Hi Guys,
We’re trying to spin up a testing version of Phoenix and integrate it with a
Jruby on rails application. I have Phoenix and Hbase successfully installed,
configured and talking to each other, but am coming up with a ‘cannot load java
class’ error when trying to make the connection to the rails server. I’m
running this in standalone mode by the way for testing purposes.
The correct phoenix-server jars in are the classpath for the application.
Any help or guidance you can give on the the connection would be greatly
appreciated.
Phoenix: 4.6
HBase: 1.1.2
JRuby: 1.7.19
Error:
NameError: cannot load Java class org.apache.phoenix.jdbc.PhoenixDriver
for_name at
org/jruby/javasupport/JavaClass.java:1286
get_proxy_class at
org/jruby/javasupport/JavaUtilities.java:34
java_import at
file:/usr/local/rvm/rubies/jruby-1.7.19/lib/jruby.jar!/jruby/java/core_ext/object.rb:27
______________________________________________________________________________________________
Here’s my jdbc.rb connector:
require 'java'
java_import 'org.apache.phoenix.jdbc.PhoenixDriver'
java_import 'java.sql.Connection'
java_import 'java.sql.DriverManager'
java_import 'java.sql.ResultSet'
java_import 'java.sql.SQLException'
java_import 'java.sql.PreparedStatement'
java_import 'java.sql.Statement'
Java::JavaClass.for_name "org.apache.phoenix.jdbc.PhoenixDriver"
Connection con = DriverManager.getConnection("jdbc:phoenix://localhost:2181”)
______________________________________________________________________________________________
Related Gems in Gemfile:
activerecord-jdbc-adapter
jdbc-mysql
More generally do you have many examples or use cases of OLTP rails
applications connecting to phoenix, as most examples I’ve found seem to be Java
applications?
Many Thanks,
Josh
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