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jakarta-eeopensymphony

empty clickstreams in J2EE webapp - what is the cause?

I've added Opensymphony Clickstreams to my Java 6/Tomcat webapp, and created an interface for administrators to view the collected metadata. What I don't understand is that sometimes, in addition to the usual streams, there are 'null' streams in the ServletContext. These have all-empty values, for example:

Initial Referrer: null
Hostname: null
Session ID: 73537910A647115A403A7690D1F69DD2
Bot: No
Stream Start: Tue Oct 01 02:48:11 BST 2013
Last Request: Tue Oct 01 02:48:11 BST 2013
Session Length: 
# of Requests: 0

can anyone tell me what these empty Streams represent and how they are caused?

Solution

  • I believe these are being caused by Bots which are not identified (yet) in the Clickstream framework.