java.util.ConcurrentModificationException

Stack Overflow | Shashank | 9 months ago
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Root Cause Analysis

  1. java.util.ConcurrentModificationException

    No message provided

    at java.util.ArrayList$Itr.checkForComodification()
  2. Java RT
    ArrayList$Itr.next
    1. java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
    2. java.util.ArrayList$Itr.next(ArrayList.java:851)
    2 frames
  3. Apache Log4j API
    ParameterizedMessage.formatTo
    1. org.apache.logging.log4j.message.ParameterFormatter.appendCollection(ParameterFormatter.java:575)
    2. org.apache.logging.log4j.message.ParameterFormatter.appendPotentiallyRecursiveValue(ParameterFormatter.java:483)
    3. org.apache.logging.log4j.message.ParameterFormatter.recursiveDeepToString(ParameterFormatter.java:429)
    4. org.apache.logging.log4j.message.ParameterFormatter.formatMessage2(ParameterFormatter.java:189)
    5. org.apache.logging.log4j.message.ParameterizedMessage.formatTo(ParameterizedMessage.java:217)
    5 frames
  4. Apache Log4j Core
    Logger.logMessage
    1. org.apache.logging.log4j.core.pattern.MessagePatternConverter.format(MessagePatternConverter.java:65)
    2. org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:38)
    3. org.apache.logging.log4j.core.layout.PatternLayout$PatternSerializer.toSerializable(PatternLayout.java:288)
    4. org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:194)
    5. org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:180)
    6. org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:57)
    7. org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:120)
    8. org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:113)
    9. org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:104)
    10. org.apache.logging.log4j.core.appender.RollingFileAppender.append(RollingFileAppender.java:86)
    11. org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:155)
    12. org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:128)
    13. org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:119)
    14. org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
    15. org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:390)
    16. org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:375)
    17. org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:359)
    18. org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:349)
    19. org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
    20. org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
    20 frames
  5. Apache Log4j API
    AbstractLogger.logIfEnabled
    1. org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2025)
    2. org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1898)
    2 frames
  6. Apache Log4j SLF4J Binding
    Log4jLogger.debug
    1. org.apache.logging.slf4j.Log4jLogger.debug(Log4jLogger.java:129)
    1 frame