SPARQL query
Hello, i have a few quetions. First i have this prefix in the query String queryRequest = "PREFIX base: <"+namespace+"> " + "PREFIX rdf:<http://www.w3.org/1999/02/22-rdf-syntax-ns#> \n" +...
View ArticleEventNotifierSupport in all contexts
Hi, I'm trying to develop an auditor for every context that exist in Jboss Fuse. I read this post http://java.dzone.com/articles/measure-elapsed-time-cameland this is the best approach to my solution....
View ArticleZookeeper: Testing Questions
Hi all, I am trying to do some tests to see how long it takes for Zookeeper to write various sizes of data on each znode. I am using PHP-API from https://github.com/andreiz/php-zookeeper. I have 2...
View ArticlegetCounters Exception in ALS jobs
Hi mahout. Im getting an exception when the ALS Factorization job attempts to get Counter information. Im running in a linux container. anyone else run into this ? maybe a simple fix to it. at...
View ArticleEnableJournalDiskSyncs slow on SAN - safe to disable?
We are running an ActiveMQ production environment, a Windows 2008 Server running on a VMWare ESX host, stored on an EMC SAN. For all other purposes this system is quick and responsive, but the KahaDB...
View Articleany good tool to convert blueprint DSL to spring DSL
Dear all, I need to convert my camel bundle from blueprint DSL to spring DSL is there any good tool to do that? or from blueprint DSL to JAVA DSL is also ok any hints will be more than welcome!
View ArticleStress testing zookeeper
Hi, I am planning to learn more about Zookeeper as part of a distributed systems course in grad school. I was wondering if there are any good stress tests or performance benchmarks that are used for...
View ArticleExtending Border
Ive got a class 'A' that extends Border, with the following markup: <wicket:border> <div> <h1><span wicket:id="header"></span><span...
View ArticleHow to merge Windows and Mac SDKs
Our team has both Win and Mac developers, so the SDK needs to support both setups. I'm very curious how other teams do it, and if there is a suggested way to merge the SDKs. Until now we simply...
View ArticleApache Camel 2.13.1 released
The Camel community announces the immediate availability of the new major release Camel 2.13.0. This release contains a total of 480 fixes applied in the past 6 months by the community on the Camel...
View ArticleHow To Use kafka-topics.sh To Move Replica To Different Broker
Hi Guys, I’m using Kafka 0.8.1, and I’m having difficulty trying to move a replica from one broker to another. Doing a "kafka-topics.sh —describe | grep mini__078____active_80__32__mini" shows:...
View Articlezoomable image component
Hi, I'm looking for an zoomable image component to use in my flex mobile application. Any idea? Thanks. Gabri
View ArticlePageParameters are not extracted correctly from an Encoded URL
Hi, I have a shared resource, DynamicImageResource, to serve images from the database given some parameters. The URL looks like this (coming from tinymce where it encodes the ampersand):...
View ArticleActiveMQ logs warning for purged queue, messages are not really purged but...
Hi, [ActiveMQ 5.8 + LevelDB] I've not been able to constantly reproduce this, but we have seen the following warning different times in the log: 2014-03-27 15:10:37,673 | WARN | 104 -...
View ArticleFinding out how underreplicated a broker is
In the output of kafka-topics.sh -describe, it gives the ISR. What I want to find out is why a particular broker is not in ISR, how far behind it is, and when it will get back into the ISR. I can't...
View ArticleWicket AJAX & Google Chrome: Strange DOMException in Wicket.Ajax.Request.doGet
Hi, I'm stumped by an error (DOMException #19, "A network error occurred") that seems to have started with Chrome version >=31. In our Wicket 1.5.11 application I have some Javascript that issues an...
View ArticleWeird behaviour of Kafka consumer/mirrormaker at different DCs
Hi , I have been setting up 2 clusters of Kafka located across DCs , one in Asia and another one in Europe. All of them are running on EC2 m1.xlarge machines. Our goal is to replicate data from Asia...
View Articlemail.pop3.xxx property issue
Hi Camel Users, I recently expierenced a networktimeout in JavaMail when using camel-mail 2.10.3. I realize this is an outdated version, so maybe this isn't an issue anymore. Anyway, I was wondering if...
View ArticleShading all modules in a project
Hello, Over in Apache HBase, we have an interesting problem that I'm hoping the shade plugin can help us solve. It all started with a performance enhancement to reduce garbage by creating a subclass of...
View ArticleCamel Scripting questions - may some of you can help
I am trying to user camel scripting for both a completion predicate, as well as setting some header info I need for posterior use. Added to the POM the following: ...2.13.0 ... org.apache.camel...
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