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https://issues.apache.org/jira/browse/KAFKA-1283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14018276#comment-14018276
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Babak Behzad commented on KAFKA-1283:
-------------------------------------
Any progress on this? I am having the same issue!
> Log4jAppender is unable to send the message.
> --------------------------------------------
>
> Key: KAFKA-1283
> URL: https://issues.apache.org/jira/browse/KAFKA-1283
> Project: Kafka
> Issue Type: Bug
> Components: producer
> Affects Versions: 0.8.0
> Environment: ubuntu. eclipse.
> Reporter: Dongkyoung Kim
> Assignee: Jun Rao
> Labels: easyfix
> Fix For: 0.8.0
>
>
> User application can`t send any messages via KafkaLog4jAppender.
> Here is log4j.properties.
> ----------------------------------------------------------------------------------------------
> log4j.rootLogger=INFO, stdout, KAFKA
> log4j.appender.stdout=org.apache.log4j.ConsoleAppender
> log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
> log4j.appender.stdout.layout.ConversionPattern=%5p [%t] (%F:%L) - %m%n
> log4j.appender.KAFKA=kafka.producer.KafkaLog4jAppender
> log4j.appender.KAFKA.layout=org.apache.log4j.PatternLayout
> log4j.appender.KAFKA.layout.ConversionPattern=%-5p: %c - %m%n
> log4j.appender.KAFKA.BrokerList=hnode01:9092
> log4j.appender.KAFKA.Topic=DKTestEvent
> #log4j.appender.KAFKA.SerializerClass=kafka.log4j.AppenderStringEncoder
> ----------------------------------------------------------------------------------------------
> And this is a sample application.
> ----------------------------------------------------------------------------------------------
> import org.apache.log4j.Logger;
> import org.apache.log4j.BasicConfigurator;
> import org.apache.log4j.PropertyConfigurator;
> public class HelloWorld {
> static Logger logger = Logger.getLogger(HelloWorld.class.getName());
> public static void main(String[] args) {
> PropertyConfigurator.configure(args[0]);
> logger.info("Entering application.");
> logger.debug("Debugging!.");
> logger.info("Exiting application.");
> }
> }
> ----------------------------------------------------------------------------------------------
> Since my project is maven project, I attached pom.xml also.
> ----------------------------------------------------------------------------------------------
> <project xmlns="http://maven.apache.org/POM/4.0.0";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
> http://maven.apache.org/xsd/maven-4.0.0.xsd";>
> <modelVersion>4.0.0</modelVersion>
> <groupId>com.my.app</groupId>
> <artifactId>log4-appender</artifactId>
> <version>0.0.1-SNAPSHOT</version>
> <dependencies>
> <dependency>
> <groupId>org.apache.kafka</groupId>
> <artifactId>kafka_2.8.2</artifactId>
> <version>0.8.0</version>
> </dependency>
> <dependency>
> <groupId>log4j</groupId>
> <artifactId>log4j</artifactId>
> <version>1.2.17</version>
> </dependency>
> </dependencies>
> </project>
> ----------------------------------------------------------------------------------------------------------
> And I am getting these error:
> ----------------------------------------------------------------------------------------------
> INFO [main] (Logging.scala:67) - Verifying properties
> INFO [main] (Logging.scala:67) - Property metadata.broker.list is overridden
> to hnode01:9092
> INFO [main] (Logging.scala:67) - Property serializer.class is overridden to
> kafka.serializer.StringEncoder
> INFO [main] (HelloWorld.java:14) - Entering application.
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 0 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 1 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 2 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 3 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 4 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 5 for 1 topic(s)
> Set(DKTestEvent)
> .
> .
> .
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 60 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 61 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (HelloWorld.java:14) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 62 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (Logging.scala:67) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 63 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (Logging.scala:67) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 64 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (Logging.scala:67) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 65 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (Logging.scala:67) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 66 for 1 topic(s)
> Set(DKTestEvent)
> INFO [main] (Logging.scala:67) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 67 for 1 topic(s)
> Set(DKTestEvent)
> .
> .
> .
> INFO [main] (Logging.scala:67) - Fetching metadata from broker
> id:0,host:hnode01,port:9092 with correlation id 534 for 1 topic(s)
> Set(DKTestEvent)
> ERROR [main] (Logging.scala:67) -
> ERROR [main] (Logging.scala:67) -
> ERROR [main] (Logging.scala:67) -
> ERROR [main] (Logging.scala:67) -
> ERROR [main] (Logging.scala:67) -
> ERROR [main] (Logging.scala:67) -
> java.lang.StackOverflowError
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
> at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:643)
> at
> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
> at java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
> at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:323)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:268)
> at
> org.apache.log4j.spi.ThrowableInformation.getThrowableStrRep(ThrowableInformation.java:87)
> at
> org.apache.log4j.spi.LoggingEvent.getThrowableStrRep(LoggingEvent.java:413)
> at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:313)
> at org.apache.log4j.WriterAppender.append(WriterAppender.java:162)
> at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
> at
> org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
> at org.apache.log4j.Category.callAppenders(Category.java:206)
> at org.apache.log4j.Category.forcedLog(Category.java:391)
> at org.apache.log4j.Category.error(Category.java:322)
> at kafka.utils.Logging$$anonfun$swallowError$1.apply(Logging.scala:105)
> at kafka.utils.Logging$$anonfun$swallowError$1.apply(Logging.scala:105)
> at kafka.utils.Utils$.swallow(Utils.scala:189)
> at kafka.utils.Logging$class.swallowError(Logging.scala:105)
> at kafka.utils.Utils$.swallowError(Utils.scala:46)
> at
> kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67)
> at kafka.producer.Producer.send(Producer.scala:76)
> at kafka.producer.KafkaLog4jAppender.append(KafkaLog4jAppender.scala:96)
> at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
> at
> org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
> at org.apache.log4j.Category.callAppenders(Category.java:206)
> at org.apache.log4j.Category.forcedLog(Category.java:391)
> at org.apache.log4j.Category.info(Category.java:666)
> at kafka.utils.Logging$class.info(Logging.scala:67)
> at kafka.client.ClientUtils$.info(ClientUtils.scala:31)
> at kafka.client.ClientUtils$.fetchTopicMetadata(ClientUtils.scala:51)
> at
> kafka.producer.BrokerPartitionInfo.updateInfo(BrokerPartitionInfo.scala:82)
> at
> kafka.producer.async.DefaultEventHandler$$anonfun$handle$1.apply$mcV$sp(DefaultEventHandler.scala:67)
> at kafka.utils.Utils$.swallow(Utils.scala:187)
> at kafka.utils.Logging$class.swallowError(Logging.scala:105)
> at kafka.utils.Utils$.swallowError(Utils.scala:46)
> at
> kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:67)
> at kafka.producer.Producer.send(Producer.scala:76)
> at kafka.producer.KafkaLog4jAppender.append(KafkaLog4jAppender.scala:96)
> at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
> at
> org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:66)
> .
> .
> .
> ----------------------------------------------------------------------------------------------
> I am getting above error continuously if i don`t terminate the program.
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