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CDI in Java SE 8
In Eclipse (pueah, I know, IntelliJ is much better) create a simple Java project, give it the Maven feature, and create this structure:Add this...
View ArticleH2 Database Tutorial
presentation here (English is iffy but content is good until half way, the rest forget it)Download it from here http://www.h2database.com/html/download.htmlgo to d:\apps\H2\bin and run h2.batthis will...
View ArticleApache Commons ContextedException
https://commons.apache.org/proper/commons-lang/apidocs/org/apache/commons/lang3/exception/ContextedException.htmlDevelopers often forget to attach context information to their exceptions. So one gets...
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Keycloak, cookies and principal
When you access a secured webapp, the first cookie to be created is a JSESSIONID /pvkeycloakdemo is my webapp root contextWhen you access a protected resource, you get redirected to keycloak...
View ArticleConEmu, better than Console2
If you are completely disgusted with Windows terminal (cmd, powershell, gitbash, far) consoles each running in a different window - and wasting hours having to identify the one you need - then you...
View ArticleWildfly 11 final: add-user miserably fails when run in git bash (and maybe...
$ ./add-user.sh Exception in thread "main" java.lang.IllegalStateException: WFLYDM0021: No java.io.Console available to interact with user.at...
View ArticleMagic: convert CentOS 7 to Oracle Linux
I found this post https://www.digitalocean.com/community/questions/how-can-i-install-oracle-11gcurl -O https://linux.oracle.com/switch/centos2ol.sh chmod 777 centos2ol.shsudo sh -c ./centos2ol.shsudo...
View ArticlePublic fields in CDI
in CDI one can't have a PUBLIC attribute in a RequestScoped variable:@Named@RequestScopedpublic class EventViewBean implements Serializable { @Produces public List<Meal> meals; public void...
View ArticleAdam Bien The Great airhacks links
Listening to Adam Bien SEMINAL videos, I will write down some links:http://www.adam-bien.com/roller/abien/entry/the_4th_airhacks_io_questionhttp://openjpa.apache.org/jest-usage.html maps JPA to REST...
View ArticleMariaDB on CentOS 7
With Dockerhttps://hub.docker.com/_/mariadb/docker pull mariadbdocker run --name some-mariadb -e MYSQL_ROOT_PASSWORD=my-secret-pw -d mariadb:tagport is 3306container linking : docker run --name...
View ArticleDecrypting HTTPS traffic with Fiddler
A great feature provided by Fiddler (running only on Windows, though), and not available in Wireshark OOTB, is the ability to capture and DECRYPT HTTPS...
View ArticleNot using SSL to connect to Maven? dilettante (=amateur) !
https://max.computer/blog/how-to-take-over-the-computer-of-any-java-or-clojure-or-scala-developer/If you want to play a trick on your friends, you can use Dilettante to man-in-the-middle a Maven...
View ArticlePGP verification of Maven artifacts
I run the following commands:git clone https://github.com/gabrielf/maven-samplescd maven-samplesmvn com.github.s4u.plugins:pgpverify-maven-plugin:checkand I get this interesting results:Downloading:...
View Articleset -euf -o pipefail
https://sipb.mit.edu/doc/safe-shell/nice to read about shell scripting. DON'T USE SHELL, USE PYTHON INSTEAD.As mentioned in the article, you can use https://docs.python.org/2/library/subprocess.html or...
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Remote debug Wildfly with Eclipse
./standalone.bat --debugThis generates JAVA_OPTS: "-Dprogram.name=standalone.bat -Xms64M -Xmx512M -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m -Djava.net.preferIPv4Stack=true...
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JSF crash course
Home page http://www.oracle.com/technetwork/java/javaee/javaserverfaces-139869.html , particularly this introduction https://docs.oracle.com/javaee/5/tutorial/doc/bnaph.htmlDecent introduction...
View ArticleFirefox 57 and Tree Style Tabs BROKEN
It's amazing how much damage the new version of Firefox is inflicting to the user community.If you are a Tree Style Tab user and HATE seeing the tabs being displayed on top and left at same...
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JPA, Hibernate, Dali and the Metamodel
When building Query criterias, you want to avoid using the String "email" to identify an Entity field... the day you change the field "email" into "mailaddress", your code still compiles but breaks in...
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eclipse Deploy projects as compressed archives
After the N-th time I got the errorError renaming BLAThis may be caused by your server's temporary deploy directory being on a different filesystem than the final destinationsee this SO post...
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Injecting Logger
According to https://docs.jboss.org/weld/reference/2.4.0.CR1/en-US/html/injection.html :import org.slf4j.Logger;@Named@SessionScopedpublic class CaloriesController implements Serializable { @Inject...
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