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James,

On 6/22/15 2:54 PM, James H. H. Lampert wrote:
> We have two weird things going on at the same customer
> installation.
> 
> First, we have a situation in which catalina.out is inexplicibly
> growing to enormous size (4558505886 bytes) in a very short time
> (under a week), and growing by 4k in under a minute. And yet the
> catalina.[date] files are all of very reasonable size.
> 
> Second, we've been finding a lot of "There is no process to read
> data written to a pipe." exceptions. They're apparently being
> thrown by our own code, but we haven't been able to determine why,
> and while a Google search on that exact phrase turns up hundreds of
> references specific to aix, it doesn't turn up any specific to
> OS/400 (or whatever IBM is calling it this week). Don't know if
> there's any connection between that and the enormous catalina.out.

Well... what's in the catalina.out file? Is it huge numbers of
exceptions of the type described above?

> Tomcat version is 7.0.47, running on an AS/400.

You might be able to get some mileage out of using
swallowOutput="true" on your <Context>. Depending upon the nature of
the output being logged, that may direct the tons-of-error-logging to
the daily log files, which are easier to manage (compress, delete, etc.)
.

- -chris
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