WebLogic 12 shared libraries
https://docs.oracle.com/cd/E24329_01/web.1211/e24368/libraries.htm#WLPRG325Excellent presentation here: it's always recommended to set Specification Version and Implementation Version in the...
View ArticleAwesome 100 minutes presentation on What is new in WebLogic 12.1.3
http://download.oracle.com/tutorials/ecourse/fmw/wls/wls_12.1.3_new_features/presentation.html or https://goo.gl/ESkvHjIt covers a lot of aspects including Exalogic, JTA, Elastic clusters, JMS....
View ArticleLebara: true story
I used to have a Lebara CH mobile phone, with a hefty balance of more than 100 CHF (they used to give a huge discount when you top-up 100 CHF at a time). Their service works, but they didn't offer a...
View ArticleWebLogic "The managed server could not update the configuration files"
getting this error today, with Admin server up and running, and starting a Managed server member of a cluster.... the .bindings file is part of the MQ Foreign JMS server configuration: <Dec 29, 2016...
View ArticleHuge surge of audience from Russia
This week visits to this blog: United States 2089 Russia 1880 1) either the Russians are investing into Java, 2) or we have a massive web crawling operation from Russia 3) or someone is massively...
View ArticlePoor man's version of FindClasses
We already spoke here on how to find a class in an ocean of JAR files. Here is a brutally simple utility to write all the JAR contents to a file: import java.io.BufferedWriter;import...
View ArticleWebLogic: all MS in a cluster hang while starting up.......
in the thread dump of both MS I see several blocked threads: weblogic.cluster.MemberManager.getRemoteMembers weblogic.iiop.ClusterServices.getMembers...
View ArticlePoor man's wget for Windows
Windows not only is an awfully stinking mastodon, but it even lacks the most basic tools commonly available on Linux, such as telnet and wget. I have found a bare bones wget implementation for Java and...
View Articlejavax.net.ssl.SSLHandshakeException: null cert chain
Some HtTP 500 was being generated in a webapp. by enabling these flags...
View ArticleSnoopServlet
Create a Dynamic Web project "SnoopServlet"This is the web.xml: <?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"...
View ArticleEclipse M2_REPO
In Eclipse, if you go to Window/Preferences , Java/Build Path/Classpath Variable , there you see M2_REPO as "not modifiable". to change it, you should to to Window/Preferences/ Maven / User Settings...
View ArticleCool ReactJS introduction
The guy on the right is really good - however I was surprised, the need for separation between Model and View has been evident for half a century, it should not be matter of a dissertation. Code is...
View ArticleGreat Spring basic introduction (part 1)
part 1 part 2part 3part 4code for part 4 is here https://github.com/vernetto/JavaMonAmour/tree/master/SpringDemopart 5part 6part 7 part 8 part 9
View Articlemake logger.debug() obsolete
IMHO logging is the weakest point in application development, the Cinderella of IT. Most people don't log enough information to enable effective troubleshooting, the context is lost, changing logging...
View ArticleGreat Spring basic introduction part 2
part 10 part 11 part 12 part 13 part 14 part 15 part 16 part 17 part 18 part 19 part 20 part 21 part 22 part 23 part 24
View ArticleJDB is your friend
We had recently an issue with an XML parser failing to parse a temporary file that was immediately deleted after. How to stop execution before the file gets deleted? I am using jdb...
View ArticleChrome NET::ERR_CERT_REVOKED for a revoked certificate
connecting Chrome to a local development WebLogic that was using a WebServer certificate that was revoked in the CRL list, I got this message: Your connection is not private Attackers might be trying...
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