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https://issues.apache.org/jira/browse/LOG4J2-2129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16317776#comment-16317776
]
ASF subversion and git services commented on LOG4J2-2129:
---------------------------------------------------------
Commit 1341bb6690ea2e24a9cd0377523a845f0a466b61 in logging-log4j2's branch
refs/heads/master from [~ralphgoers]
[ https://git-wip-us.apache.org/repos/asf?p=logging-log4j2.git;h=1341bb6 ]
LOG4J2-2129 - Log4j2 throws NoClassDefFoundError in Java 9 in
java.util.ServiceLoader.
> Log4j2 throws NoClassDefFoundError in Java 9
> --------------------------------------------
>
> Key: LOG4J2-2129
> URL: https://issues.apache.org/jira/browse/LOG4J2-2129
> Project: Log4j 2
> Issue Type: Bug
> Components: API
> Affects Versions: 2.10.0, 2.10.1
> Environment: Java 9
> Reporter: Blazej
>
> When I execute a sample project
> (https://github.com/bbucko/log4j2-jpms-sample) in Java 9 a following
> exception is thrown:
> {code}
> Exception in thread "main" java.lang.NoClassDefFoundError: Could not
> initialize class org.apache.logging.log4j.util.PropertiesUtil
> at
> org.apache.logging.log4j/org.apache.logging.log4j.status.StatusLogger.<clinit>(StatusLogger.java:71)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.LogManager.<clinit>(LogManager.java:60)
> {code}
> Exception is a little bit misleading because it seems that true root cause
> can be found here:
> {code}
> java.util.ServiceConfigurationError:
> org.apache.logging.log4j.util.PropertySource: module org.apache.logging.log4j
> does not declare `uses`
> at java.base/java.util.ServiceLoader.fail(ServiceLoader.java:588)
> at java.base/java.util.ServiceLoader.checkCaller(ServiceLoader.java:574)
> at java.base/java.util.ServiceLoader.<init>(ServiceLoader.java:503)
> at java.base/java.util.ServiceLoader.load(ServiceLoader.java:1684)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.util.PropertiesUtil$Environment.<init>(PropertiesUtil.java:319)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.util.PropertiesUtil$Environment.<init>(PropertiesUtil.java:310)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.util.PropertiesUtil.<init>(PropertiesUtil.java:69)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.util.PropertiesUtil.<clinit>(PropertiesUtil.java:49)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.util.Constants.<clinit>(Constants.java:30)
> at java.base/java.lang.Class.forName0(Native Method)
> at java.base/java.lang.Class.forName(Class.java:375)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.spi.AbstractLogger.createClassForProperty(AbstractLogger.java:198)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.spi.AbstractLogger.<clinit>(AbstractLogger.java:88)
> at
> org.apache.logging.log4j/org.apache.logging.log4j.LogManager.<clinit>(LogManager.java:60)
> {code}
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