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Former Member
Sep 12, 2007 at 06:35 AM

i am getting the following error on MI client

18 Views

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)

at Professional.Servletpage.doHandleEvent(Servletpage.java:109)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGetNotThreadSafe(AbstractMEHttpServlet.java:347)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.doGet(AbstractMEHttpServlet.java:689)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

at com.sap.ip.me.api.runtime.jsp.AbstractMEHttpServlet.service(AbstractMEHttpServlet.java:313)

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)

at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)

at java.lang.Thread.run(Thread.java:534)

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