JNDI bind of SybDataStore to Jaguar Naming Service
Dear All,
I would like to ask the following question and I appreciate in advance
any prompt but detailed answer that you can give me:
We have been trying to code SybDataSource from JConnect 5.x.
However, the requirement is that the SybDataSource will be accessible
not only by the servlet but by standalone java class or a web page.
In order to do that there is one obvious implementation contender and
that is to bind the generated SybDataStore to Jaguar Naming Service
(instead of LDAP) and reuising it later from almost anywhere.
As such after initializing JNDI properties we get the InitialContext
and try to bind SybDataSource to Jaguar Naming Service.
However, we receive the following stacktrace:
java.lang.IncompatibleClassChangeError: class
org.omg.CosNaming._NamingContextStub does not implement interface
org.omg.CosNaming.NamingContextOperations
at
com.sybase.jaguar.jndi.CosNaming.JaguarContext.<init>(JaguarContext.java:118)
at
com.sybase.jaguar.jndi.CosNaming.JaguarInitialContextFactory.getInitialContext(JaguarInitialContextFactory.java:17)
at
javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:747)
at
javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:181)
at javax.naming.InitialContext.<init>(InitialContext.java:158)
at
com.koger.etas.sql.conn.ConfigDataStore.<init>(ConfigDataStore.java:47)
at
com.koger.etas.sql.conn.ConfigDataStore.main(ConfigDataStore.java:59)
Exception in thread "main"
After restarting the server, we get the following in the srv.log:
(null String)
Feb 28 22:09:29 2001: org.omg.CosNaming.NamingContextPackage.NotFound
Feb 28 22:09:29 2001: at
org.omg.CosNaming.NamingContextPackage.NotFoundHelper.read(NotFoundHelper.java:16)
Feb 28 22:09:29 2001: at
org.omg.CosNaming._st_NamingContext.bind(_st_NamingContext.java:47)
Feb 28 22:09:29 2001: at
com.sybase.CosNaming.NamingContextImpl.loadPackages(NamingContextImpl.java:840)
Feb 28 22:09:29 2001: at
com.sybase.CosNaming.NamingContextImpl.loadObjectBindings(NamingContextImpl.java:684)
Feb 28 22:09:29 2001: at
com.sybase.CosNaming.NamingContextImpl.load(NamingContextImpl.java:581)
Feb 28 22:09:29 2001: at
com.sybase.CosNaming.NamingContextImpl.refresh(NamingContextImpl.java:212)
Feb 28 22:09:29 2001: at
com.sybase.CosNaming.NamingContextImpl.run(NamingContextImpl.java:155)
Feb 28 22:09:29 2001: at
com.sybase.CosNaming._sk_CosNaming_NamingContext.invoke(_sk_CosNaming_NamingContext.java:454)
*******************
and there is no new package\component entry in the Jaguar Server.
Maybe an explanation of the whole JNDI binding and lookup and what
is the exact step for binding SybDataStore to Jaguar Naming Service
is in order here since no one ever explain it anywhere.
We are running EAS 3.6 WinNT Server SP 6.0 and JConnect 5.2.
Here is also the code that we have:
************************
public ConfigDataStore() {
// create a SybDataStore and configure it
SybDataSource ds = new com.sybase.jdbc2.jdbc.SybDataSource();
ds.setUser("dba");
ds.setPassword("sql");
ds.setDatabaseName("taweb");
ds.setServerName("darwin.kogerusa.com");
ds.setPortNumber(2638);
ds.setDescription("This DataStore represents Adaptive Server Anywhere
7.0.1 " +
"running db [taweb] on darwin.kogerusa.com at port
2638.");
Properties props = new Properties();
props.put("REPEAT_READ", "false");
props.put("REQUEST_HA_SESSION", "true");
props.put(Context.PROVIDER_URL,
"iiop://localhost:9000/com/koger/etas/jc");
props.put(Context.OBJECT_FACTORIES,"com.sybase.jdbc2.jdbc.SybObjectFactory");
props.put("java.naming.object.factory",
"com.sybase.jdbc2.jdbc.SybObjectFactory");
props.put("java.naming.factory.initial",
"com.sybase.jaguar.jndi.CosNaming.JaguarInitialContextFactory");
//props.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sybase.jaguar.jndi.CosNaming.JaguarInitialContextFactory");
// storing the DataSource object. Done by setting JNDI properties
// specific to the type of JNDI service provider we are
// using (Jaguar Naming Service). Then, initialize the context
// and bind the object.
try {
ds.setConnectionProperties(props);
Context ctx = new InitialContext(props);
ctx.bind("jdbc/myASA", ds);
// you would substitute this for ctx.bind to get the ds instance back
???
//DataSource ds2 = (DataSource) ctx.lookup("jdbc/myASA");
}
catch (Exception e) {
dbg.p(dbg.ERROR, "[ConfigDataStore]: Could not bind the SybDataStore to
Jag Naming Service " +
"\n " + e);
}
}
Please HELP !!!!
|
0 |
|
Robert_Sipko
3/1/2001 3:56:32 AM
sybase.easerver
11371 articles. 
0 followers.
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