Jndi ConnectException Connection refused
Please can someone help me to understand why I am getting a ConnectException with the following code.
String PROVIDER_URL = "ormi://localhost:23791";
String INITIAL_CONTEXT_FACTORY = "com.evermind.server.rmi.RMIInitialContextFactory";
Properties prop = new Properties();
prop.put(Context.INITIAL_CONTEXT_FACTORY, INITIAL_CONTEXT_FACTORY);
prop.put(Context.PROVIDER_URL, PROVIDER_URL);
InitialContext context = new InitialContext(prop);
return (MimirLoginSessionEJBLocalHome) context.lookup(
"java:comp/env/ejb/local/MimirLoginSessionEJB");
javax.naming.NamingException: Lookup error: java.net.ConnectException: Connection refused: connect; nested exception is:
java.net.ConnectException: Connection refused: connect [Root exception is java.net.ConnectException: Connection refused: connect]
com.evermind.server.rmi.RMIContext.lookup(RMIContext.java:153)
yes it is!!! sorry i need to sleep.
do you know why now i am trying to exec the client and get this error?
javax.ejb.EJBException: EJB Exception: ; nested exception is:
java.lang.NoClassDefFoundError: com/mysql/jdbc/Connection; nested exception is: java.rmi.RemoteException: EJB Exception: ; nested exception is:
java.lang.NoClassDefFoundError: com/mysql/jdbc/Connection
java.rmi.RemoteException: EJB Exception: ; nested exception is:
java.lang.NoClassDefFoundError: com/mysql/jdbc/Connection
at weblogic.rjvm.ResponseImpl.unmarshalReturn(ResponseImpl.java:234)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:348)
at weblogic.rmi.cluster.ClusterableRemoteRef.invoke(ClusterableRemoteRef.java:259)
at test.model.SessionEJB_qxt9um_SessionEJBRemoteImpl_1032_WLStub.getDescripcionextraFindAll(Unknown Source)
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 weblogic.ejb.container.internal.RemoteBusinessIntfProxy.invoke(RemoteBusinessIntfProxy.java:73)
at $Proxy0.getDescripcionextraFindAll(Unknown Source)
at test.client.SessionEJBRemoteClient.main(SessionEJBRemoteClient.java:36)
Caused by: java.lang.NoClassDefFoundError: com/mysql/jdbc/Connection
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632)
at java.lang.ClassLoader.defineClass(ClassLoader.java:616)
the Model Project has got the MySQL jar library
Thank you!
Similar Messages
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Java.rmi.ConnectException: Connection refuse
Hi all,
I have built a simple RMI client server application.I can run client & server fine locally.
However if I test this appplication over the internet, I get this exception on the client:
java.rmi.ConnectException: Connection refused to host: 169.254.157.53; nested exception is:
java.net.ConnectException: Connection timed out: connectConnection refused to host:169.254.157.53
The RMI server is running on my PC and the client on a friend's remote PC.Both PCs are connected to Internet.
I don't have any firewall running on my PC (including windows XP firewall). The server RMI lookup on the client happens correctly,
the exception is raised when the client tries to call the remote method on the server.
Here is an extract of my RMI server code (it works locally):
public static void main(String[] args) throws Exception {
try {
// args[0] contains the database server name given as command line argument, arg[1] contains binary path that contains weather jpeg files
CPrimaryWeatherServer test = new CPrimaryWeatherServer(args[0], args[1]);
Naming.rebind("rmi://localhost:1099/WeatherPrimaryService", test);
System.out.println("Serveur m�t�o principal d�marr�");
} catch (Exception e){ System.out.println(e.getMessage());}
Here is an extract of my RMI client code (it works locally):
try{
rec=1;
leftClik=1;
System.out.println("Before RMI lookup");
IPrimaryWeatherServerService serveur =(IPrimaryWeatherServerService)Naming.lookup("rmi://"+primWS+":1099/WeatherPrimaryService");
System.out.println("After RMI lookup");
System.out.println("Before server method call");
z=serveur.getFullWeatherData(); --> exception is raised here
System.out.println("After RMI server method call");
I am directly connected to Internet using an ethernet card connected to an ADSL modem.169.254.157.53 is the automatic IP of my network card different from the IP given by my ISP. By the way, the client tries to contact me using my DNS name that resolves correctly to my ISP IP adress.
Thanks a lot for help,because I am guessing that a local IP address is being embedded into the stub so the clien't can't find the remote server. I am guessing because you didn't provide the exception or its text. Anyway the suggestion will cause the correct public IP address/hostname to be embedded into the stub.
-
ConnectException, connection refused
I have an RMI server/client Web applet program working, with the server running on a RHEL4 linux server, and other linux clients.
