Struts alternative to...

Hello folks,
During my free time I'm in the process of re-writing a web app I coded in the near past.
It's an online magazine builder, basically, this tool uses a database to store the articles being edited before they are ready for production. Once the whole bunch of articles are ready for the public, a kind of routine DB 2 XML is called and generates a XML version of this current magazine issue, then another routine is called(kind of XML 2 HTML, using SAX) and generates the whole .jsp version(paged version, printer friendly version and table of contents with all related links between them) of the entire magazine issue. Then another routine is called in order to transform the XML <article> element in pdf version using jakarta fop.
Now, I decided to produce static .jsp version of the articles to release the DB Server from serve static contents since once the articles are done, it is very unprobable that they will change, anyway if the articles changes, they could be generated again to any version. But it will be uncommon from fix articles every week, so this way the response time would be a lot lesser than read the articles from DB.
While using struts I have found a limitation in order to achieve this goal, and it is related to the following policy:
1) Not all articles are public for all users
These means that I'm using struts action mapping roles to tell the my custom struts processor to avoid unauthorized user from read article "x".
The point is that I can use the same approach I used in the old version: process the "policy" in jsp file, but this is not a MVC approach, this is not a struts approach.
BUT what alternative or solution does Struts can give?
I mean, since a lot of jsp files are created, they are in a "hidden" directory, they can only be accessed through Struts actions, but since the files are new, how can I set up the struts's configuration "structure" at runtime and without restarting the server?
It would be pretty nice that newly created .jsp could be associated to an action mapping and an action class.
Any suggestion?
Regards,
OO

did u consider using struts tiles?
http://struts.apache.org/userGuide/dev_tiles.html

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Alternative to HTML Frame in struts/jsp

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did u consider using struts tiles?
http://struts.apache.org/userGuide/dev_tiles.html

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Has anyone tried this or experienced this problem.
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Some of Code:
function selectFolder(folderName,doExpandPath)
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May I ask why have you done it?
If it is related to printing of the list then it is of no use.But it IS of use. The objects compEmployees is in scope.
It has the list we want to print out.
With logic:iterate:
<table>
     <tr>
       <th>Number</th>
       <th>Employee</th>
     </tr>
     <logic:iterate name="compEmployees" property="totalEmps" id="emp">
          <tr>
            <td>
              <bean:write name="emp" property="empNo"/>
            </td>
            <td>
              <bean:write name="emp" property="empName"/>
            </td>
          </tr>
     </logic:iterate>
</table>or alternatively with JSTL and c:forEach
<table>
     <tr>
       <th>Number</th>
       <th>Employee</th>
     </tr>
     <c:forEach items="${compEmployees.totalEmps}" var="emp">
          <tr>
            <td>
              <c:out value="${emp.empNo}"/>
            </td>
            <td>
              <c:out value="${emp.empName}"/>
            </td>
          </tr>
     </c:forEach>
</table>Cheers,
evnafets

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Java Developer

Hi Roland.
Yes, you are right. This does not seem to be working in the 9.0.3.x code base. I checked the 9.0.3.4 release and all the available patches and I don't see it as being fixed.
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Thanks a lot
You can reply to [email protected]

Thanks for your response.
We actually use oracle 8.1.7 and 9iAS (PL/SQL gateway and http server). We would like to jump on the Java Bandwagon before we are left in the dust. We first need to be able to understand a lot of technology/concepts/buzzwords.
We started basic Java programming (Applications) but would prefer to get an idea of "The big picture".
By that, I mean, we need to be able to understand/design/architect sound applications and be able to talk to the community and understand what they are saying. Right now, reading the media or forums is just a big bunch of buzzwords that are ever changing and we cannot get a grasp on it.
We not only need to get aquainted with the concepts, but we also need to be able to determine wether product xyz fits in the architecture, etc...
If you were to get a couple of good books to answer some questions, where would you begin ?
Kind of questions we might have are:
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- What excatly is tomcat ? A replacement for Jserv ?
- Can Jserv be used as a container for struts apps or do you need tomcat ? If you need tomcat, does it come with some version of 9ias ?
- What is a java web service ?
- I read a lot about Enterprise Java Beans etc.. What are they, what are there purpose ? It seems like it is a standard, what are they used for ? If it is a standard, does this mean that If I buy a set of EJB from a vendor, it would offer the same beans as another vendor ? Is Oracle BC4J an implementation of EJB with added functionality ? Is it proprietary ?
- Buzzwords everywhere: MVC, EJB, J2EE, BC4J etc.. What are the definitions.
- Is oracle's java vision proprietary or are they really following the rest of the world ? For example, is BC4J compatible with EJB ?
- What is a Framework
- What exactly is JSP.
- Can STRUTS be used to access an oracle database ? If so, what are the required components (I guess you need JDBC or SQLJ) but does the oracle database need to be java enabled ?
- Even if you use oracle 9ias as an application server, can you use non-proprietary development methods/architectures/techniques that could be easily implemented somewhere else using another vendor's application server (Ex: Apache + Tomcat, WebSphere, etc...)
- Struts seems to be an interesting thing. I see that it was developped to encourage code reuse and prevent everyone from reinventing the wheel. But I cannot understand what exactly a developper had to write before struts was there. I mean, there must be alternatives to strut, if so what is the purpose of the framework ?
A lot of questions, but we need to understand the basics before we jump on the java bandwagon. If we wait, we'll be left in the dust and we need to keep current.
Thanks in advance.

