Weblogic server is not starting up ; java.lang.AssertionError

 If the weblogic server is not starting up and giving the below error , please follow the below solution :-

Error :-

#Aug 18, 2014 12:34:29 AM PDT# #Notice# #WebLogicServer# #BEA-000365# #Server state changed to STARTING#

#Aug 18, 2014 12:34:29 AM PDT# #Info# #WorkManager# #BEA-002900# #Initializing self-tuning thread pool#

#Aug 18, 2014 12:34:29 AM PDT# #Notice# #Log Management# #BEA-170019# #The server log file /u01/app/oracle/config/domains/Vinay/servers/AdminServer/logs/AdminServer.log is opened. All server side log events will be written to this file.#

#Aug 18, 2014 12:34:29 AM PDT# #Critical# #WebLogicServer# #BEA-000386# #Server subsystem failed. Reason: java.lang.AssertionError: Could not obtain the localhost address. The most likely cause is an error in the network configuration of this machine.

java.lang.AssertionError: Could not obtain the localhost address. The most likely cause is an error in the network configuration of this machine.

                at weblogic.server.channels.AddressUtils$AddressMaker.getLocalHost(AddressUtils.java:38)

                at weblogic.server.channels.AddressUtils$AddressMaker.#clinit#(AddressUtils.java:33)

                at weblogic.server.channels.AddressUtils.getIPAny(AddressUtils.java:154)

                at weblogic.protocol.configuration.ChannelHelper.checkConsistency(ChannelHelper.java:61)

                at weblogic.server.channels.ChannelService.start(ChannelService.java:207)

                Truncated. see log file for complete stacktrace

Caused By: java.net.UnknownHostException: pocsrv2: pocsrv2

                at java.net.InetAddress.getLocalHost(InetAddress.java:1402)

                at weblogic.server.channels.AddressUtils$AddressMaker.getLocalHost(AddressUtils.java:36)

                at weblogic.server.channels.AddressUtils$AddressMaker.#clinit#(AddressUtils.java:33)

                at weblogic.server.channels.AddressUtils.getIPAny(AddressUtils.java:154)

                at weblogic.protocol.configuration.ChannelHelper.checkConsistency(ChannelHelper.java:62)

                Truncated. see log file for complete stacktrace

#

#Aug 18, 2014 12:34:30 AM PDT# #Notice# #WebLogicServer# #BEA-000365# #Server state changed to FAILED#

#Aug 18, 2014 12:34:30 AM PDT# #Error# #WebLogicServer# #BEA-000383# #A critical service failed. The server will shut itself down#

#Aug 18, 2014 12:34:30 AM PDT# #Notice# #WebLogicServer# #BEA-000365# #Server state changed to FORCE_SHUTTING_DOWN#

[oracle@pocsrv2 Vinay]$ less

Solution :-

 1) Update the hostname value for root user by using the following command:

HOSTNAME=xyz.abc.com
export $HOSTNAME
hostname xyz.abc.com

2) After these changes the env variable for root user is modified to the correct hostname value as shown below:

HOSTNAME=xyz.abc.com                    
SHELL=/bin/bash
TERM=xterm
HISTSIZE=1000
SSH_CLIENT=10.1.2.3 1401 22
SSH_TTY=/dev/pts/2
USER=vinay