[
https://issues.apache.org/jira/browse/LOG4J2-1918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ralph Goers closed LOG4J2-1918.
-------------------------------
Resolution: Duplicate
> Issues with log4j2 socket appender - Logs are lost when target application
> closes the tcp connection after idle time
> --------------------------------------------------------------------------------------------------------------------
>
> Key: LOG4J2-1918
> URL: https://issues.apache.org/jira/browse/LOG4J2-1918
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.7, 2.8.1, 2.8.2
> Environment: In our application, we are using log4j2 (2.8.1 version
> jar) framework and SocketAppender (async appender under socket appender) to
> send logs to Splunk ( Enterprise Logging tool) via radware(load balancer)
> using tcp protocol.
> Reporter: Girish
> Original Estimate: 504h
> Remaining Estimate: 504h
>
> We are facing intermittent lost of logs while sending logs to log target
> using log4j2 socket appender in our application. The detailed information is
> as below;
>
> Our environment:
> 1) In our application, we are using log4j2 (2.8.1 version jar) framework and
> SocketAppender (async appender under socket appender) to send logs to Splunk
> ( Enterprise Logging tool) via radware(load balancer).
> 2) So our application connects to Radware over TCPIP socket using
> SocketAppender; Radware is used to load balance load among 4 target Splunk
> servers.
> 3) Radware Server is configured to timeout if connection is idle for one
> minute (configurable at radware and set to 1 minute)
> 4) The configuration of log4j2 config file is as below
>
> {code}
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="trace" monitorInterval="5">
> <Appenders>
> <Socket name="socket" host="10.52.214.26" port="1514"
> reconnectDelayMillis="30000" immediateFail="false" bufferedIo="true"
> bufferSize="204800" protocol="TCP" immediateFlush="false">
> <PatternLayout></PatternLayout>
> </Socket>
> <Async name="SplunkAsync" bufferSize="204800">
> <AppenderRef ref="socket"/>
> </Async>
> </Appenders>
> <Loggers>
> <Root level="warn">
> <AppenderRef ref="SplunkAsync"/>
> </Root>
> <Logger name="SplunkInfoLogger" level="info" additivity="false">
> <AppenderRef ref="SplunkAsync"/>
> </Logger>
> <Logger name="SplunkDebugLogger" level="debug" additivity="false">
> <AppenderRef ref="SplunkAsync"/>
> </Logger>
> <Logger name="SplunkWarnLogger" level="warn" additivity="false">
> <AppenderRef ref="SplunkAsync"/>
> </Logger>
> </Loggers>
> </Configuration>
> {code}
>
> The process/steps of meeting problem:
> 1) Splunk servers, radware server and our application servers are up, and the
> application servers send logs to radware in turn splunk servers successfully.
> 2) As we didn't do any operation, there is no logs come into radware in one
> minute ( 1 minute as we set) and radware breaks the connection between it and
> application server.
> 3) We did an operation so that application server will write one log. However
> nothing happens, This log didn't come into radware and splunk servers at all.
> 4) We did a second operation so that application server will write the second
> log. This time also logs did not come into radware and splunk either.
> 5) After counting for 30 sec (reconnectDelayMillis="30000" in log4j2 config
> file) from first failed log ( i.e the log triggered after radware breaks
> connection) we did a third operation so that application server will write
> the third log. This time SocketAppender works well and this log came into
> radware and splunk servers. This is primarily because application server is
> able to re-establish connection to Radware after 30 sec as
> reconnectDelayMillis="30000"
>
> I would like to know why initial logs are lost which are sent after radware
> connection becomes idle. Ideally, tcp connection created by log4j2 should
> keep the data in buffer when connection is broken and should send data from
> buffer when reconnection is established after 30 secs
> (reconnectDelayMillis="30000" )
>
> We tried setting up parameters like immediateFail="false" bufferedIo="true"
> bufferSize="204800", so that data can be stored in buffer when radware times
> out tcp connection and can be sent later when reconnection to radware is
> established, Unfortunately which is not happening.
>
> Are we missing any configurations because which we are facing this type of
> behaviour or is it known defect.
