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<p class="MsoNormal">I am using an API which uses slf4j (it happens to be jcifs-ng, but I don’t think that matters.) When I am able to define my classpath myself, I can call this API with no problem – slf4j finds no bindings and falls back on NOP. But when
I call the API running under a service whose classpath I can’t control, I get this error:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Lucida Console"">java.lang.LinkageError: loader constraint violation: when resolving method "org.slf4j.impl.StaticLoggerBinder.getLoggerFactory()Lorg/slf4j/ILoggerFactory;" the class loader (instance
of chs/api/mgr/local/ExtraJarPluginClassLoader) of the current class, org/slf4j/LoggerFactory, and the class loader (instance of <bootloader>) for the method's defining class, org/slf4j/impl/StaticLoggerBinder, have different Class objects for the type org/slf4j/ILoggerFactory
used in the signature<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Lucida Console""> at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:418)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Lucida Console""> at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Lucida Console""> at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:383)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Lucida Console""> at jcifs.smb.NtlmPasswordAuthenticator.<clinit>(NtlmPasswordAuthenticator.java:58)<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I don’t use sl4j directly. Is there some way I can bind to NOP before I make any calls to the API?<o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Larry Stamper<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">MP9-OCS<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">DISYS (Digital Intelligence Systems)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Consulting Software Engineer<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Cell: (503) 560-7004<o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:larry.stamper@daimler.com"><span style="color:#0563C1">larry.stamper@daimler.com</span></a><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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