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From John Hawkins <HAWKI...@uk.ibm.com>
Subject Re: monitor changes causing hang?
Date Fri, 17 Mar 2006 17:13:44 GMT
Oh ! And I just remembered - there appears to be a case when the 
connection is closed (e.g. by SimpleAxisServer) where the monitor doesn't 
close the conn and the client timeouts - I'm just looking into this now as 
it's hitting me. But this has always been the case so is not a new 
"feature" ;-)





John Hawkins/UK/IBM@IBMGB 
17/03/2006 17:08
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Subject
Re: monitor changes causing hang?







hi Ndair, 

the recent changes weren't for chunk sizes (to my knowledge) that's been 
in for ages. The changes were all about closing the sockets down correctly 
and, ensuring that they were created a litlle bit smarter e.g 
reuseaddr(true). 

We've run the tests on aix, win and linux yesterday and it worked fine. 

I would suggest you look at how many sockets are open and see if many are 
in the wait state or such like. "netstat 1" was very helpful when  I was 
doing this work ! 


cheers, 
John. 



Nadir Amra <amra@us.ibm.com> 
17/03/2006 16:59 

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Subject
monitor changes causing hang?








I am having problems running testcases since the changes to 
tests/utils/monitor code a few days ago to handle chunk size errors. 
Basically as the unit test bucket is being run, it eventually hangs with 
the following information:

startMockServer: 
    [echo] Starting mockserver 
       [echo] testport = 3260 
       [java] Constructing org.apache.test.MockServer 
       [java] Information - Response file is chunked. 
       [java] Warning: Chunksize is not correct 
       [java] chunk.length = 511 
       [java] ChunkSize = 513 
       [java] chunkString 201 
 
       [java] Warning: Chunksize is not correct. Attempting to correct 
with additional \r\n 
       [java] Attempt to correct the chunksize failed 
       [java] Information - Response file is chunked. 
       [java] Warning: Chunksize is not correct 
       [java] chunk.length = 497 
       [java] ChunkSize = 499 
       [java] chunkString 1f3 
 
       [java] Warning: Chunksize is not correct. Attempting to correct 
with additional \r\n 
       [java] Attempt to correct the chunksize failed 
       [java] Information - Response file is chunked. 
       [java] Warning: Chunksize is not correct 
       [java] chunk.length = 472 
       [java] ChunkSize = 474 
       [java] chunkString 1da 
 
       [java] Warning: Chunksize is not correct. Attempting to correct 
with additional \r\n 
       [java] Attempt to correct the chunksize failed 
       [java] Information - Response file is chunked. 
       [java] Warning: Chunksize is not correct 
       [java] chunk.length = 515 
       [java] ChunkSize = 517 
       [java] chunkString 205 
 
       [java] Warning: Chunksize is not correct. Attempting to correct 
with additional \r\n 
       [java] Attempt to correct the chunksize failed 
       [java] Information - Response file is chunked. 
       [java] Warning: Chunksize is not correct 
       [java] chunk.length = 524 
       [java] ChunkSize = 526 
       [java] chunkString 20e 
 
       [java] Warning: Chunksize is not correct. Attempting to correct 
with additional \r\n 
       [java] Attempt to correct the chunksize failed 
       [java] Information - Response file is chunked. 
       [java] Warning: Chunksize is not correct 
       [java] chunk.length = 534 
       [java] ChunkSize = 536 
       [java] chunkString 218 
 
       [java] Warning: Chunksize is not correct. Attempting to correct 
with additional \r\n 
       [java] Attempt to correct the chunksize failed 
       [java] MockServer got 6 responses 
  MockServer listening on port: 3260 
  Returning Output file: 
/home/amra/axis/L1.1.0/src/ws-axis/c/../../../obj/test/generated/cpp/UnitTest_XSD_dateTime/UnitTest_XSD_da
  teTimeServerResponse.expected 
  Mockserver#run(): About to wait for incoming client request 
 
  startMonitor: 
       [echo] Starting monitor forwarding to localhost:3260 
       [java] TCPMonitor Listening on port 13260 
       [java] Constructing org.apache.test.TCPMonitor 
       [java] Constructing org.apache.test.TestClientListener 
       [echo] Running Test UnitTest_XSD_dateTime 
http://127.0.0.1:13260/axis/XSD_dateTime 
  TestClientListener#run(): Waiting for a new client request 
       [exec] TestClientListener#run():Got a client new client request 

       [exec] Constructing org.apache.test.TestClientThread 
       [exec] Mockserver#run(): Got a new client request 
       [exec] Constructing org.apache.test.MockServerThread 
       [exec] Constructing org.apache.test.ClientReturner 
 
