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Published Jul. 2, 2025

Unable to upload file bigger than 10MB with ClamAVSizeLimitException after enabling Antivirus

Written By

Aaron Wang

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Issue

  • Unable to upload a file bigger than 10MB after enabling antivirus with the following error in the log
2021-07-19 08:35:43.476 ERROR [http-nio-8080-exec-9][PortletServlet:119] javax.portlet.PortletException: fi.solita.clamav.ClamAVSizeLimitException: Clamd size limit exceeded. Full reply from server: INSTREAM size limit exceeded. ERROR_ [Sanitized]
javax.portlet.PortletException: fi.solita.clamav.ClamAVSizeLimitException: Clamd size limit exceeded. Full reply from server: INSTREAM size limit exceeded. ERROR_ [Sanitized]
        at com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand.processAction(BaseMVCActionCommand.java:69)
        at com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet.callActionMethod(MVCPortlet.java:378)
        at com.liferay.portal.kernel.portlet.LiferayPortlet.processAction(LiferayPortlet.java:88)

Environment

  • Liferay DXP 7.2

Resolution

  • This error is due to Clamav's filesize limit configuration, which can be resolved by increasing the values for the following properties in ClamAV/clamd.conf.
     
MaxScanSize 1000M
MaxFileSize 1000M
StreamMaxLength 1000M

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