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Network security training by MIT

I was looking for some video training on WebLogic security and found mostly very poor, boring, slow videos presented by trainers who say "I mean" in every sentence and take themselves very seriously....

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Cryptography: recommended Wikipedia readings

https://en.wikipedia.org/wiki/Public_key_certificatehttps://en.wikipedia.org/wiki/RSA_(cryptosystem)https://en.wikipedia.org/wiki/Digital_signaturehttps://en.wikipedia.org/wiki/Certificate_authorityhtt...

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ClasspathCrawler, the antidote to the manifest.mf ClassPath poison

Some intoxicated Moron after a night of Martini and Pizza must have decided to introduce in Java one of the most brittle and obscure fantasies in the history of IT: the Class Path clause in a...

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Not only Java. my first (and last) experience with Airbnb

Driven more by the desire of a personal challenge, than by the lust for money, I have put on Airbnb a room for a short (10 days) period. I was really determined to treat my guest in a very friendly...

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verbose:class not tracing the classloader

If you start the jvm with "java -verbose:class" you get this stuff: [Opened c:\pippo\wl12.1\oracle_common\modules\endorsed\javax-xml-bind.jar][Opened...

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git sucks (I HAD to say it one day)

I am an occasional GIT user and it really, really gets on my nerve how difficult it is to do anything even basic, that with SVN I could do in a much more predictable way. I have already lost on several...

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WebLogic Java EE tutorials

(or J2EE as someone still says) putting together a lost of documentation and training material to become a WebLogic and Java Enterprise Edition GURU:...

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Multitenancy in WebLogic Server 12.2.1

Excellent presentation here: Official documentation is here: https://docs.oracle.com/middleware/1221/wls/WLSMT.pdf

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UseSunHttpHandler

I am curious about this property -DUseSunHttpHandler=true, according to Oracle, it's all about which Stack is used to handle SSL (JSSE), Java or WebLogic: "by setting UseSunHttpHandler, it is using the...

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Security: how to retrieve a certificate from a keystore

See here https://docs.oracle.com/cd/E19509-01/820-3503/ggfen/index.html how to create a keystore with a (self signed) certificate. Code is here:...

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CDI context dependency injection

CDI is a powerful concept, but as usual implementation is pathetic (Spring, Java EE, whatever). Annotations make code less readable, they leak concern, are extremely hard to debug (ever tried to find...

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WebLogic JSP generation and compilation

Doc ID 1306579.1 : "Since the 10.3.2 timeframe, we have been gradually moving away from using javac. In both the JSP engine and the EJB engines, we are now using a repackaged version of the JDT...

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EntityManager and statement timeout

We spoke here about Statement Timeout to set on a Datasource http://www.javamonamour.org/2013/04/statement-timeout-on-datasource.html If you use an EntityManager, you don't have access to the...

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WebLogic Elastic cluster

very interesting demos on how to scale up/down (with console, with WLST or via policies) the number of managed servers in a cluster

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WebLogic Partitions and Multitenancy

Excellent presentation here: https://blogs.oracle.com/imc/entry/introducing_oracle_weblogic_server_12

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WebLogic fails with NullPointerException at...

<Sep 20, 2016 9:26:42 PM CEST> <Error> <Kernel> <BEA-000802> <ExecuteRequest failed java.lang.NullPointerException.java.lang.NullPointerException at...

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WebLogic Partitions and Multitenancy

Excellent presentation here: https://blogs.oracle.com/imc/entry/introducing_oracle_weblogic_server_12

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XA transactions explained : TLOG, prepare, recover, determiner

https://blogs.oracle.com/WebLogicServer/entry/exiting_new_jta_12_1about the "removal of TX logging feature"great explanation by Monica Riccelli! in WLS 12.2.1, check in Cluster/JTA the properties...

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Java Mission Control jmc WebLogic plugin

funnily, the plugin installs, but whenever I run it, it says "event type BLA is not enabled in this recording" and I can't figure out how to enable the event recording......

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WebLogic Server Request Performance View

On how to configure the deployment to add a "Context ID" using the wldf-resource/wldf-instrumentation-monitor tag: http://docs.oracle.com/cd/E24329_01/web.1211/e24426/config_context.htm#WLDFC253

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