Great! .. Thanks, and yeah, having the stacktrace is useful, I see you've already put it.
Cheers, Anjana. On Mon, Dec 1, 2014 at 2:32 PM, Chamila De Alwis <chami...@wso2.com> wrote: > Hi Anjana, > > I created an issue on the JIRA. Please find it here[1]. > > [1] - https://wso2.org/jira/browse/DS-1019 > > > Regards, > Chamila de Alwis > Software Engineer | WSO2 | +94772207163 > Blog: code.chamiladealwis.com > > > > On Mon, Dec 1, 2014 at 2:09 PM, Chamila De Alwis <chami...@wso2.com> > wrote: > >> Hi Anjana, >> >> I compared the sample with my service, and noticed I haven't defined a >> result tag for the query. And it was the cause of the issue. The working >> service is as follows. Thanks for the help! :) >> >> <data name="testMongoService"> >> <config id="capedev-mongo"> >> <property name="mongoDB_servers">172.17.0.4:27017</property> >> <property name="mongoDB_database">TestDB</property> >> <property name="mongoDB_write_concern">NONE</property> >> <property name="mongoDB_read_preference">PRIMARY</property> >> <property name="mongoDB_autoConnectRetry">true</property> >> </config> >> <query id="mongo_find" useConfig="capedev-mongo"> >> <expression>TestCollection.findOne()</expression> >> <result element="Documents" rowName="Document"> >> <element column="document" name="Data" xsdType="string"/> >> </result> >> </query> >> <operation name="mongo_find"> >> <description>mongo find operation</description> >> <call-query href="mongo_find"/> >> </operation> >> <resource method="GET" path="test"> >> <call-query href="mongo_find"/> >> </resource> >> </data> >> >> The stack trace for the NPE I got earlier is as follows. Shall I report >> this anyway? >> >> Caused by: java.lang.NullPointerException >> at >> org.wso2.carbon.dataservices.core.description.query.Query.writeResultEntry(Query.java:396) >> at >> org.wso2.carbon.dataservices.core.description.query.MongoQuery.runQuery(MongoQuery.java:97) >> >> >> >> >> Regards, >> Chamila de Alwis >> Software Engineer | WSO2 | +94772207163 >> Blog: code.chamiladealwis.com >> >> >> >> On Mon, Dec 1, 2014 at 2:02 PM, Anjana Fernando <anj...@wso2.com> wrote: >> >>> Oh I see .. if we get an NPE, that's anyways a bug then. Can you please >>> report this in DSS JIRA [1] (put the log in the console too). Also, do >>> check the MongDB sample we have in the product. That should work. You can >>> compare that and the one you have. The sample is at >>> "$SERVER_ROOT/samples/dbs/mongoDB/MongoDBSampleService.dbs". >>> >>> [1] https://wso2.org/jira/browse/DS >>> >>> Cheers, >>> Anjana. >>> >>> On Mon, Dec 1, 2014 at 1:57 PM, Chamila De Alwis <chami...@wso2.com> >>> wrote: >>> >>>> Hi Anjana, >>>> >>>> I tried that too. :) It resulted in an NPE. >>>> >>>> <soapenv:Fault xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope"; >>>> xmlns:axis2ns43="http://ws.wso2.org/dataservice";> >>>> <soapenv:Code> >>>> <soapenv:Value>axis2ns43:UNKNOWN_ERROR</soapenv:Value> >>>> </soapenv:Code> >>>> <soapenv:Reason> >>>> <soapenv:Text xml:lang="en-US">DS Fault Message: Error in DS non >>>> result invoke. >>>> DS Code: UNKNOWN_ERROR >>>> Nested Exception:- >>>> javax.xml.stream.XMLStreamException: DS Fault Message: Error in >>>> MongoQuery.runQuery: null >>>> DS Code: UNKNOWN_ERROR >>>> Source Data Service:- >>>> Name: testMongoService >>>> Location: /testMongoService.dbs >>>> Description: N/A >>>> Default Namespace: http://ws.wso2.org/dataservice >>>> Current Request Name: mongo_find >>>> Current Params: {} >>>> Nested Exception:- >>>> java.lang.NullPointerException >>>> >>>> </soapenv:Text> >>>> </soapenv:Reason> >>>> <soapenv:Detail> >>>> <axis2ns42:DataServiceFault xmlns:axis2ns42=" >>>> http://ws.wso2.org/dataservice";> >>>> <axis2ns42:current_params>{}</axis2ns42:current_params> >>>> >>>> >>>> <axis2ns42:current_request_name>mongo_find</axis2ns42:current_request_name> >>>> >>>> >>>> <axis2ns42:nested_exception>java.lang.NullPointerException</axis2ns42:nested_exception> >>>> <axis2ns42:source_data_service> >>>> >>>> <axis2ns42:location>/testMongoService.dbs</axis2ns42:location> >>>> <axis2ns42:default_namespace>http://ws.wso2.org/dataservice >>>> </axis2ns42:default_namespace> >>>> <axis2ns42:description>N/A</axis2ns42:description> >>>> >>>> <axis2ns42:data_service_name>testMongoService</axis2ns42:data_service_name> >>>> </axis2ns42:source_data_service> >>>> <axis2ns42:ds_code>UNKNOWN_ERROR</axis2ns42:ds_code> >>>> </axis2ns42:DataServiceFault> >>>> </soapenv:Detail> >>>> </soapenv:Fault> >>>> >>>> >>>> Regards, >>>> Chamila de Alwis >>>> Software Engineer | WSO2 | +94772207163 >>>> Blog: code.chamiladealwis.com >>>> >>>> >>>> >>>> On Mon, Dec 1, 2014 at 1:54 PM, Anjana Fernando <anj...