Cannot find PortableRemoteObject
Greetings:
I am attempting to compile an EJB test client using the Sun tools. I am running on a Red Hat Linux environment. My classpath is as follows:
CLASSPATH=/home/work/research/jdk1.3.1_01
and I am attempting to do the compile using compile.sh, which contains the following script:
J2EE_HOME=/home/work/research/j2sdkee1.3
WKHOME=/home/work/research/testbean/practice1
CPATH=.:$J2EE_HOME/lib/j2ee.jar:$WKHOME/ClientJar1.jar
javac -classpath "$CPATH" TestClient1.java
Note that TestClient1.java is in the same directory as compile.sh. ClientJar1.jar is the client jar generated when I used deploytool to deploy my test Javabean.
When I run the script, I get the following error message:
"TestClient1.java:1: error:Cannot find type "javax/rmi/PortableRemoteObject"
I have searched through j2ee.jar, rt.jar, and a number of other jar files throughout the SDK and the J2EE. I can find no reference to PortableRemoteObject.
Have I found a bug in JDK1.3? If not, then how do I include this class so I can compile my files???
-Factor Three
Derek:
I do not know why I didn't find it before, having looked at rt.jar before, but that seems to have solved my problem. I must have been looking at the wrong rt.jar (the one I searched wasn't in the jre directory) or maybe I screwed up my grep call. Regardless, I can compile now.
Of course, now I have a runtime problem, but that is a different matter.
Thanks.
Factor Three
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<field-name>itemID</field-name>
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<cmp-field>
<field-name>entityID</field-name>
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<field-name>currency</field-name>
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please help me out of this trouble.I'm trying to call an entity bean froma session bean i get the error :-
7/02/27 14:35:25 javax.ejb.ObjectNotFoundException: Exception [EJB - 10008]: Cannot find bean of type [SalesBean] using finde
[findByCustID].
7/02/27 14:35:25 at oracle.toplink.internal.ejb.cmp.EJBExceptionFactory.objectNotFound(EJBExceptionFactory.java:325)
7/02/27 14:35:25 at oracle.toplink.internal.ejb.cmp.finders.Finder.checkNullResult(Finder.java:224)
My session bean looks like this :-
public class HelloBean implements SessionBean
public String helloWorld (String pzCustomerID) throws SQLException,RemoteException
String lzRevenue=null;
int liCustomerID=Integer.parseInt(pzCustomerID);
try
Context initial = new InitialContext();
Object objref = initial.lookup("SalesBean");
SalesHome salesHome =(SalesHome) PortableRemoteObject.narrow(objref,SalesHome.class);
Sales sales=salesHome.findByCustID(liCustomerID);
lzRevenue=(String) sales.findByCustID(liCustomerID);
My entity bean looks like this:-
public class SalesBean implements EntityBean
public String factPK;
public int timeID;
public int custID;
public int locID;
public int itemID;
public int entityID;
public String currency;
public float qty;
public float unitPrice;
public float amount;
public EntityContext context;
private Connection con;
private void makeConnection() {
try {
InitialContext ic = new InitialContext();
javax.sql.DataSource ds = (javax.sql.DataSource) ic.lookup("jdbc/DSource");
con = ds.getConnection();
} catch (Exception ex) {
throw new EJBException("Unable to connect to database. " +
ex.getMessage());
public SalesBean()
public String ejbFindByCustID(int custID) throws SQLException,RemoteException,FinderException
makeConnection();
PreparedStatement pstmt = con.prepareStatement("select sum(amount) from sales where cust_id= ? ");
pstmt.setInt(1, custID);
ResultSet rset = pstmt.executeQuery();
if (!rset.next())
throw new RemoteException("no records present" );
return rset.getString(1);
}My entity bean's home interface looks like this:-
public interface SalesHome extends EJBHome
public Sales create() throws RemoteException, CreateException;
public Sales findByCustID(int custID) throws SQLException,RemoteException,FinderException;
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public String findByCustID(int custID) throws SQLException,RemoteException,FinderException;
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<enterprise-beans>
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<description>Hello Bean</description>
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<home>myEjb.HelloHome</home>
<remote>myEjb.HelloRemote</remote>
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<entity>
<ejb-name>SalesBean</ejb-name>
<home>myEjb.SalesHome</home>
<remote>myEjb.Sales</remote>
<ejb-class>myEjb.SalesBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>java.lang.String</prim-key-class>
<reentrant>False</reentrant>
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<field-name>factPK</field-name>
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<cmp-field>
<field-name>timeID</field-name>
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<cmp-field>
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