⒈忽略tomcat的context-path

　　方式一：

　　　　停止tomcat服务，删除tomcat安装目录的webapps目录下的ROOT目录，将打成的WAR包重命名为ROOT.war，重启tomcat服务，tomcat将自动解压部署。

　　方式二：

　　　　为当前war包指定context-path为/

　　　　编辑tomcat安装目录的conf目录下的service.xml文件，在<Host>节点下添加如下内容

  1. <Context path="/" docBase="warName" debug="0" reloadable="true"></Context>

　　　　完整代码如下：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!--
  3.   Licensed to the Apache Software Foundation (ASF) under one or more
  4.   contributor license agreements.  See the NOTICE file distributed with
  5.   this work for additional information regarding copyright ownership.
  6.   The ASF licenses this file to You under the Apache License, Version 2.0
  7.   (the "License"); you may not use this file except in compliance with
  8.   the License.  You may obtain a copy of the License at
  9.  
  10.       http://www.apache.org/licenses/LICENSE-2.0
  11.  
  12.   Unless required by applicable law or agreed to in writing, software
  13.   distributed under the License is distributed on an "AS IS" BASIS,
  14.   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15.   See the License for the specific language governing permissions and
  16.   limitations under the License.
  17. -->
  18. <!-- Note:  A "Server" is not itself a "Container", so you may not
  19.      define subcomponents such as "Valves" at this level.
  20.      Documentation at /docs/config/server.html
  21.  -->
  22. <Server port="8005" shutdown="SHUTDOWN">
  23.   <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
  24.   <!-- Security listener. Documentation at /docs/config/listeners.html
  25.   <Listener className="org.apache.catalina.security.SecurityListener" />
  26.   -->
  27.   <!--APR library loader. Documentation at /docs/apr.html -->
  28.   <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
  29.   <!-- Prevent memory leaks due to use of particular java/javax APIs-->
  30.   <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  31.   <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  32.   <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
  33.  
  34.   <!-- Global JNDI resources
  35.        Documentation at /docs/jndi-resources-howto.html
  36.   -->
  37.   <GlobalNamingResources>
  38.     <!-- Editable user database that can also be used by
  39.          UserDatabaseRealm to authenticate users
  40.     -->
  41.     <Resource name="UserDatabase" auth="Container"
  42.               type="org.apache.catalina.UserDatabase"
  43.               description="User database that can be updated and saved"
  44.               factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
  45.               pathname="conf/tomcat-users.xml" />
  46.   </GlobalNamingResources>
  47.  
  48.   <!-- A "Service" is a collection of one or more "Connectors" that share
  49.        a single "Container" Note:  A "Service" is not itself a "Container",
  50.        so you may not define subcomponents such as "Valves" at this level.
  51.        Documentation at /docs/config/service.html
  52.    -->
  53.   <Service name="Catalina">
  54.  
  55.     <!--The connectors can use a shared executor, you can define one or more named thread pools-->
  56.     <!--
  57.     <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
  58.         maxThreads="150" minSpareThreads="4"/>
  59.     -->
  60.  
  61.     <!-- A "Connector" represents an endpoint by which requests are received
  62.          and responses are returned. Documentation at :
  63.          Java HTTP Connector: /docs/config/http.html
  64.          Java AJP  Connector: /docs/config/ajp.html
  65.          APR (HTTP/AJP) Connector: /docs/apr.html
  66.          Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
  67.     -->
  68.     <Connector port="8080" protocol="HTTP/1.1"
  69.                connectionTimeout="20000"
  70.                redirectPort="8443" />
  71.     <!-- A "Connector" using the shared thread pool-->
  72.     <!--
  73.     <Connector executor="tomcatThreadPool"
  74.                port="8080" protocol="HTTP/1.1"
  75.                connectionTimeout="20000"
  76.                redirectPort="8443" />
  77.     -->
  78.     <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443
  79.          This connector uses the NIO implementation. The default
