Tomcat 7.0配置SSL的问题及解决办法

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以前一直在用Tomcat 6.0.29版本,今下载了apache-tomcat-7.0.33-windows-x86.zip试试,结果在配置SSL时遇到一些问题。
Tomcat 6版本配置SSL过程有两步:
1、用JDK自带的keytool.exe来生成私有密钥和自签发的证书,如下:
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  1. keytool -genkey -keyalg RSA -alias tomcat  
      keytool -genkey -keyalg RSA -alias tomcat 




    
按提示输入相关内容后,这条命令将在默认密钥库文件里新增一个别名为tomcat的私有密钥项及其自签发的证书。默认密钥库文件为:
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  1. %USERPROFILE%\.keystore   
      %USERPROFILE%\.keystore  


    
2、修改Tomcat的conf\server.xml文件,即增加下面一段:
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  1. <Connector port= "8443" protocol= "HTTP/1.1" SSLEnabled= "true"             maxThreads= "150" scheme= "https" secure= "true"             clientAuth= "false" sslProtocol= "TLS"             keystoreFile= "${user.home}/.keystore"             keystorePass= "changeit" />  
      <Connector port="8443" protocol="HTTP/1.1" SSLEnabled="true"            maxThreads="150" scheme="https" secure="true"            clientAuth="false" sslProtocol="TLS"            keystoreFile="${user.home}/.keystore"            keystorePass="changeit" /> 


    
这里的${user.home}就是上面的%USERPROFILE%,只是一个是Java语法,另一个是Windows语法。
设置好就能正常启动Tomcat了。
可是按同样的方法来配置Tomcat 7却启动不起来,报如下错误:
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  1. 严重: Failed to initialize end point associated with ProtocolHandler [ "http-apr-8443" ]  java.lang.Exception: Connector attribute SSLCertificateFile must be defined when using SSL with APR          at org.apache.tomcat.util.net.AprEndpoint.bind(AprEndpoint.java: 494 )          at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java: 610 )          at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java: 429 )          at org.apache.catalina.connector.Connector.initInternal(Connector.java: 981 )          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 102 )          at org.apache.catalina.core.StandardService.initInternal(StandardService.java: 559 )          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 102 )          at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java: 814 )          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 102 )          at org.apache.catalina.startup.Catalina.load(Catalina.java: 633 )          at org.apache.catalina.startup.Catalina.load(Catalina.java: 658 )          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 39 )          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 25 )          at java.lang.reflect.Method.invoke(Method.java: 597 )          at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java: 281 )          at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 450 )  - 12 - 2 12 : 01 : 16 org.apache.catalina.core.StandardService initInternal  严重: Failed to initialize connector [Connector[HTTP/ 1.1 - 8443 ]]  org.apache.catalina.LifecycleException: Failed to initialize component [Connector[HTTP/ 1.1 - 8443 ]]          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 106 )          at org.apache.catalina.core.StandardService.initInternal(StandardService.java: 559 )          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 102 )          at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java: 814 )          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 102 )          at org.apache.catalina.startup.Catalina.load(Catalina.java: 633 )          at org.apache.catalina.startup.Catalina.load(Catalina.java: 658 )          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 39 )          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 25 )          at java.lang.reflect.Method.invoke(Method.java: 597 )          at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java: 281 )          at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 450 )  Caused by: org.apache.catalina.LifecycleException: Protocol handler initialization failed          at org.apache.catalina.connector.Connector.initInternal(Connector.java: 983 )          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java: 102 )          ... 12 more  Caused by: java.lang.Exception: Connector attribute SSLCertificateFile must be defined when using SSL with APR          at org.apache.tomcat.util.net.AprEndpoint.bind(AprEndpoint.java: 494 )          at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java: 610 )          at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java: 429 )          at org.apache.catalina.connector.Connector.initInternal(Connector.java: 981 )          ... 13 more 
      严重: Failed to initialize end point associated with ProtocolHandler ["http-apr-8443"]  java.lang.Exception: Connector attribute SSLCertificateFile must be defined when using SSL with APR          at org.apache.tomcat.util.net.AprEndpoint.bind(AprEndpoint.java:494)          at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:610)          at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:429)          at org.apache.catalina.connector.Connector.initInternal(Connector.java:981)          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)          at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)          at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:814)          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)          at org.apache.catalina.startup.Catalina.load(Catalina.java:633)          at org.apache.catalina.startup.Catalina.load(Catalina.java:658)          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)          at java.lang.reflect.Method.invoke(Method.java:597)          at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:281)          at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:450)  -12-2 12:01:16 org.apache.catalina.core.StandardService initInternal  严重: Failed to initialize connector [Connector[HTTP/1.1-8443]]  org.apache.catalina.LifecycleException: Failed to initialize component [Connector[HTTP/1.1-8443]]          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:106)          at org.apache.catalina.core.StandardService.initInternal(StandardService.java:559)          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)          at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:814)          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)          at org.apache.catalina.startup.Catalina.load(Catalina.java:633)          at org.apache.catalina.startup.Catalina.load(Catalina.java:658)          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)          at java.lang.reflect.Method.invoke(Method.java:597)          at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:281)          at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:450)  Caused by: org.apache.catalina.LifecycleException: Protocol handler initialization failed          at org.apache.catalina.connector.Connector.initInternal(Connector.java:983)          at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)          ... 12 more  Caused by: java.lang.Exception: Connector attribute SSLCertificateFile must be defined when using SSL with APR          at org.apache.tomcat.util.net.AprEndpoint.bind(AprEndpoint.java:494)          at org.apache.tomcat.util.net.AbstractEndpoint.init(AbstractEndpoint.java:610)          at org.apache.coyote.AbstractProtocol.init(AbstractProtocol.java:429)          at org.apache.catalina.connector.Connector.initInternal(Connector.java:981)          ... 13 more


