For Weblogic administrators and application devolopers, it may be desirable to view the JVM metrics from a managed server in OEM (CloudControl) and Java Mission Control. It is also possible to use the flight recorder with stored measurement data so that it can be analyzed at a later time. Issue: […]
Oracle WebLogic Server
Oracle WebLogic application server
Securing Oracle Service Bus REST services with OAuth2 client credentials flow (without using additional products)
OAuth2 is a popular authentication framework. As a service provider it is thus common to provide support for OAuth2. How can you do this on a plain WebLogic Server / Service Bus without having to install additional products (and possibly have to pay for licenses)? If you just want to […]
Using Java Management Extensions within Oracle Enterprise Manager Cloud Control 13c
The answer to using Java Management Extensions(JMX) within Oracle Enterprise Manager Cloud Control is using Metric Extensions. Metric extensions provide you with the ability to extend Oracle’s monitoring capabilities. I will show you how to create an extension to monitor a WebLogic Messaging Bridge. You can use other methods to […]
Weblogic 12c – change console preferences using python and wlst
You can configure some features of the Administration Console by setting preferences manualy in the console. For some features you need to restart the Admin server. In a provisoned environment you will need this to be automated. For this example i used wlst and python. In this case there is […]
Oracle SOA Suite and WebLogic: Overview of key and keystore configuration
Keystores and the keys within can be used for security on the transport layer and application layer in Oracle SOA Suite and WebLogic Server. Keystores hold private keys (identity) but also public certificates (trust). This is important when WebLogic / SOA Suite acts as the server but also when it […]
Two way ssl
How it works in a simple view Several implementations are done with 2 way ssl certificates, but still wondering how it works? Let’s try to explain. Two-way ssl means that a client and a server communicates on a verified connection with each other. The verifying is done by certificates to […]
Configuring Oracle Traffic Director 12c with WebGate
At a recent customer install, I was faced with configuring Oracle Traffic Director (OTD) 12.2.1.2.0 Webgate with Oracle Access Manager. Deploying Webgate on OD 12c is very well described in the documentation. See A Configuring OAM Agent (WebGate) for Oracle Traffic Director 12.2.1.2 There is however a flaw in the […]
Docker, WebLogic Image on Amazon EC2 Container Service
This blog series shows how to get started with WebLogic and Docker – in 3 different Clouds: Docker and the Oracle Images Create and run a WebLogic Docker Image on a local machine and upload the WebLogic Docker Image into the Docker Hub registry WebLogic Docker Container on Oracle Container […]
Docker, WebLogic Image on Microsoft Azure Container Service
This blog series shows how to get started with WebLogic and Docker – in 3 different Clouds: Docker and the Oracle Images Create and run a WebLogic Docker Image on a local machine and upload the WebLogic Docker Image into the Docker Hub registry WebLogic Docker Container on Oracle Container […]
Docker, WebLogic Image on Oracle Container Cloud Service
This blog series shows how to get started with WebLogic and Docker – in 3 different Clouds: Docker and the Oracle Images Create and run a WebLogic Docker Image on a local machine and upload the WebLogic Docker Image into the Docker Hub registry WebLogic Docker Container on Oracle Container […]
Docker, WebLogic Images on Local Linux
This blog series shows how to get started with WebLogic and Docker – in 3 different Clouds: Docker and the Oracle Images Create and run a WebLogic Docker Image on a local machine and upload the WebLogic Docker Image into the Docker Hub registry WebLogic Docker Container on Oracle Container […]
Docker, Oracle Images and Cloud
Overview Oracle is embracing Docker – just like many other companies – as the de-facto standard in Container technologies. It has resulted in the certification of various Oracle products for running in Docker containers and even Oracle supported Docker images are available. Furthermore, Oracle offers 2 Cloud Service around containers: […]
Oracle SOA Suite: Two-way SSL with TLS1.2 made easy (slightly less complicated)
Transport layer security (TLS) is not an easy topic. Many blogs have been written about this already. Surprisingly though, I did not find a single blog which was more or less complete and provided me with everything I needed to know to get this working on SOA Suite 12.2.1. In […]
Oracle Service Bus : Service Exploring via WebLogic Server MBeans with JMX
