当我在conf/server.xml中指定多个主机标记时，servlet上下文将加载两次。它是基于spring的web应用程序。我对弹簧ContextLoader进行了加长和定制。
My server.xml (tomcat 7.0.22)
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true">
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="/mnt/databank/logs/tomcat7"
prefix="localhost_access_log." suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" resolveHosts="false"/>
</Host>
<Host name="domain.com" appBase="webapps/Domain"
unpackWARs="true" autoDeploy="true"
>
<Context path="" docBase="."/>
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="/mnt/databank/logs/tomcat7"
prefix="localhost_access_log." suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" resolveHosts="false"/>
<Context docBase="/mnt/databank/posters" path="/Domain/posters"/>
<Context docBase="/mnt/databank/advertisement" path="/Domain/advertisement"/>
<Context docBase="/mnt/databank/star" path="/Domain/star"/>
</Host>
<Host name="www.domain.com" appBase="webapps/Redirecter"
unpackWARs="true" autoDeploy="true">
<Context path="" docBase="."/>
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="/mnt/databank/logs/tomcat7"
prefix="localhost_access_log." suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" resolveHosts="false"/>
</Host>
我在ContextLoader中添加了一个日志，它触发了两次，如下所示，
2011-10-21 12:11:22,933 ERROR [Thread-2] c.i.b.u.DomainUtilInitializer [DomainUtilInitializer.java:38] Init Method Triggered
2011-10-21 12:11:46,621 ERROR [Thread-15] c.i.b.u.DomainUtilInitializer [DomainUtilInitializer.java:38] Init Method Triggered
这似乎应该是预期的行为—您已经将Tomcat配置为运行应用程序两次，每台主机运行一次。你想要什么?如果您希望web应用程序的单个实例运行，那么您不应该像这样配置两个<host>s -我相信您可以为单个/默认<Host>添加主机名别名。