java.net.UnknownHostException: LOGSTASH_HOST_IS_UNDEFINED: unknown error

GitHub | liweinan0423 | 8 months ago
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Root Cause Analysis

  1. java.net.UnknownHostException

    LOGSTASH_HOST_IS_UNDEFINED: unknown error

    at java.net.Inet6AddressImpl.lookupAllHostAddr()
  2. Java RT
    InetAddress.getByName
    1. java.net.Inet6AddressImpl.lookupAllHostAddr(Native Method)
    2. java.net.InetAddress$2.lookupAllHostAddr(InetAddress.java:928)
    3. java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1323)
    4. java.net.InetAddress.getAllByName0(InetAddress.java:1276)
    5. java.net.InetAddress.getAllByName(InetAddress.java:1192)
    6. java.net.InetAddress.getAllByName(InetAddress.java:1126)
    7. java.net.InetAddress.getByName(InetAddress.java:1076)
    7 frames
  3. Logback Core Module
    SyslogOutputStream.<init>
    1. ch.qos.logback.core.net.SyslogOutputStream.<init>(SyslogOutputStream.java:43)
    1 frame
  4. net.logstash.logback
    LogstashSocketAppender.createOutputStream
    1. net.logstash.logback.appender.LogstashSocketAppender.createOutputStream(LogstashSocketAppender.java:215)
    1 frame
  5. Logback Core Module
    SyslogAppenderBase.start
    1. ch.qos.logback.core.net.SyslogAppenderBase.start(SyslogAppenderBase.java:61)
    1 frame
  6. net.logstash.logback
    LogstashSocketAppender.start
    1. net.logstash.logback.appender.LogstashSocketAppender.start(LogstashSocketAppender.java:43)
    1 frame
  7. Logback Core Module
    GenericConfigurator.doConfigure
    1. ch.qos.logback.core.joran.action.AppenderAction.end(AppenderAction.java:90)
    2. ch.qos.logback.core.joran.spi.Interpreter.callEndAction(Interpreter.java:309)
    3. ch.qos.logback.core.joran.spi.Interpreter.endElement(Interpreter.java:193)
    4. ch.qos.logback.core.joran.spi.Interpreter.endElement(Interpreter.java:179)
    5. ch.qos.logback.core.joran.spi.EventPlayer.play(EventPlayer.java:62)
    6. ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:155)
    7. ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:142)
    8. ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:103)
    9. ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:53)
    9 frames
  8. Logback Classic Module
    ContextInitializer.autoConfig
    1. ch.qos.logback.classic.util.ContextInitializer.configureByResource(ContextInitializer.java:75)
    2. ch.qos.logback.classic.util.ContextInitializer.autoConfig(ContextInitializer.java:150)
    2 frames
  9. SLF4J LOG4J-12 Binding
    StaticLoggerBinder.<clinit>
    1. org.slf4j.impl.StaticLoggerBinder.init(StaticLoggerBinder.java:84)
    2. org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:55)
    2 frames
  10. SLF4J API Module
    LoggerFactory.getLogger
    1. org.slf4j.LoggerFactory.bind(LoggerFactory.java:150)
    2. org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:124)
    3. org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:412)
    4. org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)
    4 frames
  11. Apache Commons Logging
    LogFactory.getLog
    1. org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155)
    2. org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:132)
    3. org.apache.commons.logging.LogFactory.getLog(LogFactory.java:273)
    3 frames
  12. Spring Boot
    SpringApplication.<clinit>
    1. org.springframework.boot.SpringApplication.<clinit>(SpringApplication.java:189)
    1 frame
  13. com.company.app
    Application.main
    1. com.company.app.Application.main(DigitalMeetingApplication.java:12)
    1 frame
  14. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:498)
    4 frames
  15. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)
    1 frame