At a public sector organization in the Netherlands there was the need to make an inventory of the deployed OSB services in order to find out, the dependencies with certain external web services (which were on a list to become deprecated). For this, in particular the endpoints of business services […]
Oracle Service Bus : disable / enable a proxy service via WebLogic Server MBeans with JMX
At a public sector organization in the Netherlands an OSB proxy service was (via JMS) reading messages from a WebLogic queue. These messages where then send to a back-end system. Every evening during a certain time period the back-end system was down. So therefor and also in case of planned […]
Oracle Service Bus: Pipeline alerts in Splunk using SNMP traps
Oracle Service Bus provides a reporting activity called Alert. The OSB pipeline alerts use a persistent store. This store is file based. Changing the persistent store to JDBC based, does not cause pipeline alerts to be stored in a database instead of on disk. When the persistent store on disk […]
Setting Log Levels for Diagnostic Logging in WebLogic 12.2
Applications and framework libraries running on WebLogic produce logging at various levels: error, warning, information, debug (fine and finer). WebLogic allows us to specify what level of logging should be written to the log files. Under normal circumstances administrators will probably require no more than error or perhaps warning level. […]
WebLogic Server: Logging the SOAP action in the access.log
WebLogic Server allows you to customize your access.log. This can be very powerful if you want to monitor for example service response times in a tool like Splunk (see here). When working with SOAP services though, especially those with many operations, it can be insufficient to monitor services to the […]
WebLogic Server: Automate obtaining performance metrics from the DMS
Oracle provides the Dynamic Monitoring Service (DMS) as part of WebLogic Server which is extremely useful if you want to obtain aggregated data of an environment in case of for example a performance test. The data which can be obtained from DMS is extensive. This varies from average duration of […]
FTP Adapter Configuration for SFTP
Introduction At my current project incoming data files, located at a third party FTP server, have to be read using SFTP. Despite of several blog posts and the FTP Adapter documentation of Oracle, it took us a full day to get a working SFTP configuration. I use this blogpost to […]
How to create a private 10 Gb network on an ODA X5-2
In my previous post Network considerations on an ODA X5-2 I described a solution where I created a private network to optimize network performance between the components running on an Oracle Database Appliance. I am talking about a Virtualized setup in this article, and rebuilding the second pair of public […]
Monitor Oracle SOA Suite service response times with Splunk
Measuring performance of services can be done in various ways. In this blog article I will describe a method of measuring Oracle SOA service response times with Splunk a popular monitoring tool. In order to monitor service response times with Splunk, Splunk needs to obtain its data from somewhere. In […]
Quick overview of SOA Suite 12.2.1 new features
Oracle has just released SOA Suite 12.2.1 which contains several exciting new features. The below entries have shamelessly copied from the developers guide in order to provide a quick overview of highlights for this release of the SOA Suite. Also at the end of the article some links for new features of […]
Overview of WebLogic 12c RESTful Management Services
Inspired by a presentation given by Shukie Ganguly on the free Oracle Virtual Technology Summit in July (see here); “New APIs and Tools for Application Development in WebLogic 12c”, I decided to take a look at an interesting new feature in WebLogic Server 12c: the RESTful Management Services. You can […]
WebLogic Server and OpenLDAP. Using dynamic groups
Dynamic groups in an LDAP are groups which contain a query to specify its members instead of specifying every member separately. Efficient usage of dynamic groups makes user maintenance a lot easier. Dynamic groups are implemented differently in different LDAP server implementations. Weblogic Server can be configured to use dynamic […]
Weblogic Console and BPM Worklist. Authentication using OpenLDAP
In this blog I will illustrate how you can configure Weblogic Server to use OpenLDAP as authentication provider and to allow OpenLDAP users to login to the Oracle BPM Worklist application. In a previous blog I have already shown how to do Weblogic Authentication with ApacheDS (LDAP and Weblogic; Using […]
Unleash the power of Java API’s on your WLST scripts!
