XDK 9i Issues : setXSLT - NullPointerException And RMI Server hangs

Present Scenario :
JDK 1.3
Oracle DB : 8.1.6
JDBC Driver : OracleThin.jar
XML Parser : xmlparserv2.jar : ( size = 1121488 )
XML-SQL utility : xsu12.jar : ( size = 180522 )
We use RMI with JDBC. RMI server object connects to database , uses xsu12.jar and xmlparserv2.jar to convert data into XML. Servlet connects to RMI server and gets this XML. Everything works fine.
Problem Scenario :
Since this parser does not support JAXP , I downloaded XDK 9i from oracle site.(9.2.0.1.0 - Dated 01/31/02 ) . After extracting , I replaced xmlparserv2.jar and xsu12.jar with this new ones. And problem started. There are 2 problems :
A. setXSLT( String, String ) throws NullPointerExcpetion
B. When I commented setXSLT method, RMI server completes execution of remote method which can be verified from Log. But it never returns , so client gets blocked. When RMI server is stopped by doing ctrl-C , client gets correct XML document.
Then I installed latest JDBC2.0 driver for 8.1.6 from site which is classes.zip. This also resulted in to same problems mentioned above. But it did work fine wirh earlier version of xmlparserv2.jar and xsu12.jar. Just FYI : I noticed significant size difference betwenn new and old jars.
New xmlparserv2.jar : size = 660421
New xsu12.jar : size = 473249
Thanks for patience
What could be possible solution ?

Thanks Jinu
Problem A of setXSLT throwing NullPOinter Exception is solved. However problem B of RMI server not returning still there.
Just as an FYI , following is system
DB : oracle 8.1.6
xmlparserv2.jar : 9i xdk
xsu12_816.jar : 9i xdk
classes12.zip : JDBC2.0 for 8.1.6
When RMI server is stopped ( ctrl- C ) , client gets correct XML document alongwith proper Node names as set in setStyleSheet( String, String).

