Author Archives: kelly

Failed to create poller with specified size

It had always bugged me that I got this warning on my OS X, MacBook Pro development system. (Well, it’s really an INFO, not a WARN but it bugged me nonetheless.) Apr 8, 2009 4:10:55 PM org.apache.coyote.ajp.AjpAprProtocol init INFO: Initializing Coyote AJP/1.3 on ajp-8009 <!– snip –> Apr 8, 2009 4:10:58 PM org.apache.tomcat.util.net.AprEndpoint allocatePoller INFO: […]

UTF8 JDBC on Tomcat

I’ve had opportunity to once again visit the UTF8 chain of failure and thought I’d write about it. If for no other reason, it’s easier for me to find my notes when I shove them into a blog entry. I previously wrote about UTF8 on Tomcat. I pointed out that I needed to add an […]

use curl for api documentation

I’ve been working quite a bit with the rest plugin for Struts2. The really nice thing about this plugin is the way it cleans up Struts URLs. Makes them more rails-like. I chuckled when depressed programmer suggested that struts2 is “WebWork on drugs.” I hate struts2. I really do. Anyway, I have stripped down an […]

Software RAID 10

I’ve been putting off building the software RAID10 on marmaduke. Today, I put it off no longer. The server marmaduke has six storage devices (2 IDE and 4 SATA) $ ls -1 /dev/hd? /dev/hde /dev/hdf $ ls -1 /dev/sd? /dev/sda /dev/sdb /dev/sdc /dev/sdd The CDROM is attached as /dev/hde and a 300GB HDD as /dev/hdf […]

RAID 01 vs. RAID 10

I just finished building a four-drive software RAID10 on marmaduke and wanted to jot down my thoughts on RAID failure. In particular, I read a number of postings on the difference between RAID 01 and RAID 10. None of them satisfactory described the differences and how those differences changed when adding more drives. Marmaduke only […]

bash progress monitor

I have a remote machine that is used to store and process XML files. Recently, I had need to duplicate a directory of XML files (e.g., cp -r a b). It’s not really germane to the subject here, but this particular server has a whack configuration and I gotta rant before I continue. The office […]