JNDI查找方式
2015-11-24 16:54
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Three JNDI namespaces are used for portable JNDI lookups: java:global, java:module,
and java:app.
The java:global JNDI namespace is the portable way of finding remote enterprise beans using JNDI lookups. JNDI addresses are of the following form:
Application name and module name default to the name of the application and module minus the file extension. Application names are required only if the application is packaged within an EAR. The interface name is required only if the enterprise bean implements
more than one business interface.
The java:module namespace is used to look up local enterprise beans within the same module. JNDI addresses using thejava:module namespace
are of the following form:
The interface name is required only if the enterprise bean implements more than one business interface.
The java:app namespace is used to look up local enterprise beans packaged within the same application. That is, the enterprise bean is packaged within an
EAR file containing multiple Java EE modules. JNDI addresses using the java:app namespace are of the following form:
The module name is optional. The interface name is required only if the enterprise bean implements more than one business interface.
For example, if an enterprise bean, MyBean, is packaged within the web application archive myApp.war,
the module name is myApp. The portable JNDI name is java:module/MyBean An
equivalent JNDI name using the java:global namespace isjava:global/myApp/MyBean.
and java:app.
The java:global JNDI namespace is the portable way of finding remote enterprise beans using JNDI lookups. JNDI addresses are of the following form:
java:global[/application name]/module name/enterprise bean name[/interface name] |
more than one business interface.
The java:module namespace is used to look up local enterprise beans within the same module. JNDI addresses using thejava:module namespace
are of the following form:
java:module/enterprise bean name/[interface name] |
The java:app namespace is used to look up local enterprise beans packaged within the same application. That is, the enterprise bean is packaged within an
EAR file containing multiple Java EE modules. JNDI addresses using the java:app namespace are of the following form:
java:app[/module name]/enterprise bean name[/interface name] |
For example, if an enterprise bean, MyBean, is packaged within the web application archive myApp.war,
the module name is myApp. The portable JNDI name is java:module/MyBean An
equivalent JNDI name using the java:global namespace isjava:global/myApp/MyBean.
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