Lucas Jellema
Zoetermeer, Netherlands


 
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AUTHOR BIO:Lucas Jellema is CTO at AMIS, an Oracle, Java, and SOA specialist based in Nieuwegein, The Netherlands. He works as a consultant, architect, and instructor in diverse areas, such as SQL & and PL/SQL, Java, Oracle ADF & and WebCenter, and SOA Suite. The running theme through most of his activities is the transfer of knowledge and enthusiasm.



Lucas is an author at the AMIS Technology Blog (http://technology.amis.nl/blog), for Oracle Technology Network, and for international magazines. He is a frequent presenter on at international conferences, including Devoxx, JavaOne, Oracle Open World, ODTUG, UKOUG, OBUG, AUSOUG, and , Oracle University Celebrity Seminars, and AUSOUG. He was nominated Oracle ACE in 2005 and ACE Director in 2006.



Before joining AMIS in 2002, he Lucas worked for Oracle Consultancy in the Netherlands, where he was a member of the Internet Development Center of Excellence - —working on classic products like such as Oracle Designer & and Forms and the productivity boosters Headstart, CDM RuleFrame, Echo, Repository Object Browser, and JHeadstart.

SERVICES:Consultancy and training on SOA (Suite), ADF and WebCenter, PL/SQL and SQL, and more.


WRITTEN WORKS:

Java developers: make the database work for you (2010)

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Presentaion by Lucas Jellema


Reaching Out from PL/SQL Engaging with the world (2010)

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Presentation by Lucas Jellema


Oracle SOA Suite 11g Handbook
Published on: 2010-08-27
Copyright: 2011
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Oracle SOA Suite 11g Meets Oracle Business Process Management 11g (2010)

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Presentation by Lucas Jellema


SOA for PL/SQL Developers (2010)

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Presentation by Lucas Jellema


SOA for Database Professionals (2010)

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Presentation by Lucas Jellema


Why and How to Engage a Complex Event Processor from a Java Web Application (2010)

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Presentation by Lucas Jellema


Xenogenetics for PL/SQL: Infusing with Java Best Practices and Design Patterns (2010)

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Presentation by Lucas Jellema and Alex Nuijten


Forms2Future: Journey into the Future for organizations on the Oracle Platform (2010)

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Presentation by Peter Ebell and Lucas Jellema



BLOG:

SQL> Select * From Alert_XML_Errors;
Fri, 29 Aug 2014 18:58:45 +0000

Once you are able to show the xml version of the alert log as data in database table Alert_XML, it would be nice to checkout the errors with accompanying timestamps from within view Alert_XML_Errors. Like this, with the help of 2 types and a pipelined function. su - oracle . oraenv [ orcl ] [oracle@localhost [...]

The post SQL> Select * From Alert_XML_Errors; appeared first on AMIS Technology Blog.


SQL> Select * From Alert_XML;
Thu, 28 Aug 2014 20:46:55 +0000

By mapping an external table to some text file, you can view the file contents as if it were data in a database table. External tables are available since Oracle 9i Database, and from Oracle 11gR2 Database on, it is even possible to do some inline preprocessing on the file. The following example of this [...]

The post SQL> Select * From Alert_XML; appeared first on AMIS Technology Blog.


Sqlnet tracing during nightly hours…
Tue, 26 Aug 2014 13:47:25 +0000

A TNS error at night… Sometime ago my data warehouse colleague came to me with a TNS error. At night times he runs his batch jobs in order to update his data warehouse. That night one of his jobs did not run properly and generated an ORA-12592 error. He had to restart this job during [...]

The post Sqlnet tracing during nightly hours… appeared first on AMIS Technology Blog.


SOA Suite 12c: Using Enterprise Scheduler Service to schedule deactivation and activation of inbound adapter bindings
Sat, 23 Aug 2014 20:46:10 +0000

The Enterprise Scheduler Service that is available in Fusion Middleware 12.1.3 supports a number of administration activities around the SOA Suite. We will look at one particular use case regarding environment management using the ESS. Suppose we have an inbound database adapter. Suppose we have created the PortalSlotRequestProcessor SOA composite that uses a database poller [...]

The post SOA Suite 12c: Using Enterprise Scheduler Service to schedule deactivation and activation of inbound adapter bindings appeared first on AMIS Technology Blog.


SOA Suite 12c: Invoke Enterprise Scheduler Service from a BPEL process to submit a job request
Sat, 23 Aug 2014 10:50:19 +0000

The Fusion Middleware 12.1.3 platform contains the ESS or Enterprise Scheduler Service. This service can be used as an asynchronous, schedule based job orchestrator. It can execute jobs that are Operating System jobs, Java calls (local Java or EJB), PL/SQL calls, and Web Service calls (synchronous, asynchronous and one-way) including SOA composite, Service Bus and [...]

The post SOA Suite 12c: Invoke Enterprise Scheduler Service from a BPEL process to submit a job request appeared first on AMIS Technology Blog.


FMW 12.1.3 – Invoking Enterprise Scheduler Service Web Services from SoapUI
Sat, 23 Aug 2014 07:03:01 +0000

The Fusion Middleware 12.1.3 platform contains the ESS or Enterprise Scheduler Service. This service can be used as asynchronous, schedule based job orchestrator. It can execute jobs that are Operating System jobs, java calls (local Java or EJB), PL/SQL calls, and Web Service calls (synchronous, asynchronous and one-way) including SOA composite, Service Bus and ADF [...]

The post FMW 12.1.3 – Invoking Enterprise Scheduler Service Web Services from SoapUI appeared first on AMIS Technology Blog.


 
Author Profile
Name: Lucas Jellema
Location: Zoetermeer, Netherlands
Subjects: Middleware; Databases;
Regions: Australia; Europe; US/West Coast;


Website: technology.amis.nl/blog

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