When I try to run the applet from a browser on a Windows client, I get a connection refused error. I am not setting a security manager,
and both boxes are using Java 1.6.07. The exception and its stack trace are as follows:
java.rmi.ConnectException: Connection refused to host: 100.20.100.10; nested exception is:
java.net.ConnectException: Connection refused: connect
java.rmi.ConnectException: Connection refused to host: 100.20.100.10; nested exception is:
java.net.ConnectException: Connection refused: connect
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.createConnection(Unknown Source)
at sun.rmi.transport.tcp.TCPChannel.newConnection(Unknown Source)
at sun.rmi.server.UnicastRef.newCall(Unknown Source)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Unknown Source)
at Client.RepositoryClient.init(RepositoryClient.java:85)
at sun.applet.AppletPanel.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.net.ConnectException: Connection refused: connect
at sun.rmi.transport.proxy.RMIMasterSocketFactory.checkConnector(Unknown Source)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(Unknown Source)
... 9 more
Any ideas?Never mind... had edited code and somehow had a Naming.lookup instead of using the object returned by LocateRegistry.getRegistry(URL).
I'm on to the debugging of the access denied issue now...
Sorry, I'm a newbie but I'm learning fast. -
Help me pls in ConnectException: Connection refused to host
hi all,
i'm getting the following exception could any one help me out from this.
i have opened two particular ports that r listening for RMI
C:\j2sdk1.4.0-rc\bin\Test>java -Djava.security.policy=allper.policy CallClient
java.rmi.ConnectException: Connection refused to host: xxx.xxx.xxx.xxx; nested ex
ception is: java.net.ConnectException: Connection timed out: connect at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:567) at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185) at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171) at sun.rmi.server.UnicastRef.newCall(UnicastRef.java:313)
at sun.rmi.registry.RegistryImpl_Stub.lookup(Unknown Source)
at java.rmi.Naming.lookup(Naming.java:83)
at Client.add(Client.java:146)
at CallClient.main(CallClient.java:47)
Caused by: java.net.ConnectException: Connection timed out: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:295)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:161)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:148)
at java.net.Socket.connect(Socket.java:425)
at java.net.Socket.connect(Socket.java:375)
at java.net.Socket.<init>(Socket.java:290)
at java.net.Socket.<init>(Socket.java:118)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22) at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:122)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:562)
... 7 more
looking for ur help
-shafeeqhi,
actually it is giving syntax error if i include like this in the client code
systemProperties.put("sun.rmi.transport.connectTimeout",15000);
systemProperties.put("sun.rmi.server.disableHttp","false");
pls guide me how exactly i should include in the client codings.
pls help
-shafeeq
Note: from http://java.sun.com/j2se/1.4/docs/guide/rmi/sunrmiproperties.html/#connectionTimeout
sun.rmi.transport.proxy.connectTimeout (1.1 and later)
The value of this property represents the maximum length of time (in milliseconds) that the RMI runtime will wait for a connection attempt (createSocket) to complete, before attempting to contact the server using HTTP. This property is only used when the http.proxyHost property is set and the value of java.rmi.server.disableHttp is false. The default value is 15000 milliseconds (15 seconds). -
Invocation time Exception (java.rmi.ConnectException: Connection refused to
Hi folks,
SERVER = LINUX
CLIENT = WINDOWS 200
JAVA VERSION : 1.4.2
Object obj = Naming.lookup("rmi://x.x.x.x:5578/MyServer");
System.out.println("Object ="+obj); // Works fine and return stub as shown in o/p
MyServer_Stub server = (MyServer_Stub)obj;
server.validate(); // throws following Connection refused exception
-----OUTPUT-----
Object =com.MyServer_Stub[RemoteStub [ref: [endpoint:[x.x.x.x:42360](remote),objID:[a981ca:10722cb9411:-8000, 0]]]]
java.rmi.ConnectException: Connection refused to host: x.x.x.x.x; nested exception is:
java.net.ConnectException: Connection refused: connect
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:567)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:101)[
at com.MyServer_Stub.validate(Unknown Source)/b]
at tescasees.testbyexample.rmi.MyServerChangesTestApplication.main
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:305)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:171)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:158)
at java.net.Socket.connect(Socket.java:452)
at java.net.Socket.connect(Socket.java:402)
at java.net.Socket.<init>(Socket.java:309)
at java.net.Socket.<init>(Socket.java:124)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:562)
... 5 more
Exception in thread "main"
[b] Why does java system throws exception at invoke time not connection time at lookup time</b]
Any suggestion...
Regards,
Manoj> Are you getting this from a lookup()? If so it means the Registry you are looking for at rmi://x.x.x.x:5578 is not present.
I am getting it at the time when I invoke the method validate on the object returned from lookup.
--Manoj -
ConnectException: Connection refused (No firewall)
Hi
In my program i need to connect to another PC on the network. I'm currently trying this tutorial: http://java.sun.com/docs/books/tutorial/networking/sockets/clientServer.html
The server PC listens to port 4444 without any problem (No error Message "Could not listen on port: 4444" )
But when the client wants to connect to port 4444, I get this "Connection Refused: connect" error.
On both PC's the firewall has been disabled, so normally all ports should be open???
Some standard ports on the server machine (135,139, 445,...) are open, and I can connect to these ports without any problem.
Anybody has an idea what this problem can be?
Thanks in advance!Hmmm, reboot did the trick :/
After rebooting, things worked fine. ^^ -
Java.rmi.ConnectException: Connection refused to host: 10.41.8.140; nested exception is:
Agile:9.2.2.1
linux-x86_64What is the Port in which you are ruinning the RMI?
You need to mention the port.
Simply chek if you have proper connectivity to the Server and the RMI Service as the speicifed port, try the debugging commands from command prompt like:
D:>telnet <Server IP Address> <Port Number>
If this command clears the windows into a blank window as if waiting for you input then it means that you have access to the Server and the RMI service is running on the machine.
If not, it is either NOT accessible or RMI Service is not working.
Thanks and regards,
Pazhanikanthan. P -
What does java.rmi.ConnectException: Connection refused to host mean? ¶
Several users have run into a java.rmi.ConnectException message during deployment, and need some information on how to troubleshoot this. We'll be adding this to our documentation, but thought it might be useful now.
In NoSQL DB R2.0, the show plan -id <id> command displays plan status and any errors that may have occurred. If you see this exception listed in the error section, it means that the Admin service was unable to reach one of the NoSQL DB components while the system was trying to execute an administrative command.
The first step is check on the overall status of the store. One way to do that is to use the show topology command, followed by the verify command. The show topology command will display the layout of the store, while verify will check the status of each component. A component that can't be reached will display a status of UNREACHABLE.
In general, NoSQL DB attempts to make any troubleshooting information you need available through the Admin CLI, through commands like show plan, show events, show faults. A ConnectException message means that a communication channel either was not established, or failed, and in those cases, troubleshooting information may not have been conveyed to the Admin service. This is particularly true if there was a communication failure during initial deployment of a component.
The next step would be to look in the NoSQL log files for more detailed error information. Look first in the aggregated storewide log, which can be found in the node that is hosting the master admin service, under the KVROOT/<storename>/logs/<storename>*.log. You can locate the master Admin through the "verify" command. This log file contains information from all the different components in the store.
Suppose Replication Node rg1-rn3, on Storage Node sn3, is not responsive. Look through the <storename>.log for entries made by those components. Each log entry is prefixed with the name of the component that issued the log message. Sometimes the aggregated storewide log has too much information, or sometimes information from a component was not transmitted to the Admin, and therefore isn't included in the aggregated log. In that case, it can be more helpful to look at the Replication Node or Storage Node logs directly, which can be found on their host, in the <KVROOT>/<storename>/logs directory.
If the problem occurs during an initial deployment, it can be particularly helpful to review the Storage Node logs to make sure that the Storage Node Agent on that node was created correctly, and that the process came up as expected, according to the installation directions, and the Replication Node logs. Some of the common reasons why a Replication Node might not come up are that here is inadequate heap and memory on the node, or that a initial configuration parameter is misspelled or has an invalid value, or that the time skew between components is greater than NoSQL's acceptable limit.Several users have run into a java.rmi.ConnectException message during deployment, and need some information on how to troubleshoot this. We'll be adding this to our documentation, but thought it might be useful now.
In NoSQL DB R2.0, the show plan -id <id> command displays plan status and any errors that may have occurred. If you see this exception listed in the error section, it means that the Admin service was unable to reach one of the NoSQL DB components while the system was trying to execute an administrative command.
The first step is check on the overall status of the store. One way to do that is to use the show topology command, followed by the verify command. The show topology command will display the layout of the store, while verify will check the status of each component. A component that can't be reached will display a status of UNREACHABLE.
In general, NoSQL DB attempts to make any troubleshooting information you need available through the Admin CLI, through commands like show plan, show events, show faults. A ConnectException message means that a communication channel either was not established, or failed, and in those cases, troubleshooting information may not have been conveyed to the Admin service. This is particularly true if there was a communication failure during initial deployment of a component.
The next step would be to look in the NoSQL log files for more detailed error information. Look first in the aggregated storewide log, which can be found in the node that is hosting the master admin service, under the KVROOT/<storename>/logs/<storename>*.log. You can locate the master Admin through the "verify" command. This log file contains information from all the different components in the store.
Suppose Replication Node rg1-rn3, on Storage Node sn3, is not responsive. Look through the <storename>.log for entries made by those components. Each log entry is prefixed with the name of the component that issued the log message. Sometimes the aggregated storewide log has too much information, or sometimes information from a component was not transmitted to the Admin, and therefore isn't included in the aggregated log. In that case, it can be more helpful to look at the Replication Node or Storage Node logs directly, which can be found on their host, in the <KVROOT>/<storename>/logs directory.