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Hi all,
Sorry for the cross-posting (I first posted to the RMI forum) but I thought someone here might be able to shed some light. The original message follows.
I have a very simple client/server model implemented using RMI. Previously I used the default socket factories for creating sockets/connections and everything worked fine, but now I want to use SSL to encrypt all the traffic and I'm running into some trouble. The client is able to get the correct remote registry on the correct port, but when it tries to do registry.lookup("ServerName") to get a reference to the server object, it hangs indefinitely.
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As the docs suggested, I created a pair of custom socket factory classes (one for the client and one for the server) that create SSL sockets, and I put the following line in my server's constructor:
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I know this is somewhat vague, but the changes are small from the working code so I must be doing something wrong in creating SSL sockets. Is there something I can do to trace the process or figure out what's causing the hang? Am I missing some required authentication or other code in the server socket factory (my understanding from the docs is that authentication is optional)? Any other ideas about what's going on?
Thanks,
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Matt, did you ever determine anything about your Strange Behavior #2. I'm running int the exact same issue. We've been using JSSE without problem for more than 2 years now. I'm currently trying to connect to a new SSL server and the connections setup is taking about 4 minutes (not the SecureRandom seeding) (see my comment in the trace: "this is where it sits for about 3 minutes")
Trace:
init context
trigger seeding of SecureRandom
done seeding SecureRandom
%% No cached client session
*** ClientHello, v3.1
RandomCookie: GMT: 1005755098 bytes = { 7, 203, 184, 206, 249, 120, 35, 155, 160, 131, 72, 68, 12, 35, 64, 75, 63, 202, 161, 95, 42, 130, 74, 248, 145, 108, 49, 189 }
Session ID: {}
Cipher Suites: { 0, 5, 0, 4, 0, 9, 0, 10, 0, 18, 0, 19, 0, 3, 0, 17 }
Compression Methods: { 0 }
[write] MD5 and SHA1 hashes: len = 59
0000: 01 00 00 37 03 01 3C F3 9B DA 07 CB B8 CE F9 78 ...7..<........x
0010: 23 9B A0 83 48 44 0C 23 40 4B 3F CA A1 5F 2A 82 #...HD.#@K?.._*.
0020: 4A F8 91 6C 31 BD 00 00 10 00 05 00 04 00 09 00 J..l1...........
0030: 0A 00 12 00 13 00 03 00 11 01 00 ...........
SbATAOutAdapter, WRITE: SSL v3.1 Handshake, length = 59
[write] MD5 and SHA1 hashes: len = 77
0000: 01 03 01 00 24 00 00 00 20 00 00 05 00 00 04 01 ....$... .......
0010: 00 80 00 00 09 06 00 40 00 00 0A 07 00 C0 00 00 .......@........
0020: 12 00 00 13 00 00 03 02 00 80 00 00 11 3C F3 9B .............<..
0030: DA 07 CB B8 CE F9 78 23 9B A0 83 48 44 0C 23 40 ......x#...HD.#@
0040: 4B 3F CA A1 5F 2A 82 4A F8 91 6C 31 BD K?.._*.J..l1.
SbATAOutAdapter, WRITE: SSL v2, contentType = 22, translated length = 16310
!!! This is where it sits for about 3 minutes !!!!
%% No cached client session
*** ClientHello, v3.1
RandomCookie: GMT: 1005755287 bytes = { 8, 151, 45, 75, 86, 164, 141, 52, 216, 145, 81, 24, 157, 215, 246, 206, 87, 83, 153, 41, 88, 38, 3, 119, 190, 13, 0, 28 }
Session ID: {}
Cipher Suites: { 0, 5, 0, 4, 0, 9, 0, 10, 0, 18, 0, 19, 0, 3, 0, 17 }
Compression Methods: { 0 }
[write] MD5 and SHA1 hashes: len = 59
0000: 01 00 00 37 03 01 3C F3 9C 97 08 97 2D 4B 56 A4 ...7..<.....-KV.
0010: 8D 34 D8 91 51 18 9D D7 F6 CE 57 53 99 29 58 26 .4..Q.....WS.)X&
0020: 03 77 BE 0D 00 1C 00 00 10 00 05 00 04 00 09 00 .w..............
0030: 0A 00 12 00 13 00 03 00 11 01 00 ...........
SbATAOutAdapter, WRITE: SSL v3.1 Handshake, length = 59
[write] MD5 and SHA1 hashes: len = 77
0000: 01 03 01 00 24 00 00 00 20 00 00 05 00 00 04 01 ....$... .......
0010: 00 80 00 00 09 06 00 40 00 00 0A 07 00 C0 00 00 .......@........
0020: 12 00 00 13 00 00 03 02 00 80 00 00 11 3C F3 9C .............<..
0030: 97 08 97 2D 4B 56 A4 8D 34 D8 91 51 18 9D D7 F6 ...-KV..4..Q....
0040: CE 57 53 99 29 58 26 03 77 BE 0D 00 1C .WS.)X&.w....
SbATAOutAdapter, WRITE: SSL v2, contentType = 22, translated length = 16310
SbATAOutAdapter, READ: SSL v3.1 Handshake, length = 74
*** ServerHello, v3.1
RandomCookie: GMT: 1005755466 bytes = { 145, 7, 69, 98, 152, 52, 222, 159, 96, 162, 220, 85, 77, 107, 82, 203, 25, 94, 208, 124, 2, 245, 96, 208, 224, 254, 139, 206 }
Session ID: {68, 7, 167, 168, 236, 202, 48, 147, 191, 204, 208, 122, 24, 43, 132, 50, 65, 220, 172, 189, 17, 18, 197, 11, 150, 59, 201, 103, 86, 176, 115, 68}
Cipher Suite: { 0, 5 }
Compression Method: 0
%% Created: [Session-1, SSL_RSA_WITH_RC4_128_SHA]
** SSL_RSA_WITH_RC4_128_SHA
Anybody have any ideas?
Thanks,
Marcel

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===========================================================================================================================================
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Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

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Message was edited by:
ivalum21

