王 静凯,
On 1/4/22 00:46, 王 静凯 wrote:
Hi,
I use httpServletRequest.getServerPort() to get the port in my jsp.
When the tomcat listen 8080 and nginx listen 80.
Nginx has set ‘proxy_set_header Host $http_host’.
What is the value of $http_host?
Then the port 80 mapping to Internet via 10001.
Use httpServletRequest.getHeader(“Host”) I can get the correct value of Host
header – “InternetIP:10001”.
But httpServletRequest.getServerPort() did not return 10001 and return 80.
How could I solve it？
Btw, to set proxyPort in connector can not take effect. But proxyName work.
Have you read about the RemoteIPValve?
Using tomcat 8.5.72 and jre 1.8.0_201 on CentOS7.2009
My server.xml:
````
<?xml version='1.0' encoding='utf-8'?>
<Server port="8005" shutdown="SHUTDOWN">
<Listener className="org.apache.catalina.startup.VersionLoggerListener" />
<Listener className="org.apache.catalina.core.AprLifecycleListener"
SSLEngine="on" />
<Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener"
/>
<Listener
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<Listener
className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
<GlobalNamingResources>
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
</GlobalNamingResources>
<Service name="Catalina">
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" maxHttpHeaderSize="8192" maxThreads="4000" minSpareThreads="1000"
maxSpareThreads="2000" enableLookups="false" acceptCount="2000" URIEncoding="UTF-8" maxPostSize="4194304" />
<Engine name="Catalina" defaultHost="localhost" startStopThreads="0">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm"
resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="webapps"
unpackWARs="true" autoDeploy="true" startStopThreads="0">
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="logs"
prefix="localhost_access_log." suffix=".txt"
pattern="%h %l %u %t "%r" %s %b" />
</Host>
</Engine>
</Service>
</Server>
````
getServerPort
int getServerPort()
Returns the port number to which the request was sent. It is the value of the part after
":" in the Host header value, if any, or the server port where the client
connection was accepted on.
Returns:
an integer specifying the port number
Can you dump the values of ALL headers on the Tomcat side and post them?
-chris
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