javier mugueta

Me and my circumstance

IT by javier mugueta31 May, 201631 May, 2016

OTD in FMW 12.2.1

Now in FMW version 12.2.1 Oracle Traffic Director (OTD) is integrated with Entreprise Manager. OTD is a software balancer solution included in ExaLogic and Oracle Public Cloud PaaS offering such as JCS, SOACS, … OTD allows internal load balancing between different FMW components such as OSB, BPM, WCP, WCC, MFT, … without the need to […]

IT by javier mugueta29 May, 201631 May, 2016

Q: Where does the 5000ms timeout come from when I get “process(Lweblogic.cluster.messaging.internal.ClusterMessage;) timed out after: 5000ms..”?

And we said: The 5000ms is the currently default value for DatabaseLessLeasingBasisMBean.MessageDeliveryTimeout mbean propety. This is the stack trace generated by a weblogic managed server leader in a cluster defined with consensus migration in wich another cluster node probably died (or was very busy): Apr 25, 2016 10:47:42 AM CEST> <Warning> <RJVM> <BEA-000573> <RequestTimeout for […]

IT by javier mugueta27 May, 201627 May, 2016

Securing some parts of a WebApp in WebLogic

These are the steps to protect some urls of a web application deployed in WebLogic: AUTHENTICATION PROVIDERS Create appropiate authentication provider configuration. Restart WebLogic AdminServer and check that you are getting users, groups and user/groups membership from the external ldap repository DEPLOYMENT DESCRIPTORS Supose: You have a group in LDAP called extranetgroup. User joe belongs […]

IT by javier mugueta27 May, 201627 May, 2016

ApacheDS, user groups membership and WebLogic

In ApacheDS, the ldap search for getting the group names a user (for instance cn=juan,ou=usuarios,0=acmecorp) belongs to is as follows: (& (objectClass=groupofuniquenames) (uniqueMember=2.5.4.3=juan,2.5.4.11=usuarios,2.5.4.10=acmecorp) ) In weblogic, for the supported ldap auth providers, the user membership configuration pattern setting is: (&(<someattribute>=%M)(objectclass=<someobjectclass>)) Therefore a custom authenticator provider is needed in order to get it working. Enjoy 😉 […]

IT by javier mugueta24 May, 201627 May, 2016

Q: Why af:selectOneChoice unselectedLabel is not catched by valueChangeListener?

And we said: unselectedLabel has associated a null value, it is intended for end user information purposes the first time the drop-down list is loaded on page. Hint: set required=true and requiredMessageDetail=whatevermessagetext if you want to force the user to select a value from drop-down list. Enjoy 😉

IT by javier mugueta13 May, 201627 May, 2016

To Cache or not to cache, that is the question, which is the answer?

The answer as almost always is: it depends! We are living in a cached world, otherwise the information systems would be crashing on and on. But caches are not the best solution if you have hidden defects. Let’ review a few recipes: Are you doing functional an acceptance testing? you’d better disable all of them […]

IT by javier mugueta6 April, 20169 October, 2021

Why SOMETIMES WebSites Fail TOO MUCH?

Simple answer is a question, what have you done to avoid failures? I’ve been working for years working for Customers to help resolve loss of service in their internal and public applications and I have to say it is a little surprising the lack of understanding of what is really happening or what are the […]

IT by javier mugueta31 March, 201631 May, 2016

Oracle BPM 12.2.1 | BPM with DBadapter | Error deploying archive sca_XXXX.jar to partition “yyyyy” on server ZZZZZZ [http://server:port] HTTP error code returned [500]

Hi, When deploying BPM artifact that utilizes DBAdapter created with Database Adapter Creator Wizard, take care about the JNDI name that the “Browse JNDI tree” magnifying glass tool retrieves, because the name must match case sensitive the name configured in the Deployments>DBAdapter>Configuration>Outgoing Connections Pool>”Connection Name”: Otherwise you’ll get a deployment error: [11:09:32 PM] —- Deployment […]

IT by javier mugueta15 March, 201627 May, 2016

Testing heap size on HP UX with jdk 1.5 64bits

Is three a limit in the heap size for HP UX jdk1.5? -No, according to this test: /opt/java1.5/bin/IA64W/java -d64 -Xms256m -Xmx8000m -jar memtest.jar MemTest (c)jmu | mar 2016 | A simple test program Creating a byte[] of 3145728 bytes size A small piece of the array: hhhhhhhhhh Sleeping 30 secs goodbye Source code: package memtest; […]