[ https://jira.qos.ch/browse/SLF4J-201?page=com.atlassian.jira.plugin.system.i... ] Aaron Digulla commented on SLF4J-201: ------------------------------------- Does slf4j still support Java 1.4? If not, this issue can be closed.
Illegal Access to SINGLETON field ---------------------------------
Key: SLF4J-201 URL: https://jira.qos.ch/browse/SLF4J-201 Project: SLF4J Issue Type: Bug Components: log4j-over-slf4j Affects Versions: 1.6.x Environment: Operating System: Windows XP Platform: PC Reporter: David Sills Assignee: SLF4J developers list
While running a JUnit test using SLF4J 1.6.1 under Java 1.4.2, I was unable to proceed because the lines 49-53 of the StaticLoggerBinder in the log4j-over-slf4j JAR file (well, the source for that class) read: /** * The unique instance of this class. * */ private static final StaticLoggerBinder SINGLETON = new StaticLoggerBinder(); The private variable was somehow involved in what the LoggerFactory was doing. Following a suggestion on the web, I replaced this line with: /** * The unique instance of this class. * */ public static final StaticLoggerBinder SINGLETON = new StaticLoggerBinder(); and everything works great. It may be that there's a reason to keep the SINGLETON private, but one cannot use the logger in that case, as the JVM at runtime throws an IllegalAccessException. However, it seems (though I can find no specific reason why this might be the case) that the LoggerFactory must itself be recompiled in conjunction with this change in order to work. It may be that SLF4J 1.6.1 shouldn't run under 1.4.2 (though I see nothing that forbids it), but if it should, this one-line change would make, I would think, a significant difference.
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