Using Struts with Oracle

Hi
I need to use the struts framework with oracle (10g express edition), I am using eclipse IDE. anyone please help me. I dont know how to set these up for use..

Struts doesn't define anything for the data access layer.
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2 - Use a tool like hibernate to do your data layer handling.
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hi hguaymas
You write "+I don't know another way to put my errors and confirmations messages on the page.+".
Maybe you could post some short relevant pieces of code of how you do this in 10.1.2, this could help others to suggest an alternative in more recent JDeveloper versions, possibly using the API of this PageController :
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hi,
i'm new to struts concepts.here i'm trying to write a value in html struts tag using <bean:write>
my current tag is
<html:text property="empname" value='<bean:write name="employee" property="empid">' />
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what am I doing wrong?You will notice above that I mentioned
YOU CAN'T USE CUSTOM TAGS AS ATTRIBUTES TO OTHER CUSTOM TAGS
(was that loud enough for you to notice this time)?
Try
<html:text styleId="instruction" styleClass="text" size="50" name="instruction" property="value"/>
//or
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Hi..
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javax.servlet.ServletException: Cannot find bean: "" in any scope
Below are my class:
action class
session.setAttribute ("MyDetailList", detailList);
JSP page
<logic:iterate id="list" name="MyDetailList">
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JSP Page
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zul

what am I doing wrong?You will notice above that I mentioned
YOU CAN'T USE CUSTOM TAGS AS ATTRIBUTES TO OTHER CUSTOM TAGS
(was that loud enough for you to notice this time)?
Try
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//or
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better alternative: populate your formbean with your action and just have:
<html:text styleId="instruction" styleClass="text" size="50" property="instruction"/>
If you set the "instruction" property of your formBean in the action, the value will be automagically reflected here.
Cheers,
evnafets

Polling in BC4J Struts

Hi folks,
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I basically need to call an oracle report from java. I do this by having a custom implementation of the rwservlet. The oracle report generates a PDF file locally. Which I then need to store on my Database as a BLOB.
I know how to call the report.
I know where the pdf is located.
I know how to store and retrieve the pdf from the DB through Struts.
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K

There is another danger related to this security hole:
Struts suggests to locate JSPs below the WEB-INF directory to protect them from direct access. A JSP located here cannot be accessed directly but only using the appropriate action.
One common approach implement security in a struts framework is to perform the required checks in actions. A user not logged in might for example been forwarded to the login screen instead of the requested page.
If an Application relies on this fact and assumes that it is not possible to call a JSP located in WEB-INF without using the appropriate actions, this bug here opens another hole:
The "currentPath" Parameter allows a user to call any JSP on your Web-Server! Simply modify the URL to look like this:
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Frank Brandstetter

Struts tutorials

I already searched all post in this forum regarding struts tutorial.currently im looking for other alternative method to practice myself in struts using oracle jdeveloper
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Go to http://otn.oracle.com and search for "struts". There are lots of links including tutorials.
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/************ code ***************/
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StreamSource style = new StreamSource("page.xsl");
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e.printStackTrace(out);
/************ stack trace **************/
javax.xml.transform.TransformerConfigurationException: Could not compile stylesheet at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:824) at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTransformer(TransformerFactoryImpl.java:619) at RSSFeed.Transformxml.execute(Transformxml.java:80) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414) at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:362) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744) at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) at java.lang.Thread.run(Thread.java:595)
I am very much new to java and just can't figure out whats wrong. Can anyone tell me the mistake or suggest any other alternative. I need help fast. I shall really appreciate it.
Thanx