If the problem occurs during an initial deployment, it can be particularly helpful to review the Storage Node logs to make sure that the Storage Node Agent on that node was created correctly, and that the process came up as expected, according to the installation directions, and the Replication Node logs. Some of the common reasons why a Replication Node might not come up are that here is inadequate heap and memory on the node, or that a initial configuration parameter is misspelled or has an invalid value, or that the time skew between components is greater than NoSQL's acceptable limit. -
Connection refused error running JSP on Jdev 10.1.3.0.3.3412 with MySL 5.0
Hello,
I'm using Jdeveloper 10.1.3.0.3.3412 on a Mac with a MySQL database. In Jdeveloper i can make a connection to the database and create adf business components
I've made a JSP page with ADF on a single table. No errors when compiling. When I try to run the JSP Page using Embedded OC4J (on Mac OSX Tiger) I get the error:
5/12/09 00:45:50 java.net.ConnectException: Connection refused
05/12/09 00:45:50 at java.net.PlainSocketImpl.socketConnect(Native Method)
05/12/09 00:45:50 at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
05/12/09 00:45:50 at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
05/12/09 00:45:50 at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
05/12/09 00:45:50 at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:428)
05/12/09 00:45:50 at java.net.Socket.connect(Socket.java:507)
05/12/09 00:45:50 at java.net.Socket.connect(Socket.java:457)
05/12/09 00:45:50 at java.net.Socket.<init>(Socket.java:365)
05/12/09 00:45:50 at java.net.Socket.<init>(Socket.java:207)
05/12/09 00:45:50 at oracle.jdevimpl.runner.oc4j.Oc4jNotifier.sendMessage(Oc4jNotifier.java:98)
05/12/09 00:45:50 at oracle.jdevimpl.runner.oc4j.Oc4jNotifier.postInitApplicationServer(Oc4jNotifier.java:55)
05/12/09 00:45:50 at com.evermind.server.ApplicationServer.serverExtensionPostInit(ApplicationServer.java:1041)
05/12/09 00:45:50 at com.evermind.server.ApplicationServer.setConfig(ApplicationServer.java:927)
05/12/09 00:45:50 at com.evermind.server.ApplicationServerLauncher.run(ApplicationServerLauncher.java:98)
05/12/09 00:45:50 at java.lang.Thread.run(Thread.java:613)
What am I doing wrong? The embedded OC4J library is added to the project. I've tried to use the javac compiler. It looks like the OC4J instance cannot make a connection to the db.
Thanks,
MartinHello
I've added the connection to the web.xml, but still get the same error.
When I go to embedded OC4J preferences and change the JNDI-names of the datasources (global and current-workspace) to the same name (this was default), i get this error message:
9-dec-2005 9:30:09 com.evermind.server.ApplicationStateRunning initNativeDataSource
SEVERE: Error creating native data source. The location 'jdbc/MySQLConnectionCoreDS' is already in use.
05/12/09 09:30:09 Application: current-workspace-app is in state FAILED
05/12/09 09:30:09 Error instantiating application 'current-workspace-app' at file:/Users/martinsuijs/jdevhome/mywork/myWorldApp/myWorldApp-oc4j-app.xml: Error creating native data source. The location 'jdbc/MySQLConnectionCoreDS' is already in use.
05/12/09 09:30:14 java.net.ConnectException: Connection refused
grtz
Martin -
Add User/ Communication Exception: Connection refused!
Hello,
I've searched the entire forum , for sample code for adding a user to the Active directory.However, the code that I use , refuses to budge past this line, and gives a
*Problem creating object: javax.naming.CommunicationException: mydc.antipodes.com:389 [Root exception is java.net.UnknownHostException: mydc.antipodes.com]*
// Create the initial directory context
LdapContext ctx = new InitialLdapContext(env,null);
When i change the ldap url to 'ldap://localhost:389', it gives me this exception
*Problem creating object: javax.naming.CommunicationException: localhost:389 [Root exception is java.net.ConnectException: Connection refused: connect]*
I also could not follow , how the LDAP url is formed, and those CN=,DC= attributes.I also typed in the LDAP url in the browser, and an External Protocol request popped up , that had a search for people names and email.
Can someone please enlighten me , on where i was going wrong.I'm working on a windows XP machine with JDK1.6 with Netbeans.
The same functionality is also done , in .NET using the activeds.tlb file and it is working fine.Is there a way in Java, where i can added a reference/COM component , in the same way as above , and add users?
