I got the following warning on startup of EAP 6.4.2: WARN [org.jboss.as.txn] (ServerService Thread Pool — 46) JBAS010153: Node identifier property is set to the default value. Please make sure it is unique. To get rid of this you have to add a node-identifier attribute in the transactions subsystem. Here is my actual config after […]
JBAS010153: Node identifier property is set to the default value Read More »
In openSUSE 13.2 JAVA_HOME is set to default OpenJDK JRE. This can be changed in the file /etc/profile.d/alljava.sh. Just place your jdk-installation directory in front of the listed directories in the first for loop.
JAVA_HOME in openSUSE 13.2 Read More »
“true or false. Setting which indicates whether or not the new IdentifierGenerator implementations are used for AUTO, TABLE and SEQUENCE. Default to false to keep backward compatibility. Note We recommend all new projects to use hibernate.id.new_generator_mappings=true as the new generators are more efficient and closer to the JPA 2 specification semantic. However they are not
hibernate.id.new_generator_mappings Read More »
Java SE 7u79/80 Auto-update Notice & End of Public Updates for Oracle JDK 7 Coincident with the January 2015 CPU release users with the auto-update feature enabled will be migrated from Oracle JRE 7 to Oracle JRE 8. Also, please note this release will be the last Oracle JDK 7 publicly available update. For more
Java 7 goes “end of public updates” Read More »
see http://www.oracle.com/technetwork/java/javase/downloads/index.html
java version “1.8.0_45” released Read More »
Sometimes it is necessary to see which queries are executed and what the parameters of these queries have been. To get this data from a JBoss 7+ you have to follow these steps: Enable JDBC-Spy on Datasource: /subsystem=datasources/data-source=ExampleDS/:write-attribute(name=spy,value=true) Or just add spy=”true” as attribute in standalone.xml. Then you have to enable the spy by adding a
JBoss show JDBC Queries Read More »
After installing CentOS 7 with German locale the keymap still was set to us. To change it to de I had to edit the file /etc/default/grub and replace us with de after vconsole.keymap=: GRUB_CMDLINE_LINUX=”… vconsole.keymap=de …” After that execute the following command to update grub and reboot: grub2-mkconfig -o /boot/grub2/grub.cfg Of course you have to take these steps
Change CentOS 7 keymap Read More »
To disable the guest account simply change the file /usr/share/lightdm/lightdm.conf.d/50-guest-wrapper.conf and add the last line: [SeatDefaults] guest-wrapper=/usr/lib/lightdm/lightdm-guest-session allow-guest=false Don’t forget that you have to restart lightdm before changes take effect.
Disable guest account in ubuntu 14.10 Read More »
To get something like sudo add-apt-repository ppa:webupd8team/java work behind a proxy I had to add http_proxy and https_proxy into my /etc/environment file. Don’t forget to source the file or to relogin after changes in it. With theses entries I had to use sudo -E add-apt-repository ppa:webupd8team/java telling sudo to preserve existing env variables. Now it’s working for
gpg behind proxy results in gpgkeys: HTTP fetch error 7: couldn’t connect to host Read More »
Copying data with dd can take a very long time and the process could seem to be frozen. To see status messages from dd you can use the following command: pkill -USR1 -n -x dd This will output something like below in the original terminal where dd is running: 559+0 records in 559+0 records out
Status messages for dd Read More »