Weld
  1. Weld
  2. WELD-1109

weld-servlet.jar should NOT contain slf4j (still found in 2.0.0.Alpha1)

    Details

    • Type: Bug Bug
    • Status: Resolved Resolved (View Workflow)
    • Priority: Critical Critical
    • Resolution: Won't Fix Won't Fix
    • Affects Version/s: 2.0.0.Alpha1
    • Fix Version/s: None
    • Component/s: Weld SPI
    • Labels:
    • Environment:
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      Description

      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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            • Assignee:
              Unassigned
              Reporter:
              Andrew Hughes
            • Votes:
              1 Vote for this issue
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