import java.util.Hashtable;
import javax.naming.ldap.*;*
*import javax.naming.directory.*;
import javax.naming.*;*
*import javax.net.ssl.*;
import java.io.*;
public class NewUser
public static void main (String--] args)--
-- Hashtable env = new Hashtable();--
-- String adminName = "CN=Administrator,CN=jomy,CN=Users,DC=antipodes,DC=com";--
-- String adminPassword = "jj2007";--
-- String userName = "CN=Albert Einstein,CN=jomy,OU=Research,DC=antipodes,DC=com";--
-- String groupName = "CN=All Research,CN=Administrators,OU=Research,DC=antipodes,DC=com";--
-- env.put(Context.INITIAL_CONTEXT_FACTORY,"com.sun.jndi.ldap.LdapCtxFactory");--
-- //set security credentials, note using simple cleartext authentication--
-- env.put(Context.SECURITY_AUTHENTICATION,"simple");--
-- env.put(Context.SECURITY_PRINCIPAL,adminName);--
-- env.put(Context.SECURITY_CREDENTIALS,adminPassword);--
-- //connect to my domain controller--
-- env.put(Context.PROVIDER_URL, "ldap://mydc.antipodes.com:389");--
-- //env.put(Context.PROVIDER_URL, "winnt://localhost");--
-- try {--
-- // Create the initial directory context--
-- LdapContext ctx = new InitialLdapContext(env,null);--
-- // Create attributes to be associated with the new user--
-- Attributes attrs = new BasicAttributes(true);--
-- //These are the mandatory attributes for a user object--
-- //Note that Win2K3 will automagically create a random--
-- //samAccountName if it is not present. (Win2K does not)--
-- attrs.put("objectClass","user");--
-- attrs.put("samAccountName","AlbertE");--
-- attrs.put("cn","Albert Einstein");--
-- //These are some optional (but useful) attributes--
-- attrs.put("giveName","Albert");--
-- attrs.put("sn","Einstein");--
-- attrs.put("displayName","Albert Einstein");--
-- attrs.put("description","Research Scientist");--
-- attrs.put("userPrincipalName","[email protected]");--
-- attrs.put("mail","[email protected]");--
-- attrs.put("telephoneNumber","999 123 4567");--
-- //some useful constants from lmaccess.h--
-- int UF_ACCOUNTDISABLE = 0x0002;--
-- int UF_PASSWD_NOTREQD = 0x0020;--
-- int UF_PASSWD_CANT_CHANGE = 0x0040;--
-- int UF_NORMAL_ACCOUNT = 0x0200;--
-- int UF_DONT_EXPIRE_PASSWD = 0x10000;--
-- int UF_PASSWORD_EXPIRED = 0x800000;--
-- //Note that you need to create the user object before you can--
-- //set the password. Therefore as the user is created with no--
-- //password, user AccountControl must be set to the following--
-- //otherwise the Win2K3 password filter will return error 53--
-- //unwilling to perform.--
-- attrs.put("userAccountControl",Integer.toString(UF_NORMAL_ACCOUNT + UF_PASSWD_NOTREQD + UF_PASSWORD_EXPIRED+ UF_ACCOUNTDISABLE));--
-- // Create the context--
-- Context result = ctx.createSubcontext(userName, attrs);--
-- System.out.println("Created disabled account for: " + userName);--
-- //now that we've created the user object, we can set the--
-- //password and change the userAccountControl--
-- //and because password can only be set using SSL/TLS--
-- //lets use StartTLS--
-- StartTlsResponse tls = (StartTlsResponse)ctx.extendedOperation(new StartTlsRequest());--
-- tls.negotiate();--
-- //set password is a ldap modfy operation--
-- //and we'll update the userAccountControl--
-- //enabling the acount and force the user to update ther password--
-- //the first time they login--
-- ModificationItem[-- mods = new ModificationItem[2];
//Replace the "unicdodePwd" attribute with a new value
//Password must be both Unicode and a quoted string
String newQuotedPassword = "\"Password2000\"";
byte[] newUnicodePassword = newQuotedPassword.getBytes("UTF-16LE");
mods[0] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, new BasicAttribute("unicodePwd", newUnicodePassword));
mods[1] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, new BasicAttribute("userAccountControl",Integer.toString(UF_NORMAL_ACCOUNT + UF_PASSWORD_EXPIRED)));
// Perform the update
ctx.modifyAttributes(userName, mods);
System.out.println("Set password & updated userccountControl");
//now add the user to a group.
try {
ModificationItem member[] = new ModificationItem[1];
member[0]= new ModificationItem(DirContext.ADD_ATTRIBUTE, new BasicAttribute("member", userName));
ctx.modifyAttributes(groupName,member);
System.out.println("Added user to group: " + groupName);
catch (NamingException e) {
System.err.println("Problem adding user to group: " + e);
//Could have put tls.close() prior to the group modification
//but it seems to screw up the connection or context ?
tls.close();
ctx.close();
System.out.println("Successfully created User: " + userName);
catch (NamingException e) {
System.err.println("Problem creating object: " + e);
catch (IOException e) {
System.err.println("Problem creating object: " + e); }
}Sometimes there are posts that are so funny, that I really do fall off my chair and writhe on the floor laughing hysterically.
mydc.antipodes.com is my domain controller, it's most certainly not yours !
If you are running Active Directory (although I somehow seem to think that you are not), the LDAP URL will contain the fully qualified DNS name of your domain controller and the distingushed name of your Active Directory domain (or part thereof).
Because you are most certainly do not have access to my domain, nor would my domain controller be registered with your DNS server or listed in your hosts file, that explains why you receive the Unknown Host Exception.
Now the reason why I think you aren't runnning Active Directory is that you say you are running on Windows XP and when you use ADSI (winnt://localhost) it all works.
The ADSI provider WINNT, uses the Windows NT/LM API's which are used to access either the local Windows account store which is sometimes referred to as Security Accounts Manager (SAM), or a Windows NT 4 domain. (Actually it could be used to access Active Directory, albeit using the NT/LM API's rather than LDAP). The JNDI LDAP provider supports the LDAP protocol, it does not support NT/LM.
