Action Extension in Struts2. In struts2 all action class has. All we need is to configure ant build proc Java Thread Join with Example. In java, join methods allows one thread to wait for the complete execution of other thread.
Calling a Constructor Explicitly in Java. Inside a constructor we can call another constructor explicitly by using super or this keyword, where this is to call another constructor Generally, if we have 3 methods in action class then we have to configure 3 separate action nodes inside struts.
I see that you have used classpathref in compiling your java source files. I'll update my answer. If you give the jar to someone else, they'll need to have the dependencies located in a directory which is located in the following relative path to the jar..
I've double-checked and the XML I've provided above is well formed. I would suggest using the unix program "xmllint" to display more details on the error. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.
Post as a guest Name. Email Required, but never shown. The Overflow Blog. Podcast Making Agile work for data science. Stack Gives Back Also I have used apache log4j for the project, and I need to have the log4j jar library to compile and run successfully. Pingback: Creating a simple restart script for Tomcat6 using Ant « i heart code. You are commenting using your WordPress. You are commenting using your Google account.
You are commenting using your Twitter account. Now that we have a working buildfile, we could do some enhancements: many times you are referencing the samedirectories, main-class and jar-name are hardcoded, and while invoking you have to remember the right order of buildsteps. Somebody told us not to use System -statements. Weuse Log4J for that, because.
We store our external libraries in a new directory lib. Log4J canbe downloaded[1] from Logging's Homepage. Create the lib directory and extract the log4j After that we have to modify our Java source file to use that library and our buildfile so thatthis library could be accessed during compilation and run.
Working with Log4J is documented inside its manual. Here we use the MyApp -example fromthe Short Manual [2]. First we have tomodify the java source to use the logging framework:. Most of the modifications are 'framework overhead' which has to be done once.
The blue line is our 'old System-out'statement. Don't try to run ant —you will only get lot of compiler errors. Log4J is not on the classpath so wehave to do a little work here.
This is only for thisproject and maybe you would break other environments this is one of the most famous mistakes when working with Ant. Weintroduce Log4J or to be more precise: all libraries jar-files which are somewhere under.
In this example we start our application not via its Main-Class manifest-attribute, because we could notprovide a jar-name and a classpath. So add our class in the red line to the already defined path and start asusual. Running ant would give after the usual compile stuff :. For another layout Why we have used Log4J? No—all is hardcoded!
But that is not the fault ofLog4J—it's ours. We had coded BasicConfigurator.
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