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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 46354] New: LIMIT_BUFFER setting causes arraycopy errors
Date Fri, 05 Dec 2008 17:01:53 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=46354

           Summary: LIMIT_BUFFER setting causes arraycopy errors
           Product: Tomcat 5
           Version: 5.5.23
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Jasper
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: ed-hill@uiowa.edu


Per the advice in this issue:

http://issues.apache.org/bugzilla/show_bug.cgi?id=37793

We just tried to apply the following setting to our Tomcat instances

-Dorg.apache.jasper.runtime.BodyContentImpl.LIMIT_BUFFER=true

A short time after applying this setting, we would start seeing the following
stack traces on various random requests.

SEVERE: Servlet.service() for servlet jsp threw exception
java.lang.ArrayIndexOutOfBoundsException
        at java.lang.System.arraycopy(System.java)
        at java.lang.String.getChars(String.java:855)
        at
org.apache.jasper.runtime.BodyContentImpl.write(BodyContentImpl.java:146)
        at
org.apache.jasper.runtime.BodyContentImpl.write(BodyContentImpl.java:159)
        at
org.apache.jsp.tag.web.arch.patterns.DetailInspector.list_tag._jspx_meth_c_005fif_005f3(list_tag.java:683)
        at
org.apache.jsp.tag.web.arch.patterns.DetailInspector.list_tag._jspx_meth_c_005fforEach_005f0(list_tag.java:630)
        at
org.apache.jsp.tag.web.arch.patterns.DetailInspector.list_tag.doTag(list_tag.java:302)
        at
org.apache.jsp.WEB_002dINF.pages.registrar.academic.Student.inspect.pgmstudy_002dtab_jsp._jspx_meth_detail_005flist_005f0(pgmstudy_002dtab_jsp.java:224)
        at
org.apache.jsp.WEB_002dINF.pages.registrar.academic.Student.inspect.pgmstudy_002dtab_jsp.access$0(pgmstudy_002dtab_jsp.java:214)
        at
org.apache.jsp.WEB_002dINF.pages.registrar.academic.Student.inspect.pgmstudy_002dtab_jsp$pgmstudy_002dtab_jspHelper.invoke0(pgmstudy_002dtab_jsp.java:492)
        at
org.apache.jsp.WEB_002dINF.pages.registrar.academic.Student.inspect.pgmstudy_002dtab_jsp$pgmstudy_002dtab_jspHelper.invoke(pgmstudy_002dtab_jsp.java:571)
        at
org.apache.jsp.tag.web.arch.patterns.DetailInspector.inspector_tag.doTag(inspector_tag.java:163)
        at
org.apache.jsp.WEB_002dINF.pages.registrar.academic.Student.inspect.pgmstudy_002dtab_jsp._jspService(pgmstudy_002dtab_jsp.java:151)
        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:328)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        ...

If we remove the setting, then things behave normally (albeit with the memory
issues discussed in the linked issue).

We are running on top of java version 1.6.0.


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