>
> The similar kind of issue is also observed by others and raised in apache
> jira(https://issues.apache.org/jira/browse/LOG4J2-1311)
> Context Log:
> {code}
> Listening for transport dt_socket at address: 6666
> 2017-05-15 17:27:05.706 1 Using jms interface URL:
> file:/C:/Program%20Files/IBM/IIB/10.0.0.6/server/../common/classes/jms.jar
> 2017-05-15 17:27:05.724 1 Loaded JPLUG
> 2017-05-15 17:27:13.946 49 [15/5/17 17:27:13:397 IST] 00000031
> ObjectGridRAS I CWOBJ2507I: Trace specification is set to *=off=enabled.
> 2017-05-15 17:27:14,671 Thread-39 DEBUG Initializing configuration
> XmlConfiguration[location=C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml]
> 2017-05-15 17:27:14.686 53 2017-05-15 17:27:14,686 Thread-39 DEBUG
> Installed script engines
> 2017-05-15 17:27:14.754 53 2017-05-15 17:27:14,754 Thread-39 DEBUG
> Mozilla Rhino Version: 1.7 release 3 PRERELEASE, Language: ECMAScript,
> Threading: MULTITHREADED, Compile: true, Names: {js, rhino, JavaScript,
> javascript, ECMAScript, ecmascript}
> 2017-05-15 17:27:14.756 53 2017-05-15 17:27:14,756 Thread-39 DEBUG
> PluginManager 'Core' found 107 plugins
> 2017-05-15 17:27:14.757 53 2017-05-15 17:27:14,757 Thread-39 DEBUG
> PluginManager 'Level' found 0 plugins
> 2017-05-15 17:27:14.765 53 2017-05-15 17:27:14,765 Thread-39 DEBUG 1
> starting Log4j2 ConfigurationScheduler threads
> 2017-05-15 17:27:14.769 53 2017-05-15 17:27:14,768 Thread-39 DEBUG
> PluginManager 'Lookup' found 13 plugins
> 2017-05-15 17:27:14.772 53 2017-05-15 17:27:14,772 Thread-39 DEBUG
> Building Plugin[name=layout,
> class=org.apache.logging.log4j.core.layout.PatternLayout].
> 2017-05-15 17:27:14.799 53 2017-05-15 17:27:14,798 Thread-39 TRACE
> TypeConverterRegistry initializing.
> 2017-05-15 17:27:14.800 53 2017-05-15 17:27:14,800 Thread-39 DEBUG
> PluginManager 'TypeConverter' found 23 plugins
> 2017-05-15 17:27:14.834 53 2017-05-15 17:27:14,834 Thread-39 DEBUG
> PatternLayout$Builder(pattern="null", PatternSelector=null,
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml), Replace=null,
> charset="null", alwaysWriteExceptions="null", noConsoleNoAnsi="null",
> header="null", footer="null")
> 2017-05-15 17:27:14.836 53 2017-05-15 17:27:14,836 Thread-39 DEBUG
> PluginManager 'Converter' found 41 plugins
> 2017-05-15 17:27:14.838 53 2017-05-15 17:27:14,838 Thread-39 DEBUG
> Building Plugin[name=appender,
> class=org.apache.logging.log4j.core.appender.SocketAppender].
> 2017-05-15 17:27:14.862 53 2017-05-15 17:27:14,862 Thread-39 DEBUG
> SocketAppender$Builder(advertise="null",
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml),
> connectTimeoutMillis="null", host="10.52.214.26", immediateFail="false",
> port="1514", protocol="TCP", reconnectDelayMillis="30000",
> SslConfiguration=null, bufferedIo="true", bufferSize="204800",
> immediateFlush="false", ignoreExceptions="null", PatternLayout(%m%n),
> name="socket", Filter=null)
> 2017-05-15 17:27:15.053 53 2017-05-15 17:27:15,052 Thread-39 DEBUG
> Starting TcpSocketManager TCP:10.52.214.26:1514
> 2017-05-15 17:27:15.054 53 2017-05-15 17:27:15,054 Thread-39 DEBUG
> Building Plugin[name=AppenderRef,
> class=org.apache.logging.log4j.core.config.AppenderRef].