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ff2c1bbc lwp_cond_wait (3a8a0, 3a888, 0, 0)
feab4f98 __1cNObjectMonitorEwait6MxipnGThread__v_ (241d98, 94c8, 8c00, fefc4000, 39c08, 241db8) + 59c
feab61a8 __1cSObjectSynchronizerEwait6FnGHandle_xpnGThread__v_ (ffbfa758, 8784, 0, 39c08, 8400, fefc4000) + e8
feab5e58 JVM_MonitorWait (0, 3a204, 39c08, ff018ffc, 0, 1) + 31c
f900c280 * java/lang/Object.wait(J)V+0
f900c224 * java/lang/Object.wait(J)V+0
f9005764 * java/lang/Object.wait()V+2 (line 474)
f9005764 * com/sun/corba/se/impl/transport/CorbaResponseWaitingRoomImpl.waitForResponse(Lcom/sun/corba/se/pept/protocol/MessageMediator;)Lcom/sun/corba/se/pept/encoding/InputObject;+238 (line 140)

prabha kancharla <> writes:
What versions of each are you using?
andy
I have a java program that makes an EJB call using IIOP to an EJB hosted on a WebLogic server. The code is known to work in several environments, however when I deploy this to my production environment it hangs and appears to "lose" the reply from Weblogic.
Essentially, then the program makes an attempt to obtain the initial context, it sends a request to the Weblogic server, but then hangs.
Snooping the network shows that the request has reached weblogic and that weblogic has sent a sensible reply (which the client acknowledges).
From trussing the process I can see the program send the request (268 bytes of data written to a socket that matches with what I see in snoop), but the program then seems to be looping in ioctl and pollsys, I never see it read any data.
The last few lines of the stack trace show the process in an Object.wait (see code snippets).
The last call my code makes is to construct a javax/naming/InitialContext (see "context = new InitialContext(props);" in Code snippet)
Doing a "CTRL+\" does not show any deadlocked threads in the JVM.
Code Snippets:
The method in the code that it crashes in is:
* Helper method to obtain an initial context
private static void obtainInitialContext(boolean reload)
throws IOException
if (context == null || reload)
logger.info("Creating a new initial context as it either doesn't exist or needs reloading");
final String PROVIDER_URL_KEY = "props.orange.ProviderUrlKey";
final String CONTEXT_FACTORY_KEY = "props.orange.ContextFactoryKey";
try
String providerURL = ConfigurationManager.getConfigValue(PROVIDER_URL_KEY);
String contextFactory = ConfigurationManager.getConfigValue(CONTEXT_FACTORY_KEY);
if (providerURL == null)
logger.error("Could not find the property: " + PROVIDER_URL_KEY);
throw new IOException("Could not find the property: " + PROVIDER_URL_KEY);
if (contextFactory == null)
logger.error("Could not find the property: " + CONTEXT_FACTORY_KEY);
throw new IOException("Could not find the property: " + CONTEXT_FACTORY_KEY);
Hashtable props = new Hashtable();
props.put(Context.PROVIDER_URL, providerURL);
props.put(Context.INITIAL_CONTEXT_FACTORY, contextFactory);
context = new InitialContext(props);
catch (Exception e)
logger.error("Unable to obtain initial context: ", e);
throw new IOException("Unable to obtain initial context: " + e);
Stack trace:
ff2c1bbc lwp_cond_wait (3a8a0, 3a888, 0, 0)
feab4f98 __1cNObjectMonitorEwait6MxipnGThread__v_ (241d98, 94c8, 8c00, fefc4000, 39c08, 241db8) + 59c
feab61a8 __1cSObjectSynchronizerEwait6FnGHandle_xpnGThread__v_ (ffbfa758, 8784, 0, 39c08, 8400, fefc4000) + e8
feab5e58 JVM_MonitorWait (0, 3a204, 39c08, ff018ffc, 0, 1) + 31c
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f900c224 * java/lang/Object.wait(J)V+0
f9005764 * java/lang/Object.wait()V+2 (line 474)
f9005764 * com/sun/corba/se/impl/transport/CorbaResponseWaitingRoomImpl.waitForResponse(Lcom/sun/corba/se/pept/protocol/MessageMediator;)Lcom/sun/corba/se/pept/encoding/InputObject;+238 (line 140)

