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How many instances of a Servlet filter will there be within the container
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Pat Farrell
Rancher
Joined: Aug 11, 2007
Posts: 4422
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Supposed I have a LoginFilter, defined the usual way:
public class LoginFilter implements Filter, Servlet {
Its executed for every URL that goes through the container (tomcat, glassfish, etc.)
How many "LoginFilter" objects are in the VM? Just one? one per thread? perhaps a pool is kept by the container and managed by it?
Related: does the LoginFilter have to be thread safe?
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ntumba lobo
Ranch Hand
Joined: Oct 21, 2008
Posts: 179
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the default is one instance per jvm
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SCJP 5 , SCWCD 5, SCEA 5
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subject: How many instances of a Servlet filter will there be within the container
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