Hello Hyunsik, thanks for your quick response. I clone the actual github repository and compile the Version by my own. So actual I use the version 0.9.0-Snapshot. After your answer it seems als the bugs exist in the current version? Can you confirm this?
Kind regards, Chris On 25. Juli 2014 18:39:37 MESZ, Hyunsik Choi <[email protected]> wrote: >Hi Christian, > >Above all, thank you for your interest in Tajo. > >The problem seems to be an old bug. >Are you using Tajo 0.9.0? Did you get Tajo via git? > >Best regards, >Hyunsik > >On Fri, Jul 25, 2014 at 9:23 PM, Christian Schwabe ><[email protected]> wrote: >> Hello guys, >> >> this is the first time for me to write to an email list. Sorry for >any wrong >> formatting. >> I am a student of computer science and use the framework Apache Tajo >as part >> of my thesis. However, I have initial teething problems and >unfortunately do >> not know how to remedy them. >> >> First, I want to describe what steps do I do to start Tajo: >> 1) Start Tajo with tajo-start.sh >> 2) Create a new Table >> 3) Start bash tsql >> >> Here details to my table contents which is composed from a csv file: >> >> default> SELECT * from table1; >> id, name, score, type >> ------------------------------- >> 1, abc, 1.1, a >> 2, def, 2.3, b >> 3, ghi, 3.4, c >> 4, jkl, 4.5, d >> 5, mno, 5.6, e >> (5 rows, 0.275 sec, 59 B selected) >> >> Everything seems to work up here. Also substr () or concat () >function. Do I >> use now but the count (*) or sum () I get the following exception: >> >> default> SELECT count(*) FROM table1; >> ERROR: 1 >> java.lang.ArrayIndexOutOfBoundsException: 1 >> at org.apache.tajo.util.BitArray.fromByteBuffer(BitArray.java:84) >> at >org.apache.tajo.storage.RawFile$RawFileScanner.next(RawFile.java:243) >> at >> >org.apache.tajo.engine.planner.physical.SeqScanExec.next(SeqScanExec.java:254) >> at >> >org.apache.tajo.engine.planner.physical.HashAggregateExec.compute(HashAggregateExec.java:51) >> at >> >org.apache.tajo.engine.planner.physical.HashAggregateExec.next(HashAggregateExec.java:87) >> at >> >org.apache.tajo.engine.planner.physical.StoreTableExec.next(StoreTableExec.java:77) >> at org.apache.tajo.worker.Task.run(Task.java:425) >> at org.apache.tajo.worker.TaskRunner$1.run(TaskRunner.java:406) >> at java.lang.Thread.run(Thread.java:744) >> >> >> Can you tell me what I'm doing wrong at this point that I have >neither the >> count (*) still can use sum ()? >> Is this a known problem? Is it fixed? When will it be fixed? How can >I fix >> it myself? I suppose that I have a wrong configuration, although I >have not >> had much konfikuriert. Because I can hardly imagine that such trivial >> functionalities not in my used version 0.9.0 are available. >> >> Kind regards, >> Christian Schwabe
