How to Fix the Error "Instrumentation Constraint Violated" Reported in Weblogic Server Logs (Doc ID 2547014.1)

Last updated on OCTOBER 18, 2022

Applies to:

Symptoms

"Instrumentation constraint violated" messages are seen repeatedly in every weblogic server log file. How to fix this error?

ERROR An unexpected error occurred which may cause undesired behavior. You may want to contact customer support if you see this error again: Instrumentation constraint violated:
{
  weblogic.rjvm.BasicOutboundRequest.sendAsync(Lweblogic/rmi/spi/AsyncCallback;)V: isRun=true, isModified=true
 [AND]
  weblogic.rjvm.BasicOutboundRequest.sendOneWay()V: isRun=true, isModified=true
 [AND]
  weblogic.rjvm.BasicOutboundRequest.sendReceive()Lweblogic/rmi/spi/InboundResponse;: isRun=true, isModified=true
 [AND]
  weblogic.utils.collections.Stack: isRun=true, isModified=true
 [AND]
  weblogic.rjvm.InboundMsgAbbrev: isRun=true, isModified=true
 [AND]
  weblogic.rjvm.BasicOutboundRequest: isRun=true, isModified=true
 [AND]
  weblogic.rjvm.MsgAbbrevOutputStream: isRun=true, isModified=true
 [AND]
  weblogic.rjvm.MsgAbbrevInputStream: isRun=true, isModified=true
 [AND]
  weblogic.iiop.OutboundRequestImpl.flush()V: isRun=true, isModified=true
 [AND]
  weblogic.iiop.IIOPOutputStream.getSize()I: isRun=true, isModified=true
 [AND]
  weblogic.iiop.OutboundRequestImpl: isRun=true, isModified=true
 [AND]
  {
  weblogic.iiop.OutboundResponseImpl: isRun=false, isModified=false
  [XOR]
  weblogic.iiop.server.OutboundResponseImpl: isRun=true, isModified=true
  }
 [AND]
  {
  weblogic.iiop.InboundRequestImpl: isRun=false, isModified=false
  [XOR]
  weblogic.iiop.server.InboundRequestImpl: isRun=true, isModified=true
  }
 [AND]
  weblogic.iiop.RequestMessage: isRun=false, isModified=false
 [AND]
  weblogic.iiop.ReplyMessage: isRun=false, isModified=false
}; Instrumentor: com.quest.pas.agent.plugin.instrumentor.registered.rmi.WebLogic81RMIInstrumentor

Due to this issue, weblogic server instance log files are filled with "Instrumentation constraint violated" messages

Changes

Cause

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