Wlappc ant task options trading
Specifies the method signatures used to trigger IDL code generation. Specifies the directory where IIOP stub files will be written default: Ant is a Java-based build tool. One of the benefits of Ant is that is it is extended with Java classes, rather than shell-based commands. Another benefit is that Ant is a cross-platform tool.
XML tags define the targets to build, dependencies among targets, and tasks to execute in order to build the targets. Ant libraries are bundled with WebLogic Server to make it easier for our customers to build Java applications out of the box. To use Ant, you must first set your environment by executing either the setExamplesEnv.
For a complete explanation of ant capabilities, see: For more information on using Ant to compile your cross-platform scripts or using cross-platform scripts to create XML scripts that can be processed by Ant, refer to any of the WebLogic Server examples, such as:. Also refer to the following WebLogic Server documentation on building examples using Ant.
You use the wlcompile Ant task to call the javac compiler to compile your Enterprise application's Java files in a split development directory structure. For the most part, these options are the same as weblogic. However, there are a few differences. See appc Compiler for a list of weblogic. Table wlappc Ant Task Options Option.
The basic syntax for using the wlappc Ant task determines the destination source directory location. This directory contains the files to be compiled by wlappc.
There are some syntax differences between appc and wlappc. For appc, the presence of a flag in the command is a boolean. For wlappc, the presence of a flag in the command means that the argument is required.
To illustrate, the following are examples of the same command, the first being an appc command and the second being a wlappc command:. The Sun, WebLogic, and other Java classes required to compile programs that use WebLogic services are packaged in the weblogic.
In addition to weblogic. WebLogic Server is a sophisticated, multi-threaded application server and it carefully manages resource allocation, concurrency, and thread synchronization for the modules it hosts.
In most cases, avoid application designs that require creating new threads in server-side modules:. In some situations, creating threads may be appropriate, in spite of these warnings. For example, an application that searches several repositories and returns a combined result set can return results sooner if the searches are done asynchronously using a new thread for each repository instead of synchronously using the main client thread.
If you must use threads in your application code, create a pool of threads so that you can control the number of threads your application creates. Like a JDBC connection pool, you allocate a given number of threads to a pool, and then obtain an available thread from the pool for your runnable class. If all threads in the pool are in use, wait until one is returned. A thread pool helps avoid performance issues and allows you to optimize the allocation of threads between WebLogic Server execution threads and your application.
Be sure you understand where your threads can deadlock and handle the deadlocks when they occur. Review your design carefully to ensure that your threads do not compromise the security system.
To avoid undesirable interactions with WebLogic Server threads, do not let your threads call into WebLogic Server modules.
For example, do not use enterprise beans or servlets from threads that you create. A short-lived thread that accomplishes a single purpose and ends or returns to the thread pool is less likely to interfere with other threads. Avoid creating daemon threads in modules that are packaged in applications deployed on WebLogic Server. When you create a daemon thread in an application module such as a Servlet, you will not be able to redeploy the application because the daemon thread created in the original deployment will remain running.
Be sure to test multithreaded code under increasingly heavy loads, adding clients even to the point of failure. Observe the application performance and WebLogic Server behavior and then add checks to prevent failures from occurring in production. If you create an InitialContext in the threads, ensure that you explicitly close InitialContext to release resources immediately and avoid any potential memory leaks.
It does not provide mail server functionality; you must have access to a mail server to use JavaMail. JavaMail depends on configuration files that define the mail transport capabilities of the system. Unless you want to extend JavaMail to support additional transports, protocols, and message types, you do not have to modify any JavaMail configuration files.
If you do want to extend JavaMail, download JavaMail from Sun and follow Sun's instructions for adding your extensions. This allows server-side modules and applications to access JavaMail services with JNDI, using Session properties you preconfigure for them. For example, by creating a Mail Session, you can designate the mail hosts, transport and store protocols, and the default mail user in the Administration Console so that modules that use JavaMail do not have to set these properties.
Applications that are heavy email users benefit because WebLogic Server creates a single Session object and makes it available via JNDI to any module that needs it. Value of the user. Mail host for a specific protocol. For example, you can set mail. Protocol-specific default user name for logging into a mailer server. JavaMail can throw a MessagingException if there are problems locating transport classes or if communications with the mail host fails.
Be sure to put your code in a try block and catch these exceptions. Messages are stored in folders. With IMAP, message folders are stored on the mail server, including folders that contain incoming messages and folders that contain archived messages.
With POP3, the server provides a folder that stores messages as they arrive. When a client connects to a POP3 server, it retrieves the messages and transfers them to a message store on the client. Folders are hierarchical structures, similar to disk directories.
A folder can contain messages or other folders. This file is discussed in the WebLogic Server documentation on building examples using Ant located at: Other application classes referenced by the programs you are compiling. Table Library attributes Attribute. An optional specification version required for the library. An optional implementation version required for the library. Table wlappc Ant Task Attributes Option. Prints appc version information. Specifies an alternate output archive or directory.
If not set, the output is placed in the source archive or directory. Without this flag, the classes may not be regenerated if determined to be unnecessary. Adds line numbers to generated class files to aid in debugging. Specfies that the application or module contains deployment descriptors with annotation information. Generates IDL somewhat compatible with Visibroker 4.
Generates IDL somewhat compatible with Orbix 2. Specifies the directory where IDL files will be created default: Specifies the method signatures used to trigger IDL code generation. Specifies the directory where IIOP stub files will be written default: Specifies a directory to place generated client jar files. If not set, generated jar files are placed into the same directory location where the JVM is running. Table appc Options Option.
A comma-separated list of shared Java EE libraries. Optional name and version string information must be specified in the format described in Referencing Shared Java EE Libraries in an Enterprise Application. Required filename of a Java EE library. The optional name of a required Java EE library. Prints the standard usage message. Always overwrites existing IDL files. Displays verbose information for IDL generation. Generates factory methods for valuetypes.
Selects the Java compiler to use. Compiles debugging information into a class file. Compiles with optimization on. Compiles with verbose output. Warns about deprecated calls. Passes flags through to Symantec's sj. Passes flags through to Java runtime.