JBoss多实例端口冲突问题

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一、背景介绍
操作系统为Linux CentOS 6.5,JDK为1.7.0_79,JBoss版本为4.3.0.GA,研发测试环境需要在一个机器上同时启用多个JBoss服务实例,部署好应用进行启动时,发现遇到端口冲突的现象。

二、解决方案
1、方案一:端口修改
有一个非常简单的办法,就是直接改涉及到冲突的端口号,以前使用tomcat就是这么干的,但Jboss要改的文件,搜罗了一下大致有以下几个要改:
1)$JBoss_home/server/default/deploy/ejb3.deployer/META-INF/jboss-service.xml 修改3873端口的值。
2)$JBoss_home/server/default/deploy/jboss-web.deployer/server.xml修改8080,8009,8443端口值。
3)$JBoss_home/server/default/conf/jboss-service.xml 修改8083,1098,1099,4444,4445,4446端口值。
4)$JBoss_home/server/default/conf/jboss-minimal.xml 修改1099端口值,与3中保持一致。
5)$JBoss_home/server/default/deploy/jms/uil2-service.xml 修改8093端口值。

有十几个端口需要修改,如果还要多开几个服务实例,这端口的配置、维护管理简直就是恶梦啊!

其实Jboss提供了Binding-Manager服务,可以成套的切换端口和绑定的IP,再也不用一个一个端口来查找修改了,非常方便。
$JBoss_home/ports/bindings.xml文件中,定义了多组端口,默认组名有port-default,ports-01,ports-02等,里面端口的编排是以100递增的,如ports-default的jboss:service=WebService端口号为8083,下一组ports-01的jboss:service=WebService的端口号就为8103,以此类推。如果默认的组不够,也可以自定义添加组,端口合理规划不冲突即可,建议遵循默认的端口递增规律。
注意JBoss 4.3.0.GA版本的bindings.xml的目录是$JBoss_home/ports,其他版本的不一定相同,请留意一下。
摘抄了一个ports-01的端口配置,仅供参考:

