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From Mark Heppner <heppner.m...@gmail.com>
Subject Re: Phoenix database adapter for Python not working
Date Fri, 16 Dec 2016 19:16:05 GMT
There are full instructions on the docs about the query server and config
options:
    https://phoenix.apache.org/server.html


On Fri, Dec 16, 2016 at 2:10 PM, Cui Lin <icecreamlc426@gmail.com> wrote:

> Hello, Will,
>
> I was hopeless for couple of days on this, and you are my life saver!
> It works by starting the query server. it is working on both my cloudera
> cluster and standalone hbase clusters.
>
> I haven't seen any instructions on starting the query server. This is
> indeed a critical procedure!
> Thanks a million for your help!!!
>
> On Fri, Dec 16, 2016 at 10:55 AM, Will Xu <wxu@hortonworks.com> wrote:
>
>> Hmm, maybe the e-mail earlier didn't go through...
>>
>> Connection error at :8765, this means you probably don't have Phoenix
>> query server started.
>> I'm not a cloudera distro expert, but I assume you can locate this file
>> "queryserver.py"
>>
>> Run
>> $>sudo ./queryserver.py start
>>
>> And try curl again.
>>
>> For more details:
>> https://phoenix.apache.org/server.html​
>>
>> Phoenix and Phoenix query server are 2 different things.
>>
>> Think Phoenix query server as a phoenix client. sqlline-thin depends on
>> phoenix query server.  sqlline depends on Phoenix.
>> ​
>> Thus, when you use sqlline, you connect to zk node, which is zk:2181 and
>> when you use sqlline-thin (or python client), you connect to phoenix query
>> server, which usually sits at 8765.
>>
>> Regards,
>> Will
>>
>>
>> ------------------------------
>> *From:* Cui Lin <icecreamlc426@gmail.com>
>> *Sent:* Friday, December 16, 2016 10:47 AM
>> *To:* user@phoenix.apache.org
>> *Subject:* Re: Phoenix database adapter for Python not working
>>
>>  pip freeze | grep phoenixdb
>> phoenixdb==0.5
>>
>> so the connector's version is right.
>>
>> On Fri, Dec 16, 2016 at 10:46 AM, Cui Lin <icecreamlc426@gmail.com>
>> wrote:
>>
>>> sqlline-thin.py does not work either. Did I have anything missing? I can
>>> run
>>> /sqlline.py localhost:2181:hbase without any problem.
>>>
>>>
>>>
>>> # ./sqlline-thin.py http://localhost:8765
>>> Failed to find hbase executable on PATH, defaulting serialization to
>>> PROTOBUF.
>>> Setting property: [incremental, false]
>>> Setting property: [isolation, TRANSACTION_READ_COMMITTED]
>>> issuing: !connect jdbc:phoenix:thin:url=http://l
>>> ocalhost:8765;serialization=PROTOBUF none none
>>> org.apache.phoenix.queryserver.client.Driver
>>> Connecting to jdbc:phoenix:thin:url=http://l
>>> ocalhost:8765;serialization=PROTOBUF
>>> java.lang.RuntimeException: org.apache.calcite.avatica.org
>>> .apache.http.conn.HttpHostConnectException: Connect to localhost:8765
>>> [localhost/127.0.0.1] failed: Connection refused (Connection refused)
>>> at org.apache.calcite.avatica.remote.AvaticaCommonsHttpClientIm
>>> pl.send(AvaticaCommonsHttpClientImpl.java:143)
>>> at org.apache.calcite.avatica.remote.RemoteProtobufService._app
>>> ly(RemoteProtobufService.java:44)
>>> at org.apache.calcite.avatica.remote.ProtobufService.apply(Prot
>>> obufService.java:81)
>>> at org.apache.calcite.avatica.remote.Driver.connect(Driver.java:175)
>>> at sqlline.DatabaseConnection.connect(DatabaseConnection.java:157)
>>> at sqlline.DatabaseConnection.getConnection(DatabaseConnection.java:203)
>>> at sqlline.Commands.connect(Commands.java:1064)
>>> at sqlline.Commands.connect(Commands.java:996)
>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
>>> ssorImpl.java:62)
>>> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
>>> thodAccessorImpl.java:43)
>>> at java.lang.reflect.Method.invoke(Method.java:498)
>>> at sqlline.ReflectiveCommandHandler.execute(ReflectiveCommandHa
>>> ndler.java:36)
>>> at sqlline.SqlLine.dispatch(SqlLine.java:803)
>>> at sqlline.SqlLine.initArgs(SqlLine.java:588)
>>> at sqlline.SqlLine.begin(SqlLine.java:656)
>>> at sqlline.SqlLine.start(SqlLine.java:398)
>>> at sqlline.SqlLine.main(SqlLine.java:292)
>>> at org.apache.phoenix.queryserver.client.SqllineWrapper.main(Sq
>>> llineWrapper.java:83)
>>> Caused by: org.apache.calcite.avatica.org.apache.http.conn.HttpHostConnectException:
>>> Connect to localhost:8765 [localhost/127.0.0.1] failed: Connection
>>> refused (Connection refused)
>>> at org.apache.calcite.avatica.org.apache.http.impl.conn.Default
>>> HttpClientConnectionOperator.connect(DefaultHttpClientConnec
>>> tionOperator.java:158)
>>> at org.apache.calcite.avatica.org.apache.http.impl.conn.Pooling
>>> HttpClientConnectionManager.connect(PoolingHttpClientConnect
>>> ionManager.java:353)
