Author: fhanik
Date: Thu Apr 12 20:22:29 2007
New Revision: 528341
URL: http://svn.apache.org/viewvc?view=rev&rev=528341
Log:
Updated with some useful info
Modified:
tomcat/tc6.0.x/trunk/webapps/docs/aio.xml
Modified: tomcat/tc6.0.x/trunk/webapps/docs/aio.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/aio.xml?view=diff&rev=528341&r1=528340&r2=528341
==============================================================================
--- tomcat/tc6.0.x/trunk/webapps/docs/aio.xml (original)
+++ tomcat/tc6.0.x/trunk/webapps/docs/aio.xml Thu Apr 12 20:22:29 2007
@@ -72,7 +72,13 @@
Alternately, it is also possible to catch any exception, perform clean
up
on any data structure the servlet may be using, and using the close
method
of the event. It is not allowed to attempt reading data from the
request
- object outside of the execution of this method.</li>
+ object outside of the execution of this method.<br/>
+ On some platforms, like Windows, a client disconnect is indicated by a
READ event.
+ Reading from the stream may result in -1, an IOException or an
EOFException.
+ Make sure you properly handle all these three cases.
+ If you don't catch the IOException, Tomcat will instantly invoke your
event chain with an ERROR as
+ it catches the error for you, and you will be notified of the error at
that time.
+ </li>
<li>EventType.END: End may be called to end the processing of the request.
Fields that have
been initialized in the begin method should be reset. After this event has
been processed, the request and response objects, as well as all their
dependent
@@ -194,8 +200,8 @@
InputStream is = request.getInputStream();
byte[] buf = new byte[512];
do {
- int n = is.read(buf);
- if (n > 0) {
+ int n = is.read(buf); //can throw an IOException
+ if (n > 0) {
log("Read " + n + " bytes: " + new String(buf, 0, n)
+ " for session: " +
request.getSession(true).getId());
} else if (n < 0) {
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