https://bz.apache.org/bugzilla/show_bug.cgi?id=60076
Bug ID: 60076
Summary: ClientAbortException / IOException occurs only when
using HttpServletResponseWrapper
Product: Tomcat 6
Version: 6.0.45
Hardware: PC
URL: http://mail-archives.apache.org/mod_mbox/tomcat-users/
201608.mbox/%3C6be06ed8-64da-4f3d-4204-0e89b40617de%40
jalios.com%3E
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: olivier.jaque...@jalios.com
Created attachment 34189
--> https://bz.apache.org/bugzilla/attachment.cgi?id=34189&action=edit
Test webapp compile with JDK 1.6 for Tomcat 6
The following exception occurs when users try to access AVI video playback on
IE11.
My analysis is that it's a bad behavior of Tomcat when using
HttpServletResponseWrapper.
ClientAbortException: java.io.IOException
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:370)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:368)
at
org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:393)
at
org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:382)
at
org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
at
org.apache.catalina.servlets.DefaultServlet.copy(DefaultServlet.java:1994)
at
org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet.java:954)
at
org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:420)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at com.example.BasicFilter.doFilter(BasicFilter.java:35)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at
org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
at
org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:610)
at
org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1777)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException
at
org.apache.coyote.http11.InternalAprOutputBuffer.flushBuffer(InternalAprOutputBuffer.java:717)
at
org.apache.coyote.http11.InternalAprOutputBuffer$SocketOutputBuffer.doWrite(InternalAprOutputBuffer.java:747)
at
org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
at
org.apache.coyote.http11.InternalAprOutputBuffer.doWrite(InternalAprOutputBuffer.java:557)
at org.apache.coyote.Response.doWrite(Response.java:533)
at
org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:365)
... 24 more
I have setup a very simple reproduction webapp (2 nearly empty class, one html,
one video) attach to this issue.
(test-t6.war for Tomcat 6, test.war for Tomcat 7+)
This webapp is configured with a simple servlet filter, doing nothing special
but wrapping the response using a simple HttpServletResponseWrapper (not doing
anything at all) and logging request information on exception.
To help demonstrate the cause of the problem, the filter expose an init
parameter "wrap-response" in web.xml which quickly allows the webapp to be
tested with 2 behavior : response wrapped (to exhibit the bug) or not (to
behave properly).
The home page contains a video player with a very small AVI file.
The reproduction steps :
* Start Tomcat (any version) with the webapp above
* Access the index page using IE 11 on Windows 7 (very important : clear
browser cache between each test)
--> The exception above occurs.
* Edit web.xml, set "wrap-response" init parameter to false
* Repeat the test with IE (don't forget to clear cache!)
--> No exception.
The problem may be workaround by modifying Tomcat's web.xml by disabling
Accept-Ranges support.
<init-param>
<param-name>useAcceptRanges</param-name>
<param-value>false</param-value>
</init-param>
Because the ClientAbortException/IOException does not occurs if the response is
not wrapped, and does not occurs either if acceptRange is disabled, it really
make me think that is a bug in Tomcat (and not a behavior of the client
contrary to what ClientAbortException implies).
Bug verified to exist in all following version of tomcat (with a default
install)
(using JDK 1.6.0_45-b06 on Win7 SP1):
Apache Tomcat/7.0.45
(using JDK 1.8.0_102-b14 on Win7 SP1):
Apache Tomcat/7.0.70
Apache Tomcat/8.0.36
Apache Tomcat/8.5.4
Apache Tomcat/9.0.0.M9
Bug initially discussed on tomcat users ML
http://mail-archives.apache.org/mod_mbox/tomcat-users/201608.mbox/%3C6be06ed8-64da-4f3d-4204-0e89b40617de%40jalios.com%3E
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