[#JBPAPP-366] AJP Connector Threads Hung in CLOSE_WAIT Status

Issue Details (XML | Word)

Key:	JBPAPP-366
Type:	Bug
Status:	Resolved
Resolution:	Done
Priority:	Major
Assignee:	Unassigned
Reporter:	Mike Millson
Votes:	1
Watchers:	4

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JBoss Enterprise Platform App Edition

AJP Connector Threads Hung in CLOSE_WAIT Status

Created: 23/Oct/07 10:19 PM Updated: 28/Jan/08 03:15 PM

Component/s:

App Server

Affects Version/s:

4.2.0.GA , 4.2.0.GA_CP01

Fix Version/s:

4.2.0.GA_CP02

Security Level:

Public (Everyone can see)

Original Estimate:	Unknown	Remaining Estimate:	Unknown	Time Spent:	Unknown
File Attachments:	1. httpd.conf (33 kb) 2. mod_jk.conf (2 kb) 3. patch.txt (1 kb) 4. uriworkermap.properties (0.2 kb) 5. workers.properties (0.8 kb)
Environment:	« Hide 1) Apache 2.2.3 + mod_jk 1.2.21 on RHEL5 Workstation 2) JBoss EAP 4.2.0.GA on RHEL4 3) Both boxes on same subnet 4) Attached httpd.conf, mod_jk.conf, workers.properties, uriworkermap.properties. Show » 1) Apache 2.2.3 + mod_jk 1.2.21 on RHEL5 Workstation 2) JBoss EAP 4.2.0.GA on RHEL4 3) Both boxes on same subnet 4) Attached httpd.conf, mod_jk.conf, workers.properties, uriworkermap.properties.

Affects:	Release Notes
Workaround:	Workaround Exists
Workaround Description:	Use the JbossWeb native component (See http://labs.jboss.com/jbossweb/install/). It provides better performance and it is not affected by the bug.
Help Desk Ticket Reference:	https://na1.salesforce.com/50030000003ifh2

Description

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1) Use out-of-box EAP 4.2.0.GA.
2) Configure Apache + mod_jk to front JBoss (attached config files).
3) Start JBoss:
run.sh -b 192.168.2.12
4) Run test:
ab -n 100 -k -c 10 -t 30 http://localhost/jmx-console/

This produced 5 CLOSE_WAIT ajp connector threads that did not go away.

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Jean-Frederic Clere [29/Oct/07 12:44 PM]

Note that the code to patch is in JBossWeb.

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Ryan Campbell [13/Dec/07 04:43 PM]

Why is this assigned to patch triage? Is there any reason why we wouldn't want this patch?

IE, it doesn't seem to be a feature request or non-cp component upgrade?

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Fernando Nasser [04/Jan/08 11:26 AM]

The JBossWeb is CP02 will be 2.0.0-3.CP05