Subhash Pavuskar

I have the following script in a jsp page.

String homesDir = response.encodeURL(request.getContextPath());
homesDir=homesDir+"/"+request.getParameter("user");

i got homesDir= /spaceplanner-portlet;jsessionid=EB503511999BB15533D4F3A6BD40965B/20tech

why is this session id getting appended to the root path.???

Because of this path data is not getting saved.

stacktrace................

Feb 22, 2013 6:51:46 AM org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet in context with path [/spaceplanner-portlet] threw exception [java.io.FileNotFoundException: \spaceplanner-portlet;jsessionid=1D1A0F20C4845A5029B15E76BA2AF5D6\preferences.xml (The system cannot find the path specified)] with root cause java.io.FileNotFoundException: \spaceplanner-portlet;jsessionid=1D1A0F20C4845A5029B15E76BA2AF5D6\preferences.xml (The system cannot find the path specified) at java.io.FileOutputStream.open(Native Method) at java.io.FileOutputStream.<init>(FileOutputStream.java:179) at java.io.FileOutputStream.<init>(FileOutputStream.java:131) at org.apache.jsp.online.writePreferences_jsp._jspService(writePreferences_jsp.java:70) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116) at sun.reflect.GeneratedMethodAccessor224.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:67) at $Proxy390.doFilter(Unknown Source) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:72) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:167) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:95) at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:70) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:206) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:108) at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:73) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619)

Hello Everyone !!

Can anyone please explain is that possible to extend inner class if yes then please give me the snippet of code.

Thanks

Yeah you are right !!

@Jesper de Jong: Thanks For fast reply.
Well this pictorial diagram from Wikipedia and i am shocked they providing wrong info Link http://en.wikipedia.org/wiki/Java_collections_framework

@Jesper de Jong :

Hi i found this in Wiki Link so i got confused with this bcs both performing same opeartion !!

What is the Difference between Stack and ArrayStack ?

Hi All,
It may silly question but any how need to know more details.

The difference between Vector and ArrayList is thread safe whereas Arraylist is not. but as the arraylist can be make synchronized what is the necessity of Vector?

also Enumeration and Iterator?

thanks in advance.

Thanks For your response guys !!!
@Wendy Gibbons : No i wanna Try it out through terminal like to get back up of table we use command Ex " mysqldump -u admin -p admin --no-data accounts > accounts.sql"
so is that possible to copy the table from one schema to another using terminal ?

How to copy a table from one Schema to another Schema table In MySql ?

Can any one tell me good site to get project Ideas ?

http://techno-cratic.blogspot.in/2008/11/many-public-classes-in-1-java-file.html

Put your complete code so that we can solve your problem easily.

<?xml version="1.0" encoding="ISO-8859-1"?>
<!-- Edited by XMLSpy® -->
<catalog>
<cd>
<title>Empire Burlesque</title>
<artist>Bob Dylan</artist>
<country>USA</country>
<company>Columbia</company>
<price>10.90</price>
<year>1985</year>
</cd>
<cd>
<title>Hide your heart</title>
<artist>Bonnie Tyler</artist>
<country>UK</country>
<company>CBS Records</company>
<price>9.90</price>
<year>1988</year>
</cd>
<cd>
<title>Greatest Hits</title>
<artist>Dolly Parton</artist>
<country>USA</country>
<company>RCA</company>
<price>9.90</price>
<year>1982</year>
</cd>
<cd>
<title>Still got the blues</title>
<artist>Gary Moore</artist>
<country>UK</country>
<company>Virgin records</company>
<price>10.20</price>
<year>1990</year>
</cd>
<cd>
<title>Eros</title>
<artist>Eros Ramazzotti</artist>
<country>EU</country>
<company>BMG</company>
<price>9.90</price>
<year>1997</year>
</cd>
<cd>
<title>One night only</title>
<artist>Bee Gees</artist>
<country>UK</country>
<company>Polydor</company>
<price>10.90</price>
<year>1998</year>
</cd>
<cd>
<title>Sylvias Mother</title>
<artist>Dr.Hook</artist>
<country>UK</country>
<company>CBS</company>
<price>8.10</price>
<year>1973</year>
</cd>
<cd>
<title>Maggie May</title>
<artist>Rod Stewart</artist>
<country>UK</country>
<company>Pickwick</company>
<price>8.50</price>
<year>1990</year>
</cd>
<cd>
<title>Romanza</title>
<artist>Andrea Bocelli</artist>
<country>EU</country>
<company>Polydor</company>
<price>10.80</price>
<year>1996</year>
</cd>
<cd>
<title>When a man loves a woman</title>
<artist>Percy Sledge</artist>
<country>USA</country>
<company>Atlantic</company>
<price>8.70</price>
<year>1987</year>
</cd>
<cd>
<title>Black angel</title>
<artist>Savage Rose</artist>
<country>EU</country>
<company>Mega</company>
<price>10.90</price>
<year>1995</year>
</cd>
<cd>
<title>1999 Grammy Nominees</title>
<artist>Many</artist>
<country>USA</country>
<company>Grammy</company>
<price>10.20</price>
<year>1999</year>
</cd>
<cd>
<title>For the good times</title>
<artist>Kenny Rogers</artist>
<country>UK</country>
<company>Mucik Master</company>
<price>8.70</price>
<year>1995</year>
</cd>
<cd>
<title>Big Willie style</title>
<artist>Will Smith</artist>
<country>USA</country>
<company>Columbia</company>
<price>9.90</price>
<year>1997</year>
</cd>
<cd>
<title>Tupelo Honey</title>
<artist>Van Morrison</artist>
<country>UK</country>
<company>Polydor</company>
<price>8.20</price>
<year>1971</year>
</cd>
<cd>
<title>Soulsville</title>
<artist>Jorn Hoel</artist>
<country>Norway</country>
<company>WEA</company>
<price>7.90</price>
<year>1996</year>
</cd>
<cd>
<title>The very best of</title>
<artist>Cat Stevens</artist>
<country>UK</country>
<company>Island</company>
<price>8.90</price>
<year>1990</year>
</cd>
<cd>
<title>Stop</title>
<artist>Sam Brown</artist>
<country>UK</country>
<company>A and M</company>
<price>8.90</price>
<year>1988</year>
</cd>
</catalog>


