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via Google Groups by Joan Balagueró, 11 months ago
java.lang.NullPointerException: activeFileName	at java.util.Objects.requireNonNull(Objects.java:228)	at org.apache.logging.log4j.core.appender.rolling.RolloverDescriptionImpl.(RolloverDescriptionImpl.java:60)	at org.apache.logging.log4j.core.appender.rolling.DirectWriteRolloverStrategy.rollover(DirectWriteRolloverStrategy.java:194)	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:362)	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.rollover(RollingFileManager.java:278)	at org.apache.logging.log4j.core.appender.rolling.RollingFileManager.checkRollover(RollingFileManager.java:218)	at org.apache.logging.log4j.core.appender.RollingFileAppender.append(RollingFileAppender.java:267)	at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)	at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)	at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)	at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)	at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448)	at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433)	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)	at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:403)	at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)	at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)	at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2091)	at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1988)	at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1960)	at com.hazelcast.logging.Log4j2Factory$Log4j2Logger.log(Log4j2Factory.java:59)	at com.hazelcast.logging.LoggingServiceImpl$DefaultLogger.log(LoggingServiceImpl.java:168)	at com.hazelcast.logging.LoggingServiceImpl$DefaultLogger.log(LoggingServiceImpl.java:158)	at com.hazelcast.internal.diagnostics.HealthMonitor$HealthMonitorThread.run(HealthMonitor.java:152)