[ https://issues.apache.org/jira/browse/HADOOP-8639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eli Collins moved HDFS-1913 to HADOOP-8639: ------------------------------------------- Component/s: (was: hdfs client) fs Affects Version/s: (was: 0.20.2) Issue Type: Improvement (was: Bug) Key: HADOOP-8639 (was: HDFS-1913) Project: Hadoop Common (was: Hadoop HDFS) > Shell doesn't give specific details about why it can't create a file > -------------------------------------------------------------------- > > Key: HADOOP-8639 > URL: https://issues.apache.org/jira/browse/HADOOP-8639 > Project: Hadoop Common > Issue Type: Improvement > Components: fs > Reporter: Kathleen Ting > Labels: newbie > > It would be a lot more useful to print an error message indicating why that > you can't create the file - e.g. can't create a directory with the name of > the file you're trying to write to. > Also, the log file isn't much better. You'll see exceptions that look like > this: > 2011-04-14 12:29:37,757 WARN > org.apache.hadoop.security.ShellBasedUnixGroupsMapping: got exception trying > to get groups for user ___ > org.apache.hadoop.util.Shell$ExitCodeException: id: ___: No such user > at org.apache.hadoop.util.Shell.runCommand(Shell.java:255) > at org.apache.hadoop.util.Shell.run(Shell.java:182) > at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:375) > at org.apache.hadoop.util.Shell.execCommand(Shell.java:461) > at org.apache.hadoop.util.Shell.execCommand(Shell.java:444) at > org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getUnixGroups(ShellBasedUnixGroupsMapping.java:66) > at > org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getGroups(ShellBasedUnixGroupsMapping.java:43) > at org.apache.hadoop.security.Groups.getGroups(Groups.java:79) > at > org.apache.hadoop.security.UserGroupInformation.getGroupNames(UserGroupInformation.java:1022) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.<init>(FSPermissionChecker.java:50) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:4920) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkTraverse(FSNamesystem.java:4903) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:1878) > at > org.apache.hadoop.hdfs.server.namenode.NameNode.getFileInfo(NameNode.java:795) > at sun.reflect.GeneratedMethodAccessor88.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1416) > at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1412) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1115) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1410) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira