Hi all,
where can I find a free area that can let me place jsp into? if any,
please tell me cause I am poor in set up server to run jsp ... but I still
want to try how to write jsp ^^ thank a lots.
Jason
----- Original Message -----
From: Andrew Bruno <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, August 29, 2001 9:39 AM
Subject: Re: Error: JSP Page threw a non-Exception Throwable????
> Hi Celeste,
>
> I wanted to test out the runtime feature, so I set out to test it on
> Tomcat 4b6, win 2000 server.
>
> I created a bat file called hello.bat that simply echoed hello into a
> hello.txt file. I dont have the printer LWPPrint, and I dont know how
> to print from dos command prompt.
>
> The code is very similar to yours, except that I have put the Print
> method inside a main Utils class, and packaged it due to my environemnt
> setup. The other difference is that the hello.bat file returns very
> quickly, and I do not know how to put a timer in the DOS batch files in
> order to test the wait feature. The other difference is since I dont
> have the writer.* log feature, I simply used e.printStackTrace methods
> instead.
>
> It seems to work fine. Below is the code:
>
> ************** Start Utils.java
> package andrewbruno;
>
> import java.io.*;
>
> public class Utils {
>
> public int Print() {
> Runtime rt = Runtime.getRuntime();
> Process proc;
>
> try {
> proc = rt.exec("F:\\myWork\\bin\\hello.bat");
> } catch (IOException e) {
> e.printStackTrace();
> file://("--* exec failed: error " +
e.getMessage());
> return (-1);
> }
>
> int exitStatus = -1000000;
>
> do {
> try {
> exitStatus = proc.waitFor();
> } catch (InterruptedException e) {
> file://writer.writeDebug("wait interrupted
"
> + e.getMessage());
> e.printStackTrace();
> }
> } while (exitStatus == -1000000);
>
> return (exitStatus);
> }//end Print
>
> }//end Utils
> ************** End Utils.java
>
> ************** Start JSP file
>
> <jsp:useBean id="test" scope="session" class="andrewbruno.Utils"/>
>
> <%
> int yes = test.Print();
> if ( yes == (-1) ) { %>
> <H1> Error occurred trying to execute LMWPrint</H1>
> <%} else %>
> <h1>Automation of LMWPrint completed</h1>
>
> ************** End JSP file
>
> I am happy to expand on the above if you'd like me to test any thing
> else.
>
> Thanks for your code example ;)
>
>:ab
>
>
> -----Original Message-----
> From: Haseltine, Celeste [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, 29 August 2001 9:21 AM
> To: [EMAIL PROTECTED]
> Subject: Error: JSP Page threw a non-Exception Throwable????
>
>
> Has anyone every experienced the following exception from a JSP:
>
> Exception javax.servlet.ServletException: JSP Page threw a non-Exception
> Throwable.
>
> I am trying to access a method in a Java class bean called Print from
> within
> my JSP. The Print method resides in a Java class bean (non-visual) that
> contains the following code :
>
> public int Print()
> {
> Runtime rt = Runtime.getRuntime();
> Process proc;
>
> try {
> proc = rt.exec("LMWPrint /L=C:\\Program
> Files\\lmw3\\LabelFiles\\thirty.qdf /P=2");
> } catch (IOException e) {
> writer.writeDebug("--* exec failed: error " +
> e.getMessage());
> return (-1);
> }
> int exitStatus = -1000000;
>
> do {
> try {
>
> exitStatus = proc.waitFor();
> } catch (InterruptedException e) {
> writer.writeDebug("wait interrupted " +
> e.getMessage());
> }
> } while (exitStatus == -1000000);
>
> return (exitStatus);
> }//end Print
>
> The Print method launches another executable called LMWPrint.exe, which
> resides on the same machine as my JSP, Java class bean code and JRUN
> Server.
> Can you NOT start another executable on the same machine from a call
> within
> a JSP to a method in a JavaBean? If I run the JavaBean as a stand alone
> Java class, the Print method works, and spawns off another process that
> opens LMWPrint.exe. But when I call the Print method from a JSP as
> follows:
>
> <jsp:useBean id="Test" scope="session" class="TestProcess"/>
>
> <%
> int yes = Test.Print();
> if ( yes == (-1) ) {%>
> <H1>Error occurred trying to execute LMWPrint</H1>
> <%} else %>
> <h1>Automation of LMWPrint completed</h1>
>
> I get the above error message.
>
> Anyone have an ideas/suggestions?
>
> Celeste
>
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> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
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>
> To unsubscribe: mailto [EMAIL PROTECTED] with body: "signoff
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> Some relevant FAQs on JSP/Servlets can be found at:
>
> http://java.sun.com/products/jsp/faq.html
> http://www.esperanto.org.nz/jsp/jspfaq.html
> http://www.jguru.com/jguru/faq/faqpage.jsp?name
http://www.jguru.com/jguru/faq/faqpage.jsp?name
>
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For digest: mailto [EMAIL PROTECTED] with body: "set JSP-INTEREST DIGEST".
Some relevant FAQs on JSP/Servlets can be found at:
http://java.sun.com/products/jsp/faq.html
http://www.esperanto.org.nz/jsp/jspfaq.html
http://www.jguru.com/jguru/faq/faqpage.jsp?name=JSP
http://www.jguru.com/jguru/faq/faqpage.jsp?name=Servlets
