Druid cluster going down with :"ERROR [main-EventThread] org.apache.curator.ConnectionState - Authentication failed"

Need help : Druid cluster is goind down with the error “ERROR [main-EventThread] org.apache.curator.ConnectionState - Authentication failed” in coordinator logs and below is the zk logs :
2022-10-31 09:56:10,376 NIOServerCxnFactory.SelectorThread-4 WARN org.apache.logging.log4j.spi.AbstractLogger caught java.lang.OutOfMemoryError logging SimpleMessage: An exception occurred processing Appender FileAppender java.lang.OutOfMemoryError: Java heap space

2022-10-31 09:56:10,211 CommitProcWorkThread-28 WARN org.apache.logging.log4j.spi.AbstractLogger caught java.lang.OutOfMemoryError logging SimpleMessage: An exception occurred processing Appender FileAppender java.lang.OutOfMemoryError: Java heap space

2022-10-31 09:56:11,203 CommitProcWorkThread-27 WARN org.apache.logging.slf4j.Log4jLogger caught java.lang.OutOfMemoryError logging SimpleMessage: Thread Thread[CommitProcWorkThread-27,5,main] died java.lang.OutOfMemoryError: Java heap space

Running [ZooKeeper], logging to [//…/log/zookeeper.log] if no changes made to log4j2.xml
Removing file: Oct 31, 2022 6:40:15 AM var/zk/version-2/snapshot.50005ed99
2022-10-31 09:57:03,550 NIOWorkerThread-94 ERROR An exception occurred processing Appender FileAppender org.apache.logging.log4j.core.appender.AppenderLoggingException: java.lang.OutOfMemoryError: Java heap space
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:165)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:542)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:500)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:483)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82)
at org.apache.logging.log4j.core.Logger.log(Logger.java:161)
at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2205)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2159)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2142)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2017)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1983)
at org.apache.logging.slf4j.Log4jLogger.error(Log4jLogger.java:319)
at org.apache.zookeeper.server.NIOServerCnxnFactory$1.uncaughtException(NIOServerCnxnFactory.java:92)
at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1057)
at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:1052)
at java.lang.Thread.dispatchUncaughtException(Thread.java:1959)
Caused by: java.lang.OutOfMemoryError: Java heap space

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