Andrew Hughes created WELD-1109:
-----------------------------------
Summary: weld-servlet.jar should NOT contain slf4j (still found in
2.0.0.Alpha1)
Key: WELD-1109
URL: https://issues.jboss.org/browse/WELD-1109
Project: Weld
Issue Type: Bug
Components: Weld SPI
Affects Versions: 2.0.0.Alpha1
Environment: WELD-845
Reporter: Andrew Hughes
Priority: Critical
NOTE: This is intentionally a duplicate of WELD-845 (because I believe you
should fix this in BOTH 1.1.7+ and 2.0.0).
Please fix this in v2.0.0, v1.1.x is something others might care to comment
on...
Inheriting weld-servlet-2.0.0.Alpha1.jar or earlier (as a dependency) should
not include the org.slf4j.** classes. Because it precludes the consuming
project from (easily) selecting which slf4j binding they want to use. I
recognise that it is "convenient" to include these classes because they are
quite common in use and maybe also quite necessary for weld. However, it's very
likely to raise slf4j binding collisions
(http://www.slf4j.org/codes.html#multiple_bindings). Especially with other 3rd
party dependencies having their own slf4j dependencies. It's also likely that
this will affect future projects more so than current projects (i.e. this
problem wont simply 'go away'). What would happen if every jar did this????
What if the JRE did this????
Please remove these classes from the artifact, and please include them in the
maven pom.xml as dependencies (this allows an easy <exclusion> for maven users
to fix the slf4j collision).
Warning (using 1.1.7, but 2.0.0.Alpha contains the same classes):
{{
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in
[jar:file:/C:/dev/workspace/workspace3.7/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/acme-project/WEB-INF/lib/slf4j-jdk14-1.6.2.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/C:/dev/workspace/workspace3.7/.metadata/.plugins/org.eclipse.wst.server.core/tmp0/wtpwebapps/acme-project/WEB-INF/lib/weld-servlet-1.1.7.Final.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
}}
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