The problem is in your setEntityContext method. java:comp/env is
a JNDI Context, not a Properties. Can you take it from here?
Aaron
On Thu, 21 Sep 2000, Andrew wrote:
> First, thank you very much for attention. I really need it.
>
> And :
> ejb-jart.xml:
> <?xml version="1.0" encoding="Cp1251"?>
>
> <ejb-jar>
> <description>Calculation test</description>
> <display-name>Calculation</display-name>
> <enterprise-beans>
> <entity>
> <description>Models calculation</description>
> <ejb-name>CalculationBean</ejb-name>
> <home>Calc.CalcHome</home>
> <remote>Calc.Calc</remote>
> <ejb-class>Calc.CalcBean</ejb-class>
> <persistence-type>Bean</persistence-type>
> <prim-key-class>java.lang.String</prim-key-class>
> <reentrant>False</reentrant>
> <primkey-field>zaka</primkey-field>
> <resource-ref>
> <description>A jdbc connection for the BMP
> bean</description>
> <res-ref-name>jdbc/SC1</res-ref-name>
> <resource-name>SCTest</resource-name>
> <res-type>javax.sql.DataSource</res-type>
> <res-auth>Container</res-auth>
> </resource-ref>
> <env-entry>
> <env-entry-name>createCalcSQL</env-entry-name>
> <env-entry-type>java.lang.String</env-entry-type>
> <env-entry-value>insert into calc values ( ?,
> kf(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?))</env-entry-value>
> </env-entry>
> <env-entry>
> <env-entry-name>deleteCalcSQL</env-entry-name>
> <env-entry-type>java.lang.String</env-entry-type>
> <env-entry-value>delete from calc where
> zaka=?</env-entry-value>
> </env-entry>
>
> </entity>
> </enterprise-beans>
> <assembly-descriptor>
> <container-transaction>
> <method>
> <ejb-name>CalculationBean</ejb-name>
> <method-name>*</method-name>
> </method>
> <trans-attribute>Required</trans-attribute>
> </container-transaction>
> </assembly-descriptor>
> </ejb-jar>
> CalcBean.java:
>
> package Calc;
>
> import javax.ejb.*;
> import javax.naming.*;
> import javax.sql.*;
> import java.sql.*;
> import java.math.*;
> import java.util.*;
>
> //EJBException- no specific sys level exception
> public class CalcBean implements EntityBean{
> private EntityContext ctx;
> private InitialContext context;
>
> private final static double[] kf_0= new double[15];
> static{
> Arrays.fill( kf_0, 0);
> }
> private String creation, deletion;
>
> //persistance fields
> public String zaka;
> double[] kf_a= new double[kf_0.length];
>
> //primary key zaka is upsent- unmodifable
> public double[] getKf_a(){
> return kf_a;
> }
> public void setKf_a( double[] kf_a){
> this.kf_a= kf_a;
> }
>
>
> Connection getConnection() throws NamingException,SQLException{
> DataSource ds= (DataSource)context.lookup( "java:comp/env/jdbc/SC1");
> return ds.getConnection();
> }
>
> //life cycle map
> public void setEntityContext( EntityContext ctx){
> this.ctx= ctx;
> try{
> context= new InitialContext();
> Properties env= (Properties)context.lookup( "java:comp/env");
> creation= env.getProperty( "createCalcSQL");
> deletion= env.getProperty( "deleteCalcSQL");
> }catch( NamingException ne){ throw new EJBException( ne.getMessage());}
> }
> public void unsetEntityContext(){ ctx= null;}
>
> public String ejbCreate( String zaka) throws CreateException{
> try{
> Connection conn= getConnection();
> //"insert into calc values(?, kf(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?))"