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(0 1 2 3 4 5 6 7 8 9 10 11)
(0 1 2 3 4 5 6 7 8 9 10 11)
(0 1 2 3 4 5 6 7 8 9 10 11)
(0 1 2 3 4 5 6 7 8 9 10 11)
(0 1 2 3 4 5 6 7 8 9 10 11)
(0 1 2 3 4 5 6 7 8 9 10 11)
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(superpages 0)
(videoram 4)
(device_model /usr/lib/xen/bin/qemu-dm)
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(FEATURES '!writable_page_tables|pae_pgdir_above_4gb')
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(GUEST_OS linux)
(HYPERCALL_PAGE 2164297728)
(LOADER generic)
(SUSPEND_CANCEL 1)
(PAE_MODE yes)
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(XEN_VERSION xen-3.0)
(status 2)
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(store_mfn 17639393)
(console_mfn 17639392)
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(vif
(bridge xenbr2)
(mac 00:16:3e:1b:66:ec)
(script /etc/xen/scripts/vif-bridge)
(uuid a2b74883-d709-123a-111d-d285cd87eb1d)
(backend 0)
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(uuid e8103d5b-0b30-89e5-8f0b-101d96d50558)
(bootable 1)
(dev xvda:disk)
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(protocol x86_64-abi)
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(vnc 1)
(xauthority /root/.Xauthority)
(uuid cd6fef1a-a380-f06b-130f-4de82844ea00)
(device
(console
(protocol vt100)
(location 2)
(uuid e587fb0e-a124-9770-d4ad-a08fb7fce68a)
)

RMI server object lookup in a session bean

Hi all,
I am getting MarshalException when I call java.rmi.Naming.lookup() in a session
bean. Following is the code and exception. Please note that I am using java.rmi
package instead of weblogic.rmi and that both the session bean and RMI server
object (a startup class) is deployed on the same machine.
Thanks for your help in advance.
// a simple, replica-aware session bean method
// some code here
try {
MediatorInterface mediator = (MediatorInterface) java.rmi.Naming.lookup("rmi://localhost:7001/TestMediator);
catch (Exception e) {
// log the exception
The exception:
java.rmi.MarshalException: Error marshaling transport header; nested exception
i
s:
java.io.EOFException
java.io.EOFException
at java.io.DataInputStream.readByte(DataInputStream.java:224)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:206
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:174)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:318)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Naming.java:84)
at test.mgmtop.CreateNetworkOpHandler.execute(CreateNetworkOpHandler.jav
a:88)
at test.mgmtop.CreateNetworkOpHandler.perform(CreateNetworkOpHandler.jav
a:28)
at test.ejb.MgmtServiceBean.create(MgmtServiceBean.java:57)
at test.ejb.MgmtServiceSession_idi8yo_EOImpl.create(MgmtServiceSession_i
di8yo_EOImpl.java:46)
at test.ejb.MgmtServiceSession_idi8yo_EOImpl_WLSkel.invoke(Unknown Sourc
e)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:346)
at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerR
ef.java:114)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:300)
at weblogic.security.service.SecurityServiceManager.runAs(SecurityServic
eManager.java:762)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.jav
a:295)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
.java:30)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:152)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:133)

Hi Pyung,
How about trying this instead:
InitialContext ctx = new InitialContext();
MediatorInterface mediator = (MediatorInterface) ctx.lookup("TestMediator");
This assumes your startup class binds the Mediator to the JNDI name "TestMediator".
- Matt
Pyung Yoon wrote:
Hi all,
I am getting MarshalException when I call java.rmi.Naming.lookup() in a session
bean. Following is the code and exception. Please note that I am using java.rmi
package instead of weblogic.rmi and that both the session bean and RMI server
object (a startup class) is deployed on the same machine.
Thanks for your help in advance.
// a simple, replica-aware session bean method
// some code here
try {
MediatorInterface mediator = (MediatorInterface) java.rmi.Naming.lookup("rmi://localhost:7001/TestMediator);
catch (Exception e) {
// log the exception
The exception:
java.rmi.MarshalException: Error marshaling transport header; nested exception
i
s:
java.io.EOFException
java.io.EOFException
at java.io.DataInputStream.readByte(DataInputStream.java:224)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:206
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:174)
at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:318)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Naming.java:84)
at test.mgmtop.CreateNetworkOpHandler.execute(CreateNetworkOpHandler.jav
a:88)
at test.mgmtop.CreateNetworkOpHandler.perform(CreateNetworkOpHandler.jav
a:28)
at test.ejb.MgmtServiceBean.create(MgmtServiceBean.java:57)
at test.ejb.MgmtServiceSession_idi8yo_EOImpl.create(MgmtServiceSession_i
di8yo_EOImpl.java:46)
at test.ejb.MgmtServiceSession_idi8yo_EOImpl_WLSkel.invoke(Unknown Sourc
e)
at weblogic.rmi.internal.BasicServerRef.invoke(BasicServerRef.java:346)
at weblogic.rmi.cluster.ReplicaAwareServerRef.invoke(ReplicaAwareServerR
ef.java:114)
at weblogic.rmi.internal.BasicServerRef$1.run(BasicServerRef.java:300)
at weblogic.security.service.SecurityServiceManager.runAs(SecurityServic
eManager.java:762)
at weblogic.rmi.internal.BasicServerRef.handleRequest(BasicServerRef.jav
a:295)
at weblogic.rmi.internal.BasicExecuteRequest.execute(BasicExecuteRequest
java:30)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:152)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:133)