<!-- ********************************************************** -->   <!-- *                          ports-01                      * -->   <!-- ********************************************************** -->   <server name="ports-01">      <!-- EJB3 Remoting Connector ejb3.deployer/META-INF/jboss-service.xml -->      <service-config name="jboss.remoting:type=Connector,name=DefaultEjb3Connector,handler=ejb3"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate">        <delegate-config>           <attribute name="InvokerLocator">socket://${jboss.bind.address}:3973</attribute>        </delegate-config>         <binding port="3973"/>      </service-config>      <!-- ********************* jboss-service.xml ****************** -->      <service-config name="jboss:service=Naming"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="Port" hostName="BindAddress">            <attribute name="RmiPort">1198</attribute>         </delegate-config>         <binding port="1199" host="${jboss.bind.address}"/>      </service-config>      <service-config name="jboss:service=WebService"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="Port"/>         <binding port="8183"/>      </service-config>      <service-config name="jboss:service=invoker,type=jrmp"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="RMIObjectPort"/>         <binding port="4544"/>      </service-config>      <service-config name="jboss:service=invoker,type=pooled"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="ServerBindPort"/>         <binding port="4545"/>      </service-config>      <!-- ********************* cluster-service.xml **************** -->      <service-config name="jboss:service=HAJNDI"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate">         <delegate-config portName="Port" hostName="BindAddress">            <attribute name="RmiPort">1201</attribute>         </delegate-config>         <binding port="1200" host="${jboss.bind.address}"/>      </service-config>      <service-config name="jboss:service=invoker,type=jrmpha"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate">         <delegate-config portName="RMIObjectPort"/>         <binding port="4544"/>      </service-config>      <service-config name="jboss:service=invoker,type=pooledha"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate">         <delegate-config portName="ServerBindPort"/>         <binding port="4548"/>      </service-config>      <!-- ********************* iiop-service.xml ****************** -->      <service-config name="jboss:service=CorbaORB"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="Port"/>         <binding port="3628"/>      </service-config>      <!-- ********************* jmx-rmi-adaptor.sar **************** -->      <service-config name="jboss.jmx:type=Connector,name=RMI"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="RMIObjectPort"/>         <binding port="19101"/>      </service-config>      <!-- ********************* snmp-adaptor.sar ****************** -->      <service-config name="jboss.jmx:name=SnmpAgent,service=trapd,type=logger"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="Port"/>         <binding port="1262"/>      </service-config>      <service-config name="jboss.jmx:name=SnmpAgent,service=snmp,type=adaptor"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="Port"/>         <binding port="1261"/>      </service-config>      <!-- ********************* jbossmq-service.xml **************** -->      <!-- JMS related services -->      <service-config name="jboss.mq:service=InvocationLayer,type=UIL2"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="ServerBindPort"/>         <binding port="8193"/>      </service-config>      <!-- ********************* jbossmq-httpil.sar **************** -->      <service-config name="jboss.mq:service=InvocationLayer,type=HTTP"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config portName="URLPort"/>         <binding port="8180"/>      </service-config>      <!-- ********************* hajndi-jms-ds.xml **************** -->      <!-- The JMS provider loader -->      <service-config name="jboss.mq:service=JMSProviderLoader,name=HAJNDIJMSProvider"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate">         <!--              MAKE SURE java.naming.provider.url              PORT IS SAME AS HA-JNDI ABOVE !!!         -->         <delegate-config>            <attribute name="Properties"><![CDATA[                java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory                java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces                java.naming.provider.url=${jboss.bind.address:localhost}:1200                jnp.disableDiscovery=false                jnp.partitionName=${jboss.partition.name:DefaultPartition}                jnp.discoveryGroup=${jboss.partition.udpGroup:230.0.0.4}                jnp.discoveryPort=1102                jnp.discoveryTTL=16                jnp.discoveryTimeout=5000                jnp.maxRetries=1           ]]>           </attribute>        </delegate-config>        <!-- NOTE: YOU MUST ADD THIS ELEMENT, BUT THE VALUE DOESN'T MATTER             BE SURE THE CORRECT VALUE IS IN java.naming.provider.url ABOVE -->        <binding port="1200"/>      </service-config>      <!-- **************** http-invoker.sar & httpha-invoker.sar*************** -->      <!-- EJBInvoker -->      <service-config name="jboss:service=invoker,type=http"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config>            <attribute name="InvokerURLSuffix">:${port}/invoker/EJBInvokerServlet</attribute>        </delegate-config>         <!--            MUST BE THE SAME AS            TOMCAT HTTP CONNECTOR BELOW !!!             -->         <binding port="8180"/>      </service-config>        <!-- JMXInvoker -->      <service-config name="jboss:service=invoker,type=http,target=Naming"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config>            <attribute name="InvokerURLSuffix">:${port}/invoker/JMXInvokerServlet</attribute>        </delegate-config>         <!--            MUST BE THE SAME AS            TOMCAT HTTP CONNECTOR BELOW !!!             -->         <binding port="8180"/>      </service-config>        <!-- readonly JMXInvoker -->      <service-config name="jboss:service=invoker,type=http,target=Naming,readonly=true"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config>            <attribute name="InvokerURLSuffix">:${port}/invoker/readonly/JMXInvokerServlet</attribute>        </delegate-config>         <!--            MUST BE THE SAME AS            TOMCAT HTTP CONNECTOR BELOW !!!             -->         <binding port="8180"/>      </service-config>    <!-- **************** httpha-invoker.sar*************** -->      <!-- EJBInvokerHA -->      <service-config name="jboss:service=invoker,type=httpHA"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config>            <attribute name="InvokerURLSuffix">:${port}/invoker/EJBInvokerHAServlet</attribute>        </delegate-config>         <binding port="8180"/>      </service-config>      <!-- JMXInvokerHA -->      <service-config name="jboss:service=invoker,type=http,target=HAJNDI"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >         <delegate-config>            <attribute name="InvokerURLSuffix">:${port}/invoker/JMXInvokerHAServlet</attribute>        </delegate-config>         <binding port="8180"/>      </service-config>      <!