导入参数“QUERY_TABLE”=“LTAP”中有三个不同的表(OPTIONS,FIELDS和DATA)。 我创建了一个java程序来显示表FIELDS列FIELDNAME与帮助函数RFC_READ_TABLE。使用JAVA时不可用Table_not_available RFC_READ_TABLE
它总是出现错误com.sap.conn.jco.AbapException:(126)TABLE_NOT_AVAILABLE:TABLE_NOT_AVAILABLE消息类别DA类型E的300中,当我调用该方法step2WorkWithTable()。 任何人都可以解释错误吗?以及如何解决它?
我的代码:
import java.util.Properties;
import com.sap.conn.jco.AbapException;
import com.sap.conn.jco.JCoDestination;
import com.sap.conn.jco.JCoDestinationManager;
import com.sap.conn.jco.JCoException;
import com.sap.conn.jco.JCoFunction;
import com.sap.conn.jco.ext.DestinationDataProvider;
import com.sap.conn.jco.JCoStructure;
import com.sap.conn.jco.JCoTable;
public class RFC_Read_Table {
public static void main(String[] args) throws JCoException
{
System.out.println("Step1: connect SAP without Pool");
step1Connect();
System.out.println("");
System.out.println("Step2: call RFC_Read_Table ");
step2WorkWithTable();
System.out.println("--------------------------------");
System.out.println("finished");
}
static {
String DESTINATION_NAME1 = "mySAPSystem";
Properties connectProperties = new Properties();
connectProperties.setProperty(DestinationDataProvider.JCO_ASHOST, "ABC");
connectProperties.setProperty(DestinationDataProvider.JCO_SYSNR, "33");
connectProperties.setProperty(DestinationDataProvider.JCO_SAPROUTER, "/A/123/");
connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, "100");
connectProperties.setProperty(DestinationDataProvider.JCO_USER, "UserID");
connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, "Passwort");
connectProperties.setProperty(DestinationDataProvider.JCO_LANG, "de");
createDestinationDataFile(DESTINATION_NAME1, connectProperties);
}
private static void createDestinationDataFile(String destinationName, Properties connectProperties) {
File destCfg = new File(destinationName+".jcoDestination");
try
{
FileOutputStream fos = new FileOutputStream(destCfg, false);
connectProperties.store(fos, "for tests only !");
fos.close();
}
catch (Exception e)
{
throw new RuntimeException("Unable to create the destination files", e);
}
}
public static void step1Connect() throws JCoException
{
try {
JCoDestination destination = JCoDestinationManager.getDestination("mySAPSystem");
System.out.println("connected");
destination.ping();
} catch (JCoException e) {
e.printStackTrace();
System.out.println("not connected");
}
}
public static void step2WorkWithTable() throws JCoException
{
JCoDestination destination = JCoDestinationManager.getDestination("mySAPSystem");
JCoFunction function = destination.getRepository().getFunction("RFC_READ_TABLE");
if (function == null)
throw new RuntimeException("RFC_Read_Table not found in SAP.");
try
{
function.execute(destination);
}
catch(AbapException e)
{
System.out.println(e.toString());
return;
}
function.getImportParameterList().setValue("QUERY_TABLE","LTAP");
JCoTable codes = function.getTableParameterList().getTable("FIELDS");
codes.appendRow();
for (int i = 0; i < codes.getNumRows(); i++)
{
codes.setRow(i);
System.out.println(codes.getString("FIELDNAME"));
}
codes.firstRow();
for (int i = 0; i < codes.getNumRows(); i++, codes.nextRow())
{
function = destination.getRepository().getFunction("RFC_READ_TABLE");
if (function == null)
throw new RuntimeException("RFC_READ_TABLE not found in SAP.");
function.getImportParameterList().setValue("FIELDNAMEID", codes.getString("FIELDNAME"));
try
{
function.execute(destination);
}
catch (AbapException e)
{
System.out.println(e.toString());
return;
}
JCoStructure detail = function.getExportParameterList().getStructure("FIELDS");
System.out.println(detail.getString("FIELDNAME"));
}
}
}
嗨,欢迎来到Stack Overflow,请抽出时间通过[欢迎导览](https://stackoverflow.com/tour)了解你的方式(https://stackoverflow.com/help/mcve)并检查[如何提出好问题](https)(https://stackoverflow.com/help/mcve),以及如何创建[最小,完整和可验证的示例] ://stackoverflow.com/help/how-to-ask)所以你增加了获得反馈和有用答案的机会。 – DarkCygnus
您在哪一行发生错误,请将其添加到您的问题 – DarkCygnus
@GrayCygnus:谢谢您的信息。当我调用方法step2()时,它出现错误com.sap.conn.jco.AbapException:(126)TABLE_NOT_AVAILABLE:TABLE_NOT_AVAILABLE类DA类型E的消息300 –