Author Archives: atheek

About atheek

I am a Weblogic consultant working in Middleware/Integration area.

Restarting EDN delivery after a DB failover

At a client  production environment, the SOA DB auto-failover caused delivery of EDN events to stop working. When the DB came back online, all SOA composites started working. The components which were raising the EDN events were all working, but … Continue reading

Posted in EDN, SOA | Leave a comment

Expiring a Human Task that forgot to expire (workaround)

In BPM/SOA  11g, there are some known product issues which causes a Human Task with an expiry set to not to expire and remain running forever. There are some patches available to prevent this from occurring . This issue used to … Continue reading

Posted in BPM, HumanTasks, SOA | Leave a comment

2012 in review

The WordPress.com stats helper monkeys prepared a 2012 annual report for this blog. Here’s an excerpt: 4,329 films were submitted to the 2012 Cannes Film Festival. This blog had 15,000 views in 2012. If each view were a film, this … Continue reading

Posted in Uncategorized | Leave a comment

Opatch java.lang.UnsatisfiedLinkError: no oraInstaller in java.library.path wrong ELF class: ELFCLASS64

I got this error when trying to deploy an interim patch for soa installation using opatch on Solaris. Oracle support has one article related to this, but think the solution there is not applicable to all instances. The above error … Continue reading

Posted in OPatch | Tagged | 1 Comment

Weblogic SQL Authenticator and salted hash passwords.

Last 2 weeks I have been wrestling with a problem on how to make weblogic sql authenticator work correctly for user authentication when user password field is in salted hash format generated externally. I have discussed this problem in OTN … Continue reading

Posted in Security | Tagged , , | 7 Comments

WLST – Modular Scripts to create/destroy WLS resources

This post shows how to create modular WLST scripts to create weblogic resources. The principal followed was to keep the actual resource names and attribute values for the resources separated from the jython script used to create those resources. Each … Continue reading

Posted in Weblogic, WLST | Tagged , | 12 Comments

Implementing in-memory,clustered, stateful counter in OSB using Coherence

This post shows how to leverage Coherence to implement an in memory ,clustered , stateful counter in OSB. The counter is clustered means all managed servers in the cluster share the same counter and the sequence is mantained across all … Continue reading

Posted in Coherence, OSB | Tagged , , | 2 Comments