Stream Overwritten errors
User observes many PEGA0031 StreamOverwritten errors in ALERT logs.
java;RULE-OBJ-ACTIVITY @BASECLASS SHOW-HARNESS #20120716T123943.212 GMT Step: 6 Circum: 0;doActivity Rule-Obj-Activity:Show-Harness;Call Show-Harness;RULE-OBJ-ACTIVITY MM-CSO-PSS-WORK-INTERACTION-PWEB OPENHARNESS #20120626T151647.805 GMT Step: 11 Circum: 0;2 additional frames in stack;
Steps to Reproduce
Open the CPM Portal and navigate between Tabs in the Application.
You get PEGA0031 alert when the generated stream has been overwritten without being sent to a browser client. The processing steps used to create the stream is wasted, since the stream was not sent.
For example, when a user starts the interaction and establishes a connection to the system, pxHTMLStream ( property which stores the HTML stream) does not exist. When an activity is called to display the stream (Show-Html, Show-Harness) it sends HTML content to the user, now it verifies whether pxHTMLStream exists or not.
PEGA0031 alert occurs if the Show-Html/Show-Harness method detects that the property pxHTMLStream already exists, which means there was a redundant call.
Refere the below PDN link to know the troubleshooting tips.
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