  80.          SSLImplementation will depend on the presence of the APR/native
  81.          library and the useOpenSSL attribute of the
  82.          AprLifecycleListener.
  83.          Either JSSE or OpenSSL style configuration may be used regardless of
  84.          the SSLImplementation selected. JSSE style configuration is used below.
  85.     -->
  86.     <!--
  87.     <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
  88.                maxThreads="150" SSLEnabled="true">
  89.         <SSLHostConfig>
  90.             <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
  91.                          type="RSA" />
  92.         </SSLHostConfig>
  93.     </Connector>
  94.     -->
  95.     <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
  96.          This connector uses the APR/native implementation which always uses
  97.          OpenSSL for TLS.
  98.          Either JSSE or OpenSSL style configuration may be used. OpenSSL style
  99.          configuration is used below.
  100.     -->
  101.     <!--
  102.     <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol"
  103.                maxThreads="150" SSLEnabled="true" >
  104.         <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
  105.         <SSLHostConfig>
  106.             <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
  107.                          certificateFile="conf/localhost-rsa-cert.pem"
  108.                          certificateChainFile="conf/localhost-rsa-chain.pem"
  109.                          type="RSA" />
  110.         </SSLHostConfig>
  111.     </Connector>
  112.     -->
  113.  
  114.     <!-- Define an AJP 1.3 Connector on port 8009 -->
  115.     <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
  116.  
  117.     <!-- An Engine represents the entry point (within Catalina) that processes
  118.          every request.  The Engine implementation for Tomcat stand alone
  119.          analyzes the HTTP headers included with the request, and passes them
  120.          on to the appropriate Host (virtual host).
  121.          Documentation at /docs/config/engine.html -->
  122.  
  123.     <!-- You should set jvmRoute to support load-balancing via AJP ie :
  124.     <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
  125.     -->
  126.     <Engine name="Catalina" defaultHost="localhost">
  127.  
  128.       <!--For clustering, please take a look at documentation at:
  129.           /docs/cluster-howto.html  (simple how to)
  130.           /docs/config/cluster.html (reference documentation) -->
  131.       <!--
  132.       <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
  133.       -->
  134.  
  135.       <!-- Use the LockOutRealm to prevent attempts to guess user passwords
  136.            via a brute-force attack -->
  137.       <Realm className="org.apache.catalina.realm.LockOutRealm">
  138.         <!-- This Realm uses the UserDatabase configured in the global JNDI
  139.              resources under the key "UserDatabase".  Any edits
  140.              that are performed against this UserDatabase are immediately
  141.              available for use by the Realm.  -->
  142.         <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
  143.                resourceName="UserDatabase"/>
  144.       </Realm>
  145.  
  146.       <Host name="localhost"  appBase="webapps"
  147.             unpackWARs="true" autoDeploy="true">
  148.  
  149.         <!-- SingleSignOn valve, share authentication between web applications
  150.              Documentation at: /docs/config/valve.html -->
  151.         <!--
  152.         <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
  153.         -->
  154.  
  155.         <!-- Access log processes all example.
  156.              Documentation at: /docs/config/valve.html
  157.              Note: The pattern used is equivalent to using pattern="common" -->
  158.         <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
  159.                prefix="localhost_access_log" suffix=".txt"
  160.                pattern="%h %l %u %t &quot;%r&quot; %s %b" />
  161.         <Context path="/" docBase="warName" debug="0" reloadable="true"></Context>
  162.       </Host>
  163.     </Engine>
  164.   </Service>
  165. </Server>