@wso2.com> >>>> wrote: >>>> >>>>> Hi Chamila, >>>>> >>>>> Just use "TestCollection.findOne()" as the query expression, basically >>>>> drop the "db" part. It should work then. >>>>> >>>>> Cheers, >>>>> Anjana. >>>>> >>>>> On Mon, Dec 1, 2014 at 1:38 PM, Chamila De Alwis <chami...@wso2.com> >>>>> wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> I'm trying to query a mongoDb, using the following data service. >>>>>> >>>>>> <data name="testMongoService"> >>>>>> <config id="capedev-mongo"> >>>>>> <property name="mongoDB_servers">172.17.0.4:27017</property> >>>>>> <property name="mongoDB_database">*TestDB*</property> >>>>>> <property name="mongoDB_write_concern">NONE</property> >>>>>> <property name="mongoDB_read_preference">PRIMARY</property> >>>>>> <property name="mongoDB_autoConnectRetry">true</property> >>>>>> </config> >>>>>> <query id="mongo_find" useConfig="capedev-mongo"> >>>>>> <expression>*db.TestCollection.findOne()*</expression> >>>>>> </query> >>>>>> <operation name="mongo_find"> >>>>>> <description>mongo find operation</description> >>>>>> <call-query href="mongo_find"/> >>>>>> </operation> >>>>>> <resource method="GET" path="test"> >>>>>> <call-query href="mongo_find"/> >>>>>> </resource> >>>>>> </data> >>>>>> >>>>>> >>>>>> I can't get data from this service, it fails with the following error >>>>>> message. However I can execute the same expression on the mongo db >>>>>> browser >>>>>> I'm using because I've created the TestDB database and the TestCollection >>>>>> collection. >>>>>> >>>>>> <soapenv:Fault xmlns:soapenv="http://www.w3.org/2003/05/soap-envelope"; >>>>>> xmlns:axis2ns38="http://ws.wso2.org/dataservice";> >>>>>> <soapenv:Code> >>>>>> <soapenv:Value>axis2ns38:UNKNOWN_ERROR</soapenv:Value> >>>>>> </soapenv:Code> >>>>>> <soapenv:Reason> >>>>>> <soapenv:Text xml:lang="en-US">DS Fault Message: Error in DS >>>>>> non result invoke. >>>>>> DS Code: UNKNOWN_ERROR >>>>>> Nested Exception:- >>>>>> javax.xml.stream.XMLStreamException: DS Fault Message: Error in >>>>>> MongoQuery.runQuery: DS Fault Message: *Unknown MongoDB operation >>>>>> 'TestCollection.findOne'* >>>>>> DS Code: UNKNOWN_ERROR >>>>>> >>>>>> DS Code: UNKNOWN_ERROR >>>>>> Source Data Service:- >>>>>> Name: testMongoService >>>>>> Location: /testMongoService.dbs >>>>>> Description: N/A >>>>>> Default Namespace: http://ws.wso2.org/dataservice >>>>>> Current Request Name: mongo_find >>>>>> Current Params: {} >>>>>> Nested Exception:- >>>>>> DS Fault Message: Unknown MongoDB operation 'TestCollection.findOne' >>>>>> DS Code: UNKNOWN_ERROR >>>>>> >>>>>> >>>>>> </soapenv:Text> >>>>>> </soapenv:Reason> >>>>>> <soapenv:Detail> >>>>>> <axis2ns37:DataServiceFault xmlns:axis2ns37=" >>>>>> http://ws.wso2.org/dataservice";> >>>>>> <axis2ns37:current_params>{}</axis2ns37:current_params> >>>>>> >>>>>> >>>>>> <axis2ns37:current_request_name>mongo_find</axis2ns37:current_request_name> >>>>>> <axis2ns37:nested_exception>DS Fault Message: Unknown >>>>>> MongoDB operation 'TestCollection.findOne' >>>>>> DS Code: UNKNOWN_ERROR >>>>>> </axis2ns37:nested_exception> >>>>>> <axis2ns37:source_data_service> >>>>>> >>>>>> <axis2ns37:location>/testMongoService.dbs</axis2ns37:location> >>>>>> <axis2ns37:default_namespace> >>>>>> http://ws.wso2.org/dataservice</axis2ns37:default_namespace> >>>>>> <axis2ns37:description>N/A</axis2ns37:description> >>>>>> >>>>>> <axis2ns37:data_service_name>testMongoService</axis2ns37:data_service_name> >>>>>> </axis2ns37:source_data_service> >>>>>> <axis2ns37:ds_code>UNKNOWN_ERROR</axis2ns37:ds_code> >>>>>> </axis2ns37:DataServiceFault> >>>>>> </soapenv:Detail> >>>>>> </soapenv:Fault> >>>>>> >>>>>> >>>>>> Regards, >>>>>> Chamila de Alwis >>>>>> Software Engineer | WSO2 | +94772207163 >>>>>> Blog: code.chamiladealwis.com >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Dev mailing list >>>>>> Dev@wso2.org >>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> *Anjana Fernando* >>>>> Senior Technical Lead >>>>> WSO2 Inc. | http://wso2.com >>>>> lean . enterprise . middleware >>>>> >>>> >>>> >>> >>> >>> -- >>> *Anjana Fernando* >>> Senior Technical Lead >>> WSO2 Inc. | http://wso2.com >>> lean . enterprise . middleware >>> >> >> > -- *Anjana Fernando* Senior Technical Lead WSO2 Inc. | http://wso2.com lean . enterprise . middleware
_______________________________________________ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev
