Remote JMS Client with Security in JBoss EAP 6
BackgroundWe want to write a remote JMS client for the following MDB. And we are using JBoss EAP 6 standalone-full.xml, i.e. we are using the built in HornetQ in JBoss.package...
View ArticleHow to use DataSource in Tomcat 8
IntroductionThis works for Tomcat 7, 8 and 9, but here I will use Tomcat 8.InstallationCopy wanted jdbc driver to $TOMCAT_HOME/lib.$ cp ~/.m2/repository/com/h2database/h2/1.4.185/h2-1.4.185.jar...
View ArticleTomcat JavaBean Resources Factory
Introduction This works for Tomcat 7, 8 and 9, but here I will use Tomcat 8. PurposeTomcat have DI (Dependency Injection), much the same found in Spring and Java EE, which can be used for mocking or a...
View ArticleHow to handle Configuration in Tomcat with Context
BackgroundIn Tomcat there seems no way to handle war deployment with version number in file name."When autoDeploy or deployOnStartup operations are performed by a Host, the name and context path of the...
View ArticleTomcat Standard Security Realms
Tomcat comes out of the box with the following security realms, i.e. modules that does Authentication and Authorization.NameCIS Tomcat 8 Benchmark Note *JDBCRealmNOT for ProductionDataSourceRealm...
View ArticleConfigure Java KeyStore and TrustStore
KeyStorejavax.net.ssl.keyStorejavax.net.ssl.keyStorePasswordjavax.net.ssl.keyStoreTypeTypical [JKS|PKCS12]And how to use it.$ java -Djavax.net.ssl.keyStore=/path/to/file...
View ArticleHow to RPM Install JBoss EAP 7 on RHEL 7
First you need to add JBoss EAP 7 subscription. To do that you need the pool id for your subscription. To find that out list all available subscription and then look for JBoss subscription.#...
View ArticleHow to Generate Elliptic Curve Keys in Java 8
// Supported Providers in Java 8for (Provider provider : Security.getProviders()) { System.out.println("Provider : " + provider);}// Supported Algorithm in Java: "DiffieHellman", "DSA", "RSA" and...
View ArticleNamingException in RPM Installed Tomcat 7 in RHEL 7 and CentoIOS 7
If you are using datasource in rpm installed tomcat 7 on RHEL 7 and CentOS and do not specify factory, you will get a NamingException. For details see...
View ArticleRoadmap Apache ActiveMQ, HornetQ and Apache ActiveMQ Artemis
HornetQ was the built in Message Broker in JBoss EAP 6.Red Hat bought FuseSource in 2012, the company behind ActiveMQ commercial support, and rebranded the product JBoss A-MQ server. This left Red Hat...
View ArticleHow to Install Spotify on Ubuntu 16.04
Please see https://www.spotify.com/se/download/linux/
View ArticleJSF 2.0 Facelets Tag Libraries
Tag Library"JSP technology is considered to be a deprecated presentation technology for JavaServer Faces. Facelets is a part of the JavaServer Faces specification and also the preferred presentation...
View ArticleGetting Started with JSF 2.0 (EE 6)
IntroductionJSF 2.0 is the standard Web Framework that ships with Java EE 6. Here I will build a simple JSF web app to get you started with the build stones.MavenWith starting with Java EE 6, there is...
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Postback Lifecycle in JSF 2.0 (EE 6)
"The request-response lifecycle handles two kinds of requests: initial requests and postbacks. An initial request occurs when a user makes a request for a page for the first time. A postback request...
View ArticleHow to RPM Install JBoss EAP 7 on RHEL 7
We will start fresh with a unregistered RHEL 7, so we first register the machine and their enter our username and password.# subscription-manager register...After that we are ready to add EAP7...
View ArticleConfigure mod_proxy on RHEL 7 for JBoss EAP 7
In my previous blog I described how to RPM install JBoss EAP 7 on RHEL 7.Here I will describe how to configure Apache mod_proxy as a Non-load-balancing Proxy.First install Apache 2.4 and mod_ssl.# yum...
View ArticleInstall MariaDB (MySQL Open Source) on RHEL 7 and JBoss EAP 7 DataSource
First what is MariaDB? "MariaDB is a community-developed fork of the MySQL relational database management system intended to remain free under the GNU GPL. Development is led by some of the original...
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Decompile and Analyze Java JAR Dependency
Sometime you need to decompile Java or entire JAR files, then JD-GUI is a good tool. And if you need to find dependencies between JAR files Class Dependency Analyzer (CDA) is a good tool. Please see...
View ArticleWhat is a signed jar file?
First a jar file is a zip file. When signing a jar file, a signature is created for each class in the jar file and added to the jar file in the below files....
View ArticleThe Main Goals of IT Security
The main goals of IT security are, CIA:ConfidentialityIntegrityAvailabilityConfidentiality - Prevent unauthorized disclosure. This must be enforced when data is in rest (data encrypted and not readable...
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