Can you check how many open file handles are there? Try using 'lsof' On 02/05/2014 01:05 PM, Terence Kent wrote: > Hello, > > We just starting using Velocity 1.7 in our production environment and > encountered the following error after our JVMs had been running for about 5 > days: > > ERROR ResourceManager : unable to find resource '/path/to/template.vm' in any > resource loader. > > We are getting no other errors in any of our code and this is the only > velocity message in our logs (we captured WARN and higher messages). Prior to > the error occurring, velocity was working as expected and able to find our > template. After the first time we received this error, all following attempts > to use the template failed. We had two separate systems running the same code > and they both experienced the issue within about 10 minutes of each other. > Restarting the JVM fixed the issue in both cases. > > This appears to be a very similar issue to the one described Peter over a > year ago using Velocity 1.6.2. Unfortunately, the thread appears to trail off > before an issue was diagnosed/fixed. (see > http://velocity.10973.n7.nabble.com/ResourceNotFoundException-Unable-to-find-resource-td10186.html) > > I'm a bit stuck since I've been unable to reproduce the issue or find out > more information. I've tried some load tests at a concurrency of 50 (far > larger than we receive on production), and this had no failures after 45 > minutes. Has anybody had success in diagnosing/resolving this issue? In case > it's relevant, here are the details of our deployment environment: > > * We use Tomcat 7.0.42, with 2 webapps deployed, A and B. A is fairly large > and complex, providing a web services api and a client API. B just contains a > tiny servlet that calls velocity on a single template. Velocity is only used > in webapp B. > * We use Velocity 1.7, configured to use the ClasspathResourceLoader. We > configure Velocity programmatically. > * Our JVM is OpenJDK build 20.0-b12 (java version "1.6.0_27")
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