Cloudera Community
fish748
user rank
New Contributor

Re: java.lang.NoClassDefFoundError: org/slf4j/impl...

by New Contributor in Support Questions
‎08-03-2017 01:29 AM
‎08-03-2017 01:29 AM
I re-added the entire spark2 service and deployed to all hosts. The output of the command 'alternatives --display spark2-conf' is as below: spark2-conf - status is auto. link currently points to /etc/spark2/conf.cloudera.spark2_on_yarn /opt/cloudera/parcels/SPARK2-2.2.0.cloudera1-1.cdh5.12.0.p0.142354/etc/spark2/conf.dist - priority 10 /etc/spark2/conf.cloudera.spark2_on_yarn - priority 51 Current `best' version is /etc/spark2/conf.cloudera.spark2_on_yarn. I only tried to submit a job on one node before I asked the question, so this time I decided to submit the job on several other nodes. The result is that it seems all other nodes is ok expect for the node I used before. The node I failed is where the spark2's history server is running on, the it's not a zookeeper server node. Is this normal? For my understanding, each node should be available for submitting jobs. ... View more

java.lang.NoClassDefFoundError: org/slf4j/impl/Sta...

by New Contributor in Support Questions
‎08-02-2017 04:47 AM
‎08-02-2017 04:47 AM
I installed cdh 5.11.0, along with spark 2 (according to this doc: https://www.cloudera.com/documentation/spark2/latest/topics/spark2_installing.html). However, when I tried to launch a spark job using spark-submit2, the error below occurred:   Exception in thread "main" java.lang.NoClassDefFoundError: org/slf4j/impl/StaticLoggerBinder at org.apache.spark.internal.Logging$class.initializeLogging(Logging.scala:111) at org.apache.spark.internal.Logging$class.initializeLogIfNecessary(Logging.scala:102) at org.apache.spark.deploy.yarn.ApplicationMaster$.initializeLogIfNecessary(ApplicationMaster.scala:746) at org.apache.spark.internal.Logging$class.log(Logging.scala:46) at org.apache.spark.deploy.yarn.ApplicationMaster$.log(ApplicationMaster.scala:746) at org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:761) at org.apache.spark.deploy.yarn.ExecutorLauncher$.main(ApplicationMaster.scala:795) at org.apache.spark.deploy.yarn.ExecutorLauncher.main(ApplicationMaster.scala) Caused by: java.lang.ClassNotFoundException: org.slf4j.impl.StaticLoggerBinder at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 8 more   I realized there was something wrong with the classpath, but can I fix it with the Cloudera Manager? Or should I go and classpath manually on each nodes? ... View more
Labels:
Contact Me
Online
Offline
Last Visited
‎09-17-2017 11:45 PM
Community Statistics
Member Since ‎08-02-2017 04:51 AM
Last Visited ‎09-17-2017 11:45 PM
Posts 2