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Posted to user@pig.apache.org by Felipe Gutierrez <fe...@gmail.com> on 2014/02/14 13:50:31 UTC

Error on starting Pig

Hi everyone,

I configured Pig on my Hadoop system, but when I start it I get an error
related to log4j. Am I missing something?

Thanks!


$ pig
log4j:ERROR Could not instantiate class
[org.apache.hadoop.log.metrics.EventCounter].
java.lang.ClassNotFoundException: org.apache.hadoop.log.metrics.EventCounter
        at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:186)
        at org.apache.log4j.helpers.Loader.loadClass(Loader.java:179)
        at
org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:320)
        at
org.apache.log4j.helpers.OptionConverter.instantiateByKey(OptionConverter.java:121)
        at
org.apache.log4j.PropertyConfigurator.parseAppender(PropertyConfigurator.java:664)
        at
org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:647)
        at
org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:544)
        at
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:440)
        at
org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:476)
        at
org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:471)
        at org.apache.log4j.LogManager.<clinit>(LogManager.java:125)
        at org.apache.log4j.Logger.getLogger(Logger.java:105)
        at
org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:229)
        at
org.apache.commons.logging.impl.Log4JLogger.<init>(Log4JLogger.java:65)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
        at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
        at
org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:529)
        at
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:235)
        at
org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:209)
        at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:351)
        at
org.apache.hadoop.conf.Configuration.<clinit>(Configuration.java:152)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:143)
log4j:ERROR Could not instantiate appender named "EventCounter".
2014-02-14 10:45:46,512 [main] INFO  org.apache.pig.Main - Apache Pig
version 0.11.1 (r1459641) compiled Mar 22 2013, 02:13:53
2014-02-14 10:45:46,513 [main] INFO  org.apache.pig.Main - Logging error
messages to: /usr/local/hadoop/pig_1392381946511.log
2014-02-14 10:45:46,541 [main] INFO  org.apache.pig.impl.util.Utils -
Default bootup file /home/hduser/.pigbootup not found
2014-02-14 10:45:46,695 [main] INFO
 org.apache.pig.backend.hadoop.executionengine.HExecutionEngine -
Connecting to hadoop file system at: maprfs:///
2014-02-14 10:45:46,767 [main] INFO
 org.apache.hadoop.util.NativeCodeLoader - Loaded the native-hadoop library
2014-02-14 10:45:46,768 [main] INFO
 org.apache.hadoop.security.JniBasedUnixGroupsMapping - Using
JniBasedUnixGroupsMapping for Group resolution
2014-02-14 10:45:46,853 [main] INFO
 org.apache.pig.backend.hadoop.executionengine.HExecutionEngine -
Connecting to map-reduce job tracker at: maprfs:///
grunt>



-- 



*---- Felipe Oliveira Gutierrez-- Felipe.o.Gutierrez@gmail.com
<Fe...@gmail.com>--
https://sites.google.com/site/lipe82/Home/diaadia
<https://sites.google.com/site/lipe82/Home/diaadia>*