DM,
On Apr 16, 2009, at 20:09, DM Smith <[email protected]> wrote:
There have been some problems with the server lately.
I think, but am not sure, that tomcat is having problems. I'm not
very up on tomcat, so take what follows with a grain of salt.
For those with server access and appropriate permissions, tomcat
logs have a wealth of info and can be found at:
/opt/tomcat/logs
In catalina.out the following error is repeated frequently:
java.io.FileNotFoundException: /opt/tomcat/webapps/gobible/WEB-INF/
classes/trans_null.properties (Permission denied)
This is followed by a java stack trace.
I'm extrapolating from times I've seen similar errors in my own code:
the program is failing to initialize a translation name correctly, so
the null appears when a null reference to a string is concerted to the
file name.
The only other errors I see in that file are related to the Bible
Tool, where the process tries to attach to a running process
(throwing an exception) and then starts another process because of
the failure.
Other than that this log indicates a heavy usage of the forums.
In catalina2009-04-16.log
There are a lot of problems opening jar files. Doing a spot check
indicates that the jars are fine. But looking a bit closer in the
log, each one of these is followed by a stack trace indicating "Too
many files open"
Musing out loud: It appears that some of the more common jar files
are repeated for each webapp. Should they be put in a common area?
(I don't know enough to know.)
This is definitely possible. In tomcat's top directory there is a
place to put shared jar files, like DB drivers, JSword, Lucene or
others. This only would present a problem if people must keep a
different version than the globally installed one. In that case,
precedence is determined by the configuration of Catalina's classpath.
--Greg
I'm also wondering whether the BibleTool holds too many open file
descriptors? (I have no idea, but JSword had that problem.)
The number of open file descriptors is a tunable kernel parameter,
so maybe it can be adjusted upward?
Anyway, this is probably more heat than light.
In Him,
DM
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