I think I got the error. When I started hive, it will throw mysql key too long exception (only in log file but not in client log, this is very unfriendly IMO )
2015-03-14 14:18:49,588 ERROR [main]: DataNucleus.Datastore (Log4JLogger.java:error(115)) - An exception was thrown while adding/validating class(es) : Specified key was too long; max key length is 767 bytes On Sat, Mar 14, 2015 at 1:44 PM, Jeff Zhang <zjf...@gmail.com> wrote: > It doesn't matter whether I truncate the table, it always hangs there. > Very werid. > > > > On Wed, Mar 11, 2015 at 3:06 PM, Mich Talebzadeh <m...@peridale.co.uk> > wrote: > >> Have you truncated the table before dropping it? I >> >> >> >> Truncate table <table_name> >> >> Drop table <rable_name> >> >> >> >> Mich Talebzadeh >> >> >> >> http://talebzadehmich.wordpress.com >> >> >> >> *Publications due shortly:* >> >> *Creating in-memory Data Grid for Trading Systems with Oracle TimesTen >> and Coherence Cache* >> >> >> >> NOTE: The information in this email is proprietary and confidential. This >> message is for the designated recipient only, if you are not the intended >> recipient, you should destroy it immediately. Any information in this >> message shall not be understood as given or endorsed by Peridale Ltd, its >> subsidiaries or their employees, unless expressly so stated. It is the >> responsibility of the recipient to ensure that this email is virus free, >> therefore neither Peridale Ltd, its subsidiaries nor their employees accept >> any responsibility. >> >> >> >> *From:* Jeff Zhang [mailto:zjf...@gmail.com] >> *Sent:* 11 March 2015 06:56 >> *To:* user@hive.apache.org >> *Subject:* drop table command hang >> >> >> >> I invoke a drop table command and it hangs there. Here's the log. I am >> using mysql and I can invoke describe command and create table through >> mysql console, so I assume mysql works properly. Can anyone help this ? >> Thanks >> >> >> >> >> >> >> >> 2015-03-11 14:48:09,441 INFO [main]: ql.Driver >> (Driver.java:checkConcurrency(161)) - Concurrency mode is disabled, not >> creating a lock manager >> >> 2015-03-11 14:48:09,441 INFO [main]: log.PerfLogger >> (PerfLogger.java:PerfLogBegin(121)) - <PERFLOG method=Driver.execute >> from=org.apache.hadoop.hive.ql.Driver> >> >> 2015-03-11 14:48:09,441 INFO [main]: ql.Driver >> (Driver.java:execute(1321)) - Starting command: drop table >> student_bucketed_s1 >> >> 2015-03-11 14:48:09,441 INFO [main]: log.PerfLogger >> (PerfLogger.java:PerfLogEnd(148)) - </PERFLOG method=TimeToSubmit >> start=1426056489421 end=1426056489441 duration=20 >> from=org.apache.hadoop.hive.ql.Driver> >> >> 2015-03-11 14:48:09,442 INFO [main]: log.PerfLogger >> (PerfLogger.java:PerfLogBegin(121)) - <PERFLOG method=runTasks >> from=org.apache.hadoop.hive.ql.Driver> >> >> 2015-03-11 14:48:09,442 INFO [main]: log.PerfLogger >> (PerfLogger.java:PerfLogBegin(121)) - <PERFLOG method=task.DDL.Stage-0 >> from=org.apache.hadoop.hive.ql.Driver> >> >> 2015-03-11 14:48:09,442 INFO [main]: ql.Driver >> (Driver.java:launchTask(1640)) - Starting task [Stage-0:DDL] in serial mode >> >> 2015-03-11 14:48:09,442 INFO [main]: metastore.HiveMetaStore >> (HiveMetaStore.java:logInfo(743)) - 0: get_table : db=default >> tbl=student_bucketed_s1 >> >> 2015-03-11 14:48:09,443 INFO [main]: HiveMetaStore.audit >> (HiveMetaStore.java:logAuditEvent(368)) - ugi=jzhang ip=unknown-ip-addr >> cmd=get_table : db=default tbl=student_bucketed_s1 >> >> 2015-03-11 14:48:09,458 INFO [main]: metastore.HiveMetaStore >> (HiveMetaStore.java:logInfo(743)) - 0: get_table : db=default >> tbl=student_bucketed_s1 >> >> 2015-03-11 14:48:09,458 INFO [main]: HiveMetaStore.audit >> (HiveMetaStore.java:logAuditEvent(368)) - ugi=jzhang ip=unknown-ip-addr >> cmd=get_table : db=default tbl=student_bucketed_s1 >> >> 2015-03-11 14:48:09,474 INFO [main]: metastore.HiveMetaStore >> (HiveMetaStore.java:logInfo(743)) - 0: drop_table : db=default >> tbl=student_bucketed_s1 >> >> 2015-03-11 14:48:09,474 INFO [main]: HiveMetaStore.audit >> (HiveMetaStore.java:logAuditEvent(368)) - ugi=jzhang ip=unknown-ip-addr >> cmd=drop_table : db=default tbl=student_bucketed_s1 >> >> >> >> >> >> >> -- >> >> Best Regards >> >> Jeff Zhang >> > > > > -- > Best Regards > > Jeff Zhang > -- Best Regards Jeff Zhang