> 2017-05-15 17:27:15.066 53 2017-05-15 17:27:15,066 Thread-39 DEBUG
> createAppenderRef(ref="socket", level="null", Filter=null)
> 2017-05-15 17:27:15.070 53 2017-05-15 17:27:15,070 Thread-39 DEBUG
> Building Plugin[name=appender,
> class=org.apache.logging.log4j.core.appender.AsyncAppender].
> 2017-05-15 17:27:15.081 53 2017-05-15 17:27:15,081 Thread-39 DEBUG
> AsyncAppender$Builder(={socket}, errorRef="null", blocking="null",
> shutdownTimeout="null", bufferSize="204800", name="SplunkAsync",
> includeLocation="null", Filter=null,
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml),
> ignoreExceptions="null", BlockingQueueFactory=null)
> 2017-05-15 17:27:15.084 53 2017-05-15 17:27:15,083 Thread-39 DEBUG
> Building Plugin[name=appenders,
> class=org.apache.logging.log4j.core.config.AppendersPlugin].
> 2017-05-15 17:27:15.086 53 2017-05-15 17:27:15,085 Thread-39 DEBUG
> createAppenders(={socket, SplunkAsync})
> 2017-05-15 17:27:15.087 53 2017-05-15 17:27:15,087 Thread-39 DEBUG
> Building Plugin[name=AppenderRef,
> class=org.apache.logging.log4j.core.config.AppenderRef].
> 2017-05-15 17:27:15.089 53 2017-05-15 17:27:15,089 Thread-39 DEBUG
> createAppenderRef(ref="SplunkAsync", level="null", Filter=null)
> 2017-05-15 17:27:15.091 53 2017-05-15 17:27:15,090 Thread-39 DEBUG
> Building Plugin[name=root,
> class=org.apache.logging.log4j.core.config.LoggerConfig$RootLogger].
> 2017-05-15 17:27:15.094 53 2017-05-15 17:27:15,094 Thread-39 DEBUG
> createLogger(additivity="null", level="WARN", includeLocation="null",
> ={SplunkAsync}, ={},
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml), Filter=null)
> 2017-05-15 17:27:15.115 53 2017-05-15 17:27:15,113 Thread-39 DEBUG
> Building Plugin[name=AppenderRef,
> class=org.apache.logging.log4j.core.config.AppenderRef].
> 2017-05-15 17:27:15.120 53 2017-05-15 17:27:15,120 Thread-39 DEBUG
> createAppenderRef(ref="SplunkAsync", level="null", Filter=null)
> 2017-05-15 17:27:15.123 53 2017-05-15 17:27:15,123 Thread-39 DEBUG
> Building Plugin[name=logger,
> class=org.apache.logging.log4j.core.config.LoggerConfig].
> 2017-05-15 17:27:15.128 53 2017-05-15 17:27:15,127 Thread-39 DEBUG
> createLogger(additivity="false", level="INFO", name="SplunkInfoLogger",
> includeLocation="null", ={SplunkAsync}, ={},
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml), Filter=null)
> 2017-05-15 17:27:15.130 53 2017-05-15 17:27:15,130 Thread-39 DEBUG
> Building Plugin[name=AppenderRef,
> class=org.apache.logging.log4j.core.config.AppenderRef].
> 2017-05-15 17:27:15.133 53 2017-05-15 17:27:15,132 Thread-39 DEBUG
> createAppenderRef(ref="SplunkAsync", level="null", Filter=null)
> 2017-05-15 17:27:15.134 53 2017-05-15 17:27:15,134 Thread-39 DEBUG
> Building Plugin[name=logger,
> class=org.apache.logging.log4j.core.config.LoggerConfig].
> 2017-05-15 17:27:15.147 53 2017-05-15 17:27:15,146 Thread-39 DEBUG
> createLogger(additivity="false", level="DEBUG", name="SplunkDebugLogger",
> includeLocation="null", ={SplunkAsync}, ={},
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml), Filter=null)
> 2017-05-15 17:27:15.148 53 2017-05-15 17:27:15,148 Thread-39 DEBUG
> Building Plugin[name=AppenderRef,
> class=org.apache.logging.log4j.core.config.AppenderRef].
