Java/Template called by JSP Suggestion
Hi, I have a java class called it "A.java" (for the look and feel) that contains the template for the front end(JSP).
Then, the jsp call the "A.java", asking for appropriate template for this page, and the "A.java" returning a string (appended string) containing a bunch of html code.
for examples, inside "A.java"
public String template (String content, String title)
String a = "<body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">";
a+= title;
a += "<table width="100%" border="0" cellspacing="0" cellpadding="5"> <tr>" + content;
a += "<td colspan="2" align="left" valign="top"> <font size="1" face="Impact"> <font size="7">";
return a;
My questions is, is there any better way to return that whole html code in some other way, instead of returning the string appended w/ long html code?
Any Idea will be appreciated, THANKS
Hint...
Usually, I jsp:include a header.html file at the top and a footer.html file at the bottom.
Anything in between is the JSP...
Sometimes my header.html starts a table, row, cell <td> ...
then the footer.html file finishis it </td>, row, table, etc... The entire JSP output is contained in the cell. Easy to re-use.
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Hi All,
We are facing "java.lang.ClassCastException" in JSP page. Below are JSP code, printStackTrace and compiled JSP (from Application Server) file.
We are using Struts 1.2.7, JDK 1.4.2 and Oracle 10g OC4J.
JSP Code:
<nested:iterate property="coverage">
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08/03/26 15:48:07 java.lang.ClassCastException
08/03/26 15:48:07 at jsp.quickquote._Coverages._jspService(_Coverages.java:244)
08/03/26 15:48:07 at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:569)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:305)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121)
08/03/26 15:48:07 at com.evermind.server.http.EvermindPageContext.include(EvermindPageContext.java:267)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:99)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
08/03/26 15:48:07 at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:760)
08/03/26 15:48:07 at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:892)
08/03/26 15:48:07 at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:462)
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08/03/26 15:48:07 at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:222)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:239)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:302)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:222)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:318)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
08/03/26 15:48:07 at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
08/03/26 15:48:07 at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:224)
08/03/26 15:48:07 at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133)
08/03/26 15:48:07 at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
08/03/26 15:48:07 at java.lang.Thread.run(Thread.java:534)
Error is coming in compiled JSP:
org.apache.struts.taglib.bean.WriteTag __jsp_taghandler_12=(org.apache.struts.taglib.bean.WriteTag)OracleJspRuntime.getTagHandler(pageContext,org.apache.struts.taglib.bean.WriteTag.class,"org.apache.struts.taglib.bean.WriteTag name property");
In Struts Action we have used below code
CoverageModel[] cs = (CoverageModel[])coverageCol.toArray(new CoverageModel[0]);
f.set("coverage", cs);
We are facing above exception after 6/8 hours of Application restart. . Some time we not facing above exception till 48hrs.
5 users accessing application day time.
e.g.
If we restart server @ 1 PM then try to login with new browser session at 7 PM or 9 PM, we are facing "java.lang.ClassCastException" on JSP page.
If we restart Applcation Server then code is working fine. After restart, we not get null pointer class cast exception for next 6/8 hour.
Please let me know if anybody has any suggestion/solution.
Thanks and Regards,
KailasHi All,
We are facing "java.lang.ClassCastException" in JSP page. Below are JSP code, printStackTrace and compiled JSP (from Application Server) file.
We are using Struts 1.2.7, JDK 1.4.2 and Oracle 10g OC4J.