> PreparedStatement pstmt= conn.prepareStatement( creation);
> pstmt.setString( 1, zaka);
> for( int i= 0; i<= kf_0.length; i++) pstmt.setDouble( i+2, kf_0[i]);
> pstmt.executeUpdate();
> conn.close();
> }catch( Exception e){ throw new CreateException( e.getMessage());}
> this.zaka= zaka;
> kf_a= (double[])kf_0.clone();
> return zaka;
> }
> public void ejbPostCreate( String zaka){}
> public void ejbRemove() throws RemoveException{
> try{
> Connection conn= getConnection();
> PreparedStatement pstmt= conn.prepareStatement( deletion);
> pstmt.setString( 1, zaka);
> pstmt.executeUpdate();
> conn.close();
> }catch( Exception e){ throw new RemoveException( e.getMessage());}
> }
> public String ejbFindByPrimaryKey( String zaka) throws
> FinderException{//a'la create
> try{
> Connection conn= getConnection();
> PreparedStatement pstmt= conn.prepareStatement( "select kf_a from calc
> where zaka=?");
> pstmt.setString( 1, zaka);
> ResultSet rs= pstmt.executeQuery();
> if( !rs.next()) throw new ObjectNotFoundException( "Calculation not found
> "+ zaka);
>
> this.zaka= zaka;
> Array kfs= rs.getArray( 1);
> BigDecimal[] val= (BigDecimal[])kfs.getArray();
> for( int i= 0; i< val.length; i++) kf_a[i]= val[i].doubleValue();
> conn.close();
> }catch( SQLException e){ throw new EJBException( e.getMessage());
> }catch( NamingException e){ throw new EJBException( e.getMessage());}
> return zaka;
> }
>
> //in transactions
> public void ejbLoad(){
> try{
> Connection conn= getConnection();
>
> PreparedStatement pstmt= conn.prepareStatement( "select kf_a from calc
> where zaka=?");
> pstmt.setString( 1, zaka);
> ResultSet rs= pstmt.executeQuery();
> if( !rs.next()) throw new NoSuchEntityException( "No rows found");
> Array kfs= rs.getArray( 1);
> BigDecimal[] val= (BigDecimal[])kfs.getArray();
> for( int i= 0; i< val.length; i++) kf_a[i]= val[i].doubleValue();
> conn.close();
> }catch( SQLException e){ throw new EJBException( "ejbLoad:
> "+e.getMessage());
> }catch( NamingException e){ throw new EJBException( "ejbLoad:
> "+e.getMessage());}
> }
> public void ejbStore(){
> try{
> Connection conn= getConnection();
> PreparedStatement pstmt= conn.prepareStatement( "update calc (kf_a)
> et( kf(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)) where zaka=?");
> int i= 0;
> for(; i< kf_a.length; i++) pstmt.setDouble( i+1, kf_a[i]);
> pstmt.setString( i+1, zaka);
> }catch( Exception e){ throw new EJBException( "ejbStore:
> "+e.getMessage());}
> }
>
> //vmemory management-release connections etc. internal resource management
> public void ejbActivate(){}
> public void ejbPassivate(){}
> }
> CalcHome.java:
> package Calc;
> import javax.ejb.*;
> import java.rmi.*;
>
> public interface CalcHome extends EJBHome{
> Calc create( String zaka) throws RemoteException, CreateException;//public
> abstract by default
> Calc findByPrimaryKey( String zaka) throws RemoteException,
> FinderException;//RemoteException not declared in bean...
> }
> ----------------------------------------------------------------------------
> ----------------------------
> Not only find method has this effect but create too.And
> CalcHome
> lc=(CalcHome)PortableRemoteObject.narrow( context.lookup( "CalculationBean")
> works fine but calc.create/find throws exception.
>
>
> ----- Original Message -----
> From: "Aaron Mulder" <[EMAIL PROTECTED]>
> To: "jBoss" <[EMAIL PROTECTED]>
> Sent: Thursday, September 21, 2000 7:57 PM
> Subject: Re: [jBoss-User] JNP/ClassNotFound source
>
>
> > Can you send your ejb-jar.xml, and the contents of your bean
> > implementation's ejbFindByPrimaryKey method?
