Return
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Title
Duplicate field name&signature in class file -
Description
Weblogic intrumentation failed with an ERROR as shown below:YYYY-MM-DD HH:MIN:SEC ERROR An unexpected error occurred which may cause undesired behavior. You may want to contact customer support if you see this error again: Could not find entry callback insertion point in weblogic.net.http.HttpURLConnection.getInputStream()Ljava/io/InputStream; <YYYY-MM-DD HH:MIN:SECPM GST> <Critical> <WebLogicServer> <BEA-000386> <Server subsystem failed. Reason: java.lang.ClassFormatError: Duplicate field name&signature in class file weblogic/servlet/internal/ServletRequestImpl -
Cause
duplicate instrumentaion options in the startup script -
Resolution
Go to startup file of the application server.
Remove all the lines that has keyword PERFORMASURE.
Save the startup script.
Restart the application server.