https://issues.apache.org/bugzilla/show_bug.cgi?id=55996
Bug ID: 55996
Summary: Async context completes with IllegalStateException
after around 10 seconds.
Product: Tomcat 7
Version: 7.0.50
Hardware: PC
Status: NEW
Severity: critical
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
Created attachment 31200
--> https://issues.apache.org/bugzilla/attachment.cgi?id=31200&action=edit
Servlet with Async processing and Java Based client
I created a ProblemServlet which receives request via a Java based client. The
Servlet starts an Async processing for each request.
Within the Async processing run() method there is a while loop which cyclically
sends String messages to the client. The implementation of run method is shown.
public void run()
{
try
{
String msg = "";
ServletOutputStream outputStream =
publisherAsyncCtx.getResponse().getOutputStream();
boolean continu = true;
while (continu)
{
msg = "";
msg = "|" + " " + new Date();
System.out.println("publishing message... " + msg);
outputStream.println(msg);
publisherAsyncCtx.getResponse().flushBuffer();
try
{
Thread.sleep(1000);
}
catch (InterruptedException e)
{
System.out.println("sleep InterruptedException: " +
e.getMessage());
e.printStackTrace();
}
}
}
When a Java based console application client hits this servlet and reads its
output stream, for around 10 sec the messages arrive. But after 10 seconds the
connection is closed by the server.
Logs on the Server side:
Starting the Async Context.
publishing message... | Mon Jan 13 11:28:30 IST 2014
publishing message... | Mon Jan 13 11:28:31 IST 2014
publishing message... | Mon Jan 13 11:28:32 IST 2014
publishing message... | Mon Jan 13 11:28:33 IST 2014
publishing message... | Mon Jan 13 11:28:34 IST 2014
publishing message... | Mon Jan 13 11:28:35 IST 2014
publishing message... | Mon Jan 13 11:28:36 IST 2014
publishing message... | Mon Jan 13 11:28:37 IST 2014
publishing message... | Mon Jan 13 11:28:38 IST 2014
publishing message... | Mon Jan 13 11:28:39 IST 2014
publishing message... | Mon Jan 13 11:28:40 IST 2014
publishing message... | Mon Jan 13 11:28:41 IST 2014
Exception in thread "http-bio-8080-exec-6" java.lang.IllegalStateException: The
request associated with the AsyncContext has already completed processing.
at
org.apache.catalina.core.AsyncContextImpl.check(AsyncContextImpl.java:521)
at
org.apache.catalina.core.AsyncContextImpl.getResponse(AsyncContextImpl.java:245)
at
com.pg.orion.artcloopcheck.ProblemServlet$AsynRunnable.run(ProblemServlet.java:67)
at
org.apache.catalina.core.AsyncContextImpl$RunnableWrapper.run(AsyncContextImpl.java:557)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Issue is seen with "apache-tomcat-7.0.50", "apache-tomcat-7.0.47". Not tested
with other release 7 variants.
The same codebase when run on "apache-tomcat-8.0.0-RC10" there are no issues.
--
You are receiving this mail because:
You are the assignee for the bug.
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