　　方式三：

　　将Host节点的appBase属性设置为空，添加Context节点，将reloadable属性设置为false

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!--
  3.   Licensed to the Apache Software Foundation (ASF) under one or more
  4.   contributor license agreements.  See the NOTICE file distributed with
  5.   this work for additional information regarding copyright ownership.
  6.   The ASF licenses this file to You under the Apache License, Version 2.0
  7.   (the "License"); you may not use this file except in compliance with
  8.   the License.  You may obtain a copy of the License at
  9.  
  10.       http://www.apache.org/licenses/LICENSE-2.0
  11.  
  12.   Unless required by applicable law or agreed to in writing, software
  13.   distributed under the License is distributed on an "AS IS" BASIS,
  14.   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15.   See the License for the specific language governing permissions and
  16.   limitations under the License.
  17. -->
  18. <!-- Note:  A "Server" is not itself a "Container", so you may not
  19.      define subcomponents such as "Valves" at this level.
  20.      Documentation at /docs/config/server.html
  21.  -->
  22. <Server port="8005" shutdown="SHUTDOWN">
  23.   <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
  24.   <!-- Security listener. Documentation at /docs/config/listeners.html
  25.   <Listener className="org.apache.catalina.security.SecurityListener" />
  26.   -->
  27.   <!--APR library loader. Documentation at /docs/apr.html -->
  28.   <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
  29.   <!-- Prevent memory leaks due to use of particular java/javax APIs-->
  30.   <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  31.   <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  32.   <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
  33.  
  34.   <!-- Global JNDI resources
  35.        Documentation at /docs/jndi-resources-howto.html
  36.   -->
  37.   <GlobalNamingResources>
  38.     <!-- Editable user database that can also be used by
  39.          UserDatabaseRealm to authenticate users
  40.     -->
  41.     <Resource name="UserDatabase" auth="Container"
  42.               type="org.apache.catalina.UserDatabase"
  43.               description="User database that can be updated and saved"
  44.               factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
  45.               pathname="conf/tomcat-users.xml" />
  46.   </GlobalNamingResources>
  47.  
  48.   <!-- A "Service" is a collection of one or more "Connectors" that share
  49.        a single "Container" Note:  A "Service" is not itself a "Container",
  50.        so you may not define subcomponents such as "Valves" at this level.
  51.        Documentation at /docs/config/service.html
  52.    -->
  53.   <Service name="Catalina">
  54.  
  55.     <!--The connectors can use a shared executor, you can define one or more named thread pools-->
  56.     <!--
  57.     <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
  58.         maxThreads="150" minSpareThreads="4"/>
  59.     -->
  60.  
  61.     <!-- A "Connector" represents an endpoint by which requests are received
  62.          and responses are returned. Documentation at :
  63.          Java HTTP Connector: /docs/config/http.html
  64.          Java AJP  Connector: /docs/config/ajp.html
  65.          APR (HTTP/AJP) Connector: /docs/apr.html
  66.          Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
  67.     -->
  68.     <Connector port="10005" protocol="HTTP/1.1"
  69.                connectionTimeout="20000"
  70.                redirectPort="8443" maxPostSize="-1" />
  71.     <!-- A "Connector" using the shared thread pool-->
  72.     <!--
  73.     <Connector executor="tomcatThreadPool"
  74.                port="8080" protocol="HTTP/1.1"
  75.                connectionTimeout="20000"
  76.                redirectPort="8443" />
  77.     -->
  78.     <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443
  79.          This connector uses the NIO implementation. The default
  80.          SSLImplementation will depend on the presence of the APR/native
  81.          library and the useOpenSSL attribute of the
  82.          AprLifecycleListener.
  83.          Either JSSE or OpenSSL style configuration may be used regardless of
  84.          the SSLImplementation selected. JSSE style configuration is used below.
  85.     -->
  86.     <!--
  87.     <Connector port="8443" protocol="org.apache.coyote.http11.Http11NioProtocol"
  88.                maxThreads="150" SSLEnabled="true">
  89.         <SSLHostConfig>
  90.             <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
  91.                          type="RSA" />
  92.         </SSLHostConfig>
  93.     </Connector>
  94.     -->
  95.     <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
  96.          This connector uses the APR/native implementation which always uses
  97.          OpenSSL for TLS.
  98.          Either JSSE or OpenSSL style configuration may be used. OpenSSL style
  99.          configuration is used below.
  100.     -->
  101.     <!--
  102.     <Connector port="8443" protocol="org.apache.coyote.http11.Http11AprProtocol"
  103.                maxThreads="150" SSLEnabled="true" >
  104.         <UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
  105.         <SSLHostConfig>
  106.             <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
  107.                          certificateFile="conf/localhost-rsa-cert.pem"
  108.                          certificateChainFile="conf/localhost-rsa-chain.pem"
  109.                          type="RSA" />
  110.         </SSLHostConfig>
  111.     </Connector>
  112.     -->
  113.  
  114.     <!-- Define an AJP 1.3 Connector on port 8009 -->
  115.     <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
  116.  
  117.     <!-- An Engine represents the entry point (within Catalina) that processes
  118.          every request.  The Engine implementation for Tomcat stand alone
  119.          analyzes the HTTP headers included with the request, and passes them
  120.          on to the appropriate Host (virtual host).
  121.          Documentation at /docs/config/engine.html -->
  122.  
  123.     <!-- You should set jvmRoute to support load-balancing via AJP ie :
  124.     <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
  125.     -->
  126.     <Engine name="Catalina" defaultHost="localhost">
  127.  
  128.       <!--For clustering, please take a look at documentation at:
  129.           /docs/cluster-howto.html  (simple how to)
  130.           /docs/config/cluster.html (reference documentation) -->
  131.       <!--
  132.       <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
  133.       -->
  134.  
  135.       <!-- Use the LockOutRealm to prevent attempts to guess user passwords
  136.            via a brute-force attack -->
  137.       <Realm className="org.apache.catalina.realm.LockOutRealm">
  138.         <!-- This Realm uses the UserDatabase configured in the global JNDI
  139.              resources under the key "UserDatabase".  Any edits
  140.              that are performed against this UserDatabase are immediately
  141.              available for use by the Realm.  -->
  142.         <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
  143.                resourceName="UserDatabase"/>
  144.       </Realm>
  145.  
  146.       <Host name="localhost"  appBase=""
  147.             unpackWARs="true" autoDeploy="true">
  148.  
  149.         <!-- SingleSignOn valve, share authentication between web applications
  150.              Documentation at: /docs/config/valve.html -->
  151.         <!--
  152.         <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
  153.         -->
  154.  
  155.         <!-- Access log processes all example.
  156.              Documentation at: /docs/config/valve.html
  157.              Note: The pattern used is equivalent to using pattern="common" -->
  158.         <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
  159.                prefix="localhost_access_log" suffix=".txt"
  160.                pattern="%h %l %u %t &quot;%r&quot; %s %b" />
  161.         <Context path="" docBase="webapps/DeductGoodsManagerment" debug="0" reloadable="false"></Context>
  162.  
  163.       </Host>
  164.     </Engine>
  165.   </Service>
  166. </Server>