       [exec] MockServerThread(): entry 
       [exec] MockServerThread#run():About to wait for stop msg 
       [exec] ----------------------------------MockServer Thread new 
Request------------------------ 
       [exec] MockServerThread#run(): Got some bytes: 8 
       [exec] TestClientListener#run(): Waiting for a new client request 

       [exec] MockServerThread#run(): Got some bytes: 14 
       [exec] Got message POST /axis/XSD_dateTim 
       [exec] MockServerThread(): exit 
       [exec] Mockserver#run(): About to wait for incoming client request 

       [exec] MockServerThread#run(): About to wait on the inputstream 

       [exec] MockServerThread#run(): Got some more bytes 603 
       [exec] MockServerThread#run():EnvelopeString = 
</SOAP-ENV:Envelope> 
 
 
       [exec] MockServerThread#run():Got an envelope 
       [exec] Constructing org.apache.test.ResponseSender 
       [exec] -------------------------------MockServer new 
request--------------------------------- 
       [exec] MockServerThread#run(): Going round again 
java.io.BufferedReader@8f9c22ff 
       [exec] ResponseSender: Sent response To Client 
       [exec] About to go around again 
       [exec] MockServerThread#run(): Got some more bytes 613 
       [exec] MockServerThread#run():EnvelopeString = 
</SOAP-ENV:Envelope> 
 
 
       [exec] MockServerThread#run():Got an envelope 
       [exec] Constructing org.apache.test.ResponseSender 
       [exec] -------------------------------MockServer new 
request--------------------------------- 
       [exec] MockServerThread#run(): Going round again 
java.io.BufferedReader@8f9c22ff 
       [exec] ResponseSender: Sent response To Client 
       [exec] About to go around again 
       [exec] MockServerThread#run(): Got some more bytes 603 
       [exec] MockServerThread#run():EnvelopeString = 
</SOAP-ENV:Envelope> 
       [exec] MockServerThread#run():Got an envelope 
       [exec] Constructing org.apache.test.ResponseSender 
       [exec] -------------------------------MockServer new 
request--------------------------------- 
       [exec] MockServerThread#run(): Going round again 
java.io.BufferedReader@8f9c22ff 
       [exec] ResponseSender: Sent response To Client 
       [exec] About to go around again 
       [exec] MockServerThread#run(): Got some more bytes 656 
       [exec] MockServerThread#run():EnvelopeString = 
</SOAP-ENV:Envelope> 
 
 
       [exec] MockServerThread#run():Got an envelope 
       [exec] Constructing org.apache.test.ResponseSender 
       [exec] -------------------------------MockServer new 
request--------------------------------- 
       [exec] MockServerThread#run(): Going round again 
java.io.BufferedReader@8f9c22ff 
       [exec] ResponseSender: Sent response To Client 
       [exec] About to go around again 
       [exec] MockServerThread#run(): Got some more bytes 642 
       [exec] MockServerThread#run():EnvelopeString = 
</SOAP-ENV:Envelope> 
 
 
       [exec] MockServerThread#run():Got an envelope 
       [exec] Constructing org.apache.test.ResponseSender 
       [exec] -------------------------------MockServer new 
request--------------------------------- 
       [exec] MockServerThread#run(): Going round again 
java.io.BufferedReader@8f9c22ff 
       [exec] ResponseSender: Sent response To Client 
       [exec] About to go around again 
       [exec] MockServerThread#run(): Got some more bytes 651 
       [exec] MockServerThread#run():EnvelopeString = 
</SOAP-ENV:Envelope> 
 
 
       [exec] MockServerThread#run():Got an envelope 
       [exec] Constructing org.apache.test.ResponseSender 
       [exec] -------------------------------MockServer new 
request--------------------------------- 
       [exec] MockServerThread#run(): Going round again 
java.io.BufferedReader@8f9c22ff 
       [exec] ResponseSender: Sent response To Client 
       [exec] About to go around again 
  [stopwatch] [UnitTest_XSD_dateTime.timer: 0.451 sec] 
       [echo] UnitTest_XSD_dateTime - Execution Time - 0.451 sec 
 
  stopMonitor: 
       [java] StopTCPMonitor#stopMonitor(): Sending stop message to 
monitor 
       [java] TestClientListener#run():Got a client new client request 
       [java] Constructing org.apache.test.TestClientThread 
       [java] Closing org.apache.test.TestClientThread 
       [java] Closed org.apache.test.TestClientThread 
       [java] TestClientListener got a Stop monitor message 
       [java] TCPMonitor#close(): Flushing and closing the output files 

       [java] About to call super.close 
       [java] Closing org.apache.test.TCPMonitor 
       [java] Closing org.apache.test.TestClientListener 
       [java] Closing org.apache.test.TestClientThread 

And that is where it hangs.  Any clues?

Nadir K. Amra



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