-- ********************* jboss-ws4ee.sar **************** -->      <!-- Web Service related services -->      <service-config name="jboss.ws4ee:service=AxisService"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"         >        <delegate-config portName="WebServicePort" hostName="WebServiceHost"/>        <binding port="8180" host="${jboss.bind.address}"/>      </service-config>      <!-- ********************* remoting **************** -->       <!-- *** remoting connector *** -->       <service-config name="jboss.remoting:service=Connector,transport=socket"          delegateClass="org.jboss.services.binding.XSLTConfigDelegate">          <delegate-config>             <xslt-config configName="Configuration"><![CDATA[               <xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'>                  <xsl:output method="xml" />                  <xsl:param name="port"/>                  <xsl:template match="/">                     <xsl:apply-templates/>                  </xsl:template>                  <xsl:template match="attribute[@name='serverBindPort']">                     <attribute type="java.lang.String" name="serverBindPort"><xsl:value-of select='$port'/></attribute>                  </xsl:template>                  <xsl:template match="*|@*">                     <xsl:copy>                        <xsl:apply-templates select="@*|node()"/>                     </xsl:copy>                  </xsl:template>               </xsl:stylesheet>          ]]>          </xslt-config>          </delegate-config>          <binding port="5446" />       </service-config>      <!-- ********************* hsqldb-ds.xml ********************** -->      <!-- Hypersonic related services            Only if using TCP setup (local file setup by default)      <service-config name="jboss.jca:service=ManagedConnectionFactory,name=DefaultDS"         delegateClass="org.jboss.services.binding.XSLTConfigDelegate"      >         <delegate-config>         <xslt-config configName="ManagedConnectionFactoryProperties"><![CDATA[<xsl:stylesheet      xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'>  <xsl:output method="xml" />  <xsl:param name="host"/>  <xsl:param name="port"/>  <xsl:template match="/">    <xsl:apply-templates/>  </xsl:template>  <xsl:template match="config-property[@name='ConnectionURL']">    <config-property type="java.lang.String" name="ConnectionURL">jdbc:hsqldb:hsql://<xsl:value-of select='$host'/>:<xsl:value-of select='$port'/></config-property>  </xsl:template>  <xsl:template match="*|@*">    <xsl:copy>      <xsl:apply-templates select="@*|node()"/>    </xsl:copy>  </xsl:template></xsl:stylesheet>]]>         </xslt-config>         </delegate-config>         <binding host="localhost" port="1801" />      </service-config>      <service-config name="jboss:service=Hypersonic"         delegateClass="org.jboss.services.binding.AttributeMappingDelegate"      >         <delegate-config portName="Port" />         <binding port="1801" />      </service-config>      -->      <!-- ********************* tomcat ********************** -->      <service-config name="jboss.web:service=WebServer"         delegateClass="org.jboss.services.binding.XSLTFileDelegate"         >         <delegate-config>            <xslt-config configName="ConfigFile"><![CDATA[   <xsl:stylesheet         xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'>     <xsl:output method="xml" />     <xsl:param name="port"/>     <xsl:variable name="portAJP" select="$port - 71"/>     <xsl:variable name="portHttps" select="$port + 363"/>     <xsl:template match="/">       <xsl:apply-templates/>     </xsl:template>      <xsl:template match = "Connector">         <Connector>            <xsl:for-each select="@*">            <xsl:choose>               <xsl:when test="(name() = 'port' and . = '8080')">                  <xsl:attribute name="port"><xsl:value-of select="$port" /></xsl:attribute>               </xsl:when>               <xsl:when test="(name() = 'port' and . = '8009')">                  <xsl:attribute name="port"><xsl:value-of select="$portAJP" /></xsl:attribute>               </xsl:when>               <xsl:when test="(name() = 'redirectPort')">                  <xsl:attribute name="redirectPort"><xsl:value-of select="$portHttps" /></xsl:attribute>               </xsl:when>               <xsl:when test="(name() = 'port' and . = '8443')">                  <xsl:attribute name="port"><xsl:value-of select="$portHttps" /></xsl:attribute>               </xsl:when>               <xsl:otherwise>                  <xsl:attribute name="{name()}"><xsl:value-of select="." /></xsl:attribute>               </xsl:otherwise>            </xsl:choose>            </xsl:for-each>            <xsl:apply-templates/>         </Connector>      </xsl:template>     <xsl:template match="*|@*">       <xsl:copy>         <xsl:apply-templates select="@*|node()"/>       </xsl:copy>     </xsl:template>   </xsl:stylesheet>   ]]>            </xslt-config>         </delegate-config>         <binding port="8180"/>      </service-config>      <!-- ********************* jboss messaging ********************** -->      <service-config name="jboss.messaging:service=Connector,transport=bisocket"                      delegateClass="org.jboss.services.binding.AttributeMappingDelegate">         <delegate-config>            <attribute name="Configuration"><![CDATA[         <config>            <invoker transport="bisocket">               <attribute name="marshaller" isParam="true">org.jboss.jms.wireformat.JMSWireFormat</attribute>               <attribute name="unmarshaller" isParam="true">org.jboss.jms.wireformat.JMSWireFormat</attribute>               <attribute name="dataType" isParam="true">jms</attribute>               <attribute name="socket.check_connection" isParam="true">false</attribute>               <attribute name="timeout" isParam="true">0</attribute>               <attribute name="serverBindAddress">${jboss.bind.address}</attribute>               <attribute name="serverBindPort">4557</attribute>              <attribute name="clientSocketClass" isParam="true">org.jboss.jms.client.remoting.ClientSocketWrapper</attribute>               <attribute name="serverSocketClass">org.jboss.jms.server.remoting.ServerSocketWrapper</attribute>               <attribute name="numberOfCallRetries" isParam="true">1</attribute>               <attribute name="pingFrequency" isParam="true">214748364</attribute>               <attribute name="pingWindowFactor" isParam="true">10</attribute>               <attribute name="onewayThreadPool">org.jboss.jms.server.remoting.DirectThreadPool</attribute>               <attribute name="stopLeaseOnFailure" isParam="true">true</attribute>               <attribute name="clientLeasePeriod" isParam="true">10000</attribute>               <attribute name="timeout" isParam="true">0</attribute>               <attribute name="numberOfRetries" isParam="true">10</attribute>               <attribute name="JBM_clientMaxPoolSize" isParam="true">200</attribute>               <attribute name="callbackTimeout">10000</attribute>             </invoker>            <handlers>               <handler subsystem="JMS">org.jboss.jms.server.remoting.JMSServerInvocationHandler</handler>            </handlers>         </config>         ]]></attribute>         </delegate-config>         <binding port="4557"/>      </service-config>   </server>