> >
> > Aaron
> >
> > On Thu, 21 Sep 2000, Andrew wrote:
> > > import Calc.*;
> > > import javax.rmi.*;
> > > import javax.naming.*;
> > > import java.util.*;
> > >
> > > class a{
> > > public static void main( String[] arg) throws Exception{
> > > Hashtable prop= new Hashtable();
> > > prop.put( InitialContext.PROVIDER_URL, "localhost");
> > > prop.put( InitialContext.INITIAL_CONTEXT_FACTORY,
> > > "org.jnp.interfaces.NamingContextFactory");
> > >
> > > InitialContext context= new InitialContext( prop);
> > > CalcHome calc=
> > > alcHome)PortableRemoteObject.narrow( context.lookup( "CalculationBean"),
> > > CalcHome.class);
> > > calc.findByPrimaryKey( "test1");//Error
> > >
> > >
> > >
> > >
> > >
> > > }
> > > }
> > >
> > > In jboss.xml
> > > <enterprise-beans>
> > > <entity>
> > > <ejb-name>CalculationBean</ejb-name>
> > > <jndi-name>CalculationBean</jndi-name>
> > > <configuration-name>Default BMP EntityBean</configuration-name>
> > > </entity>
> > > </enterprise-beans>
> > >
> > > ----- Original Message -----
> > > From: "Aaron Mulder" <[EMAIL PROTECTED]>
> > > To: "jBoss" <[EMAIL PROTECTED]>
> > > Sent: Tuesday, September 19, 2000 9:05 PM
> > > Subject: Re: [jBoss-User] JNP/ClassNotFound
> > >
> > >
> > > > As Ole indicated in a parallel message, the ClassNotFoundException
> > > > is cosmetic and does not cause problems.
> > > > The JNP exception you see looks like a problem in your EJB
> > > > implementation class - a typo in a JNDI name or something. Can you
> > > > double-check all statements where you look up something in JNDI? You
> can
> > > > post the bean implementation code here, if you like. But it looks
> like
> > > > you're trying to do something like:
> > > >
> > > > Foo foo = (Foo)context.lookup("java:comp/env");
> > > >
> > > > Where you don't actually get the type of object you're expecting
> > > > (because java:comp/env is a sub-context not a Foo).
> > > >
> > > > Aaron
> > > >
> > > > On Tue, 19 Sep 2000, Andrew wrote:
> > > > > Hello, win2000+jdk1.3+(jboss 2.0 beta prod 01) config has the
> following
> > > > > problems:
> > > > > 1)After deploying BMP bean in \deploy dir and running the server I
> find
> > > out
> > > > > this error message on console:
> > > > > [Container factory] java.lang.ClassNotFoundException: class
> > > > > org.jboss.security.EJBSecurityManagerDefaultImpl
> > > > > -class located in jboss.jar.
> > > > > but bean was deployed:
> > > > > [Container factory] Deployed application: file:/C:/jboss/deploy/
> > > > > After that I wrote some tiny client calling
> indByPrimaryKey( String) on
> > > > > home iface .All is ok while no
> > > > > home.findByPrimaryKey() or other method invocation- result is
> > > > >
> > > > > java.rmi.ServerException: RemoteException occurred in server thread;
> > > nested
> > > > > exception is:
> > > > > java.rmi.ServerException: Exception occurred; nested exception is:
> > > > > java.lang.ClassCastException: org.jnp.interfaces.NamingContext
> > > > > java.rmi.ServerException: Exception occurred; nested exception is:
> > > > > java.lang.ClassCastException: org.jnp.interfaces.NamingContext
> > > > > java.lang.ClassCastException: org.jnp.interfaces.NamingContext
> > > > > at
> > > > >
> > >
> sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteC
> > > > > all.java:245)- strange... this class is in jdk jar file
> > > > > at
> > >
> sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:220)
> > > > > at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:122)
> > > > > at
> > > > >
> > >
> org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker_Stub.invokeHome(Unkno
> > > > > wn Source)
> > > > > at
> > > > >
> > >
> org.jboss.ejb.plugins.jrmp.interfaces.HomeProxy.invoke(HomeProxy.java:221)
> > > > > at $Proxy0.findByPrimaryKey(Unknown Source)
> > > > > at a.main(a.java:14)
> > > > > Exception in thread "main"
> > > > >
> > > > > What's the problem?
> > > > > Thank you.
> > > > >
> > > > >
> > > > >
> > > > > --
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> > > >
> > > >
> > > >
> > > >
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