Ran, you will want to debug the classpath that actually launches Kylin.
Find the below lines in kylin.sh and un-comment the second line. It should
print out what you need and you could start from there.
#debug if encounter NoClassDefError
#hbase classpath
Cheers
Yang
On Tue, Jun 14, 2016 at 5:39 PM, 蔡冉 <[email protected]> wrote:
> Hi Yang, I found my issue is similar with the one you resolved before,
> would you suggest the proper resolution? Thanks.
>
> The email thread and your reply before:
>
>
> https://mail-archives.apache.org/mod_mbox/kylin-dev/201508.mbox/%3ccahrce1nxq_r4xjc_vvfsnjwd99yjbj1mft7sj+myf7p165u...@mail.gmail.com%3E
>
> I visited 蜗牛. The problem is caused by HBASE_CLASSPATH being overwritten in
> hbase-config.sh. It's now fixed.
>
> For people who may encounter the same issue, `kylin.sh` exports
> HBASE_CLASSPATH and HBASE_CLASSPATH_PREFIX, then launch tomcat via `hbase`
> command. If the vars get overwritten by some config or env script inside
> `hbase`, you will get class not found issues like this.
>
>
> Regards,
> Ran Cai
>
> 2016-06-13 16:30 GMT+08:00 蔡冉 <[email protected]>:
>
>> Thanks Shaofeng, I checked my chrome console and found below error, and I
>> also found the error in tomcat log
>> kylin/tomcat/logs/localhost.2016-06-13.log, which should be the root cause:
>>
>> org.springframework.web.util.NestedServletException: Handler processing
>> failed; nested exception is java.lang.NoClassDefFoundError:
>> org/apache/hadoop/hive/ql/session/SessionState
>>
>> but I can find hive-exec-1.2.1.jar in the result
>> of find-hive-dependency.sh and the process, is there any other
>> configuration I missed?
>>
>>
>> 2016-06-12 22:05 GMT+08:00 ShaoFeng Shi <[email protected]>:
>>
>>> It seems the request wasn't received by the server at all; Most likely
>>> be a client side or network error; If you're using firefox or chrome,
>>> please press F12 to open the console, and then check whether there is any
>>> JS or HTTP error on the console.
>>>
>>> 2016-06-12 17:08 GMT+08:00 蔡冉 <[email protected]>:
>>>
>>>> I got error 'Oops... Failed to take action.' when trying to load hive
>>>> table in Kylin web ui, and no obvious error could be found in the log file,
>>>> anyone have met the problem before?
>>>>
>>>> My environment:
>>>>
>>>> Version:
>>>> hadoop: 2.7.1
>>>> hive: 1.2.1
>>>> hbase: 1.1.2
>>>> kylin: 1.5.2
>>>>
>>>> We have total 20 physical servers in hadoop cluster, including 2
>>>> masters( for HA) and 18 slaves.
>>>>
>>>> Kylin installed in a docker container (for facilitating the test), and
>>>> in this docker container, whole of hadoop, hive and hbase installation dir
>>>> were copied from hadoop cluster servers. Commands like 'hadoop fs -ls',
>>>> 'hive', 'hbase shell' can run and response successfully. Hive use a remote
>>>> mysql server for metastore, the configuration was properly specified in
>>>> hive-site.xml.
>>>>
>>>> Attachment were the log files, any help would be appreciated.
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Best regards,
>>>
>>> Shaofeng Shi
>>>
>>>
>>
>