LC 8.2.1.3/JBoss and SQL Server 2008 R2

Does anyone know if there are any issues with JBoss and SQL Server 2008 r2? I tested connecting to a 2008 sql server in the adobe-ds.xml file and was getting errors in my server log.
The version of JBoss was what came with 8.0. Would I need to update JBoss prior to being able to connect to a 2008 sql server?
Thanks,
John

You are correct. You cannot use 8.2 with 2008 SQL server. You have to upgrade to version 9.
Thank you,
John Daily
Sent via Blackberry
John Daily
Application Systems Analyst III
King Pharmaceuticals, Inc.
Office: 423-989-7165
Cell: 423-956-3911
This E-Mail and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. This communication may contain material protected by the attorney-client privilege. If you are not the intended recipient or the person responsible for delivering the E-mail to the intended recipient, be advised that you have received this communication in error and that any use, dissemination, forwarding, printing, or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender immediately.

CSA and Windows Server 2008 hangs

We're having a problem where we install CSA 6.0.2.130 on a Windows 2008 server running IIS and the server hangs after login. Screen goes blank, mouse pointer is there but the system is unresponsive. It is possible to start Task Manager and it shows almost all services stopped (but CSA running). Stopping CSA service returns function to the server. However, after all the services have started, if we try to start the CSA, then the server hangs again.
Looking in the CSA log files doesn't show anything major. There are some references to the management center being not reachable but they resolve themselves.
Any ideas where to look? We've tried disabling A/V, reinstalling, etc.

This sounds potentially like bug CSCtg98849. There is a workaround that should allow you to continue running with CSA enabled:
Edit the "Base - Digital Signing of Downloaded Executables" rule module and disable the file access control "Send downloaded executables for scanning if opened for read".
Save the change.
Generate rules and deploy to affected hosts.
[Wrap text] [Edit this enclosure]
Release-note: Modified 06/02/2010 07:41:44 by scfringe
[Unwrap text] [Edit this enclosure]
Release-note: Modified 06/02/2010 07:41:44 by scfringe
Scott

RMI Server Class path issue

hi ,
i am facing classpath issue when try to run rmi server. i have a jar file
(RmiServer.jar) for rmi server , which contain some other jar file .
when i run this jar file it throws ClassNotFoundException
the java classloader are not able to load class from jar(RmiServer.jar)
file. pls. tell me what i did wrong .
Regards
Brajesh K

Actully you dont understand my problem.
i have 2 jar file RmiClient.jar and RmiServer.jar
when i run RMIserver.jar it throws following exception.
Caused by: java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
java.lang.ClassNotFoundException: RmiServer_Stub
the RmiServer.jar contain all the class file (stub/skelton,remote,etc) whichever needed.
even i set class path to that folder where RMIserver.jar is placed
inspite of that it throws ClassNotFoundException : RmiServer_Stub
i dont undersatand why classloder , not able to load class file from Rmiserver.jar.
any idea.
thanks in advance
Regards
Brajesh K

