Attachments JSP error on JAC

2010-08-26 04:22:58,036 http-172.16.3.44-9080-Processor56 ERROR anonymous 262x261685x1 q1ylav /secure/thumbnail/31660/31660_'Browse+Components'+in+version+3.13.4.jpg [jira.web.servlet.ViewAttachmentServlet] Error finding /31660/31660_'Browse+Components'+in+version+3.13.4.jpg: /opt/j2ee/domains/atlassian.com/jira/webapps/atlassian-jira/data/attachments/JRA/JRA-17305/thumbs/31660_thumb_'Browse Components' in version 3.13.4.jpg (No such file or directory)
2010-08-26 04:25:11,921 http-172.16.3.44-9080-Processor62 ERROR anonymous 265x262638x1 1yc7tt0 /browse/CONF-18078 [webwork.util.ValueStack] query="/thumbnails" {[id="null" type="5" values=""]} {[id="thumbnails" type="8" values=""]}
java.lang.reflect.InvocationTargetException
        at sun.reflect.GeneratedMethodAccessor688.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at webwork.util.InjectionUtils$DefaultInjectionImpl.invoke(InjectionUtils.java:70)
        at webwork.util.InjectionUtils.invoke(InjectionUtils.java:56)
        at webwork.util.ValueStack.findValue(ValueStack.java:412)
        at webwork.util.SimpleTest.test(SimpleTest.java:415)
        at webwork.util.ValueStack.test(ValueStack.java:157)
        at webwork.view.taglib.IfTag.doStartTag(IfTag.java:40)
        at org.apache.jsp.includes.panels.issue.view_005fattachments_jsp._jspx_meth_ww_005fif_005f18(view_005fattachments_jsp.java:3176)
        at org.apache.jsp.includes.panels.issue.view_005fattachments_jsp._jspx_meth_ww_005fif_005f0(view_005fattachments_jsp.java:277)
        at org.apache.jsp.includes.panels.issue.view_005fattachments_jsp._jspService(view_005fattachments_jsp.java:107)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        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.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:77)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:63)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
        at com.atlassian.plugin.servlet.filter.IteratingFilterChain.doFilter(IteratingFilterChain.java:46)
        at com.atlassian.plugin.servlet.filter.ServletFilterModuleContainerFilter.doFilter(ServletFilterModuleContainerFilter.java:77)