sap nw 7.3 portal installation

Hi,

Operating System ------windows server 2008

java --------------j2sdk1.4.2_17-x64

Database Version and patch level-------db2 9.7 FP 5

kernel patch level---------51041452_2 (DVD number)

DB DVD-----------51042674 (DVD number)

DB cli ----------51042675 (DVD number)

JAVA component------51043601 (DVD number)

But we have stuck in the installation in java deploy component ...is there any person who have stuck in the phase ...error message says that........"""

[ Error ] Could not establish connection to AS Java on [testpep:50004]. No alive connection. Check if the host and port specified are correct and AS Java is up and running.

[ LOG EXCEPTION ] :: Could not establish connection to AS Java on [testpep:50004]. No alive connection. Check if the host and port specified are correct and AS Java is up and running.

javax.naming.NamingException: Exception during getInitialContext operation. Cannot establish connection to the remote server. [Root exception is com.sap.engine.services.security.exceptions.BaseLoginException: Exception in creating new RemoteLoginContext instance.]

at com.sap.engine.services.jndi.InitialContextFactoryImpl.handleConnectionPropblem(InitialContextFactoryImpl.java:411)

at com.sap.engine.services.jndi.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:333)

at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:667)

at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:288)

at javax.naming.InitialContext.init(InitialContext.java:223)

at javax.naming.InitialContext.<init>(InitialContext.java:197)

at com.sap.engine.services.dc.api.session.impl.SessionImpl.getContext(SessionImpl.java:215)

at com.sap.engine.services.dc.api.deploy.impl.DeployProcessorImpl.reconnectDeployer(DeployProcessorImpl.java:1974)

at com.sap.engine.services.dc.api.deploy.impl.DeployProcessorImpl.waitResultForOfflineDeploy(DeployProcessorImpl.java:1655)

at com.sap.engine.services.dc.api.deploy.impl.DeployProcessorImpl.deployItems(DeployProcessorImpl.java:932)

at com.sap.engine.services.dc.api.deploy.impl.DeployProcessorImpl.deploy(DeployProcessorImpl.java:259)

at com.sap.engine.services.dc.api.cmd.deploy.DeployCommand.performOperation(DeployCommand.java:208)

at com.sap.engine.services.dc.api.cmd.deploy.DeployCommand.executeCommand(DeployCommand.java:540)

at com.sap.engine.services.dc.api.cmd.AbstractCommand.execute(AbstractCommand.java:197)

at com.sap.engine.services.dc.api.cmd.Runner.execute(Runner.java:37)

at com.sap.engine.services.dc.api.cmd.Runner.main(Runner.java:61)

Caused by: com.sap.engine.services.security.exceptions.BaseLoginException: Exception in creating new RemoteLoginContext instance.

at com.sap.engine.services.security.remote.login.RemoteLoginContext.<init>(RemoteLoginContext.java:164)

at com.sap.engine.services.jndi.implclient.LoginHelper.clientSideLogin(LoginHelper.java:79)

at com.sap.engine.services.jndi.InitialContextFactoryImpl.getInitialContext(InitialContextFactoryImpl.java:314)

... 14 more

Caused by: com.sap.engine.services.rmi_p4.P4IOException: No alive connection

at com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.getException(P4ObjectBrokerClientImpl.java:824)

at com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.getException(P4ObjectBrokerClientImpl.java:809)

at com.sap.engine.services.rmi_p4.ClientConnection.sendRequest(ClientConnection.java:281)

at com.sap.engine.services.rmi_p4.P4ObjectBrokerClientImpl.resolveInitialReference(P4ObjectBrokerClientImpl.java:123)

at com.sap.engine.services.rmi_p4.RemoteBroker.resolveInitialReference(RemoteBroker.java:41)

at com.sap.engine.services.security.remote.login.RemoteLoginContext.<init>(RemoteLoginContext.java:153)

... 16 more