I wish I could tell you that it worked on my machine, but alas the command below did fail on a bunch of core tests via Accumulo*FormatTest$MRTester.

Looking into it currently. Maybe someone accidentally broke compatibility with the old Hadoop stuff and we need to add a new dependency with 0.20.205.0?

On 04/16/2013 08:39 PM, dlmar...@comcast.net wrote:
Updated my local 1.5 branch and tried to build with "mvn clean package -P assemble 
-Dhadoop.version=0.20.205.0". I'm running CDH3 Update 3 locally, so that should 
work. A bunch of tests failed in core with:

Caused by: java.lang.ClassNotFoundException: 
org.codehaus.jackson.map.JsonMappingException
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)


Has anyone else seen this?

-- Dave

----- Original Message -----
From: "Eric Newton" <eric.new...@gmail.com>
To: dev@accumulo.apache.org
Sent: Tuesday, April 16, 2013 7:52:09 PM
Subject: Re: VFS class reloading?

We have tests for dynamic loading of classes so I'm pretty sure it works.

John, can you repeat the failure?

-Eric



On Tue, Apr 16, 2013 at 6:50 PM, Dave Marion <dlmar...@comcast.net> wrote:

Looking at the code, it should work. Keith and I had several conversations
about what the new classloader should do. I believe that he wanted it to
behave like the old one and what I see in the code supports that. If it is
not working, then I would say create a ticket for it for now. I'll try to
replicate it tonight if I have time.

-----Original Message-----
From: Dave Marion [mailto:dlmar...@comcast.net]
Sent: Tuesday, April 16, 2013 6:41 PM
To: dev@accumulo.apache.org
Subject: RE: VFS class reloading?

The implementation changed several times, so the pre-1.5 layout may not
work. In 1.5, using the bootstrap script, it should put the accumulo jars
into HDFS and dynamic loading from there should occur. I'll try and test
tonight if I have time.

-----Original Message-----
From: John Vines [mailto:vi...@apache.org]
Sent: Tuesday, April 16, 2013 6:30 PM
To: Accumulo Dev List
Subject: VFS class reloading?

Maybe I missed something with the switch to the VFS classloader, but does
dynamic loading out of lib/ext no longer work? I had accumulo 1.5 running,
threw an iterator in there, but had to restart tserver to get the new
iterator picked up. Was that an intentional change?



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