If on the other hand I'm wrong, and you do have Active Directory present in your network, either ask the admin for the DNS name of the domain controller,and the distinguished name of your domain, look up the LDAP Resource Records (RR's) in your DNS, or use the Windows LDP.EXE tool, leave everything blank, hit the connect button and look at the Root DSE for the naming contexts and dns host name values. -
Connection refused error when trying to to lookup EJB in iAS
Hi,
I tried to write a client that uses an EJB in an 9.0.3 iAS running on windows NT SP6, and the JNDI lookup keeps failing with the following error:
javax.naming.NamingException: Lookup error: java.net.ConnectException: Connection refused: connect; nested exception is:
java.net.ConnectException: Connection refused: connect
java.lang.Object com.evermind.server.rmi.RMIContext.lookup(java.lang.String)
RMIContext.java:134
java.lang.Object javax.naming.InitialContext.lookup(java.lang.String)
InitialContext.java:345
void Samplecom.mind.ejb.stubs.AccountComplexStubClient.main(java.lang.String[])
AccountComplexStubClient.java:24
I am using the following properties for the lookup:
env.putContext.INITIAL_CONTEXT_FACTORY, "com.evermind.server.rmi.RMIInitialContextFactory");
env.put(Context.SECURITY_PRINCIPAL, "ias_admin");
env.put(Context.SECURITY_CREDENTIALS, "ias_admin1");
env.put(Context.PROVIDER_URL, "ormi://localhost:23791/mindejb");
Where:
* 23791 is the port configured in the rmi.xml
* mindejb is the name of the module
* ias_admin1 is the correct password of ias_admin user
Similar properties worked for a stand alone oc4j. What have I done wrong?
Any help will be appreciated.
Thanks,
AviHi -
I can resend what I think I would have said later on. No guarantees though ;-)
What you need to do is to look at the RMI port range allocated in the opmn.xml file for the OC4J instance you are trying to connect to. OPMN basically looks at the first number, and determines if the port is free. If it is, it will use it. If it's not, it will go to the next sequential number and try that, etc.
So if you have a defined port range of 3101-3200 and you only have one process, then it's a pretty safe bet (unless another rogue process has grabbed it) that the port you need will be the first one listed - 3101. If you specified two JVM processes to be started for the instance, then it's likely that 3101 and 3102 will be used.
I think that's what I'd written in the truncated text.
In our forthcoming 904 release, we're providing a port lookup service which will be able to be used by remote clients to discover the RMI ports used for OC4J instances. This will then avoid the client (and admins) needing to know and publish the specific ports used. Since OPMN itself knows which ports have been allocated, it can be queried by remote clients to find out where to connect. I've not seen the final spec, but I think this lookup will be transparent to the client in terms of code and will only require the addition of a prefix to the provider.url property used in jndi.propeties.
It's likely to be of a format such as opmn:lookup:ormi://<known-ias-host-location>.
Sorry about the truncation, it looks like that has now been rectified for the forums.
-steve- -
Connection refused when trying to getOutputStream from https connection
Hi all !
I want to make an https connection with a server to send/get the request/response
What can be the cause of the following error in the following code testHttps.java?
java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getOutputStream(Unknown Source)
at Test.testHttps.main(testHttps.java:46)
Exception in thread "main" java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
at Test.testHttps.main(testHttps.java:51)
testHttps.java
package Test;
import java.io.;
import java.net.;
import javax.net.ssl.*;
public class testHttps {
public static void main(String args[]) throws Exception {
//System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");
// Create a trust manager that does not validate certificate chains
TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
public void checkClientTrusted(
java.security.cert.X509Certificate[] certs, String authType) {
public void checkServerTrusted(
java.security.cert.X509Certificate[] certs, String authType) {
// Install the all-trusting trust manager
try {
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
} catch (Exception e) {
System.out.println("Error" e);
// Now you can access an https URL without having the certificate in the truststore
try {
URL url = new URL("https://..............");-->//address of the server given here
URLConnection conn = url.openConnection();
HttpsURLConnection urlConn = (HttpsURLConnection) conn;
urlConn.setDoOutput(true);
OutputStreamWriter wr = null;
try{
wr = new OutputStreamWriter(conn.getOutputStream());
catch(Exception e){
e.printStackTrace();
BufferedReader in = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));
String str;
while( (str=in.readLine()) != null) {
System.out.println(str);
} catch (MalformedURLException e) {
System.out.println("Error in SLL Connetion" +e);
HostnameVerifier hv = new HostnameVerifier()
public boolean verify(String urlHostName, SSLSession session)
System.out.println("Warning: URL Host: " urlHostName " vs. "
session.getPeerHost());
return true;
want to ignore certificate validation.
plese help me..
hi brucechapman, as you suggested me, i posted in Core API- networking forum, now please gimme a solution
Thanks in advance.hi brucechapman,
ran the NetTest program, got the following exception:
trigger seeding of SecureRandom
done seeding SecureRandom
Exception in thread "main" java.net.ConnectException: Connection refused: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(Unknown Source)
at java.net.PlainSocketImpl.connectToAddress(Unknown Source)
at java.net.PlainSocketImpl.connect(Unknown Source)
at java.net.SocksSocketImpl.connect(Unknown Source)
at java.net.Socket.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.connect(Unknown Source)
at com.sun.net.ssl.internal.ssl.BaseSSLSocketImpl.connect(Unknown Source)
at sun.net.NetworkClient.doConnect(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.http.HttpClient.openServer(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
at java.net.URL.openStream(Unknown Source)
at Test.NetTest.main(NetTest.java:40)
NetTest.java:40 -- InputStream is = url.openStream(); at this ling throwing exception.
