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The ASF licenses this file. You may obtain a copy of the License at. See the License for the. This parameter can be defined in the axi2. This value of this parameter defaults to true. Due to this the initial exception message can be lost. These message formats are expected to be resolved based on the content type.
To enable clustering for this node, set the value of "enable" attribute of the "clustering". The initialization of a node in the cluster is handled by the class. It is also responsible for. Each and every top level parameter available in the axis2.
Therefore, the top level parameters in the configuration document can be accessed via AxisConfiguration in the running system. The correct way of defining a parameter is shown below:. Depending on the underlying transport on which Axis2 is going to run, you need to have different transport receivers.
The way you add them to the system is as follows:. Just like the transport receivers, you can register transport senders in the system, and later at run time, the senders can be used to send the messages. For example, consider Axis2 running under Apache Tomcat. The method of specifying transport senders is as follows:. Just like the transport receivers, transport senders can have zero or more parameters, and if there are any, they can be accessed via the corresponding transport sender.
Specifying the order of phases in the execution chain has to be done using the phase order element. It will look as follows:.
The most interesting thing is that you can add handlers here as well. If you want to add a handler that should go into that phase, you can directly do that by adding a handler element into it. So all those configurations are also done in the phase order element. The complete configurations will look as follows:. In addition to that, the only child element that is allowed inside "phaseOrder" is the "phase" element which represents the available phases in the execution chain.
The method of specifying phases inside "phaseOrder" is as follows:. Note : If you look closely at the default axis2. If you want to engage a module, system wide, you can do it by adding a top level module element in axis2. It should look as follows:. In Axis2, AxisConfiguration is observable so that you can register observers into that.
They will be automatically informed whenever a change occurs in AxisConfiguration. To specify a target namespace, you must add an optional attribute called targetNamespace. At deployment, if we do not specify a schema target namespace, then the target namespace will be calculated using the package name of the service implementation class.
For example, if the full qualified name of the service implementation class is org. FooService then the schema namespace will be,. If you want to provide your own value for that, you can do that by adding the following element into the services.
There are situations where we do not need this behavior and we want to set the value of elementFormDefault to Unqualified. To do that, we need to add the following entry into the services.
Axis2 has the capability of exposing a service through multiple transports, and that is achieved using the concept called Listener Manager. When we have multiple transports, sometimes we want to expose the services on selected transports; a good example would be the system administration service.
That particular service will be exposed only through SSL, and there should be a way to convey this information. In the case of the server side with multiple transports, all the services will be exposed through those transports. If we want to expose our service only through a selected transport, then we can do that by adding the transport tag into the services. If we do not add a transport element, then the service will be exposed through all the available transports.
The previous section described how to specify service level data that are applicable for each and every operation in a given service. For example, if we engage a module at the service level, then that will affect all the operations in the service. However, there are also instances where we want to override or add new data to operations.
Note : If the service implementation class is Java, then all the public methods in the service class will be exposed whether we specify that in the services. If we wrote our service using some other language, then we have to specify the operation that we want to publish.
As mentioned above, there may be instances where we want to override service data using operations. For example, if we have to override a service level parameter using an operation, we can do that by adding an operation tag. As mentioned above, we can specify service level message receivers. However, there are also instances where we want to use a different message receiver for a given operation. Then we can use a message receiver tag inside the operation. Action mapping is adding an alias for an operation.
This enables us to add any number of aliases for an operation. It helps us to filter requests or to perform different processing for different action mappings. In the case of a client request, he has to send the action mapping either as an SOAPAction or wsa:action. Then the Axis2 dispatchers will dispatch the incoming request to the correct operation.
Just as we engage a module to a service, we can also engage a module to an operation. For instance, if we want security only for selected operations, the best way is to engage a module to those operations.
Engaging a module is just a matter of adding a module element as shown below,. Axis2 will expose all the public methods in the service implementation class if it is implemented using Java.
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