Oracle SOA Suite and many other Oracle products have extensive Java API’s to expose their functionality. WLST can often be used for relatively course grained actions. WLST (the version supplied in Weblogic 12.1.3) uses Jython 2.2.1. Jython is the Python scripting language implemented on the Java Virtual Machine. Jython allows […]
ADF Performance Monitor: Support for EJB/JPA (EclipseLink)
Not all Oracle ADF projects are built with ADF Business Components (ADF BC). Some organizations prefer to use EJB/JPA (EclipseLink) instead of ADF BC. The EclipseLink JPA provides developers with a standards based Object-Relational persistence solution. The application still reflects the Model-View-Controller architecture. In this case the model is provided by […]
My first experiences with ThreadLogic
A while ago I came into touch with ThreadLogic. Most of the people whom I was talking about it, did not know the tool. This unfamiliarity with ThreadLogic made me decide to write this blog. I think that every WebLogic Administrator should know ThreadLogic and that it is also a very […]
Creating and scaling Dynamic Clusters using wlst
In my previous article, Creating and scaling Dynamic Clusters in Weblogic 12c, I described the creation and scaling of Dynamic Clusters. I used the Weblogic Console to create the Dynamic Clusters and change the number of servers. Most of the time you will use some wlst scripting to create and […]
Creating and scaling Dynamic Clusters in Weblogic 12c
Introduced in Weblogic 12.1.2, dynamic clusters is a great feature to scale your private cloud. Dynamic clusters provides you easy scaling of Weblogic clusters by adding and removing managed server instances on demand. They contain one or more dynamic servers. These dynamic servers are based on a single servertemplate that […]
ADF Performance Monitor: Measuring Network Time to Browser and Browser Load Time
Recently we added a great new feature to the ADF Performance Monitor: network and browser load time information. Now you know exactly every end-user experience of your ADF application, in real-time. You can quickly resolve any performance bottlenecks with this end-to-end visibility. You can even drill down into an individual user to […]
Weblogic LDAPAuthenticator configuration; the GUID Attribute
LDAP servers can be configured to use as authenticator in Weblogic Server. In order to efficiently use an LDAP server, it must be possible to uniquely identify LDAP objects. GUID (global universal identifier) attributes can be used as unique identifier for an LDAP object. There are several specific and some […]
Securing OHS environments with latest SSL TLS protocols and SHA-2 certificates
Customer case A while ago I was contacted by a customer about their old Oracle Application and Weblogic Server environment. They were receiving complaints from users that they can’t connect to the secure site any longer. Most of the complaints came from users that just recently updated their tablet or […]
SQL*Plus / SQL*Net Dead Connection Detection
Recently I came across the situation where I knew for a fact that my sessions to the database were dead because I pulled the power plug out of my application server for a failover test. But the sessions stayed visible in the database and kept their locks therefore the failover failed. Now how […]
Oracle SOA Suite 12c: The LDAPAdapter, a quick and easy tutorial
In enterprises, LDAP servers are often used to store user credentials and groups and share them among applications. Oracle SOA Suite 12c introduces a new technology adapter; the LDAPAdapter which allows easy integration with LDAP servers. In this blog post I will provide a quick and easy howto on installation […]
LDAP and Weblogic; Using ApacheDS as authentication provider for Weblogic
A Lightweight Directory Access Protocol (LDAP) server is often used to centralize management of users/groups/credentials within enterprises. An LDAP server stores user information such as group memberships and often also authorization/authentication data. You can use this information to authenticate on Weblogic Server. In this blog post I will provide a […]
ADF Runtime Diagnostics: Instrumenting your ADF Application – Part 2
In a series of blog articles I show how you can instrument your ADF Application key actions. Instrumenting gives visibility and insight of what is happening inside the ADF application and in the ADF framework (what methods and queries are executed, when and how often). These runtime diagnostics can be very effective in […]
ADF Runtime Diagnostics: Instrumenting your ADF Application – Part 1
In a series of blog articles I will show how you can instrument your ADF Application key actions. Instrumenting gives visibility and insight of what is happening inside the ADF application and in the ADF framework (what methods and queries are executed, when and how often). These runtime diagnostics can be very effective […]
ADF Performance Tuning: Tips on How to Limit ADF BC Memory Consumption
This blog contains tips and tricks on to how limit the JVM memory consumption of ADF applications. Like other web applications, Oracle ADF applications potentially use a lot of JVM memory. Many times, the root cause of a high memory usage is that application data retrieved from the database into memory […]