Tag: Java

Part 2: Nevado JMS, Ehcache JMS WAN replication and AWS

Posted on by bitsofinfo

This post is a followup to what is now part one, of my research into using Ehcache, JMS, Nevado, AWS, SNS and SQS to permit cache events to be replicated across different data-centers. @see https://github.com/bitsofinfo/ehcache-jms-wan-replicator In my first post I was able to successfully get Ehcache's JMS Replication to function using Nevado JMS as the provider after patching the … Continue reading Part 2: Nevado JMS, Ehcache JMS WAN replication and AWS →

Ehcache replicated caching with JMS, AWS, SQS, SNS & Nevado

Posted on by bitsofinfo

Read part 2 of this research here Recently I've been researching ways to GSLB a very large app that relies on Ehcache for numerous things internally such as; cached page output, cached lists etc etc. Anyone who has experience getting large scale applications to function active-N in a GSLB'd setup knows the challenges such topologies present. … Continue reading Ehcache replicated caching with JMS, AWS, SQS, SNS & Nevado →

Deserializing Modsecurity Audit logs with Apache Flume

Posted on by bitsofinfo

This post will be updated in the coming days/weeks, however when looking at using Apache Flume to ingest some ModSecurity Audit logs, it quickly became apparent that Flume's SpoolingDirectorySource lacked the ability to de-serialized "events" from a file that spanned many "new lines" (\n). Lacking this support, and seeing that an outstanding ticket already existed … Continue reading Deserializing Modsecurity Audit logs with Apache Flume →

JBoss and BouncyCastleProvider – SecurityException : “cannot authenticate the provider”

Posted on by bitsofinfo

Are you having problems trying to use the BouncyCastleProvider from your app on Jboss 5.x + (i.e. like the errors listed below)? If so and you don't want to spend hours trying to workaround this issue in Jboss, just follow this guy's instructions and get back to business: http://www.randombugs.com/java/javalangsecurityexception-jce-authenticate-provider-bc.html Some background regarding this Jboss issue … Continue reading JBoss and BouncyCastleProvider – SecurityException : “cannot authenticate the provider” →

USPS AIS bulk data loading with Hadoop mapreduce

Posted on by bitsofinfo

Today I pushed up some source to Github for a utility I was previously working on to load data from USPS AIS data files into HBase/Mysql using Hadoop mapreduce and simpler data loaders. Source @ https://github.com/bitsofinfo/usps-ais-data-loader This project was originally started to create a framework for loading data files from the USPS AIS suite of … Continue reading USPS AIS bulk data loading with Hadoop mapreduce →

Book Review: Solr 1.4 Enterprise Search Server

Posted on by bitsofinfo

This is a book review of Solr 1.4 Enterprise Search Server, by David Smiley and Eric Pugh I picked up this book after hearing about Solr. I was looking into Drupal and trying to see what indexing engines were available for it and the only option that seemed to fit the bill was Solr. It … Continue reading Book Review: Solr 1.4 Enterprise Search Server →

Gotcha! Tomcat strict quote escaping

Posted on by bitsofinfo

So I was recently upgrading an older application from Tomcat 6.0.16 to 6.0.20 and started to see a JasperException appear on several JSP pages I was testing. The exception stated something similar to the following: [insert your var here] is quoted with " which must be escaped when used within the value.. So I looked … Continue reading Gotcha! Tomcat strict quote escaping →