I found no way to remove the Server header in EAP6. But there is a way to change its content. Just add the folling config to your standalone.xml: <system-properties> <property name=”org.apache.coyote.http11.Http11Protocol.SERVER” value=”foo”/> </system-properties> Or with cli: /system-property=org.apache.coyote.http11.Http11Protocol.SERVER:add(value=foo) Then your header just is Server: foo instead.
Change SERVER header in EAP6 Read More »
First you have to disable it in standalone.xml by adding jsp-configuration x-powered-by=”false”. Here the relevant part of my config: <subsystem xmlns=”urn:jboss:domain:web:1.5″ default-virtual-server=”default-host” native=”false”> <connector name=”http” protocol=”HTTP/1.1″ scheme=”http” socket-binding=”http”/> <virtual-server name=”default-host” enable-welcome-root=”false”> <alias name=”localhost”/> </virtual-server> <configuration> <jsp-configuration x-powered-by=”false”/> </configuration> </subsystem> Or with cli: /subsystem=web/configuration=jsp-configuration:write-attribute(name=x-powered-by,value=false) In a JSF application you have to add the following context param: <context-param>
Remove X_POWERED_BY Header in JBoss EAP6 Read More »
To install java and have it updated automatically just use the WebUpd8 PPA. sudo apt-add-repository ppa:webupd8team/java sudo apt-get update sudo apt-get install oracle-java8-installer After that you have java 8 installed and it is updated regularly.
Ubuntu java installation/automatic updates Read More »
On some remote machines my SSH connections hangs if they idle for a while. To get around that you can add a flag to send a keepalive signal reularly. Just open your ~/.ssh/config and add the following for the host that hangs: Host example.com ServerAliveInterval 60 Or to enable it for all hosts: Host *
SSH timeouts on idle connections Read More »
If you have enough RAM you can use it to store temporary file. To mount /tmp as a ramdisk add the follwing line to your /etc/fstab: none /tmp tmpfs defaults 0 0 Of course you have to edit the file as root. After that reboot or mount it manually. I used the following line: sudo rm
Mount /tmp as ramdisk Read More »
After every installation of Ubuntu I try to get the GNOME 2 behavior back. This is very annoying and costs lot of time and research. Last months I tried xubuntu and xfce4. Both are very annoying and no real solutions for a productive desktop solution. I haven’t used KDE for years because I always preferred
KDE – the better desktop Read More »
I often catch myself writing info-messages because jboss is configured to info-mode by default. By adding the following few lines you can make your application use debug mode: <subsystem xmlns=”urn:jboss:domain:logging:2.0″> … <!– add begin –> <console-handler name=”DEBUGCONSOLE”> <level name=”DEBUG” /> <formatter> <pattern-formatter pattern=”%d{HH:mm:ss,SSS} %-5p [%c] (%F:%L) %s%E%n” /> </formatter> </console-handler> <logger category=”pm.mbo” use-parent-handlers=”false”> <level name=”DEBUG”
Make your webapplication log debug messages under jboss Read More »
To bootstrap javax.validation.Validator you can simply use the following code: final ValidatorFactory factory = Validation.buildDefaultValidatorFactory(); final Validator validator = factory.getValidator(); For further information documentation see for version 5.1 http://docs.jboss.org/hibernate/validator/5.1/reference/en-US/html/chapter-bootstrapping.html#section-retrieving-validator-factory-validator for version 4.3 http://docs.jboss.org/hibernate/validator/4.3/reference/en-US/html/validator-bootstrapping.html#section-validator-instance
Create instance of javax.validation.Validator manually Read More »
To add “nothing selected” to a dynamic h:selectOneMenu you can use the noSelectionOption=”true” attribute like this: <h:selectOneMenu value=”#{myBean.someItem}”> <f:selectItem itemLabel=”—” noSelectionOption=”true” /> <f:selectItems value={myBean.items}” /> </h:selectOneMenu>
JSF SelectOneMenu with Nothing Selected Read More »
When you write a producer for FacesContext like this @Produces public FacesContext produce() { return FacesContext.getCurrentInstance(); } do not forget to specify a scope! Otherwise you will get an Exception when accessing the object when it is injected in a session scoped bean. So the correct version looks like this: @Produces @RequestScoped public FacesContext produce()
Injectable FacesContext Read More »