In the Tomcat server.xml file, the Connector element also has an attribute connectionTimeoutin milliseconds.
Example:
<Connector
URIEncoding="UTF-8"
acceptCount="100"
connectionTimeout="20000"
disableUploadTimeout="true"
enableLookups="false"
maxHttpHeaderSize="8192"
maxSpareThreads="75"
maxThreads="150"
minSpareThreads="25"
port="7777"
redirectPort="8443" />
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