Gabriel Reid created PHOENIX-962:
------------------------------------
Summary: Basic querying fails if the current thread's context
classloader is changed
Key: PHOENIX-962
URL: https://issues.apache.org/jira/browse/PHOENIX-962
Project: Phoenix
Issue Type: Bug
Affects Versions: 3.0.0
Reporter: Gabriel Reid
Assignee: Gabriel Reid
When using Phoenix 3.0.0 with HBase 0.94.x, any kind of basic querying fails if
the connection is used by a thread that has a custom context classloader that
doesn't link back up to the root classloader.
This sounds like a somewhat contrived situation, but it is the case in clients
where, for example, a Connection is instantiated within a background thread
within a thread pool, and then passed in to a UI framework that uses a custom
context classloader.
The underlying cause is that there is a static call to
HBaseConfiguration.create() within the HBase FilterList class, which is
instantiated for many query calls. The HBaseConfiguration.create() call adds
hbase-default (and other) resources to the underlying Configuration object, but
these underlying resources can no longer be loaded because they are dependent
on the context classloader for loading. Ensuring that the FilterList class is
loaded with a context classloader that is used for loading other Phoenix
classes will resolve this issue.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