了解了bindings.xml文件后,我们接下来的配置工作就非常简单了,修改新增的实例目录下的jboss-service配置文件,xxx为示例的部署应用名,$JBoss_HOME/server/xxx/conf/jboss-service.xml文件,搜索“ServerName”,找到相应的mbean,如下:

<!--      | Binding service manager for port/host mapping. This is a sample      | config that demonstrates a JBoss instances with a server name 'ports-01'      | loading its bindings from an XML file using the ServicesStoreFactory      | implementation returned by the XMLServicesStoreFactory.      |      | ServerName: The unique name assigned to a JBoss server instance for      | lookup purposes. This allows a single ServicesStore to handle mulitiple      | JBoss servers.      |      | StoreURL: The URL string passed to org.jboss.services.binding.ServicesStore      | during initialization that specifies how to connect to the bindings store.      | StoreFactory: The org.jboss.services.binding.ServicesStoreFactory interface      | implementation to create to obtain the ServicesStore instance.   <mbean code="org.jboss.services.binding.ServiceBindingManager"     name="jboss.system:service=ServiceBindingManager">     <attribute name="ServerName">ports-01</attribute>     <attribute name="StoreURL">${jboss.home.url}/docs/examples/binding-manager/sample-bindings.xml</attribute>     <attribute name="StoreFactoryClassName">       org.jboss.services.binding.XMLServicesStoreFactory     </attribute>   </mbean>   -->

默认这项配置是关闭的,把注释去掉,在ServerName配置项上写上组名,就可以使用该组名下维护的成套端口了。注意这里填写的组名必须是在bindings.xml里面定义的组名。