For the following program, i have added the argument -Djavax.net.ssl.trustStore=cacerts
i have exported the certificate from IE and added to the keystore.
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.security.Security;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
public class Communicator {
public static void main(String[] args) {
try {
int port = 34443;
String strReq = "xml content ";
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
SSLSocketFactory factory = (SSLSocketFactory) SSLSocketFactory.getDefault();
SSLSocket socket = (SSLSocket) factory.createSocket("jyoti-win2k8-32", port);
//Writer out = new OutputStreamWriter(socket.getOutputStream());
//out.write("GET http://" + "hostname" + "/ HTTP 1.1\r\n");
// out.write("\r\n");
//out.write(strReq);
//out.flush();
OutputStreamWriter wr = null;
try{
wr = new OutputStreamWriter(socket.getOutputStream());
catch(Exception e){
e.printStackTrace();
System.out.println("got output stream");
try{
wr.write(strReq);
//System.out.println("response code : "+conn.getResponseCode());
System.out.println("written");
wr.flush();
catch(IOException e){
e.printStackTrace();
InputStreamReader is = new InputStreamReader(socket.getInputStream(),"UTF8") ;
BufferedReader rd = new BufferedReader(is);
String line;int count=0;
System.out.println("rd "+rd);
while ((line = rd.readLine()) != null) {
System.out.println("line "+line );
System.out.println(count++);
// Process line...
System.out.println(count);
rd.close();
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
int c;
while ((c = in.read()) != -1) {
System.out.write(c);
//out.close();
in.close();
socket.close();
} catch(IOException ex) {
ex.printStackTrace();
Exception :
javax.net.ssl.SSLException: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.handleException(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.handleException(Unknown Source)
at com.sun.net.ssl.internal.ssl.AppOutputStream.write(Unknown Source)
at sun.nio.cs.StreamEncoder.writeBytes(Unknown Source)
at sun.nio.cs.StreamEncoder.implFlushBuffer(Unknown Source)
at sun.nio.cs.StreamEncoder.implFlush(Unknown Source)
at sun.nio.cs.StreamEncoder.flush(Unknown Source)
at java.io.OutputStreamWriter.flush(Unknown Source)
at Test.Communicator.main(Communicator.java:55)
Caused by: java.lang.RuntimeException: Unexpected error: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at sun.security.validator.PKIXValidator.<init>(Unknown Source)
at sun.security.validator.Validator.getInstance(Unknown Source)
at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.getValidator(Unknown Source)
at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(Unknown Source)
at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(Unknown Source)
at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Unknown Source)
at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.writeRecord(Unknown Source)
... 7 more
Caused by: java.security.InvalidAlgorithmParameterException: the trustAnchors parameter must be non-empty
at java.security.cert.PKIXParameters.setTrustAnchors(Unknown Source)
at java.security.cert.PKIXParameters.<init>(Unknown Source)
at java.security.cert.PKIXBuilderParameters.<init>(Unknown Source)
... 19 more
java.net.SocketException: Socket is closed
at com.sun.net.ssl.internal.ssl.SSLSocketImpl.getInputStream(Unknown Source)
at Test.Communicator.main(Communicator.java:66)
please help me and provide me suggestion/solution. how to get rid off this trustanchor paramater exception
what is it actualy?
Thanks in advance. -
Hi to you all,
I work with iAS 6.0 sp2 on Solaris.
For 1 day, I get that exception when trying to deploy or remove my modules (servlets + JSP) with the iasdeploy tool :
Exception while createXmlDocument()
java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native method)
at com.netscape.server.deployment.WebbAppReg.run(compiled code)
at com.netscape.server.deployment.WebbAppReg.main(Unknown source)
The war archive is put in the JAR directory, unpacked in the APPS/modules directory, but the servlets of the module have the null GUID in the registry ({000000 000000 000000}. And so, I have the GX error when trying to invoke them.
What appends ? Is it a iAS process which is unable ?
Please help !
Paul-EmileI think you have not put the xml files in the war file.
You need to put them under WEB-INF/ directory. Manually generate the guids using kguidgen script and try to deploy the war module. It should work fine. If it doesnot work please send me the file. So that I can further investigate and find out where exactly the problem is.Other wise you can use the deploytool.
Please let me know if this works fine.
Thanks for visiting our web forum. -
Connection refused While Calling a Web Service from WebDynpro Application.
Hi all,
I've created a Webdynpro application by importing a WSDL file which is created from a
Web Service from XI.