    
仔细看上面的异常信息发现这是APR报的错误。Tomcat 6也有APR包但我从来都没用过。为此查看了Tomcat的ssl-how,在“Edit the Tomcat Configuration File”一节中说到:
Tomcat提供了两个SSL实现,一个是JSSE实现,另一个是APR实现。
Tomcat将自动选择使用哪个实现,即如果安装了APR则自动选择APR,否则选择JSSE。
如果不希望让Tomcat自动选择,而是我们自己指定一个实现则可通过protocol定义,如下:
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  1. <Connector protocol= "..." />  
      <Connector protocol="..." /> 


    
我又查看了6.0的相同说明,里面与7.0的说明一模一样。因此问题只可能是:是否安装了APR包。
以前只听说过APR但没弄过。APR是什么文件?后来才发现APR文件名为tcnative-1.dll。进一步检查6.0和7.0的安装目录,结果发现6.0里没这个dll文件,而7.0里有。换句话说,6.0默认使用JSSE实现,而7.0默认使用APR实现。
弄明白缘由就好办了。由于习惯使用6.0的配置方式(即JSEE实现),因此只要把上面conf\server.xml里的protocol修改一下就行了:
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  1. <Connector port= "8443" protocol= "org.apache.coyote.http11.Http11Protocol" SSLEnabled= "true"             maxThreads= "150" scheme= "https" secure= "true"             clientAuth= "false" sslProtocol= "TLS"             keystoreFile= "${user.home}/.keystore"             keystorePass= "changeit" />  
      <Connector port="8443" protocol="org.apache.coyote.http11.Http11Protocol" SSLEnabled="true"            maxThreads="150" scheme="https" secure="true"            clientAuth="false" sslProtocol="TLS"            keystoreFile="${user.home}/.keystore"            keystorePass="changeit" /> 


    
重新启动,一切正常。
应用程序HTTP自动跳转到HTTPS,解决如下,打开 项目的web.xml ,添加如下配置
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  1. <security-constraint>   
  2.        <web-resource-collection >   
  3.               <web-resource-name >eqm</web-resource-name>   
  4.               <url-pattern>/*</url-pattern>   
  5.        </web-resource-collection>  
  6.                                
  7.        <user-data-constraint>   
  8.               <transport-guarantee>CONFIDENTIAL</transport-guarantee>   
  9.        </user-data-constraint>   
  10. </security-constraint> 
      <security-constraint> 

       <web-resource-collection > 

              <web-resource-name >eqm</web-resource-name> 

              <url-pattern>/*</url-pattern> 

       </web-resource-collection>

                             

       <user-data-constraint> 

              <transport-guarantee>CONFIDENTIAL</transport-guarantee> 

       </user-data-constraint> 

</security-constraint>
    

 

Tomcat 7.0配置SSL的问题及解决办法


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