Use your logging facility. HA-JDBC generates an ERROR level log message when it automatically deactivates a database. If you use Log4J, configure an SMTP appender for the "net.sf.hajdbc" logger. The database element may contain any number of property elements. HA-JDBC will pass these properties through to the Driver.connect(String url, Properties info) method of the underlying JDBC driver. e.g. <cluster id="..." balancer="..." default-sync="..."> <database id="..

Several session replication methods are described in an article posted to TheServerSide.com. Figure 7 illustrates the database persistence approach. When describing the disadvantages of this approach, the article fails to mention that the session database is a single point of failure in this design. HTTP sessions will survive the failure of an application server node, but failure of the session database spells doom for the application. See similar questions...

If the Credit Union Administrator calls and requests that we deactivate a student, we will change their 'ACTIVE' status to 'INACTIVE' blocking them from entering the system; however, we do not delete any statistical information. This activity cannot take place without a telephone call or e-mail to CPDOnline@cuna.coop. With the implementation of CUNA CPD, leagues are now able to view these reports online. Go to the Reports menu and select Global Transcript Report. See similar questions...

Yes, but first you will need to upgrade the JMX implementation used by Tomcat (found in $CATALINA_HOME/bin/jmx.jar). Tomcat 5.0 ships with MX4J 1.1.1 which only implements JMX 1.1. Because HA-JDBC requires JMX 1.2, you will need to upgrade this file to MX4J 2.0 or greater. HA-JDBC uses the Java preferences API to persist the local database cluster state. The default storage mechanism varies depending on your operating system. See similar questions...

Both HA-JDBC and Sequoia attempt to solve the same problem (i.e. eliminating the database as a single point of failure), but have different approaches. Sequoia's JDBC driver delegates query execution to a remote controller process. Controller then delegates queries to the underlying JDBC driver. Controller introduces new single point-of-failure. Workaround is to set up a failover controller process. Details here. See similar questions...

The JDBC adaptor was designed to allow use with any JDBC driver (hence any database that has a JDBC driver). However, the adaptor has to be certified with the JDBC driver as there can be some minor differences between drivers especially when it comes to the SQL they support and the metadata information they provide. We have certified the adaptor for Oracle, Sybase, JDataStore, MS SQLServer, Interbase and DB2 UDB. See similar questions...

The datasource element may contain any number of property elements. HA-JDBC will pass these properties into the InitialContext(Hashtable env) constructor. e.g. <cluster id="..." balancer="..." default-sync="..."> <datasource id="..."> <name>jdbc/database</name> <property name="java.naming.factory.initial">org.jnp.interfaces.NamingContextFactory</property> <property name="java.naming.factory.url.pkgs">org.jboss.naming:org.jnp. See similar questions...

The native driver and a version of the Toolbox for Java, which includes the type 4 driver, comes with OS/400. One can also purchase or get an evaluation... See similar questions...

HAs are selected each year from a field of applicants. To learn more about the HA position, visit the HA webpages. See similar questions...

Before making access to Db2 via JDBC, you MUST register the database using Client Configuration Assitant. The <database_name> should be the alias you specify when you register with Client Configuration Assitant. Since the database has been registered, you don't have to specify host name and port number for the vbroker.naming.url. See similar questions...

You should start InterServer before accessing InterBase via JDBC. If the InterBase server resides on the local host, specify server as localhost; otherwise specify it as the host name. If the InterBase database resides on NT, specify the full_db_path as Driver:\\dir1\dir2\\db.gdb (the first backslash '\' is to escape the second baskslash '\'). If the InterBase database resides on Unix, specify the full_db_path as \dir1\dir2\db.gdb. You can get more information from www.interbase.com See similar questions...

The following settings in the configuration file should be modifed as follows (we assume you use jdbc driver from weblogic): See similar questions...

If the JDataStore database resides on NT, the <full path of the JDataStore database> should be Driver:\\dir1\\dir2\\db.jds (the first backslash '\' is to escape the second backslash '\'). If the JDataStore database resides on UNIX, the <full path of the JDataStore database> should be /dir1/dir2/db.jds See similar questions...

From: libes (Don Libes) To: pkinz@cougar.tandem.com (kinzelman_paul) Subject: the cover? kinzelman paul writes: >The book finally came in. I tried to buy 4 copies but they had only 2 >left and they came in last Saturday. Move over Stephen King! :-) copies!? Wow. That's more than my mother bought! >I was discussing your book with somebody who stopped in and we began >to speculate about the monkey on the cover. See similar questions...

You configure each section (numbered 1-10) by pointing DSpy to the proper directory on your network. By putting a shortcut to DSpy in your startup folder, it will start with your TSC client during every boot/login and automatically start tracking your TSC progress. See similar questions...

JDBC (Java DataBase Connectivity) technology is an API that provides cross-database connectivity to a wide range of SQL databases and access to other tabular data sources, such as spreadsheets or flat files. With a JDBC technology-enabled driver, you can connect all corporate data even in a heterogeneous environment. Today all major databases provide JDBC drivers for access. See similar questions...

This section has been set up in response to a request for information about such utilities, freeware, shareware and expensiveware as TOAD, SQL*XL, Patrol, Spotlight, etc. The pages referenced will follow a standard format, allowing users to make their personal comments about the good, bad, or indifferent points about such tools. No anonymous postings will be accepted. See similar questions...

The JDBC is used whenever a Java application should communicate with a relational database for which a JDBC driver exists. JDBC is part of the Java platform standard; all visible classes and interfaces used in the JDBC are placed in package Java DriverManager. Manages a list of database drivers. Matches connection requests from the java application with the proper database driver using communication subprotocol. See similar questions...

Provided the JAR file containing the driver is properly configured, just place the JAR file in the classpath. That's it. No need to manually load the class... For loading and registering a driver you should use Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"), but I have used JdbcOdbcDriver j=new JdbcOdbcDriver() and I still get a connection. Why is this so?... Using Class.forName will create and initialize an instance of the class you pass in as a paramter. So using Class. See similar questions...

The HA in Synthovial 7? acts to help improve joint movement and cushioning. If we compare the joints of the human body to and automobile engine, the joint fluid in the body mimics the oil in a car engine. At regular intervals we replace the oil in our car engines because the heat and friction breakdown the oils viscosity. The oil becomes thinner and less able to protect the metal surfaces from excessive wear. Synthovial 7? acts the same way in our joints. See similar questions...