0006223: 404 for META-INF/resources file when a jar in /webapp-jars is replaced with different name

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Category

Severity

Reproducibility

Date Submitted

Last Update

0006223

[Resin]

minor

always

03-26-19 03:54

04-01-19 17:01

Reporter

stbu

View Status

public

Assigned To

ferg

Priority

normal

Resolution

fixed

Platform

Status

closed

Projection

none

OS Version

ETA

none

Fixed in Version

4.0.62

Product Version

4.0.61

Product Build

Summary

0006223: 404 for META-INF/resources file when a jar in /webapp-jars is replaced with different name

Description

We have a jar file placed in $RESIN_HOME/webapp-jars called my-library-1.0.jar and it contains certain css and images in META-INF/resources/ that are accessed by many web-apps on several virtual-hosts.

From time to time we generate a new version of the "my-library" jar with a different filename, remove the old version from webapp-jars and put the new version (!with the new filename) in.

At this time the web-apps are getting stopped and started due to the detected modification. Perfect so far.
However, accessing these META-INF/resources files are now not served any more -> we get a 404 Not Found.

Other content from the .jar file (classes) are working as expected.

Note:
This does not happen when the .jar filename does not change.

See additional information for a way to reproduce the issue.

Steps To Reproduce

Additional Information

## This testcase was performed under Linux (Windows blocked certain delete activities)

* Download fresh Resin-4.0.61

# Setup a new web-app called "/test-meta-inf":
mkdir -p webapps/test-meta-inf

## Setup a dummy folder named 'XXX' in which we will build a .jar file with META-INF/resources content
mkdir -p XXX/META-INF/resources/css

# Generate a dummy.css there with the content "Version 1.0":
echo "Version 1.0" > XXX/META-INF/resources/css/dummy.css

# Generate a my-library-1.0.jar and put it in 'webapp-jars' Folder so that it is shared by all web-apps of all hosts:
cd XXX
jar -cvf ../webapp-jars/my-library-1.0.jar *

# Startup Resin
cd ..
bin/resin.sh start

# Run curl to see that the file is served with 200 and expected content:
curl http://localhost:8080/test-meta-inf/css/dummy.css [^]

#The output will be:
Version 1.0

# Now we prepare an update of this library.
##
echo "Version 1.1" > XXX/META-INF/resources/css/dummy.css

rm webapp-jars/my-library-1.0.jar
cd XXX
jar -cvf ../webapp-jars/my-library-1.1.jar *

# Note: Output of log/jvm-app-0.log during these activities at 10:45:28:
{{{
[19-03-26 10:43:28.864] {main} Resin[id=app-0] started in 2326ms
[19-03-26 10:45:28.513] {resin-44} /tmp/test-meta-inf-resources/resin-4.0.61/webapp-jars has modified jar files
[19-03-26 10:45:28.513] {resin-44} WebApp[production/webapp/default/ROOT] stopping
[19-03-26 10:45:28.571] {resin-29} WebApp[production/webapp/default/ROOT] active
[19-03-26 10:45:28.863] {resin-46} /tmp/test-meta-inf-resources/resin-4.0.61/webapp-jars has modified jar files
[19-03-26 10:45:28.863] {resin-46} WebApp[production/webapp/default/test-meta-inf] stopping
[19-03-26 10:45:28.902] {resin-48} WebApp[production/webapp/default/test-meta-inf] active
}}}

# Run curl again to check for dummy.css
curl http://localhost:8080/test-meta-inf/css/dummy.css [^]

## Now the output is neither "Version 1.0" nor "Version 1.1" it is a 404:
<html>
<head><title>404 Not Found</title></head>
<body>
<h1>404 Not Found</h1>
/test-meta-inf/css/dummy.css was not found on this server.

<hr />
<small>
Resin/4.0.61
Server: 'app-0'
</small>
</body></html>

# Only with a restart it is going to get picked up:
cd ..
bin/resin.sh restart

#
curl http://localhost:8080/test-meta-inf/css/dummy.css [^]

# Output (as expected):
Version 1.1

Attached Files

Relationships

Notes
(0006880) ferg 04-01-19 17:01	server/138h

Issue History
Date Modified	Username	Field	Change
03-26-19 03:54	stbu	New Issue
03-26-19 03:54	stbu	Issue Monitored: stbu
04-01-19 17:01	ferg	Note Added: 0006880
04-01-19 17:01	ferg	Assigned To	=> ferg
04-01-19 17:01	ferg	Status	new => closed
04-01-19 17:01	ferg	Resolution	open => fixed
04-01-19 17:01	ferg	Fixed in Version	=> 4.0.62

Mantis 1.0.0rc3[^]

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