I think you should add these notes to the JIRA note as it is not clear from
the note itself. (sorry that this is not helping solving the problem itself
:-))

On Thu, Jul 2, 2015 at 2:06 PM Ophir Cohen <oph...@gmail.com> wrote:

> It does not happen in local mode.
> Actually whenever it works in the same process it works great.
> It looks that somehow Zeppelin jar does not distributed into the nodes.
> Still, it strange as register UDF and the UDF itslef does not need
> ZeppelinContext (at least not explicitly).
>
> And yes, filterdNc is a local table, I just use it to enable me call the
> UDF. you can try that on any table.
>
> On Thu, Jul 2, 2015 at 1:23 PM, IT CTO <goi....@gmail.com> wrote:
>
>> Does this happen on a local mode as well or just on external cluster?
>> with regard to the repro - %sql select getNum() from filteredNc limit 1
>> I guess, filterdNc is some table you have? cause when I tried it on my
>> local machine I got :
>> no such table filteredNc; line 1 pos 21
>> Eran
>>
>> On Thu, Jul 2, 2015 at 12:44 PM Ophir Cohen <oph...@gmail.com> wrote:
>>
>>> Thank you Moon.
>>> Here is the link:
>>> https://issues.apache.org/jira/browse/ZEPPELIN-150
>>>
>>> Please let me know how can I help further more.
>>>
>>> On Thu, Jul 2, 2015 at 2:35 AM, moon soo Lee <m...@apache.org> wrote:
>>>
>>>> Really appreciate for sharing the problem.
>>>> Very interesting. Do you mind file a issue on JIRA?
>>>>
>>>> Best,
>>>> moon
>>>>
>>>> On Tue, Jun 30, 2015 at 4:32 AM Ophir Cohen <oph...@gmail.com> wrote:
>>>>
>>>>> BTW, this isn't working as well:
>>>>>
>>>>>
>>>>>
>>>>> *val sidNameDF = hc.sql("select sid, name from hive_table limit
>>>>> 10")val sidNameDF2 = hc.createDataFrame(sidNameDF.rdd, sidNameDF.schema)
>>>>> sidNameDF2.registerTempTable("tmp_sid_name2")*
>>>>>
>>>>>
>>>>> On Tue, Jun 30, 2015 at 1:45 PM, Ophir Cohen <oph...@gmail.com> wrote:
>>>>>
>>>>>> I've made some progress in this issue and I think it's a bug...
>>>>>>
>>>>>> Apparently, when trying to use registered UDFs on tables that comes
>>>>>> from Hive - it returns the above exception (*ClassNotFoundException:
>>>>>> org.apache.zeppelin.spark.ZeppelinContext*).
>>>>>> When create new table and register it - UDFs works as expected.
>>>>>> You can see below to full details and example.
>>>>>>
>>>>>> Can someone tell if it's the expected behavior or a bug?
>>>>>> BTW
>>>>>> I don't mind to work on that bug - if you can give a pointer to the
>>>>>> right places.
>>>>>>
>>>>>> BTW2
>>>>>> Trying to register the SAME DataFrame as tempTable does not solve the
>>>>>> problem - only creating new table out of new DataFrame (see below).
>>>>>>
>>>>>>
>>>>>> *Detailed example*
>>>>>> 1. I have table in Hive called '*hive_table*' with string field
>>>>>> called *'name'* and int filed called *'sid'*
>>>>>>
>>>>>> 2. I registered a udf:
>>>>>> *def getStr(str: String) = str + "_str"*
>>>>>> *hc.udf.register("getStr", getStr _)*
>>>>>>
>>>>>> 3. Running the following on Zeppelin:
>>>>>> *%sql select getStr(name), * from** hive_table*
>>>>>> yields with excpetion:
>>>>>> *ClassNotFoundException: org.apache.zeppelin.spark.ZeppelinContext*
>>>>>>
>>>>>> 4. Creating new table, as follows:
>>>>>> *case class SidName(sid: Int, name: String)*
>>>>>> *val sidNameList = hc.sql("select sid, name from hive_table limit
>>>>>> 10").collectAsList().map(row => new SidName(row.getInt(0),
>>>>>> row.getString(1)))*
>>>>>> *val sidNameDF = hc.createDataFrame(sidNameList)*
>>>>>> *sidNameDF.registerTempTable("tmp_sid_name")*
>>>>>>
>>>>>> 5. Query the new table in the same fashion:
>>>>>> *%sql select getStr(name), * from tmp_sid_name*
>>>>>>
>>>>>> This time I get the expected results!
>>>>>>
>>>>>>
>>>>>> On Mon, Jun 29, 2015 at 5:16 PM, Ophir Cohen <oph...@gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> BTW
>>>>>>> The same query, on the same cluster but on Spark shell return the
>>>>>>> expected results.
>>>>>>>
>>>>>>> On Mon, Jun 29, 2015 at 3:24 PM, Ophir Cohen <oph...@gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> It looks that Zeppelin jar does not distributed to Spark nodes,
>>>>>>>> though I can't understand why it needed for the UDF.
>>>>>>>>
>>>>>>>> On Mon, Jun 29, 2015 at 3:23 PM, Ophir Cohen <oph...@gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Thanks for the response,
>>>>>>>>> I'm not sure what do you mean, it exactly what I tried and failed.
