PM44593: CR HANGS WHEN CLIENT SIDE CONNECTION IS ABORTED WHEN UPLOADING LARGE PAYLOAD.

Fixes are available

APAR status

Closed as program error.

Error description

an HTTP client initiates a file transfer upload from the client
to the application running in the servant.

When protocol_http_timeout_output_recovery is not set or if it
is set to SERVANT, then the file transfer ultimately times out
with the following call stack, and the servant is ABENDed with
SEC3 reason 04130007:

at com.ibm.ws390.xmem.XMemSRCppUtilities.doPushService(
    Native Method)
at com.ibm.ws390.channel.xmem.XMemReadRequestContext.read(
    XMemReadRequestContext.java:228)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.
    fillABuffer(HttpServiceContextImpl.java:4139)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.
    readSingleBlock(HttpServiceContextImpl.java:3371)
at com.ibm.ws.http.channel.impl.HttpServiceContextImpl.
    readBodyBuffer(HttpServiceContextImpl.java:3477)
at com.ibm.ws.http.channel.inbound.impl.
    HttpInboundServiceContextImpl.getRequestBodyBuffer(
    HttpInboundServiceContextImpl.java:1704)
at com.ibm.ws.webcontainer.channel.WCCByteBufferInputStream.
    bufferIsGood(WCCByteBufferInputStream.java:225)
at com.ibm.ws.webcontainer.channel.WCCByteBufferInputStream.
    read(WCCByteBufferInputStream.java:146)
at com.ibm.ws.webcontainer.srt.http.HttpInputStream.read(
    HttpInputStream.java:314)
at org.apache.commons.fileupload.MultipartStream$
    ItemInputStream.makeAvailable(MultipartStream.java:977)
at org.apache.commons.fileupload.MultipartStream$
    ItemInputStream.read(MultipartStream.java:887)
at java.io.FilterInputStream.read(FilterInputStream.java:128)
at org.apache.commons.fileupload.util.LimitedInputStream.read(
    LimitedInputStream.java:125)
at java.io.FilterInputStream.read(FilterInputStream.java:102)
at org.apache.commons.fileupload.util.Streams.copy(
    Streams.java:94)
at org.apache.commons.fileupload.util.Streams.copy(
    Streams.java:64)
at org.apache.commons.fileupload.FileUploadBase.parseRequest(
    FileUploadBase.java:362)
at org.apache.commons.fileupload.servlet.ServletFileUpload.
    parseRequest(ServletFileUpload.java:126)

When protocol_http_timeout_output_recovery is set to SESSION,
the request still times out, but the session is closed and the
servant thread does get freed up, as evidenced by these
messages:
WSVR0605W: Thread "WebSphere:ORB.thread.pool t=009aaa60"
(0000006d) has been active for 704821 milliseconds and may be
hung.  There is/are 1 thread(s) in total in the server that may
be hung.
at com.ibm.ws390.xmem.XMemSRCppUtilities.doPushService(
    Native Method)

WSVR0606W: Thread "WebSphere:ORB.thread.pool t=009aaa60"
(0000006d) was previously reported to be hung but has
completed.  It was active for approximately 1246758
milliseconds.  There is/are 0 thread(s) in total in the server
that still may be hung.

In each instance, the error is preceeded by the following FFDC
from the controller.  We observed that this NPE error did also
occur at other times, when a hang did not occur.

[5/29/11 20:57:30:146 CEST]     FFDC
Exception:java.lang.NullPointerException
SourceId:com.ibm.ws.tcp.channel.ZAioTCPChannel ProbeId:300
Reporter:com.ibm.ws.tcp.channel.impl.ZAioTCPChannel@42504250
java.lang.NullPointerException
at com.ibm.ws.proxy.channel.http.HttpProxyServiceContextImpl.
    localProviderPreparation
    (HttpProxyServiceContextImpl.java:4118)
at com.ibm.ws.proxy.channel.http.HttpProxyConnectionLink.
    processResponseWork(HttpProxyConnectionLink.java:1407)
at com.ibm.ws.proxy.channel.http.HttpProxyConnectionLink.
    transferProcessingToResponsePath
    (HttpProxyConnectionLink.java:1857)
at com.ibm.ws.proxy.channel.http.HttpInboundReadBodyCallback.
    error(HttpInboundReadBodyCallback.java:96)
at com.ibm.ws.http.channel.inbound.impl.HttpISCBodyReadCallback.
    error(HttpISCBodyReadCallback.java:95)
at com.ibm.ws.tcp.channel.impl.ZAioTCPReadRequestContextImpl.
    readCompleted(ZAioTCPReadRequestContextImpl.java:748)
at com.ibm.ws.tcp.channel.impl.ZAioTCPConnLink.
    readCompleted(ZAioTCPConnLink.java:1134)
at com.ibm.ws.tcp.channel.impl.ZAioTCPChannel.
    readCompleted(ZAioTCPChannel.java:906)
at com.ibm.ws.tcp.channel.impl.ZAioTCPChannelCPPUtilities.
    readCompleted(ZAioTCPChannelCPPUtilities.java:170)

Local fix

Setting protocol_http_timeout_output_recovery=SESSION will not
prevent the file transfer from failing, but it will keep the
servant from ABENDing.  This setting can potentially lead to
other problems.  Refer to the description of
protocol_http_timeout_output_recovery in the infocenter at
http://www14.software.ibm.com/webapp/wsbroker/redirect?version=c
ompass&product=was-nd-zos&topic=rtrb_controllingtimeout

Problem summary

****************************************************************
* USERS AFFECTED:  All users of IBM WebSphere Application      *
*                  Server V7.0 and V8.0                        *
****************************************************************
* PROBLEM DESCRIPTION: Servant is ABENDed with SEC3 reason     *
*                      04130007 when the client side payload   *
*                      read is timed out.                      *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
An Internal controller region flag is not set correctly when
client side timed out and it causes servant being ABENDed with
SEC3 error.

Problem conclusion

In the fix a controller region internal flag is corrected.

APAR PM44593 is currently targeted for inclusion in
Service Level 7.0.0.21 and 8.0.0.2 of WebSphere
Application Server.

Please refer to URL:
//www.ibm.com/support/docview.wss?rs=404&uid=swg27006970
for Fix Pack availability.

Temporary fix

Comments

APAR Information

APAR number
PM44593
Reported component name
WEBSPHERE FOR Z
Reported component ID
5655I3500
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-07-28
Closed date
2011-09-12
Last modified date
2012-02-03

APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name
WEBSPHERE FOR Z
Fixed component ID
5655I3500

Applicable component levels

R700 PSY UK74996
UP12/01/18 P 1201

Fix is available

Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS7K4U","label":"WebSphere Application Server for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
27 October 2021

Tips

PM44593: CR HANGS WHEN CLIENT SIDE CONNECTION IS ABORTED WHEN UPLOADING LARGE PAYLOAD.

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Fix information

Fixed component name

Fixed component ID

Applicable component levels

R700 PSY UK74996

Fix is available

Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

Document Information

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