Hi,
I have install Tomcat 8.5.51 today and found something wrong.
I have been using tomcat for last 5 years and never met this
kind of problem.
It would be appreciated if I could be advised.
Thank you.
System:
CentOS 7.7.1908
httpd 2.4.41 (community version)
httpd.conf:
(LoadModule proxy_ajp_module
lib64/httpd/modules/mod_proxy_ajp.so)
httpd-proxy.conf:
<Location /manager/>
ProxyPass ajp://localhost:8009/manager/
</Location>
tomcat 8.5.*
error log-----------
13-Feb-2020 17:13:12.523 重大 [main]
org.apache.catalina.core.StandardService.startInternal
Failed to start connector [Connector[AJP/1.3-8009]]
org.apache.catalina.LifecycleException:
プロトコルハンドラの起動に失敗しました ( 'fail to start
protocolhandler' in English )
at
org.apache.catalina.connector.Connector.startInternal(Connector.java:1057)
at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.core.StandardService.startInternal(StandardService.java:440)
at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:766)
at
org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.startup.Catalina.start(Catalina.java:688)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at
java.base/java.lang.reflect.Method.invoke(Method.java:567)
at
org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343)
at
org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
Caused by: java.lang.IllegalArgumentException: The
AJP Connector is configured with secretRequired="true" but
the secret attribute is either null or "". This combination
is not valid.
at
org.apache.coyote.ajp.AbstractAjpProtocol.start(AbstractAjpProtocol.java:274)
at
org.apache.catalina.connector.Connector.startInternal(Connector.java:1055)
... 12 more
Yours truly,
Kazuhiko Kohmoto
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