Indeed, mysql-proxy-lua.log shows that the queries coming from mysql client (first 2 entries) do not have the comment, while the queries coming from JDBC driver (last entry) do:
*******************
Intercepted: select @@version_comment limit 1
Processing locally
*******************
Intercepted: SHOW VARIABLES WHERE Variable_name ='language' OR Variable_name = 'net_write_timeout' OR Variable_name = 'interactive_timeout' OR Variable_name = 'wait_timeout' OR Variable_name = 'character_set_client' OR Variable_name = 'character_set_connection' OR Variable_name = 'character_set' OR Variable_name = 'character_set_server' OR Variable_name = 'tx_isolation' OR Variable_name = 'transaction_isolation' OR Variable_name = 'character_set_results' OR Variable_name = 'timezone' OR Variable_name = 'time_zone' OR Variable_name = 'system_time_zone' OR Variable_name = 'lower_case_table_names' OR Variable_name = 'max_allowed_packet' OR Variable_name = 'net_buffer_length' OR Variable_name = 'sql_mode' OR Variable_name = 'query_cache_type' OR Variable_name = 'query_cache_size' OR Variable_name = 'license' OR Variable_name = 'init_connect'
Processing locally
*******************
Intercepted: /* mysql-connector-java-5.1.34 ( Revision: [log in to unmask] ) */SHOW VARIABLES WHERE Variable_name ='language' OR Variable_name = 'net_write_timeout' OR Variable_name = 'interactive_timeout' OR Variable_name = 'wait_timeout' OR Variable_name = 'character_set_client' OR Variable_name = 'character_set_connection' OR Variable_name = 'character_set' OR Variable_name = 'character_set_server' OR Variable_name = 'tx_isolation' OR Variable_name = 'transaction_isolation' OR Variable_name = 'character_set_results' OR Variable_name = 'timezone' OR Variable_name = 'time_zone' OR Variable_name = 'system_time_zone' OR Variable_name = 'lower_case_table_names' OR Variable_name = 'max_allowed_packet' OR Variable_name = 'net_buffer_length' OR Variable_name = 'sql_mode' OR Variable_name = 'query_cache_type' OR Variable_name = 'query_cache_size' OR Variable_name = 'license' OR Variable_name = 'init_connect'
proxy.connection.server.thread_id: 151
Passing query: /* mysql-connector-java-5.1.34(Revision: [log in to unmask]) */SHOW VARIABLES WHERE Variable_name='language' OR Variable_name='net_write_timeout' OR Variable_name='interactive_timeout' OR Variable_name='wait_timeout' OR Variable_name='character_set_client' OR Variable_name='character_set_connection' OR Variable_name='character_set' OR Variable_name='character_set_server' OR Variable_name='tx_isolation' OR Variable_name='transaction_isolation' OR Variable_name='character_set_results' OR Variable_name='timezone' OR Variable_name='time_zone' OR Variable_name='system_time_zone' OR Variable_name='lower_case_table_names' OR Variable_name='max_allowed_packet' OR Variable_name='net_buffer_length' OR Variable_name='sql_mode' OR Variable_name='query_cache_type' OR Variable_name='query_cache_size' OR Variable_name='license' OR Variable_name='init_connect'
Passing hints: "client_dst_name" "134.4.53.236:4040" "server_thread_id" "151" "db" "LSST"
Sendresult -4110
ERROR 4110: Qserv error: 'ParseException:ANTLR parse error:unexpected token: /:'
On Dec 3, 2014, at 1:46 PM, Jacek Becla <[log in to unmask]> wrote:
> I think we understand it, so apparently, mysql client 4.1 and higher
> is stripping out comments (and jdbc does not). The fix that went in
> so far was for cleaning up some left over white spaces that were
> confusing proxy/lua code.
>
> I'll fix that.
>
> Jacek
>
>
>
> On 12/03/2014 12:12 PM, Tatiana Goldina wrote:
>> Here is a test program I am using. It is similar to the one John sent
>> before. The configuration options to the driver are hardcoded in the URL.
>>
>>
>> ------------------------------------------------------------------------
>>
>> Use REPLY-ALL to reply to list
>>
>> To unsubscribe from the QSERV-L list, click the following link:
>> https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=QSERV-L&A=1
>>
>>
>>
>>
>> It requires MySQL JDBC driver, which can be downloaded from here:
>> http://dev.mysql.com/downloads/connector/j/
>>
>> To compile and run:
>> javac TestQserv.java
>> java -cp
>> .:mysql-connector-java-5.1.34/mysql-connector-java-5.1.34-bin.jar TestQserv
>>
>> The options to the driver are here:
>> http://dev.mysql.com/doc/connector-j/en/connector-j-reference-configuration-properties.html
>>
>> Both URL formats
>> "jdbc:mysql://address=(protocol=tcp)(host=lsst-db1.ipac.caltech.edu
>> <http://lsst-db1.ipac.caltech.edu>)(port=4040)(user=qsmaster)/LSST?dumpQueriesOnException=true"
>> and
>> "jdbc:mysql://lsst-db1.ipac.caltech.edu
>> <http://lsst-db1.ipac.caltech.edu>:4040/LSST?user=qsmaster&dumpQueriesOnException=true"
>> produce the same error (Qserv error: 'ParseException:ANTLR parse
>> error:unexpected token: /:') when getting the connection.