>>>>>>>>> As I wrote above, 'hc' is actually different name to sqlc (that is
>>>>>>>>> different name to z.sqlContext).
>>>>>>>>>
>>>>>>>>> I get the same results.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Mon, Jun 29, 2015 at 2:12 PM, Mina Lee <mina...@nflabs.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> Hi Ophir,
>>>>>>>>>>
>>>>>>>>>> Can you try below?
>>>>>>>>>>
>>>>>>>>>> def getNum(): Int = {
>>>>>>>>>>     100
>>>>>>>>>> }
>>>>>>>>>> sqlc.udf.register("getNum", getNum _)
>>>>>>>>>> sqlc.sql("select getNum() from filteredNc limit 1").show
>>>>>>>>>>
>>>>>>>>>> FYI sqlContext(==sqlc) is internally created by Zeppelin
>>>>>>>>>> and use hiveContext as sqlContext by default.
>>>>>>>>>> (If you did not change useHiveContext to be "false" in
>>>>>>>>>> interpreter menu.)
>>>>>>>>>>
>>>>>>>>>> Hope it helps.
>>>>>>>>>>
>>>>>>>>>> On Mon, Jun 29, 2015 at 7:55 PM, Ophir Cohen <oph...@gmail.com>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> Guys?
>>>>>>>>>>> Somebody?
>>>>>>>>>>> Can it be that Zeppelin does not support UDFs?
>>>>>>>>>>>
>>>>>>>>>>> On Sun, Jun 28, 2015 at 11:53 AM, Ophir Cohen <oph...@gmail.com>
>>>>>>>>>>> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Hi Guys,
>>>>>>>>>>>> One more problem I have encountered using Zeppelin.
>>>>>>>>>>>> Using Spark 1.3.1 on Yarn Hadoop 2.4
>>>>>>>>>>>>
>>>>>>>>>>>> I'm trying to create and use UDF (hc == z.sqlContext ==
>>>>>>>>>>>> HiveContext):
>>>>>>>>>>>> 1. Create and register the UDF:
>>>>>>>>>>>> def getNum(): Int = {
>>>>>>>>>>>>     100
>>>>>>>>>>>> }
>>>>>>>>>>>>
>>>>>>>>>>>> hc.udf.register("getNum",getNum _)
>>>>>>>>>>>> 2. And I try to use on exist table:
>>>>>>>>>>>> %sql select getNum() from filteredNc limit 1
>>>>>>>>>>>>
>>>>>>>>>>>> Or:
>>>>>>>>>>>> 3. Trying using direct hc:
>>>>>>>>>>>> hc.sql("select getNum() from filteredNc limit 1").collect
>>>>>>>>>>>>
>>>>>>>>>>>> Both of them yield with
>>>>>>>>>>>> *"java.lang.ClassNotFoundException:
>>>>>>>>>>>> org.apache.zeppelin.spark.ZeppelinContext"*
>>>>>>>>>>>> (see below the full exception).
>>>>>>>>>>>>
>>>>>>>>>>>> And my questions is:
>>>>>>>>>>>> 1. Can it be that ZeppelinContext is not available on Spark
>>>>>>>>>>>> nodes?
>>>>>>>>>>>> 2. Why it need ZeppelinContext anyway? Why it's relevant?
>>>>>>>>>>>>
>>>>>>>>>>>> The exception:
>>>>>>>>>>>>  WARN [2015-06-28 08:43:53,850] ({task-result-getter-0}
>>>>>>>>>>>> Logging.scala[logWarning]:71) - Lost task 0.2 in stage 23.0 (TID 
>>>>>>>>>>>> 1626,
>>>>>>>>>>>> ip-10-216-204-246.ec2.internal): java.lang.NoClassDefFoundError:
>>>>>>>>>>>> Lorg/apache/zeppelin/spark/ZeppelinContext;
>>>>>>>>>>>>     at java.lang.Class.getDeclaredFields0(Native Method)
>>>>>>>>>>>>     at java.lang.Class.privateGetDeclaredFields(Class.java:2499)
>>>>>>>>>>>>     at java.lang.Class.getDeclaredField(Class.java:1951)
>>>>>>>>>>>>     at
>>>>>>>>>>>> java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1659)
>>>>>>>>>>>>
>>>>>>>>>>>> <Many more of ObjectStreamClass lines of exception>
>>>>>>>>>>>>
>>>>>>>>>>>> Caused by: java.lang.ClassNotFoundException:
>>>>>>>>>>>> org.apache.zeppelin.spark.ZeppelinContext
>>>>>>>>>>>>     at
>>>>>>>>>>>> org.apache.spark.repl.ExecutorClassLoader.findClass(ExecutorClassLoader.scala:69)
>>>>>>>>>>>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
>>>>>>>>>>>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
>>>>>>>>>>>>     ... 103 more
>>>>>>>>>>>> Caused by: java.lang.ClassNotFoundException:
>>>>>>>>>>>> org.apache.zeppelin.spark.ZeppelinContext
>>>>>>>>>>>>     at java.lang.ClassLoader.findClass(ClassLoader.java:531)
>>>>>>>>>>>>     at
>>>>>>>>>>>> org.apache.spark.util.ParentClassLoader.findClass(ParentClassLoader.scala:26)
>>>>>>>>>>>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
>>>>>>>>>>>>     at
>>>>>>>>>>>> org.apache.spark.util.ParentClassLoader.loadClass(ParentClassLoader.scala:34)
>>>>>>>>>>>>     at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
>>>>>>>>>>>>     at
>>>>>>>>>>>> org.apache.spark.util.ParentClassLoader.loadClass(ParentClassLoader.scala:30)
>>>>>>>>>>>>     at
>>>>>>>>>>>> org.apache.spark.repl.ExecutorClassLoader.findClass(ExecutorClassLoader.scala:64)
>>>>>>>>>>>>     ... 105 more
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>
>

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