JSP Code:
<nested:iterate property="coverage">
<tr>
<td class="text" align="left" valign="top" width="198" height="2">
<html:hidden name="coverage" property="coverageType" indexed="true"/>
<bean:write name="coverage" property="coverageDescription"/>
</nested:iterate>
printStackTrace:
08/03/26 15:48:07 java.lang.ClassCastException
08/03/26 15:48:07 at jsp.quickquote._Coverages._jspService(_Coverages.java:244)
08/03/26 15:48:07 at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspPageTable.compileAndServe(JspPageTable.java:569)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:305)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.include(ServletRequestDispatcher.java:121)
08/03/26 15:48:07 at com.evermind.server.http.EvermindPageContext.include(EvermindPageContext.java:267)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesUtilImpl.doInclude(TilesUtilImpl.java:99)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesUtil.doInclude(TilesUtil.java:135)
08/03/26 15:48:07 at org.apache.struts.taglib.tiles.InsertTag.doInclude(InsertTag.java:760)
08/03/26 15:48:07 at org.apache.struts.taglib.tiles.InsertTag$InsertHandler.doEndTag(InsertTag.java:892)
08/03/26 15:48:07 at org.apache.struts.taglib.tiles.InsertTag.doEndTag(InsertTag.java:462)
08/03/26 15:48:07 at jsp.template._mainLayout._jspService(_mainLayout.java:93)
08/03/26 15:48:07 at com.orionserver.http.OrionHttpJspPage.service(OrionHttpJspPage.java:56)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:350)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
08/03/26 15:48:07 at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:222)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.processTilesDefinition(TilesRequestProcessor.java:239)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:302)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forward(ServletRequestDispatcher.java:222)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1063)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.doForward(TilesRequestProcessor.java:263)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:386)
08/03/26 15:48:07 at org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(TilesRequestProcessor.java:318)
08/03/26 15:48:07 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:229)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)
08/03/26 15:48:07 at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
08/03/26 15:48:07 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:824)
08/03/26 15:48:07 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:330)
08/03/26 15:48:07 at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:830)
08/03/26 15:48:07 at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:224)
08/03/26 15:48:07 at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:133)
08/03/26 15:48:07 at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
08/03/26 15:48:07 at java.lang.Thread.run(Thread.java:534)
Error is coming in compiled JSP:
org.apache.struts.taglib.bean.WriteTag __jsp_taghandler_12=(org.apache.struts.taglib.bean.WriteTag)OracleJspRuntime.getTagHandler(pageContext,org.apache.struts.taglib.bean.WriteTag.class,"org.apache.struts.taglib.bean.WriteTag name property");
In Struts Action we have used below code
CoverageModel[] cs = (CoverageModel[])coverageCol.toArray(new CoverageModel[0]);
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We are facing above exception after 6/8 hours of Application restart. . Some time we not facing above exception till 48hrs.
5 users accessing application day time.
e.g.
If we restart server @ 1 PM then try to login with new browser session at 7 PM or 9 PM, we are facing "java.lang.ClassCastException" on JSP page.
If we restart Applcation Server then code is working fine. After restart, we not get null pointer class cast exception for next 6/8 hour.
Please let me know if anybody has any suggestion/solution.
Thanks and Regards,
Kailas -
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Please help me in this problem and I will be very gratefull to you.
1. applet uses the same session id as the browser so that when applet makes a request to the jsp it does not get user invalid exception.
2. the results of the jsp are displayed on the browser and not given to the applet.
Thank you so much for your help.
regards,
Abhishek.I hope this can help you
I made a package calls fun
and a clsss calls JspTestingFun
package fun;
public class JspTestingFun{
private String sample = "welcome to jsp";
//Access sample property
public String getSample() {
return sample;
//Access sample property
public void setSample(String newValue) {
if (newValue!=null) {
sample = newValue;
}then I make a jsp file
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="http://java.sun.com/jstl/sql" prefix="sql" %>
<%@ page import = "fun.JspTestingFun"%>
<html>
<head>
<title>
jspTest
</title>
</head>
<jsp:useBean id="mytest" scope="session" class="fun.JspTestingFun" />
<jsp:setProperty name="mytest" property="*" />
<body bgcolor="#ffffff">
<%
mytest.getSample();
%>
<h1>
Just for testing
</h1>
<form method="post">
<br>Enter anything : <input name="sample"><br>
<br><br>
<input type="submit" name="Submit" value="Submit">
<input type="reset" value="Reset">
<br>
this what we get<jsp:getProperty name="mytest" property="sample" />
</form>
</body>
</html> -
Hi,
I have a sample java code that invokes a Canvas3d and then invokes a 3D object.
Our project goal is to create an online application-- A JSP page which will invoke the java 3d object.
I am working on Oracle JDeveloper and OC4J server.
Currently , the application runs thru a .java file.
I want to know if it is technically possible to create a jsp page and transfer the 3d object generated by this java file onto the JSP?
I tried renaming the main method of the java file to say testMain (made it static method).
Then thru the JSP , i tried to call this testMain method.
It doesnt work.
thanksHI
I was able to add a canvas3D to a webbrowser via an applet. I suppose you can always invoke an applet from a JSP.
Venkat -
Java, Stored Procedure/Function, JSP
Hello All,
Is there any one who can help.
I would like to return a record set from a stored function and display the results with a JSP program.
The same function is currently being used to retrieve data for a related process, but that process uses a procedure to call the function and the results are written to a database table. This works fine.
