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Shared Disk for your Pods: PersistentVolumes for Oracle Kubernetes Engine (OKE) Implemented as NFS File Storage in Oracle Cloud Infrastructure (OCI)


When you deploy in k8s a pod depending in persistent volume attached to block storage (for example this post), the volume created is mounted on a specific node. If that node fails or is stopped, the pods running on it fail when trying to be created in other node according to the replication policies they […]

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WCPortal 12c | PortalSharedLibrary | ADFBC TaskFlow issue: javax.naming.NameNotFoundException: While trying to look up comp/env/jdbc/xxxx


  I’ve got this error with a taskflow that uses ADFBC: <Jan 15, 2016 3:06:50 PM CET> <Error> <oracle.webcenter.webcenterapp.internal.view.error.WCErrorHandlerImpl> <BEA-000000> <getDisplayMessage Called=javax.naming.NameNotFoundException javax.naming.NameNotFoundException: While trying to look up comp/env/jdbc/HERCULESDS in /app/webapp/webcenter/949491555.; remaining name ‘comp/env/jdbc/HERCULESDS’         at weblogic.jndi.internal.BasicNamingNode.newNameNotFoundException(BasicNamingNode.java:1224)         at weblogic.jndi.internal.ApplicationNamingNode.lookup(ApplicationNamingNode.java:144)         at weblogic.jndi.internal.WLEventContextImpl.lookup(WLEventContextImpl.java:307) This SOLUTION worked for me: Edit bc4j.cfg and put the name of […]

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Cannot load /u01/wls_plugin/lib/mod_wl_24.so into server: libopmnsecure.so: cannot open shared object file: No such file or directory


I’ve configured weblogic proxy plugin 12c for linux according to documentation but I run into “Cannot load /u01/wls_plugin/lib/mod_wl_24.so into server: libopmnsecure.so: cannot open shared object file: No such file or directory” The error: [root@localhost ~]# apachectl restart Job for httpd.service failed. See ‘systemctl status httpd.service’ and ‘journalctl -xn’ for details. My settings: [root@localhost ~]# vi […]

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Improve your Java Application Detecting Oracle RAC FAN Events


Grab a RAC environment and configure a service, ons and so on… Create a java Project with your preferred tool and add the simplefan.jar library you can find in the jdbc distributions and create a java class like this: package es.jmu.oracle.altamira.gk; import java.util.Properties; import oracle.simplefan.FanEventListener; import oracle.simplefan.FanManager; import oracle.simplefan.FanSubscription; import oracle.simplefan.LoadAdvisoryEvent; import oracle.simplefan.NodeDownEvent; import oracle.simplefan.ServiceDownEvent; […]

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