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> I am using Apache/1.3.6 and JServ/1.1 on Solaris 5.7. JServ is serving
> a single servlet (Java 1.2.2) which communicates with the client's Applet
> and a back-end database (Oracle 8i). This servlet works fine with a small
> load but when the load is increased it stops answering requests. There are
> no errors from the servlet OR from JServ OR from Apache, there is just no
> answer back at all. The usual cuprits are the number of file descriptors (I
> have that set at 1024) and the JVM heap size (which I have monitored).
> Increasing these values has no effect, so I don't think they are the
> problem. What I do notice upon lockup is the following (produced with
> netstat -a), this is just one of many such pairs:
>
> localhost.8007 localhost.56665 32768 0 32768 0 CLOSE_WAIT
> localhost.56665 localhost.8007 32768 0 32768 0 FIN_WAIT_2
>
> What this looks like to me is a deadlock between jserv and apache. I am at
> a loss as to what could cause this. I am wondering if anyone has seen this kind
> of problem and might know what else I might check.
Every single time someone has had these problems AND they mention a
database, it turns out that *somewhere* someone isn't releasing a DB
connection back to their JDBC pool
OR...the JVM is running out of memory.
Did you look at the logs and see if there is any errors?
-jon
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