Can any tell me the code that how to retrieve Above XML data into JSP using JSTL.

In my JSP page i wrote this code for Retrieving and inserting in to the database,here retrieving works perfectly but when i am trying to insert to the database its not getting inserted can anyone please help me on this?

here is the code :
<%@ taglib uri="http://java.sun.com/portlet_2_0" prefix="portlet" %> <portlet:defineObjects /> <%@ page import="javax.portlet.PortletRequest"%> <%@ page import="java.util.Map"%> <%@ page import="java.sql.*" %> <%@ page import="java.io.*" %> <%@ page import="java.io.*" %> <%@ page import="com.liferay.portal.theme.ThemeDisplay"%> <%@ page import="com.liferay.portal.service.UserLocalServiceUtil"%> <%@ page import="com.liferay.portal.model.User"%> <%@ page import="com.liferay.portal.kernel.util.WebKeys"%> <%@ page import="com.liferay.portal.model.Contact"%> <%@ page import="com.liferay.portal.service.OrganizationLocalServiceUtil"%> <%@ page import="java.util.List"%> <%@ page import="com.liferay.portal.model.Organization"%> <html> <head> <html> <head> <script type="text/javascript"> function callMe(QueryId) { document.getElementById("query").style.visibility="visible"; alert(QueryId); document.<portlet:namespace/>fm11.<portlet:namespace/>queryId.value=QueryId; } </script> </head> <body > <% ResultSet rs = null;%> <% try { String connectionURL = "jdbc:mysql://localhost/lportal"; Connection connection = null; Statement statement = null; Class.forName("com.mysql.jdbc.Driver").newInstance(); connection = DriverManager.getConnection(connectionURL,"root","root"); statement = connection.createStatement(); String QueryString = "SELECT * from CompanyQuery"; rs = statement.executeQuery(QueryString); } catch(Exception e) { out.println("dataBase Error"); } %> <table width="700px"> <tr bgcolor="#E2E2E2"> <th width="20%" height="25px"> <b>QueryId</b> </th> <th width="20%"> <b>Queries</b> </th> <th width="20%"> <b>Date And Time</b> </th> <th width="20%"> <b>Status</b> </th> <tr> <% while(rs.next()) { %> <tr> <td> <a href="#" onclick="callMe(<%=rs.getString("QueryId")%>)"><%=rs.getString("QueryId")%></a> </td> <td> <%=rs.getString(2)%> </td> <td> <%=rs.getString(3)%> </td> <td> <%=rs.getString(4)%> </td> </tr> <% } %> </table> <div id="query" style="visibility:hidden"> <form name="<portlet:namespace/>fm11" action="" method="post"> <input type="hidden" name="<portlet:namespace/>action"> <p>QueryId</p><br/> <input type="text" name="<portlet:namespace/>queryId"/><br/> <p>Answer</p> <input type="text" name="<portlet:namespace/>ans"/><br/> <input type="submit" value="submit"/> <input type="reset" value="reset"/> </form> <c:if test="${pageContext.request.method=='POST'}"> <c:catch var="exception"> <sql:update dataSource="${dataSource}" var="updatedTable"> INSERT INTO AnsweredQuery (QueryId,Anwered) VALUES (?, ?); <sql:param value="${param.QueryId}" /> <sql:param value="${param.Anwered}" /> </sql:update> <c:if test="${updatedTable>=1}"> <font size="5" color='green'> Congratulations ! Data inserted successfully.</font> </c:if> </c:catch> <c:if test="${exception!=null}"> <c:out value="Unable to insert data in database." /> </c:if> </c:if> </div> </body> </html>

thanks for all yours reply.

Can any one please tell me In Liinux what is the procedure to remove 8080 port ?
For Ex : By default it will be " http://localhost:8080"
i want it to make "http://localhost " "