Hi John, Can you specify the DSS version please ? Are you using .xlsx format excel file for this scenario ?
Thanks Madhawa On Thu, Sep 17, 2015 at 10:05 PM, John Q <[email protected]> wrote: > Hello everybody, > I´m working on a data service that writes some data to an excel file and > it works fine when I try it on the DSS (Data Service Server). Now I am > invoking the service from the ESB and I´m having some issues: > > From the ESB I am invoking the excel service inside an iterate mediator, > all those calls are SUCCESS because after invoking the service, I´m logging > the response and I can see it was SUCCES, also I can see the SUCCESS event > on the soap tracer inside the DSS, it seems like everything it´s ok, but, > when I see the excel file, only one row was created (each service execution > creates a row) and when I invoke again the proxy service in the ESB, I get > this error in the DSS > > Nested Exception:- > > DS Fault Message: Error in opening DBMS connection. > > DS Code: UNKNOWN_ERROR > > Nested Exception:- > > java.sql.SQLException: Error occurred while initializing the EXCEL > datasource > > > > at > org.wso2.carbon.dataservices.core.description.query.SQLQuery.processPreNormalQuery(SQLQuery.java:832) > > at > org.wso2.carbon.dataservices.core.description.query.SQLQuery.runPreQuery(SQLQuery.java:2301) > > at > org.wso2.carbon.dataservices.core.description.query.Query.execute(Query.java:275) > > at > org.wso2.carbon.dataservices.core.engine.CallQuery.executeElement(CallQuery.java:188) > > at > org.wso2.carbon.dataservices.core.engine.OutputElement.execute(OutputElement.java:89) > > at > org.wso2.carbon.dataservices.core.description.operation.Operation.execute(Operation.java:61) > > at > org.wso2.carbon.dataservices.core.engine.DataService.invoke(DataService.java:474) > > at > org.wso2.carbon.dataservices.core.engine.DSOMDataSource.execute(DSOMDataSource.java:96) > > ... 46 more > > Caused by: DS Fault Message: Error in opening DBMS connection. > > DS Code: UNKNOWN_ERROR > > Nested Exception:- > > java.sql.SQLException: Error occurred while initializing the EXCEL > datasource > > > at > org.wso2.carbon.dataservices.core.description.query.SQLQuery.createConnection(SQLQuery.java:752) > > at > org.wso2.carbon.dataservices.core.description.query.SQLQuery.processPreNormalQuery(SQLQuery.java:805) > > ... 53 more > > Caused by: java.sql.SQLException: Error occurred while initializing the > EXCEL datasource > > at > org.wso2.carbon.dataservices.sql.driver.TExcelConnection.createConnectionToExcelDocument(TExcelConnection.java:56) > > at > org.wso2.carbon.dataservices.sql.driver.TExcelConnection.<init>(TExcelConnection.java:36) > > at > org.wso2.carbon.dataservices.sql.driver.TConnectionFactory.createConnection(TConnectionFactory.java:32) > > at org.wso2.carbon.dataservices.sql.driver.TDriver.connect(TDriver.java:50) > > at > org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:278) > > at > org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182) > > at > org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:701) > > at > org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:635) > > at > org.apache.tomcat.jdbc.pool.ConnectionPool.getConnection(ConnectionPool.java:188) > > at > org.apache.tomcat.jdbc.pool.DataSourceProxy.getConnection(DataSourceProxy.java:128) > > at > org.wso2.carbon.dataservices.core.description.config.SQLConfig.createConnection(SQLConfig.java:188) > > at > org.wso2.carbon.dataservices.core.description.query.SQLQuery.createConnection(SQLQuery.java:728) > > ... 54 more > > Caused by: java.io.IOException: Unable to read entire header; 0 bytes > read; expected 512 bytes > > at > org.apache.poi.poifs.storage.HeaderBlock.alertShortRead(HeaderBlock.java:226) > > at > org.apache.poi.poifs.storage.HeaderBlock.readFirst512(HeaderBlock.java:207) > > at org.apache.poi.poifs.storage.HeaderBlock.<init>(HeaderBlock.java:104) > > at > org.apache.poi.poifs.filesystem.POIFSFileSystem.<init>(POIFSFileSystem.java:138) > > at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:322) > > at org.apache.poi.hssf.usermodel.HSSFWorkbook.<init>(HSSFWorkbook.java:303) > > at > org.wso2.carbon.dataservices.sql.driver.TExcelConnection.createConnectionToExcelDocument(TExcelConnection.java:51) > > ... 65 more > > CAN ANYBODY HELP ME? > > > thanks and best regards, > > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- *Madhawa Gunasekara* Software Engineer WSO2 Inc.; http://wso2.com lean.enterprise.middleware mobile: +94 719411002 <+94+719411002> blog: *http://madhawa-gunasekara.blogspot.com <http://madhawa-gunasekara.blogspot.com>* linkedin: *http://lk.linkedin.com/in/mgunasekara <http://lk.linkedin.com/in/mgunasekara>*
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