使用Binding-Manager的好处显而易见,工作量减少了很多,运维实施起来也方便,而且不容易出错。

另外有一个地方要提一下,之前bindings.xml配置文件里,每个组里面都有关于jboss-web的http端口和ajp端口的配置,就是service-config的名称是jboss.web:service=WebServer的那一段,那个要求$JBoss_HOME/server/xxx/deploy/jboss-web.deployer/server.xml文件内的http和ajp端口必须是默认的8080和8009,不能修改,否则无法进行替换,具体的替换逻辑可以参照上文给出的ports-01的代码。

2、方案二:绑定不同的IP
在套接字层的底端,绑定一个端口需要两条信息:端口号和IP地址。
我们启动JBoss实例时,IP地址有时候会写成0.0.0.0,这个特殊地址的意思:绑定定义到系统中的所有IP地址。如果服务器上只有一块网卡,那么所有的端口都会绑定到该IP地址上。如果有多块网卡或是设定了虚拟IP地址,那么使用0.0.0.0作为启动时绑定的IP地址会导致端口绑定到所有的IP地址上。
但有些场景并不期望端口绑定到所有的IP地址上,比如说有两个IP地址,一个IP用来处理外部的HTTP请求,另一个IP来处理内部系统之间的调用,从而达到一个分流的目的。
根据这个思路,JBoss的不同实例,可以绑定到不同的IP上面,这样Jboss的多个实例,可以共享端口,如192.168.1.100:8080和192.168.1.101:8080,在处理HTTP请求时,他们都可以使用8080端口,这种情况下是不会冲突的,因为每一个端口都绑定到不同的IP地址上。

四、演示示例
1、方案一示例
拷贝jboss的all实例,分别为all-01,all-02,根据方案一的步骤,修改conf/jboss-service.xml,all-01实例的文件修改如下:

<mbean code="org.jboss.services.binding.ServiceBindingManager"     name="jboss.system:service=ServiceBindingManager">     <attribute name="ServerName">ports-01</attribute>     <attribute name="StoreURL">${jboss.home.url}/ports/bindings.xml</attribute>     <attribute name="StoreFactoryClassName">       org.jboss.services.binding.XMLServicesStoreFactory     </attribute>   </mbean>

all-02实例的文件修改如下:

<mbean code="org.jboss.services.binding.ServiceBindingManager"     name="jboss.system:service=ServiceBindingManager">     <attribute name="ServerName">ports-02</attribute>     <attribute name="StoreURL">${jboss.home.url}/ports/bindings.xml</attribute>     <attribute name="StoreFactoryClassName">       org.jboss.services.binding.XMLServicesStoreFactory     </attribute>   </mbean>

预期的结果是all-01绑定的是8180这一组端口,all-02绑定的是8280端口组,实例启动时的其他端口信息不赘述。
启动命令如下:
run.bat -c all-01 -b 192.168.1.103
run.bat -c all-02 -b 192.168.1.103

all-01实例的启动日志 (部分)
2017-07-30 22:08:03,390 DEBUG [org.jboss.web.tomcat.service.JBossWeb] Saw org.jboss.system.server.started notification, starting connectors
2017-07-30 22:08:03,397 INFO [org.apache.coyote.http11.Http11Protocol] Starting Coyote HTTP/1.1 on http-0.0.0.0-8180
2017-07-30 22:08:03,422 INFO [org.apache.coyote.ajp.AjpProtocol] Starting Coyote AJP/1.3 on ajp-0.0.0.0-8109

all-02实例的启动日志 (部分)
2017-07-30 22:10:47,406 DEBUG [org.jboss.web.tomcat.service.JBossWeb] Saw org.jboss.system.server.started notification, starting connectors
2017-07-30 22:10:47,417 INFO [org.apache.coyote.http11.Http11Protocol] Starting Coyote HTTP/1.1 on http-0.0.0.0-8280
2017-07-30 22:10:47,439 INFO [org.apache.coyote.ajp.AjpProtocol] Starting Coyote AJP/1.3 on ajp-0.0.0.0-8209

