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The "HowTo/FasterStartUp" page has been changed by OgnjenBlagojevic:
https://wiki.apache.org/tomcat/HowTo/FasterStartUp?action=diff&rev1=24&rev2=25

Comment:
Typo (JanScanFilter)

  
  In Tomcat 7 JAR files can be excluded from scanning by listing their names or 
name patterns in a 
[[http://tomcat.apache.org/tomcat-7.0-doc/config/systemprops.html#JAR_Scanning|system
 property]]. Those are usually configured in the `conf/catalina.properties` 
file.
  
- In Tomcat 8 there are several options available. You can use a 
[[http://tomcat.apache.org/tomcat-8.0-doc/config/systemprops.html#JAR_Scanning|system
 property]] or configure a `<JanScanFilter>` 
[[http://tomcat.apache.org/tomcat-8.0-doc/config/jar-scan-filter.html| 
element]] in the 
[[http://tomcat.apache.org/tomcat-8.0-doc/config/context.html|context file]] of 
your web application.
+ In Tomcat 8 there are several options available. You can use a 
[[http://tomcat.apache.org/tomcat-8.0-doc/config/systemprops.html#JAR_Scanning|system
 property]] or configure a `<JarScanFilter>` 
[[http://tomcat.apache.org/tomcat-8.0-doc/config/jar-scan-filter.html| 
element]] in the 
[[http://tomcat.apache.org/tomcat-8.0-doc/config/context.html|context file]] of 
your web application.
  
  == Entropy Source ==
  Tomcat 7+ heavily relies on !SecureRandom class to provide random values for 
its session ids and in other places. Depending on your JRE it can cause delays 
during startup if entropy source that is used to initialize !SecureRandom is 
short of entropy. You will see warning in the logs when this happens, e.g.:

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