>>
>> Thank you very much for your help!
>>
>> Tatiana
>>
>>
>> P.S. No problem executing this command with mysql command line client:
>>
>> >> mysql -h lsst-db1.ipac.caltech.edu
>> <http://lsst-db1.ipac.caltech.edu> -u qsmaster -P 4040 -D
>> LSST --protocol tcp -e "/* mysql-connector-java-5.1.6 ( Revision: xxx )
>> */SHOW VARIABLES WHERE Variable_name ='language' OR Variable_name =
>> 'net_write_timeout' OR Variable_name = 'interactive_timeout' OR
>> Variable_name = 'wait_timeout' OR Variable_name = 'character_set_client'
>> OR Variable_name = 'character_set_connection' OR Variable_name =
>> 'character_set' OR Variable_name = 'character_set_server' OR
>> Variable_name = 'tx_isolation' OR Variable_name =
>> 'transaction_isolation' OR Variable_name = 'character_set_results' OR
>> Variable_name = 'timezone' OR Variable_name = 'time_zone' OR
>> Variable_name = 'system_time_zone' OR Variable_name =
>> 'lower_case_table_names' OR Variable_name = 'max_allowed_packet' OR
>> Variable_name = 'net_buffer_length' OR Variable_name = 'sql_mode' OR
>> Variable_name = 'query_cache_type' OR Variable_name = 'query_cache_size'
>> OR Variable_name = 'init_connect'"
>> +--------------------------+---------------------------------------------------------------+
>> | Variable_name | Value
>> |
>> +--------------------------+---------------------------------------------------------------+
>> | character_set_client | latin1
>> |
>> | character_set_connection | latin1
>> |
>> | character_set_results | latin1
>> |
>> | character_set_server | latin1
>> |
>> | init_connect |
>> |
>> | interactive_timeout | 28800
>> |
>> | language |
>> /home/lsstadm/stack/Linux64/mysql/5.1.65/share/mysql/english/ |
>> | lower_case_table_names | 0
>> |
>> | max_allowed_packet | 1048576
>> |
>> | net_buffer_length | 16384
>> |
>> | net_write_timeout | 60
>> |
>> | query_cache_size | 0
>> |
>> | query_cache_type | ON
>> |
>> | sql_mode |
>> |
>> | system_time_zone | PST
>> |
>> | time_zone | SYSTEM
>> |
>> | tx_isolation | REPEATABLE-READ
>> |
>> | wait_timeout | 28800
>> |
>> +--------------------------+---------------------------------------------------------------+
>>
>>
>>
>>
>> On Dec 3, 2014, at 10:07 AM, Serge Monkewitz <[log in to unmask]
>> <mailto:[log in to unmask]>> wrote:
>>
>>> Monkewitz <[log in to unmask] <mailto:[log in to unmask]>> wrote:
>>>
>>>> Tatiana: forwarding to qserv-l, since I am taking today off to deal
>>>> with family matters. I’ll take a look tomorrow if no-one else has any
>>>> ideas.
>>>>
>>>> For context - connecting to qserv via JDBC still fails, even after
>>>> Jacek’s show variables fix (and fix for the fix).
>>>>
>>>> Begin forwarded message:
>>>>
>>>>> *From:*Tatiana Goldina <[log in to unmask]
>>>>> <mailto:[log in to unmask]>>
>>>>> *Subject:**Re: rebuilding QSERV*
>>>>> *Date:*December 2, 2014 at 4:02:08 PM PST
>>>>> *To:*Serge Monkewitz <[log in to unmask]
>>>>> <mailto:[log in to unmask]>>
>>>>>
>>>>> I am out of clues. I am still getting the same error when connecting
>>>>> through the JDBC driver.
>>>>>
>>>>> jdbc:mysql://lsst-db1.ipac.caltech.edu
>>>>> <http://lsst-db1.ipac.caltech.edu/>:4040/LSST?user=qsmaster&dumpQueriesOnException=true&traceProtocol=true
>>>>>
>>>>> trace is attached. I don't know how to debug it further.
>>>>>
>>>>
>>>> ------------------------------------------------------------------------
>>>>
>>
>>
>> ------------------------------------------------------------------------
>>
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>>
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>>
>
>
>
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