I stuck with this same issue today and managed to resolve:
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Struts Download action portlet:UnsupportedEncodingException

Hi,
I'm developing a struts application inside Oracle Portal, when i click on a
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received IOException
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at oracle.portal.provider.v2.render.http.AbstractResourceRenderer.renderBody(Unknown Source)
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at java.lang.reflect.Method.invoke(Method.java:324)
at oracle.webdb.provider.v2.adapter.SOAPServlet.doHTTPCall(Unknown Source)
at oracle.webdb.provider.v2.adapter.SOAPServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
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at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].server.http.AJPRequestHandler.run(AJPRequestHandler.java:224)
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at com.evermind[Oracle Application Server Containers for J2EE 10g (10.1.2.0.2)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
---end
so it seems that struts forward in oracle have to be only text/html files
but i don't wanto to go tio another page, just download a file on the same page
after some control in my action.
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Regards,
Francesco Rizzello

Hi,
I have done everything as mentioned by various web sites to develop a pdk-struts form, my java code compiles, the jsps compiles everything compiles correctly, and the portal shows up.
I also put a HTML form in it.
When a I deploy I can see and work with the HTML form but the portal is not recogniziing the pdk-struts tags, though I made the pdk-struts-html.tld part of the WEB-INF/ yet it wont show up the pdk-struts form.
Any help regarding this will be highly appreciated.
Regards,
Ram Srinivasan

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All,
myself developing a website for my company for applying 'jobs ' by employees and visitors
for regestering , functionality is similar to how we have in java.sun.com site when we login as a new user who does not have a sun account
my doubt was when the user registers and then logs in, , he gets 'Welcome.. ... ' and also a mail is sent to him saying 'Confirmation of Account'
this mail is sent along with subject , body
i also have to implement something similar using Struts Framework ?
Do i use Java mail ? or any other alternative?
Rgds

... besides which you don't actually USE struts or JSP to send mail.
Its just plain java code - the same as you would use in any java application.
Struts/JSP have no support for sending email.
They do let you run java code though.
And the java code can call the appopriate class to send mail in java.
Now what would the class be? [url http://java.sun.com/developer/onlineTraining/JavaMail/contents.html]JavaMail perhaps?

Which framework is preferable JSF 2.0 or Struts 2.1?

Hello everybody ...
I would like to ask this question Which framework is preferable JSF 2.0 or Struts 2.1?
The comparison it could be in terms of the efficiency,less failures , facility, simple to use , the other technical perspectives .
And which one is very useful in CRUD apps .

I received your comment on the blog post in my mailbox, but it doesn't actually show up on the website for one reason or another. Let me address it here in the hopes you find it.
Is JSF 2.1 the best to use for e-commerce and social application "bond together" Maybe. It all depends on your requirements. Like I state in the article, if you need lots of control over the front-end with javascript, Ajax, DHTML and whatnot then JSF might not be the right choice.
and the important goal for this application is the availability and the very efficient respond from the server for the millions and millions of the clients request, That does not depend on code. It depends on the server software, the server hardware and the configuration. You are not going to learn how to make this happen by asking questions in a forum, it will require plenty of study and experimentation. If you expect millions of client requests then only one server is probably not going to cut it for example; you'll have to start thinking about clustering. Whole books can be written about that subject, and probably have.
for sure If I am using Jboss , and by the way which is the really good application servers and web servers either is it Jboss or glassfish server . Both JBoss 7+ and Glassfish V3+ are excellent and fast Application Servers. I have always used JBoss so I am biased towards it.
Or there are alternatives out there ,Can you elaborate on them quite bit.There are certainly alternatives, Weblogic 12+, Websphere 8+, Geronimo 3+, probably some others I'm missing. I have no experience with any of them, so I cannot elaborate.
Because I am starting my project I am still confusing my first aim is the efficiency , efficiency in the sense as the user presses submit button the result should be right in front of his/her faceThat depends more on your server setup and the environment it is installed in. You aren't going to magically get good performance by using a specific framework.
for definitely using the suitable web techniques and web services like AJAX and JQuery and other suitable web services which are required , in fact there are so many factors are responsible and must take care of this job like databases ,networking and OS platforms stuff.I don't know if you're asking something here or just making a statement :/

Struts alternative to...

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