error (Too many open files)

[me]

Hi everyone,

Anybody know what is the reason of this error and what is the solution?

does it related to ulimit?

https://confluence.atlassian.com/confkb/health-check-confluence-open-files-limit-844236751.html

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Cause

java.lang.RuntimeException: javax.servlet.ServletException: java.lang.IllegalStateException: java.io.FileNotFoundException: /opt/atlassian-confluence-7.10.1/confluence/WEB-INF/lib/atlassian-webhooks-spi-6.1.4.jar (Too many open files)
at com.opensymphony.sitemesh.webapp.decorator.BaseWebAppDecorator.render(BaseWebAppDecorator.java:37)

caused by: javax.servlet.ServletException: java.lang.IllegalStateException: java.io.FileNotFoundException: /opt/atlassian-confluence-7.10.1/confluence/WEB-INF/lib/atlassian-webhooks-spi-6.1.4.jar (Too many open files)
at com.atlassian.confluence.util.profiling.ConfluenceSitemeshDecorator$ErrorSendingErrorHandlingStrategy.handleException(ConfluenceSitemeshDecorator.java:279)

caused by: java.lang.IllegalStateException: java.io.FileNotFoundException: /opt/atlassian-confluence-7.10.1/confluence/WEB-INF/lib/atlassian-webhooks-spi-6.1.4.jar (Too many open files)
at org.apache.catalina.webresources.AbstractSingleArchiveResourceSet.getArchiveEntry(AbstractSingleArchiveResourceSet.java:101)

caused by: java.io.FileNotFoundException: /opt/atlassian-confluence-7.10.1/confluence/WEB-INF/lib/atlassian-webhooks-spi-6.1.4.jar (Too many open files)
at java.util.zip.ZipFile.open(Native Method)
Stack Trace:[hide]

[Nic Brough -Adaptavist-]

Yes, you have found the right answer, you need to increase the confluence user's file limits.