blocks|key|1228421|text|试着评论倒数第二行。把“->”放低2行。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1228422|<！--管理器sessionAttributeValueClassNameFilter="java.lang.(?:Boolean%7CInteger%7CLong%7CNumber%7CString)%7Corg.apache.catalina.filters.CsrfPreventionFilter$LruCache(?:|blockquote|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|G|8|@]|9|@]|A|$]]]|E|$]]

Try to comment penultimate line. Just put &quot;--&gt;&quot; 2 lines lower.
<blockquote>
&lt;!-- Manager sessionAttributeValueClassNameFilter=&quot;java.lang.(?:Boolean|Integer|Long|Number|String)|org.apache.catalina.filters.CsrfPreventionFilter$LruCache(?:$1)?|java.util.(?:Linked)?HashMap&quot;/&gt; &lt;Valve className=&quot;org.apache.catalina.valves.RemoteAddrValve&quot; allow=&quot;127.\d+.\d+.\d+|::1|0:0:0:0:0:0:0:1|192.168.0.*&quot; /&gt;
 
--&gt;
</blockquote>
If you have configured any realms in tomcat/conf/server.xml, try without them. Good luck!

blocks|key|2184797|text|在部署.war时，经常会获得‘403个拒绝访问’，下面的内容可以供您参考！我使用的是Ubuntu22.04，Tomcat9，目录可能与您的目录不同，但是可以使用相同的配置文件名！|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2184798|1.设置允许的IP访问Tomcat9管理器:+sudo+/etc/Tomcat9+9/Catalina/localhost/Manager.xml添加，只要保存和退出而不重新启动Tomcat9即可生效。2.sudo+vim+/usr/share/tomcat9-admin/manager/META-INF/context.xml将允许的IP添加到allow="127\.\d%2B\.\d%2B\.\d%2B%7C::1%7C0:0:0:0:0:0:0:1"示例中。allow="127\.\d%2B\.\d%2B\.\d%2B%7C::1%7C0:0:0:0:0:0:0:1%7C10\.10\.10\.\d%2B"|blockquote|offset|length|style|CODE|2184799|希望能帮上忙！|entityMap^0|0|4U|1A|68|1Q|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|M|8|@$E|N|F|O|G|H]|$E|P|F|Q|G|H]]|9|@]|A|$]]|$1|I|3|J|5|6|7|R|8|@]|9|@]|A|$]]]|K|$]]

When deploying .war, often gets '403 Access Denied', the following can be for your reference! 
I am using Ubuntu 22.04, Tomcat9, directories are probably different from yours, but can be of the same configuration file name!
<blockquote>
1.set allowed IPs to access Tomcat9 manager: sudo vim /etc/tomcat9/Catalina/localhost/manager.xml add <code>&lt;Valve className=&quot;org.apache.catalina.valves.RemoteAddrValve&quot; allow=&quot;your allowed IPs here&quot; denyStatus=&quot;404&quot;/&gt;</code> this takes effect as soon as you
save and quit without restart Tomcat9。
2.sudo vim /usr/share/tomcat9-admin/manager/META-INF/context.xml add your allowed IPs into
<code>allow=&quot;127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1&quot;</code> eg.
<code>allow=&quot;127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1|10\.10\.10\.\d+&quot;</code>
</blockquote>
Hope it's helpful!

