我试图运行自定义Python脚本,该脚本导入AWS Glue上的外部纯Python库(psycopg2),但失败。我检查了CloudWatch日志,发现失败的原因是:在AWS中使用纯python外部库时HDFS中的权限错误胶水
Spark在HDFS中的几个文件夹上的权限检查失败,其中一个包含我上传到S3的外部python库(s3:// path /到/ psycopg2),这需要-x权限:
org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=READ_EXECUTE, inode="/user/root/.sparkStaging/application_1507598924170_0002/psycopg2":root:hadoop:drw-r--r--
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:320)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:219)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1728)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1712)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPathAccess(FSDirectory.java:1686)
at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getListingInt(FSDirStatAndListingOp.java:76)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getListing(FSNamesystem.java:4486)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getListing(NameNodeRpcServer.java:999)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getListing(ClientNamenodeProtocolServerSideTranslatorPB.java:634)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1698)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2045)
我确保该库仅包含.py文件作为AWS文件中的说明。
有谁知道出了什么问题?
非常感谢!
你有没有想过这个?我有同样的问题。我的python库目录上的AccessControlException – mattalxndr