> 2017-05-15 17:27:15.151 53 2017-05-15 17:27:15,150 Thread-39 DEBUG
> createAppenderRef(ref="SplunkAsync", level="null", Filter=null)
> 2017-05-15 17:27:15.152 53 2017-05-15 17:27:15,152 Thread-39 DEBUG
> Building Plugin[name=logger,
> class=org.apache.logging.log4j.core.config.LoggerConfig].
> 2017-05-15 17:27:15.156 53 2017-05-15 17:27:15,156 Thread-39 DEBUG
> createLogger(additivity="false", level="WARN", name="SplunkWarnLogger",
> includeLocation="null", ={SplunkAsync}, ={},
> Configuration(C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml), Filter=null)
> 2017-05-15 17:27:15.158 53 2017-05-15 17:27:15,157 Thread-39 DEBUG
> Building Plugin[name=loggers,
> class=org.apache.logging.log4j.core.config.LoggersPlugin].
> 2017-05-15 17:27:15.165 53 2017-05-15 17:27:15,165 Thread-39 DEBUG
> createLoggers(={root, SplunkInfoLogger, SplunkDebugLogger, SplunkWarnLogger})
> 2017-05-15 17:27:15.167 53 2017-05-15 17:27:15,167 Thread-39 DEBUG
> Configuration
> XmlConfiguration[location=C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml]
> initialized
> 2017-05-15 17:27:15.169 53 2017-05-15 17:27:15,168 Thread-39 DEBUG
> Starting configuration
> XmlConfiguration[location=C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml]
> 2017-05-15 17:27:15.178 53 2017-05-15 17:27:15,178 Thread-39 DEBUG
> Started configuration
> XmlConfiguration[location=C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml] OK.
> 2017-05-15 17:27:15.180 53 2017-05-15 17:27:15,180 Thread-39 TRACE
> Stopping org.apache.logging.log4j.core.config.DefaultConfiguration@ce510e6c...
> 2017-05-15 17:27:15.181 53 2017-05-15 17:27:15,181 Thread-39 TRACE
> DefaultConfiguration notified 1 ReliabilityStrategies that config will be
> stopped.
> 2017-05-15 17:27:15.184 53 2017-05-15 17:27:15,184 Thread-39 TRACE
> DefaultConfiguration stopping root LoggerConfig.
> 2017-05-15 17:27:15.185 53 2017-05-15 17:27:15,185 Thread-39 TRACE
> DefaultConfiguration notifying ReliabilityStrategies that appenders will be
> stopped.
> 2017-05-15 17:27:15.187 53 2017-05-15 17:27:15,186 Thread-39 TRACE
> DefaultConfiguration stopping remaining Appenders.
> 2017-05-15 17:27:15.188 53 2017-05-15 17:27:15,187 Thread-39 DEBUG
> Shutting down OutputStreamManager SYSTEM_OUT.false.false-1
> 2017-05-15 17:27:15.189 53 2017-05-15 17:27:15,189 Thread-39 DEBUG Shut
> down OutputStreamManager SYSTEM_OUT.false.false-1, all resources released:
> true
> 2017-05-15 17:27:15.190 53 2017-05-15 17:27:15,190 Thread-39 TRACE
> DefaultConfiguration stopped 1 remaining Appenders.
> 2017-05-15 17:27:15.191 53 2017-05-15 17:27:15,191 Thread-39 TRACE
> DefaultConfiguration cleaning Appenders from 1 LoggerConfigs.
> 2017-05-15 17:27:15.193 53 2017-05-15 17:27:15,193 Thread-39 DEBUG
> Stopped org.apache.logging.log4j.core.config.DefaultConfiguration@ce510e6c OK
> 2017-05-15 17:27:15.198 53 2017-05-15 17:27:15,197 Thread-39 TRACE
> Reregistering MBeans after reconfigure.