JDK6 And ClassNotFound Exception during RMI server start

Hello,
I have been write a simple Hello World RMI, but I'm unable to start the server always get this exeception:
Server exception: java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
     java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
     java.lang.ClassNotFoundException: rmi.Hello
java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
     java.rmi.UnmarshalException: error unmarshalling arguments; nested exception is:
     java.lang.ClassNotFoundException: rmi.Hello
     at sun.rmi.server.UnicastServerRef.oldDispatch(UnicastServerRef.java:396)
     at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:250)
     at sun.rmi.transport.Transport$1.run(Transport.java:159)
     at java.security.AccessController.doPrivileged(Native Method)
     at sun.rmi.transport.Transport.serviceCall(Transport.java:155)
     at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:535)
     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:790)
     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:649)
     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
     at java.lang.Thread.run(Thread.java:619)
     at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:255)
     at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:233)
     at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:359)
     at sun.rmi.registry.RegistryImpl_Stub.bind(Unknown Source)
     at rmi.HelloMain.main(HelloMain.java:21)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at com.intellij.rt.execution.application.AppMain.main(AppMain.java:90)The sources are these:
package rmi;
import java.rmi.Remote;
import java.rmi.RemoteException;
public interface Hello extends Remote {
    public void sayHello() throws RemoteException;
package rmi;
import java.rmi.RemoteException;
public class HelloServer implements Hello{
    public HelloServer() {
        super();
    public void sayHello() throws RemoteException {
        System.out.println("Ciau!");
package rmi;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;
public class HelloMain {
    public static void main(String[] args) {
     try {
         Hello obj = new HelloServer();
         Hello stub = (Hello) UnicastRemoteObject.exportObject(obj, 0);
        // Bind the remote object's stub in the registry
        Registry registry = LocateRegistry.getRegistry();
        registry.bind("Hello", stub);
        System.err.println("Server ready");
    } catch (Exception e) {
        System.err.println("Server exception: " + e.toString());
        e.printStackTrace();
}May be I'm wrong with start command, but I tried differents syntax without result.
Can you help me?
Thanks to all.
PS:Sorry for my spaghetti-english :D

I had similar issue and i got rid of it by doing the following:
i. Start rmiregistry from the server code (so that the JVM remains the same) like this
// Server.java
Process pro = Runtime.getRuntime().exec("rmiregistry 1099 &");
// ... ii. Use java.rmi.server.codebase property while starting the server
D:\rmiEx\bin>java -Djava.rmi.server.codebase=file:/D:\rmiEx\bin example.hello.Server

RMI server and client in one application - Exceptions during some calls

I wrote an application, which is an RMI-Server (Server1), and another separate application, which is an RMI-Client (Client1). Because I wont use dynamic class loading, I gave the client beside the interface.java also an interface_implementation.java, which is only a dummy of the original interface_implementation of the server. This dummy contains only declarations of the methods (parameters and return values) and no functional code. From this dummy the _stub.class is generated, and it works fine - no problem.
Now I want to modify Client1 to become also an RMI-Server (Server2) for a second, separate Client (Client2), the methods used are different from the first RMI connection. This Client2 uses a dummy of the implementation of Server2 in the same way as described above. The application Client1+Server2 only has to "translate" the calls from Client2 to Server2 into calls of Client1 to Server1 (Server1 is not changed at all). In case of primitive method parameters or return values this chain of RMI-applications works fine, but in case of more complex structures (my own classes) during the call of Client1 to Server1 an "ClassNotFoundException: access denied to class loader" occurs by running through the stub. Both stub.classes are found, all of the applications know the objects needed, the call of Client1 to Server1 is exactly the same call as it was during the simple version (only Server1 and Client1).
Does anybody know, why this exception occurs and how I can overcome this ?
Axel

I figured out a solution - it's a problem of policies. In detail: Server1's codebase entry (file:) refers to the class directory of Server1's project. In the simple case of only Client1, which has no codebase entry, it works fine without a file permission on the side of Server1. In the complex case of Client1+Server2, which has to have a codebase entry (file:) refering to the class directory of the Server2's project on a separate machine, for exactly the same method call from Client1 to Server1 a file permission entry on the side of Server1 is needed for Server1's class directory. But WHY ???
It seems to be a little confusing with the codebase entries, many of the posts are contrary to others and to my personal experiences. Some comments given by Adrian Colley throw a little light upon some aspects. Is there anybody, who can explain the whole topic, when, why, and which part of RMI application deals with codebase entries, also in case of not dynamic code downloading ? May be there is also a reference into the java docs, which I didn't found up to now.
Thanks in advance
Axel

XDK 9i Issues : setXSLT - NullPointerException And RMI Server hangs

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