>>> at org.apache.calcite.avatica.org.apache.http.impl.execchain.Ma
>>> inClientExec.establishRoute(MainClientExec.java:380)
>>> at org.apache.calcite.avatica.org.apache.http.impl.execchain.Ma
>>> inClientExec.execute(MainClientExec.java:236)
>>> at org.apache.calcite.avatica.org.apache.http.impl.execchain.Pr
>>> otocolExec.execute(ProtocolExec.java:184)
>>> at org.apache.calcite.avatica.org.apache.http.impl.execchain.Re
>>> tryExec.execute(RetryExec.java:88)
>>> at org.apache.calcite.avatica.org.apache.http.impl.execchain.Re
>>> directExec.execute(RedirectExec.java:110)
>>> at org.apache.calcite.avatica.org.apache.http.impl.client.Inter
>>> nalHttpClient.doExecute(InternalHttpClient.java:184)
>>> at org.apache.calcite.avatica.org.apache.http.impl.client.Close
>>> ableHttpClient.execute(CloseableHttpClient.java:82)
>>> at org.apache.calcite.avatica.remote.AvaticaCommonsHttpClientIm
>>> pl.send(AvaticaCommonsHttpClientImpl.java:131)
>>> ... 18 more
>>> Caused by: java.net.ConnectException: Connection refused (Connection
>>> refused)
>>> at java.net.PlainSocketImpl.socketConnect(Native Method)
>>> at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSock
>>> etImpl.java:350)
>>> at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPl
>>> ainSocketImpl.java:206)
>>> at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocket
>>> Impl.java:188)
>>> at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
>>> at java.net.Socket.connect(Socket.java:589)
>>> at org.apache.calcite.avatica.org.apache.http.conn.socket.Plain
>>> ConnectionSocketFactory.connectSocket(PlainConnectionSocketF
>>> actory.java:74)
>>> at org.apache.calcite.avatica.org.apache.http.impl.conn.Default
>>> HttpClientConnectionOperator.connect(DefaultHttpClientConnec
>>> tionOperator.java:141)
>>> ... 27 more
>>> sqlline version 1.1.9
>>> 0: jdbc:phoenix:thin:url=http://localhost:876>
>>>
>>> On Fri, Dec 16, 2016 at 10:42 AM, Cui Lin <icecreamlc426@gmail.com>
>>> wrote:
>>>
>>>> Hi Will,
>>>>
>>>>  curl http://localhost:8765
>>>> curl: (7) Failed to connect to localhost port 8765: Connection refused
>>>>
>>>> How I open this connection?
>>>>
>>>>
>>>>
>>>> On Fri, Dec 16, 2016 at 10:38 AM, Will Xu <wxu@hortonworks.com> wrote:
>>>>
>>>>> A few things.
>>>>>
>>>>> 1. Are you on 0.5 version of the connector?
>>>>>
>>>>> $>pip freeze | grep phoenixdb
>>>>>
>>>>> Should be==> phoenixdb==0.5
>>>>>
>>>>>
>>>>> 2. Can you try curl http://localhost:8765 to see if the server is
>>>>> actually running? If you open the page in browser you should see a Jetty
>>>>> 404 page.
>>>>>
>>>>>
>>>>> PQS is a think wrapper around Phoenix client. It's actually a service.
>>>>> If you have sqlline-thin client you can test it out.
>>>>>
>>>>> $>bin/sqlline-thin.py http://localhost:8765
>>>>>
>>>>> Regards,
>>>>> Will
>>>>> ------------------------------
>>>>> *From:* Cui Lin <icecreamlc426@gmail.com>
>>>>> *Sent:* Friday, December 16, 2016 10:29 AM
>>>>> *To:* user@phoenix.apache.org
>>>>> *Subject:* Phoenix database adapter for Python not working
>>>>>
>>>>> I followed the instruction from http://python-phoenixdb.readth
>>>>> edocs.io/en/latest/
>>>>>
>>>>> to connect Hbase in cloudera cluster, but I got the following error
>>>>> below.
>>>>>
>>>>>
>>>>> >>> import phoenixdb
>>>>> >>> database_url = 'http://localhost:8765/'
>>>>> >>> conn = phoenixdb.connect(database_url, autocommit=True)
>>>>> Traceback (most recent call last):
>>>>> File "<stdin>", line 1, in <module>
>>>>> File "/root/anaconda2/lib/python2.7/site-packages/phoenixdb/__init__.py",
>>>>> line 63, in connect
>>>>> client.connect()
>>>>> File "/root/anaconda2/lib/python2.7/site-packages/phoenixdb/avatica.py",
>>>>> line 152, in connect
>>>>> raise errors.InterfaceError('Unable to connect to the specified
>>>>> service', e)
>>>>> phoenixdb.errors.InterfaceError: ('Unable to connect to the specified
>>>>> service', error(111, 'Connection refused'), None, None)
>>>>>
>>>>>
>>>>> I can create table using phoenix-sqlline.py localhost:2181:/hbase or
>>>>> even use ./psql.py to import CSV, why the python adaopter does not work?
>>>>> Could someone give me a simple example that allows the adapter to connect
>>>>> Hbase in Cloudera?
>>>>>
>>>>> I've been trying to find the solution for days... please help!
>>>>>
>>>>>
>>>>> --
>>>>> Best regards!
>>>>>
>>>>> Lin,Cui
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Best regards!
>>>>
>>>> Lin,Cui
>>>>
>>>
>>>
>>>
>>> --
>>> Best regards!
>>>
>>> Lin,Cui
>>>
>>
>>
>>
>> --
>> Best regards!
>>
>> Lin,Cui
>>
>
>
>
> --
> Best regards!
>
> Lin,Cui
>



-- 
Mark Heppner

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