> Selector=org.apache.logging.log4j.core.selector.ClassLoaderContextSelector@7a7e9cb6
> 2017-05-15 17:27:15.199 53 2017-05-15 17:27:15,199 Thread-39 TRACE
> Reregistering context (1/1): 'c1edad85'
> org.apache.logging.log4j.core.LoggerContext@c1b7efc0
> 2017-05-15 17:27:15.200 53 2017-05-15 17:27:15,200 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85'
> 2017-05-15 17:27:15.202 53 2017-05-15 17:27:15,202 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=StatusLogger'
> 2017-05-15 17:27:15.203 53 2017-05-15 17:27:15,203 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=ContextSelector'
> 2017-05-15 17:27:15.205 53 2017-05-15 17:27:15,205 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=Loggers,name=*'
> 2017-05-15 17:27:15.213 53 2017-05-15 17:27:15,213 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=Appenders,name=*'
> 2017-05-15 17:27:15.215 53 2017-05-15 17:27:15,214 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=AsyncAppenders,name=*'
> 2017-05-15 17:27:15.216 53 2017-05-15 17:27:15,216 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=AsyncLoggerRingBuffer'
> 2017-05-15 17:27:15.218 53 2017-05-15 17:27:15,217 Thread-39 TRACE
> Unregistering but no MBeans found matching
> 'org.apache.logging.log4j2:type=c1edad85,component=Loggers,name=*,subtype=RingBuffer'
> 2017-05-15 17:27:15.220 53 2017-05-15 17:27:15,220 Thread-39 DEBUG
> Registering MBean org.apache.logging.log4j2:type=c1edad85
> 2017-05-15 17:27:15.225 53 2017-05-15 17:27:15,225 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=StatusLogger
> 2017-05-15 17:27:15.234 53 2017-05-15 17:27:15,234 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=ContextSelector
> 2017-05-15 17:27:15.238 53 2017-05-15 17:27:15,237 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=Loggers,name=SplunkWarnLogger
> 2017-05-15 17:27:15.240 53 2017-05-15 17:27:15,240 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=Loggers,name=
> 2017-05-15 17:27:15.242 53 2017-05-15 17:27:15,242 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=Loggers,name=SplunkDebugLogger
> 2017-05-15 17:27:15.243 53 2017-05-15 17:27:15,243 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=Loggers,name=SplunkInfoLogger
> 2017-05-15 17:27:15.246 53 2017-05-15 17:27:15,246 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=Appenders,name=socket
> 2017-05-15 17:27:15.249 53 2017-05-15 17:27:15,249 Thread-39 DEBUG
> Registering MBean
> org.apache.logging.log4j2:type=c1edad85,component=AsyncAppenders,name=SplunkAsync
> 2017-05-15 17:27:15.253 53 2017-05-15 17:27:15,253 Thread-39 TRACE Using
> default SystemClock for timestamps.
> 2017-05-15 17:27:15.255 53 2017-05-15 17:27:15,254 Thread-39 TRACE Using
> DummyNanoClock for nanosecond timestamps.
> 2017-05-15 17:27:15.256 53 2017-05-15 17:27:15,256 Thread-39 DEBUG
> Reconfiguration complete for context[name=c1edad85] at URI
> C:\ProgramData\IBM\MQSI\common\wsrr\log4j2.xml
> (org.apache.logging.log4j.core.LoggerContext@c1b7efc0) with optional
> ClassLoader: null
> 2017-05-15 17:27:15.257 53 2017-05-15 17:27:15,257 Thread-39 DEBUG
> Shutdown hook enabled. Registering a new one.
> 2017-05-15 17:27:15.259 53 2017-05-15 17:27:15,259 Thread-39 DEBUG
> LoggerContext[name=c1edad85,
> org.apache.logging.log4j.core.LoggerContext@c1b7efc0] started OK.
> 2017-05-15 17:27:20.568 49 [15/5/17 17:27:20:558 IST] 00000031
> ManagerAdmin I TRAS0018I: The trace state has changed. The new trace state
> is *=info.
> 2017-05-15 17:29:02.135 56 log4j:WARN No appenders could be found for
> logger (net.sf.ehcache.config.ConfigurationFactory).
> 2017-05-15 17:29:02.136 56 log4j:WARN Please initialize the log4j system
> properly.
