About Tomcat

forum_thread

Connections pool

Hi! Does ObjectDB keeps and reuses a pool of connections as MySQL JDBC driver does?   ... driver does? I mean when it's used in a container like Tomcat, Glassfish, JBoss etc. Thank you. ...

 
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About ObjectDB Database

ObjectDB is a powerful object oriented database management system (ODBMS). It is compact, reliable, easy to use and extremely fast. ... of any type and size. Tested with Tomcat, Jetty, GlassFish, JBoss and Spring. See the  ...

 
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Embedded server feature

Is it safe to use this wonderful and undocumented feature in production, and rely on its problem-free functioning? For my case it would be really beneficial: 1 physical server with SSD 1 JVM running on it 2 web applications on Tomcat 1 ObjectDB Server deployed, in embedded server mode 2 ObjectDB databases for those 2 webapps, both would use the server in embedded mode for stellar performance ... 1 JVM running on it 2 web applications on Tomcat 1 ObjectDB Server deployed, in embedded server mode 2 ...

 
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Is 2 level cache in use?

Hi, Is there any way to check, if 2 level cache is in use? Right now I've done two things: 1. objectdb.conf with cache size is placed in WEB-INF directory of my web application. 2. persistence.xml was modified with: ... benchmark, so most of the data should be in cache. ODB and Tomcat are on different servers. ...

 
tutorial

Spring MVC and JPA Tutorial

Step by step tutorial that demonstrates how to build a Spring MVC Java web application (with Servlet, JSP and a DAO Bean) using JPA.... Spring MVC (Model View Controller) web application using Tomcat (or GlassFish), JPA, ObjectDB and Maven. The demo web ...

 
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Set timeout for BatchQueryItr

Hello Support, For an unknow reason, some of my object query never finish ( deadlock maybe ).  My tomcat temp directory is full of "BatchQueryItr" files. I can't found the origin of the issue but i wonder if it's possible to put a timeout for too long query. Regards, Xirt ... query never finish ( deadlock maybe ).  My tomcat temp directory is full of "BatchQueryItr" files. I can't ...

 
issue

Embedded Database Replication

As we all know, embedded databases out perform server databases on every occasion. The problem with embedded databases is that theyre difficult to scale. If I were to create an entire enterprise web application within a single jar file using embedded tomcat and embedded objectdb I would run into problems trying to cluster the data. It would be really useful if some kind of new external replicator application was created that can be used by server administrators to ensure replication is optimal and healthy. ... web application within a single jar file using embedded tomcat and embedded objectdb I would run into problems trying to cluster the ...

 
tutorial

Eclipse/JPA Spring MVC Web Tutorial

Step by step tutorial that demonstrates how to build a Spring MVC Java web application (with Servlet, JSP and a DAO Bean) in Eclipse using JPA.... web application in Eclipse - using ObjectDB, JPA, Tomcat (or GlassFish) and Maven. The demo web application manages a ...

 
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TemporalType injection with Calendar using JPA

I have ObjectDB  JPA  comsummed by a RESTful web service deployed on Tomcat. I am using an embedded object as a primary key, which has time fields which I have annotated with TemporalType.TIMESTAMP When I use a java.util.Date as a field on this object there is no problem. However, if I use a java.util.Calendar it encounters an exception.   Calendar is what I need.  Is there something obvious here that I am failing to see?   ...  comsummed by a RESTful web service deployed on Tomcat. I am using an embedded object as a primary key, which has time ... org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at ...

 
forum_thread

Many connections possible? and will it makes problem in future?

Hello , we are currently making new instant messenger but we were planing to use some security addons and privileges on access some of the fields on java side.   My questions is about : 1-) Can objectdb server handle 200.000+ connections at the same time concurrently ? Does it have queue and cache ? 2-) Can we give privileges to users , for example some users can only read some fields and some just can write java fields. Some users only allowed insert ability. ... by the application server or web server (GlassFish, JBoss, Tomcat) or by dedicated load balancing tools. ObjectDB doesn't ...