Getting the InitialContext in an application client

I have an application client deployed in my application. When I run the client like this:
java -jar reconcile-client/reconcile-client.jar
It is failing with this exception when trying to look up anything through the InitialContext object:
Exception in thread "main" javax.naming.NoInitialContextException: Need to specify class name in environment or system property, or as an applet parameter, or in an application resource file: java.naming.factory.initial
        at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:640)
        at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
        at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:280)
        at javax.naming.InitialContext.lookup(InitialContext.java:347)
        at aoc.arkansas.ReconcileClient.main(ReconcileClient.java:26)Is there another way I should be running the client? According to this link I shouldn't have to supply any information to the constructor of the InitialContext object. http://download.oracle.com/docs/cd/B32110_01/web.1013/b28221/servjndi011.htm

You missed the part where it says you have to use "oracle.j2ee.naming.ApplicationClientInitialContextFactory" and that you should see "Configuring an Oracle Initial Context Factory" (http://download.oracle.com/docs/cd/B32110_01/web.1013/b28221/servjndi011.htm#CIACBCHB). Follow that link and you'll find you have to pass in a map with the "java.naming.factory.initial" property set to that factory, and with the "java.naming.provider.url" property set up to point to the OC4J server.

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you have used
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I am getting the following error on MI client

thanks jo 4 ur help ,
Error: 500
Location: /PROFESSIONAL/start
Internal Servlet Error:
java.lang.NullPointerException
     at Professional.Sync.getHeaderFieldNames(Sync.java:104)
     at Professional.Sync.readEntities(Sync.java:256)
     at Professional.bean.DataHandler.instance(DataHandler.java:49)
     at Professional.Servletpage.getBeansFromContext(Servletpage.java:129)
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     at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGet(AbstractMEHttpServlet.java:689)
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     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)
     at org.apache.tomcat.core.Handler.service(Handler.java:287)
     at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
     at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:806)
     at org.apache.tomcat.core.ContextManager.service(ContextManager.java:752)
     at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:213)
     at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
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code/////////////////////////////////////
public String[] getHeaderFieldNames(String syncBoName) {
           try
            SyncBoDescriptor sbd = descriptorFacade.getSyncBoDescriptor(syncBoName);
<b> RowDescriptor trd = sbd.getTopRowDescriptor();</b>
           String[] arrayFieldNames = new String[trd.getFieldCount()];
           tableHeaderNamesToDisplay = new String[trd.getFieldCount()];
           int i = 0;
           if (trd.getFieldCount() > 0) {
                FieldDescriptorIterator fdi = trd.getAllFieldDescriptors();
                while (fdi.hasNext()) {
                     // load array with name foer headers defined in the properties file
                     arrayFieldNames<i> = fdi.next().getFieldName();
                     tableHeaderNamesToDisplay<i> = GetProperties.getString(arrayFieldNames<i>);
                     i++;
                return arrayFieldNames;
           } else {
                System.out.println("SmartSyncDBAccess.getHeaderFieldNames - Array of Header Field Names is empty");
                return null;
          catch(Exception e)
                                        System.out.println(e.getMessage());
                                        System.out.println(e.getStackTrace());
                                        System.out.println(e.toString());
                              return null;
its pointing to this line
<b> RowDescriptor trd = sbd.getTopRowDescriptor();</b>
thnks jo

hi sara,
check if you the syncbo name you are passing to the
getHeaderFieldNames(String syncBoName)
exist in your xml metadata. if this is a new syncbo which you have just added,
you might need to redeploy your application with the updated xml metadata in
it. you can then try to list up what syncbos you have in your application.
regards
jo

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