Activemq webconsole for multiple brocker
Hi, Is it possible to monitor multiple brockers from single webconsole. I am not running brockes in master/slave mode. If no is there any other soletion that I can use? thanks, chirag
View ArticlePooledConnectionFactory with JmsTemplate issue
I'm getting the following exception using PoolableConnectionFactory with JmsTemplate: Caused by: javax.jms.JMSException: Cannot send message to...
View ArticleActiveMQ MessageListener can't differentiate between command and text message
Hi, I have started to migrate from activemq 5.6 single broker to activemq 5.8 network of brokers. The new solution has one broker pumping data to a distributed queue that resides on another broker...
View Articleat-least-once guarantee?
I wonder why at-least-once guarantee is easier to maintain than exactly-once (in that the latter requires 2PC while the former does not , according to...
View ArticleCreating then starting a JMS consumer around another component
We are interested in Camel but have a specific startup sequence that we need to follow: 1) Open a JMS topic consumer for our updates, but, do not get any of the messages. 2) Query our database and...
View ArticleMTOM Attachment Internals
Hi, I am trying to use a CXF handling of attachments and I have a simple web application and in the servlet I create a Message object as listed below (method loadMessage) in which I use...
View ArticleCL- and VL- in kmeans clusterdump output
Hello, I am using kmeans to cluster twitter data (usernames/tweets). Some of my clusters are labelled VL-xxxxxx and some of them are labelled CL-xxxxxx. I understand clusters that are labelled...
View Articlecamel-rabbitmq producer is not including the body
Trying to consume from rabbitmq using the camel-rabbitmq component and the problem is the body of the message is not being passed down the line. Debugging and looking at the source, I see that in...
View ArticleConverting from binary encoding to JSON encoding
I have a file that uses the Avro binary encoding, and I want to re-write it using the JSON encoding in a way that respects the schema in the binary file. I can read in a record from the binary file and...
View ArticleQuestion about ZooKeeper APIs
Hi all, I can see ZooKeeper APIs are available in Camel. Is there any good examples for the ZooKeeper APIs? thanks Lei
View ArticleSJMS component and IBM WebsphereMQ class cast error
Hi, I'm trying to use the sjms component with IBM MQ and I have an exception when using an InOut exchange patter over topics. The SjmsComponent is created using a MQConnectionFactory class. The error...
View ArticleCan't find the BindingOperationInfo with operation name
Hello, I'm trying to access a remote web service, and getting stuck at the point where I get a BindingOperationInfo error:
View ArticleBest practices for handling dependencies in Java UDFs?
I'm building a system for processing large RDF data sets with Hadoop. https://github.com/paulhoule/infovore/wiki The first stages are written in Java and perform the function of normalizing, validating...
View ArticleMapreduce for beginner
Hi, I start learning about mapreduce with Hadoop by wordcount example. I am a bit confused about the frontier between the map and reduce program. Is there a standard format for the map output and the...
View ArticleIs there a way to set a proxy using camel-rss component?
Hi, I am using a camel-rss based route to poll from a rss... This works very well on my local bus, but does not work on another one that is behind a proxy. When I encountered such a problem with...
View Articlequartz scheduler overrider? : failed to resolve endpoint
Hi, I am using a series of quartz-based routes, and used them with success on my Fuse Esb bus (camel version : 2.10.0.fuse-71-047). I then installed the same bundle on another bus, of the same...
View ArticleCodec and Headers
I have a question regarding Custom Codecs and Headers. I have a message format that is is a 28 byte header followed by XML. I am using the MINA2 component to receive the data and implemented a custom...
View Articlefield name reference - alias
Hello, Can one refer to a field name with no ambiguity by its full name (A::x instead of x)? Below are two contradictory behaviors: *First example:* A = load '1.txt' using PigStorage(' ') as (x:int,...
View ArticleI think an example in the docs is wrong
I recently wrote a load function and to get started I cut-n-pasted from the SimpleTextLoader example on the page http://pig.apache.org/docs/r0.11.1/udf.html#load-store-functions This contains the...
View Articleconditional plugin execution
I am skipping clean phase in CI loop, I want it to execute clean once a day existing option: 1. fork clean plugin and modify code to take timespan as conf input and clean if its building during that...
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