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| 2015-10-21 04:59:59 +0200 | commented answer | cosmos node is in safe mode, cannot execute query on hive Yes I noticed. My question has been in moderation for about 10 days. Can I write an email directly to you if the same problem arise in the future? |
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| 2015-10-14 10:23:40 +0200 | asked a question | cosmos node is in safe mode, cannot execute query on hive Hello, since last week when I try to query cosmos cluster with hive I'll get this error. hive> select * from muv_tweet limit 10;
FAILED: RuntimeException org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /tmp/hive-alessio.caiazza/hive_2015-10-12_12-59-27_269_6614332063661032399-1. Name node is in safe mode.
Resources are low on NN. Safe mode must be turned off manually.
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirsInternal(FSNamesystem.java:2140)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:2114)
at org.apache.hadoop.hdfs.server.namenode.NameNode.mkdirs(NameNode.java:892)
at sun.reflect.GeneratedMethodAccessor586.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$1.run(Server.java:1439)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1435)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1278)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1433)
It sounds like a cluster problem and not something strictly related to my query. |
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| 2015-09-30 09:17:58 +0200 | asked a question | cosmos: password reset Hello, how can I reset a password on cosmos.lab.fi-ware.org ? cosmos-gui gives an error if you register with a password containig symbols.
Subsequnt attempts to register trough the web interface will warn that the user already exists, but ssh access will not work. |
| 2015-09-30 08:45:06 +0200 | commented answer | KeyRock & Fiware lab questions Is it possible to know the answer to the second question please? |
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