hi, all I just upgraded my Hadoop from 2.7.3 to 3.0.0-alpha2. My spark version is 2.0.1. It works well on Hadoop -2.7.3. However, I had this error output of driver log on 3.0.0:
*SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/extend1/yarn-temp/nm-local-dir/usercache/admin/filecache/10/__spark_libs__3353962889587701453.zip/slf4j-log4j12-1.7.16.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/home/admin/hadoop-2.7.1/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings <http://www.slf4j.org/codes.html#multiple_bindings> for an explanation. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] 17/05/09 09:05:57 INFO util.SignalUtils: Registered signal handler for TERM 17/05/09 09:05:57 INFO util.SignalUtils: Registered signal handler for HUP 17/05/09 09:05:57 INFO util.SignalUtils: Registered signal handler for INT 17/05/09 09:05:57 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Exception in thread "main" java.io.IOException: Exception reading /extend1/yarn-temp/nm-local-dir/usercache/admin/appcache/application_1494291953232_0001/container_1494291953232_0001_02_000001/container_tokens at org.apache.hadoop.security.Credentials.readTokenStorageFile(Credentials.java:198) at org.apache.hadoop.security.UserGroupInformation.loginUserFromSubject(UserGroupInformation.java:816) at org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:760) at org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:633) at org.apache.spark.deploy.SparkHadoopUtil.runAsSparkUser(SparkHadoopUtil.scala:65) at org.apache.spark.deploy.yarn.ApplicationMaster$.main(ApplicationMaster.scala:764) at org.apache.spark.deploy.yarn.ExecutorLauncher$.main(ApplicationMaster.scala:787) at org.apache.spark.deploy.yarn.ExecutorLauncher.main(ApplicationMaster.scala) Caused by: java.io.IOException: Unknown version 1 in token storage. at org.apache.hadoop.security.Credentials.readTokenStorageStream(Credentials.java:216) at org.apache.hadoop.security.Credentials.readTokenStorageFile(Credentials.java:195) ... 7 more* Looks like some security reason. PS, I have tried many times and also re-generated the input data, the error is still there. Anyone has this errors before ? Wei