I've installed Tomcat on Centos7, on Google Cloud. Tomcat works but I can't access the Tomcat manager page.
My /opt/tomcat/conf/tomcat-users.xml
<pre class="lang-xml prettyprint-override"><code> &lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
 &lt;!--
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements. See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF licenses this file to You under the Apache License, Version 2.0
 (the &quot;License&quot;); you may not use this file except in compliance with
 the License. You may obtain a copy of the License at
 http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 --&gt;
 &lt;tomcat-users xmlns=&quot;http://tomcat.apache.org/xml&quot;
 xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
 xsi:schemaLocation=&quot;http://tomcat.apache.org/xml tomcat-users.xsd&quot;
 version=&quot;1.0&quot;&gt;
 &lt;!--
 By default, no user is included in the &quot;manager-gui&quot; role required
 to operate the &quot;/manager/html&quot; web application. If you wish to use this app,
 you must define such a user - the username and password are arbitrary.
 Built-in Tomcat manager roles:
 - manager-gui - allows access to the HTML GUI and the status pages
 - manager-script - allows access to the HTTP API and the status pages
 - manager-jmx - allows access to the JMX proxy and the status pages
 - manager-status - allows access to the status pages only
 The users below are wrapped in a comment and are therefore ignored. If you
 wish to configure one or more of these users for use with the manager web
 application, do not forget to remove the &lt;!.. ..&gt; that surrounds them. You
 will also need to set the passwords to something appropriate.
 --&gt;
 &lt;!--
 &lt;user username=&quot;admin&quot; password=&quot;&lt;must-be-changed&gt;&quot; roles=&quot;manager-gui&quot;/&gt;
 &lt;user username=&quot;robot&quot; password=&quot;&lt;must-be-changed&gt;&quot; roles=&quot;manager-script&quot;/&gt;
 --&gt;
 &lt;!--
 The sample user and role entries below are intended for use with the
 examples web application. They are wrapped in a comment and thus are ignored
 when reading this file. If you wish to configure these users for use with the
 examples web application, do not forget to remove the &lt;!.. ..&gt; that surrounds
 them. You will also need to set the passwords to something appropriate.
 --&gt;
 &lt;role rolename=&quot;admin-gui&quot;/&gt;
 &lt;role rolename=&quot;manager-gui&quot;/&gt;
 &lt;user username=&quot;admin&quot; password=&quot;notmyrealpassword&quot; roles=&quot;admin-gui,manager-gui&quot;/&gt;
 &lt;/tomcat-users&gt;
</code></pre>
/opt/tomcat/webapps/manager/META-INF/context.xml
<pre class="lang-xml prettyprint-override"><code> &lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
 &lt;!--
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements. See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF licenses this file to You under the Apache License, Version 2.0
 (the &quot;License&quot;); you may not use this file except in compliance with
 the License. You may obtain a copy of the License at
 
 http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 --&gt;
 &lt;Context antiResourceLocking=&quot;false&quot; privileged=&quot;true&quot; &gt;
 &lt;CookieProcessor className=&quot;org.apache.tomcat.util.http.Rfc6265CookieProcessor&quot;
 sameSiteCookies=&quot;strict&quot; /&gt;
 &lt;!--
 &lt;Valve className=&quot;org.apache.catalina.valves.RemoteAddrValve&quot;
 allow=&quot;127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1&quot; /&gt;
 --&gt;
 &lt;!-- &lt;Manager sessionAttributeValueClassNameFilter=&quot;java\.lang\.(?:Boolean|Integer|Long|Number|String)|org\.apache\.catalina\.filters\.CsrfPreventionFilter\$LruCache(?:\$1)?|java\.util\.(?:Linked)?HashMap&quot;/&gt; --&gt;
 &lt;Valve className=&quot;org.apache.catalina.valves.RemoteAddrValve&quot; allow=&quot;127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1|192.168.0.*&quot; /&gt;
 &lt;/Context&gt;
</code></pre>
/opt/tomcat/webapps/host-manager/META-INF/context.xml
<pre class="lang-xml prettyprint-override"><code> &lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
 &lt;!--
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements. See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
 The ASF licenses this file to You under the Apache License, Version 2.0
 (the &quot;License&quot;); you may not use this file except in compliance with
 the License. You may obtain a copy of the License at
 
 http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 --&gt;
 &lt;Context antiResourceLocking=&quot;false&quot; privileged=&quot;true&quot; &gt;
 &lt;CookieProcessor className=&quot;org.apache.tomcat.util.http.Rfc6265CookieProcessor&quot;
 sameSiteCookies=&quot;strict&quot; /&gt;
 &lt;!-- &lt;Valve className=&quot;org.apache.catalina.valves.RemoteAddrValve&quot;
 allow=&quot;127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1&quot; /&gt;
 --&gt;
 &lt;!-- &lt;Manager sessionAttributeValueClassNameFilter=&quot;java\.lang\.(?:Boolean|Integer|Long|Number|String)|org\.apache\.catalina\.filters\.CsrfPreventionFilter\$LruCache(?:\$1)?|java\.util\.(?:Linked)?HashMap&quot;/&gt; --&gt;
 &lt;Valve className=&quot;org.apache.catalina.valves.RemoteAddrValve&quot; allow=&quot;127\.\d+\.\d+\.\d+|::1|0:0:0:0:0:0:0:1|192.168.0.*&quot; /&gt;
 &lt;/Context&gt;
</code></pre>

403 Access denied for tomcat manager page

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在Centos7和Google上安装了Tomcat。Tomcat工作，但我无法访问Tomcat管理器页面。My /opt/tomcat/conf/tomcat-users.xml/opt/tomcat/webapps/manager/META-INF/context.xml/opt/tomcat/webapps/host-manager/META-INF/context.xml

问403拒绝对tomcat管理器页面的访问
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