While I run this Application, and while it tries to connect to XI, I am getting following
error.
<b>Service call exception; nested exception is: java.net.ConnectException: Connection refused</b>
Can Someone please help me out on this issue?
Thanks in advance,
Tejas.Hi,
In my WebDynpro Application which is created by Importing a WSDL file from XI Web
Service is giving error : <b>Service call exception; nested exception is: java.net.ConnectException: Connection </b>
In NWDS-> Windows Menu-> Preferances -> Wrokbench -> Proxy Settings
Use Proxy Settings is <b>Checked</b>.
My Settings in Model's Logical Port is
<b>Use HTTP Port</b> is <b>Checked</b>.
In Securities-> <b>Authentication</b> is set to '<b>None</b>'
With this While I Execute the Application and when it tries to connect to XI..it throws
an error :
Service call exception; nested exception is: java.net.ConnectException: Connection
refused
Kindly help me on this issue.
Thanks in advance,
Tejas. -
Calling a WebServices From Java Stored Proc fails with Connection refused
I have followed the example in Note:220662.1 on Metalink step by step.
I am using two windows machines (2000 SP4). I have Oracle 9.2.0.5 EE on one of them and OC4J 9.0.4 standalone on the other(running on JVM 1.4.2_05-b04). The 2 servers "see" each other over the network.
I can execute the stub from the database machine:
C:\WebServices\HelloWorld>java HelloWorldImplWSStub
Hello World - The current time is Sat Aug 21 11:56:20 EDT 2004When running it from the database, I get:
SQL> select ws_hello_world from dual;
select ws_hello_world from dual
ERROR at line 1:
ORA-29532: Java call terminated by uncaught Java exception: [SOAPException:
faultCode=SOAP-ENV:IOException; msg=Connection refused;
targetException=java.net.ConnectException: Connection refused]
Elapsed: 00:00:21.02The trace file generated on the database server machine looks like:
[SOAPException: faultCode=SOAP-ENV:IOException; msg=Connection refused; targetException=java.net.ConnectException: Connection refused]
at oracle.soap.transport.http.OracleSOAPHTTPConnection.send(OracleSOAPHTTPConnection.java:765)
at org.apache.soap.rpc.Call.invoke(Call.java:261)
at HelloWorldImplWSStub.sayHelloWorld(HelloWorldImplWSStub.java:52)Here is the stub code generated using JDeveloper 9.0.5.1:
import oracle.soap.transport.http.OracleSOAPHTTPConnection;
import org.apache.soap.encoding.SOAPMappingRegistry;
import java.net.URL;
import org.apache.soap.rpc.Call;
import org.apache.soap.Constants;
import java.util.Vector;
import org.apache.soap.rpc.Response;
import org.apache.soap.rpc.Parameter;
import org.apache.soap.Fault;
import org.apache.soap.SOAPException;
import java.util.Properties;
public class HelloWorldImplWSStub {
public HelloWorldImplWSStub() {
m_httpConnection = new OracleSOAPHTTPConnection();
m_smr = new SOAPMappingRegistry();
public static String endpoint = "http://oc4jsrv:8888/MyWorkarea-OC4J-context-root/HelloWorldImplWS";
public String getEndpoint() {
return _endpoint;
public void setEndpoint(String endpoint) {
_endpoint = endpoint;
private static OracleSOAPHTTPConnection m_httpConnection = null;
private static SOAPMappingRegistry m_smr = null;
public static String sayHelloWorld() throws Exception {
String returnVal = null;
URL endpointURL = new URL(_endpoint);
Call call = new Call();
call.setSOAPTransport(m_httpConnection);
call.setTargetObjectURI("HelloWorldImplWS");
call.setMethodName("sayHelloWorld");
call.setEncodingStyleURI(Constants.NS_URI_SOAP_ENC);
Vector params = new Vector();
call.setParams(params);
call.setSOAPMappingRegistry(m_smr);
Response response = call.invoke(endpointURL, "");
if (!response.generatedFault()) {
Parameter result = response.getReturnValue();
returnVal = (String)result.getValue();
else {
Fault fault = response.getFault();
throw new SOAPException(fault.getFaultCode(), fault.getFaultString());
return returnVal;
public void setMaintainSession(boolean maintainSession) {
m_httpConnection.setMaintainSession(maintainSession);
public boolean getMaintainSession() {
return m_httpConnection.getMaintainSession();
public void setTransportProperties(Properties props) {
m_httpConnection.setProperties(props);
public Properties getTransportProperties() {
return m_httpConnection.getProperties();
public static void main(String[] argv) throws Exception {
HelloWorldImplWSStub hstub = new HelloWorldImplWSStub();
System.out.println(hstub.sayHelloWorld());
}The PL/SQL function code:
CREATE OR REPLACE FUNCTION ws_hello_world RETURN VARCHAR2
AS LANGUAGE JAVA
NAME 'HelloWorldImplWSStub.sayHelloWorld() return java.lang.String';Any help would be greatly appreciated.Hello,I have the same problem. Did you find any solution to it?
Thanks. Diego (Argentina)
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