.BPMRESTRequestScriptable.toS
  tring(BPMRESTRequestScriptable.java:303)
      at
  java.text.MessageFormat.subformat(MessageFormat.java:1291)
      at java.text.MessageFormat.format(MessageFormat.java:876)
      at java.text.Format.format(Format.java:168)
      at java.text.MessageFormat.format(MessageFormat.java:852)
      at
  com.ibm.ws.logging.internal.impl.BaseTraceFormatter.formatMessag
  e(BaseTraceFormatter.java:301)
      at
  com.ibm.ws.logging.internal.impl.BaseTraceFormatter.formatVerbos
  eMessage(BaseTraceFormatter.java:373)
      at
  com.ibm.ws.logging.internal.impl.BaseTraceService.publishTraceLo
  gRecord(BaseTraceService.java:1055)
      at
  com.ibm.ws.logging.internal.impl.BaseTraceService.publishLogReco
  rd(BaseTraceService.java:1026)
      at
  com.ibm.ws.logging.internal.impl.BaseTraceService$2.publish(Base
  TraceService.java:285)
      at java.util.logging.Logger.log(Logger.java:749)
      at
  com.ibm.ws.logging.internal.WsLogger.log(WsLogger.java:138)
      at
  com.ibm.ws.logging.internal.WsLogger.logp(WsLogger.java:336)
      at
  com.ibm.ws.logging.internal.WsLogger.entering(WsLogger.java:443)
      at
  com.lombardisoftware.core.script.js.util.ScriptableJSONUtil.getP
  ropertyAsJSONObject(ScriptableJSONUtil.java:45)
      at
  com.lombardisoftware.core.script.js.BPMRESTRequestScriptable.get
  Headers(BPMRESTRequestScriptable.java:214)
      at
  com.lombardisoftware.core.script.js.BPMRESTRequestScriptable.toS
  tring(BPMRESTRequestScriptable.java:307)
      ....
  
  
  PRODUCTS AFFECTED
  IBM Business Automation Workflow
  IBM Cloud Pak for Business Automation
  

Local fix

• Disable the trace for either ScriptableJSONUtil or
  BPMRESTRequestScriptable by setting the trace specification to
  WLE.wle_js_impl.ScriptableJSONUtil=info or
  WLE.wle_js_impl.BPMRESTRequestScriptable=info.
  

Problem summary

•   No additional information is available.
  
    PRODUCTS AFFECTED
    IBM Business Automation Workflow
    IBM Cloud Pak for Business Automation
  

Problem conclusion

• A fix is available or will be available that prevents the
  StackOverflowException.
  

Temporary fix

• Not applicable.
  

Comments

APAR Information

• 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

  BUS AUTO WORKFL

• Fixed component ID

  5737H4100

Applicable component levels