當遇到Exception in thread "main" javax.naming.CommunicationException: Receive timed out [Root exception is java.net.SocketTimeoutException: Receive timed out]時
1.首先檢查你的Context.PROVIDER_URL配置是否正確，例如Jboss4.0.2中是jnp://localhost:1099，當然這個1099端口也可能換，如果不知道請到%JBOSS_HOME%\server\default\conf\下查找jboss-service.xml在里面找到如下代碼：
1 <mbean code="org.jboss.naming.NamingService"
2 name="jboss:service=Naming"
3 xmbean-dd="resource:xmdesc/NamingService-xmbean.xml">
4 <!-- The call by value mode. true if all lookups are unmarshalled using
5 the caller's TCL, false if in VM lookups return the value by reference.
6 -->
7 <attribute name="CallByValue">false</attribute>
8 <!-- The listening port for the bootstrap JNP service. Set this to -1
9 to run the NamingService without the JNP invoker listening port.
10 -->
11 <attribute name="Port">1099</attribute>
12 <!-- The bootstrap JNP server bind address. This also sets the default
13 RMI service bind address. Empty == all addresses
14 -->
15 <attribute name="BindAddress">${jboss.bind.address}</attribute>
16 <!-- The port of the RMI naming service, 0 == anonymous -->
17 <attribute name="RmiPort">1098</attribute>
18 <!-- The RMI service bind address. Empty == all addresses
19 -->
20 <attribute name="RmiBindAddress">${jboss.bind.address}</attribute>
21 <!-- The thread pool service used to control the bootstrap lookups -->
22 <depends optional-attribute-name="LookupPool"
23 proxy-type="attribute">jboss.system:service=ThreadPool</depends>
24 </mbean>
<attribute name="Port">1099</attribute> 看這里的端口號，修改這里的端口號為你provider_url配置的端口號，或著反過來修改你的provider_url的端口號為這里的端口號。
2.如果1中配置沒有問題，請檢查你的防火墻，殺毒軟件等安全工具是否禁止了端口，我用的mcafee，需要在mcafee的訪問保護->屬性->用戶自定義規(guī)則添加一條規(guī)則，根據(jù)提示寫入需要排除的端口號，然后在排除項中添加java.exe和javaw.exe確定即可，在試試，應該就可以了！
posted on 2010-06-12 16:03
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