NumberFormatException thrown when specifying non numeric id to ViewAttachmentServlet

2009-05-26 07:29:58,429 http-j2ee.jira.atlassian.com%2F127.0.0.101-8080-Processor50 ERROR [jira.web.servlet.ViewAttachmentServlet]
Error finding /assets/snippets/reflect/snippet.reflect.php: For input string: "assets"
java.lang.NumberFormatException: For input string: "assets"
        at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
        at java.lang.Long.parseLong(Long.java:403)
        at java.lang.Long.<init>(Long.java:671)
        at com.atlassian.jira.web.servlet.ViewAttachmentServlet.getAttachment(ViewAttachmentServlet.java:87)
        at com.atlassian.jira.web.servlet.ViewAttachmentServlet.getFileName(ViewAttachmentServlet.java:68)
        at com.atlassian.jira.web.servlet.AbstractViewFileServlet.doGet(AbstractViewFileServlet.java:36)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.atlassian.core.filters.HeaderSanitisingFilter.doFilter(HeaderSanitisingFilter.java:44)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)