严重: A child container failed during start
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严重: A child container failed during start
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前言
- tomcat 8.5
- jdk 1.8
嚴重: A child container failed during start
啟動tomcat遇到錯誤 A child container failed during start。
問題原因
問題原因就是 A child container failed during start 。tomcat中的項目,就是 child container 。因此錯誤就是有項目啟動失敗了,至于是哪個,就自己分析吧。
項目啟動失敗的原因很多,但是只有 A child container failed during start 是 tomcat 拋出的(這句話的口氣,就是tomcat的口氣。即,還沒進到項目中呢)。碰到這個錯誤的時候,查找那些與tomcat項目的解決辦法就可以了。
我的問題是docBase指向的地址不存在(想將從其它服務器上移過來的tomcat先啟動起來看看,但沒把對應的項目移過來),如下:
<?xml version='1.0' encoding='utf-8'?> <Server port="1001" shutdown="SHUTDOWN"> <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" /><!-- <Listener className="org.apache.catalina.core.JasperListener" /> --><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="1011" protocol="HTTP/1.1"connectionTimeout="20000"maxThreads="3000" minSpareThreads="250" acceptCount="2000" enableLookups="false" compression="on" URIEncoding="UTF-8"compressionMinSize="2048" noCompressionUserAgents="gozilla,traviata" compressableMimeType="text/html,text/xml,text/css,text/plain,text/javascript,application/x-javascript,application/javascript" /><Engine name="Catalina" defaultHost="localhost"><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"xmlValidation="false" xmlNamespaceAware="false"><Context path="/" docBase="/data/htdocs/xxx_web" allowLinking="true" reloadable="false"privileged="true" ></Context> <!-- <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> 與50位技術專家面對面20年技術見證,附贈技術全景圖總結
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