Archive for the ‘long tweets’ Category
Oracle XDB port runs by default on port 8080… which is quite an issue for Java web developpers, because of the collision with default port used by servlet engines such as Tomcat and Jetty.
To display Oracle XDB port, run:
select DBMS_XDB.GETHTTPPORT from dual;
To change it (for instance to set it on port 9090), run
On deploying a JSF 2.2 / Primefaces 5 application on Jetty 9, I got the following error:
java.lang.IllegalStateException: Could not find backup for factory javax.faces.context.FacesContextFactory.
The issue seems linked to Jetty, since I could not reproduce the issue on Tomcat 8.
web.xml, add the following block:
<listener> <listener-class>com.sun.faces.config.ConfigureListener</listener-class> </listener>
(long tweet) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ‘type=InnoDB’ at line 1
org.hibernate.tool.hbm2ddl.SchemaExport - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'type=InnoDB' at line 1
In JPA configuration, replace:
datasource.dialect = org.hibernate.dialect.MySQLInnoDBDialect
datasource.dialect = org.hibernate.dialect.MySQL5InnoDBDialect
Actually, Java driver for MySQL 5.5+ is not backward compatible with the SQL dialect
How to run a MS-DOS command terminal with administrator priviledges, in Windows 7?
Let’s say you need execute
cmd with the account
runas /user:admin cmd.
Windows will ask you to enter the admin password and then will open a
CMD prompt in admin mode.
On launching Glassfish 4 under Windows, I got the following error:
asadmin.bat start-domain Exception in thread "main" java.lang.UnsupportedClassVersionError: org/glassfish/admin/cli/AsadminMain : Unsupported major.minor version 51.0
Glassfish 4 is JEE6-compatible, therefore run Glassfish 4 with JRE 7 instead of JRE 6.
As a reminder, here is the list of majors/minor versions:
J2SE 8 = 52, J2SE 7 = 51, J2SE 6.0 = 50, J2SE 5.0 = 49, JDK 1.4 = 48, JDK 1.3 = 47, JDK 1.2 = 46, JDK 1.1 = 45