日志显示与预期的端口是一致的,两个实例可以同时运行,并且没有端口冲突的错误日志出现。

2、方案二示例
拷贝的实例与上一个示例相同,配置文件中的ServerName统一设置为ports-01,同时启动两个实例,看端口占用情况,为了简单起见,实际IP为192.168.1.103 ,新增加一个虚拟IP192.168.1.137,启动命令如下:
run.bat -c all-01 -b 192.168.1.137
run.bat -c all-02 -b 192.168.1.103

2017-07-30 22:40:54,080 DEBUG [org.jboss.web.tomcat.service.JBossWeb] Saw org.jboss.system.server.started notification, starting connectors
2017-07-30 22:40:54,090 INFO [org.apache.coyote.http11.Http11Protocol] Starting Coyote HTTP/1.1 on http-192.168.1.137-8180
2017-07-30 22:40:54,115 INFO [org.apache.coyote.ajp.AjpProtocol] Starting Coyote AJP/1.3 on ajp-192.168.1.137-8109

2017-07-30 22:33:46,836 DEBUG [com.arjuna.ats.jta.logging.loggerI18N] [com.arjuna.ats.internal.jta.recovery.info.firstpass] Local XARecoveryModule - first pass
2017-07-30 22:33:46,843 INFO [org.apache.coyote.http11.Http11Protocol] Starting Coyote HTTP/1.1 on http-192.168.1.103-8180
2017-07-30 22:33:46,858 INFO [org.apache.coyote.ajp.AjpProtocol] Starting Coyote AJP/1.3 on ajp-192.168.1.103-8109

从日志上可以证实,两个实例都正常启动,并且无端口冲突的异常日志。
示例结论:两种方案均可行。

四、补充虚拟IP创建方法
1、Windows平台
打开网络和共享中心,找到连接的网络
这里写图片描述

点击属性,双击IPv4,如果是自动获取IP的,改成手动,然后点击高级
这里写图片描述

在IP地址上点击添加IP即可
这里写图片描述

设置完成后,在cmd命令行中输入ipconfig,就可以看到两个IP了
这里写图片描述

注意几点:
1、一定要改成手动获取IP,DHCP方式的无法新增虚拟IP。
2、自己新增的虚拟IP要保证在局域网内没有冲突。
3、DNS若填写不正确,可能会无法正常连接网络。

2、Linux平台
需要root权限,在/etc/sysconfig/network-scripts下新增一个文件ifcfg-eth0:1,内容如下:

DEVICE="eth0:1"IPADDR="192.168.1.107"NETMASK=255.255.255.0GATEWAY=192.168.1.1ONBOOT="yes"TYPE="Ethernet"

保存后重启服务器,用ifconfig命令查看网络,可以发现新增的虚拟IP已经加上了:

[root@bogon network-scripts]# ifconfigeth0      Link encap:Ethernet  HWaddr 00:0C:29:79:3A:FD           inet addr:192.168.1.106  Bcast:192.168.1.255  Mask:255.255.255.0          inet6 addr: fe80::20c:29ff:fe79:3afd/64 Scope:Link          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1          RX packets:43 errors:0 dropped:0 overruns:0 frame:0          TX packets:43 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:1000          RX bytes:6356 (6.2 KiB)  TX bytes:4447 (4.3 KiB)eth0:1    Link encap:Ethernet  HWaddr 00:0C:29:79:3A:FD           inet addr:192.168.1.107  Bcast:192.168.1.255  Mask:255.255.255.0          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1lo        Link encap:Local Loopback           inet addr:127.0.0.1  Mask:255.0.0.0          inet6 addr: ::1/128 Scope:Host          UP LOOPBACK RUNNING  MTU:16436  Metric:1          RX packets:12 errors:0 dropped:0 overruns:0 frame:0          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:0          RX bytes:816 (816.0 b)  TX bytes:816 (816.0 b)

五、总结
修改端口和绑定多个IP地址方案在应用中,要考虑实际的环境需求,总的来说,修改端口是最直接的方案,只需要修改jboss自身的端口即可,绑定多个IP操作在稍微复杂一些,需要增加物理网卡或是在操作系统层面增加虚拟IP的配置,但在解决此次问题也有他的用处,可以完成反向代理服务器的工作,也可以当作是一个新的解决思路。

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