This time I would like to create a record set and display the results on screen, but I am having problems.
ResultSet rsTimecard = null;
Connection conn = sqlMgr.getConnection();
CallableStatement cs = conn.prepareCall("{ ? = call TA_WEBDBA_HOURS_USE_PKG.aftimecard_jocas_records(to_date('01-OCT-2004', 'DD-MON-YYYY'), to_date('30-OCT-2004', 'DD-MON-YYYY')) }");
cs.registerOutParameter(1, Types.OTHER); // This is line 99. Types.OTHER is the Invalid column type that the system is complaining about.
cs.execute();
rsTimecard = (ResultSet) cs.getObject(1);
<table width="100%">
<%
while(rsTimecard.next())
%>
<tr>
<td colspan="1" width="10%">
</td>
<td colspan="1" width="10%">
<%=rsTimecard.getString(1)%>
</td>
I get:
Application Error
The following error occurred: Invalid column type
java.sql.SQLException: Invalid column type
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:189)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:231)
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:294)
at oracle.jdbc.driver.OracleStatement.get_internal_type(OracleStatement.java:5992)
at oracle.jdbc.driver.OracleCallableStatement.registerOutParameterBytes(OracleCallableStatement.java:250)
at oracle.jdbc.driver.OracleCallableStatement.registerOutParameter(OracleCallableStatement.java:389)
at oracle.jdbc.driver.OracleCallableStatement.registerOutParameter(OracleCallableStatement.java:446)
at com.evermind.sql.FilterCallableStatement.registerOutParameter(FilterCallableStatement.java:373)
at aftimecard.jsp._PSRptView._jspService(PSRptView.jsp:99)
at oracle.jsp.runtime.HttpJsp.service(HttpJsp.java:139)
at oracle.jsp.runtimev2.JspPageTable.service(JspPageTable.java:349)
at oracle.jsp.runtimev2.JspServlet.internalService(JspServlet.java:509)
at oracle.jsp.runtimev2.JspServlet.service(JspServlet.java:413)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:778)
at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:317)
at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:790)
at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:186)
at java.lang.Thread.run(Thread.java:534)Rufus,
Have you seen the Refcursor Sample? I believe it will help you.
http://tinyurl.com/5r6hm
Good Luck,
Avi. -
Hello!
I'm just beginning and can't understand one thing:
When I create JSPDynPage, system create JSP and JAVA file - it's clear. Then I add elements to form in JSP, for example, Layout.
Can I add, for example, row into that Layout in .java file?
.JSP:
<hbj:form>
<hbj:formLayout
id="myLayout"
width="100%">
<hbj:formLayoutRow
id="Row1">
<hbj:formLayoutCell
id="Cell11"
align="LEFT"
width="100%">
<hbj:textView
id="welcome_message"
text="May the force be with you unknown user"
design="HEADER1" />
</hbj:formLayoutCell>
</hbj:formLayoutRow>
</hbj:formLayout>
</hbj:form>
.JAVA:
public void doProcessBeforeOutput() throws PageException {
this.setJspName("myjsp.jsp");
Form Reg_Form = null;
FormLayout RF_All = new FormLayout();
Tray Left_Tray1 = new Tray("TrayRules1");
Reg_Form = (Form)this.getForm();
RF_All = (FormLayout) this.getComponentByName("myLayout");
for (int i = 1; i <= 3; i++ ) { RF_All.addRow(); }
Left_Tray1.setTitle("Sample Title");
Left_Tray1.setWidth("100%");
TextView Left_Tray1_text = new TextView("Left_Tray1_text");
Left_Tray1_text.setText("Sample Text");
Left_Tray1_text.setEncode(false);
Left_Tray1_text.setWrapping(true);
Left_Tray1.addComponent(Left_Tray1_text);
RF_All.addComponent(2,1, Left_Tray1);
Reg_Form.addComponent(RF_All);
That code don't display Tray in page...Paul,
I suggest you not to add the your business logic in that auto generated file.
Instead you can have seperate java file or any Bean.
Since you are writing the logic for layout you can add the code in the jsp file
itself.
If you are using HTMLB Then keep the auto generated code in the jsp otherwise remove the code and keep the file as jsp meaning you use the html, javascript,
jsp code in the .jsp file itself.
you can add the java code in the jsp
<% String strName = "SAP"; %>
<sc ript>
al ert("<%=strName%>");
</sc ript>
Ram
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