> 2017-05-15 17:29:02.136 56 log4j:WARN See
> http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
> 2017-05-15 17:29:07,135 AsyncAppender-SplunkAsync ERROR Unable to write to
> stream TCP:10.52.214.26:1514 for appender socket:
> org.apache.logging.log4j.core.appender.AppenderLoggingException: Error
> writing to TCP:10.52.214.26:1514
> 2017-05-15 17:29:07.137 60 2017-05-15 17:29:07,136
> AsyncAppender-SplunkAsync ERROR An exception occurred processing Appender
> socket org.apache.logging.log4j.core.appender.AppenderLoggingException: Error
> writing to TCP:10.52.214.26:1514
> at
> org.apache.logging.log4j.core.net.TcpSocketManager.write(TcpSocketManager.java:143)
> at
> org.apache.logging.log4j.core.appender.OutputStreamManager.write(OutputStreamManager.java:197)
> at
> org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.writeByteArrayToManager(AbstractOutputStreamAppender.java:185)
> at
> org.apache.logging.log4j.core.appender.SocketAppender.directEncodeEvent(SocketAppender.java:424)
> at
> org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:169)
> at
> org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:160)
> 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.appender.AsyncAppender$AsyncThread.callAppenders(AsyncAppender.java:451)
> at
> org.apache.logging.log4j.core.appender.AsyncAppender$AsyncThread.run(AsyncAppender.java:404)
> Caused by: java.net.SocketException: Unrecognized Windows Sockets error: 0:
> socket write error
> at java.net.SocketOutputStream.socketWrite0(Native Method)
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:125)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:171)
> at
> org.apache.logging.log4j.core.net.TcpSocketManager.write(TcpSocketManager.java:133)
> ... 11 more
> 2017-05-15 17:29:07.361 60 2017-05-15 17:29:07,360
> AsyncAppender-SplunkAsync ERROR Unable to write to stream
> TCP:10.52.214.26:1514 for appender socket:
> org.apache.logging.log4j.core.appender.AppenderLoggingException: Error
> writing to TCP:10.52.214.26:1514
> 2017-05-15 17:29:07.363 60 2017-05-15 17:29:07,361
> AsyncAppender-SplunkAsync ERROR An exception occurred processing Appender
> socket org.apache.logging.log4j.core.appender.AppenderLoggingException: Error
> writing to TCP:10.52.214.26:1514
> at
> org.apache.logging.log4j.core.net.TcpSocketManager.write(TcpSocketManager.java:143)
> at
> org.apache.logging.log4j.core.appender.OutputStreamManager.write(OutputStreamManager.java:197)
> at
> org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.writeByteArrayToManager(AbstractOutputStreamAppender.java:185)
> at
> org.apache.logging.log4j.core.appender.SocketAppender.directEncodeEvent(SocketAppender.java:424)
> at
> org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:169)
> at
> org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:160)
> 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.appender.AsyncAppender$AsyncThread.callAppenders(AsyncAppender.java:451)
> at
> org.apache.logging.log4j.core.appender.AsyncAppender$AsyncThread.run(AsyncAppender.java:404)
> Caused by: java.net.SocketException: Unrecognized Windows Sockets error: 0:
> socket write error
> at java.net.SocketOutputStream.socketWrite0(Native Method)
> at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:125)
> at java.net.SocketOutputStream.write(SocketOutputStream.java:171)
> at
> org.apache.logging.log4j.core.net.TcpSocketManager.write(TcpSocketManager.java:133)
> ... 11 more
> 2017-05-15 17:29:41.801 247 2017-05-15 17:29:41,801
> Log4j2-TcpSocketManager-Reconnector DEBUG Connection to 10.52.214.26:1514
> reestablished.
> 2017-05-15 17:31:37.844 261 2017-05-15 17:31:37,844
> Log4j2-TcpSocketManager-Reconnector DEBUG Connection to 10.52.214.26:1514
> reestablished.
> 2017-05-15 17:36:40.838 60 2017-05-15 17:36:40,837
> AsyncAppender-SplunkAsync ERROR Unable to write to stream
> TCP:10.52.214.26:1514 for appender socket:
> org.apache.logging.log4j.core.appender.AppenderLoggingException: Error
> writing to TCP:10.52.214.26:1514
> 2017-05-15 17:37:10.987 293 2017-05-15 17:37:10,986
> Log4j2-TcpSocketManager-Reconnector DEBUG Connection to 10.52.214.26:1514
> reestablished.
> {code}
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