⒉新版Tomcat Cookies问题

　　错误问题：An invalid character [32] was present in the Cookie value

　　错误原因：Cookies中包含不被允许的空格。

　　错误截图：

　　引发此问题讨论的stackoverflow：https://stackoverflow.com/questions/38687210/error-with-cookie-value-when-adding-a-new-spring-session

　　解决方案：

　　　　将tomcat新版的cookies解决指定为旧版本的cookies解决方案。

　　　　停止tomcat服务，打开tomcat安装目录下的conf/context.xml文件，增加以下内容

  1. <CookieProcessor className="org.apache.tomcat.util.http.LegacyCookieProcessor" />

　　　　完整配置文件如下：

  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <!--
  3.   Licensed to the Apache Software Foundation (ASF) under one or more
  4.   contributor license agreements.  See the NOTICE file distributed with
  5.   this work for additional information regarding copyright ownership.
  6.   The ASF licenses this file to You under the Apache License, Version 2.0
  7.   (the "License"); you may not use this file except in compliance with
  8.   the License.  You may obtain a copy of the License at
  9.  
  10.       http://www.apache.org/licenses/LICENSE-2.0
  11.  
  12.   Unless required by applicable law or agreed to in writing, software
  13.   distributed under the License is distributed on an "AS IS" BASIS,
  14.   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15.   See the License for the specific language governing permissions and
  16.   limitations under the License.
  17. -->
  18. <!-- The contents of this file will be loaded for each web application -->
  19. <Context>
  20.  
  21.     <!-- Default set of monitored resources. If one of these changes, the    -->
  22.     <!-- web application will be reloaded.                                   -->
  23.     <WatchedResource>WEB-INF/web.xml</WatchedResource>
  24.     <WatchedResource>WEB-INF/tomcat-web.xml</WatchedResource>
  25.     <WatchedResource>${catalina.base}/conf/web.xml</WatchedResource>
  26.     <CookieProcessor className="org.apache.tomcat.util.http.LegacyCookieProcessor" />
  27.  
  28.     <!-- Uncomment this to disable session persistence across Tomcat restarts -->
  29.     <!--
  30.     <Manager pathname="" />
  31.     -->
  32. </Context>

⒊tomcat启动时指定springboot配置

⒋前端　　Uncaught DOMException: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.　　错误

　　错误截图

　　

　　解决方案：

　　　　在host文件中指定一个域名指向本地127.0.0.1，通过该域名访问本地调试网站。

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