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Editorial Team
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Asked: 2026-06-04T02:00:29+00:00

When I tried to upload a large size image(2.3MB), I got following exception. I

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When I tried to upload a large size image(2.3MB), I got following exception. I use a thumbnail creation jar for thumbnail creation(thumbnailator-0.4.2-all.jar). The file is getting uploaded fine, but I am not able to create thumbnail from it and it shows the exception.

org.apache.jasper.JasperException: Java heap space
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:453)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:375)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:314)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:264)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:689)

I use JSP, with apache tomcat 5.5, eclipse helios as my development tool.

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1 Answer

  1. Editorial Team

    The error message gives you a pretty good clue:

    Java heap space

    You’ve run out of heap memory. To create a thumbnail your image is probably being decoded to a bitmapped format, which can require quite a bit of memory for a large/high-resolution image file.

    You can allocate more memory to your server instance using the -Xmx argument. This thread may be helpful, if you’re not sure where to set this option.

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