Weblogic startNodeManager.sh Fatal error in node manager server java.net.BindException: Address already in use

Hi,

When I start Weblogic Server, I got ” Fatal error in node manager server java.net.BindException: Address already in use ” error while starting Node Manager.

When I try to start up Weblogic Server after Server reboot, Node manager is not started and failed with following errors.

[oracle@MehmetSalih ]$ nohup /u01/app/oracle/middleware/wlserver_10.3/server/bin/startNodeManager.sh &

<Jul 23, 2019 11:48:29 AM> <SEVERE> <Fatal error in node manager server>
java.net.BindException: Address already in use
at java.net.PlainSocketImpl.socketBind(Native Method)
at java.net.AbstractPlainSocketImpl.bind(AbstractPlainSocketImpl.java:376)
at java.net.ServerSocket.bind(ServerSocket.java:376)
at javax.net.ssl.impl.SSLServerSocketImpl.bind(Unknown Source)
at java.net.ServerSocket.<init>(ServerSocket.java:237)
at java.net.ServerSocket.<init>(ServerSocket.java:181)
at javax.net.ssl.SSLServerSocket.<init>(SSLServerSocket.java:136)
at javax.net.ssl.impl.SSLServerSocketImpl.<init>(Unknown Source)
at javax.net.ssl.impl.SSLServerSocketFactoryImpl.createServerSocket(Unknown Source)
at weblogic.nodemanager.server.SSLListener.init(SSLListener.java:76)
at weblogic.nodemanager.server.NMServer.start(NMServer.java:206)
at weblogic.nodemanager.server.NMServer.main(NMServer.java:382)
at weblogic.NodeManager.main(NodeManager.java:31)

Jul 23, 2019 11:48:29 AM weblogic.nodemanager.server.NMServer main
SEVERE: Fatal error in node manager server
java.net.BindException: Address already in use
at java.net.PlainSocketImpl.socketBind(Native Method)

 

This means one of the Linux process is holding Nodemanager Process, so We are taking ” java.net.BindException: Address already in use “.

To solve this problem you need to kill this process like following.

 

Port of NodeManager is 5560, so find related process PID like following.

 

[oracle@MehmetSalih nodemanager]$ netstat -tulpn | grep 5560
(Not all processes could be identified, non-owned process info
 will not be shown, you would have to be root to see it all.)
tcp        0      0 :::5560                     :::*                        LISTEN      27910/java
[oracle@MehmetSalih nodemanager]$

 

 

 

Kill this process and check it again.

[oracle@MehmetSalih nodemanager]$ kill -9 27910
[oracle@MehmetSalih nodemanager]$
[oracle@MehmetSalih nodemanager]$
[oracle@MehmetSalih nodemanager]$ netstat -tulpn | grep 5560
(No info could be read for "-p": geteuid()=54323 but you should be root.)
[oracle@MehmetSalih nodemanager]$

 

After killing related process, Node Manager is started successfully with following script.

[oracle@MehmetSalih ]$ nohup /u01/app/oracle/middleware/wlserver_10.3/server/bin/startNodeManager.sh &

 

Mehmet Salih Deveci

I am Founder of IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks.I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients.If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress mehmetsalih.deveci@outlook.com.-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  mehmetsalih.deveci@outlook.com a mail atabilirsiniz.

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