I have successfully sent 20M attachments.
My implementation is based on the articles in this newsgroup
http://mail-archives.apache.org/mod_mbox/ws-axis-user/200411.mbox/[EMAIL
PROTECTED]
http://www.mail-archive.com/[EMAIL PROTECTED]/msg08732/Fear_of_Attachments.pdf
We have done heavy traffic test (lasting upto 4 hours) for messages with 1M
attachments and did not see any memory issues.
We are using APache Axis 1.4, jboss 4.0.3 sp1
Lyman <[EMAIL PROTECTED]> wrote:
I appreciate any help or guidance you may provide. I am trying to determine
if I am trying to solve a solvable problem or should I pursue other methods to
overcome the problem.
Particulars:
Apache/1.3.27 Ben-SSL/1.48 (Unix) Debian GNU/Linux mod_jk/1.2.5 mod_perl/1.27
tomcat4_4.1.28-1
Axis 1.1
java version "1.4.2_02"
Linux version 2.4.22 (gcc version 2.95.4 20011002 (Debian prerelease)) #1 Wed
Oct 1 14:41:07 EDT 2003
Overview: Sending data to a external service, sometimes the data includes file
attachments. The external service requested we convert from a get file
attachments (sending a url for the file) to a push file attachments process.
The conversion has been working just fine but when we tried to send a file
larger than 4 mb we started getting java.lang.OutOfMemoryError. I increased the
machine specs from 64mb ram 500 mhz pII to a P4 1.3ghz 1gb ram. Error now takes
much less time to manifest itself but still occurs. The error usually occurs
when tomcat is in this statement:
java.lang.Object _resp = _call.invoke(new java.lang.Object[] {pvarSspNumber,
pvarContractNumber, pnumIdrNumber, pvarRevision, pvarUrgency, pvarItemNumber,
pvarDescription, pvarIsPartial, pvarWorkItemParagraph, pvarReportType,
pvarRecommendation, pvarAnswerMandatory, pvarReportAction, pvarResponseReqByDt,
pKtrCertificateNm, pvarBriefTx, pvarKtrMatl, pvarKtrCtLastNm, pvarLocation,
pnumCostProposal, pvarKtrComments, ptypAttachMetaBlob});
I have reviewed the archives and found much talk about sending files with soap
messages and how the file size is usually restricted. I have also seen talk of
being able to send 20mb files. The outside service confirms they are able to
send 9mb files using .net routines.
My question is this I guess, is it reasonable to think I should be able to send
files larger than 4mb. If it is reasonable, then what can I do to accomplish
that. Those that are sending 20mb files, what did you have to do to be able to
accomplish the task?
Would setting the STREAMING_PROPERTY to true for the _call object help? (I do
not know how to set this other than the setStreaming method.) Is there a way to
tell axis to use streaming all the time?
I have tried using -Xmx1500m but did not see any change in behavior.
I am new to tomcat and axis but need to maintain this application that was
written by someone else.
Again, I am most appreciative of any assistance in resolving the problem. If
anyone on the list would be able to help me have the capability to send larger
files but would like to be paid for that assistance, please contact me off
list.
This is my first post to the list so thanks for you patience and understanding
if I fall short of providing the information needed to provide help.
Lyman
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