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https://issues.apache.org/jira/browse/FINERACT-1061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17148133#comment-17148133
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Michael Vorburger commented on FINERACT-1061:
---------------------------------------------

The problem here actually isn't in 
{{ProductMixReadPlatformServiceImpl.retrieveAllProductMixes}} but probably that 
{{rs.beforeFirst();}} inside 
{{org.apache.fineract.portfolio.loanproduct.productmix.service.ProductMixReadPlatformServiceImpl.ProductMixDataExtractor.extractData(ResultSet)}}
 ... but I don't understand why that code is "jumping backwards" like that - 
from a quick first look, that doesn't make any sense, to me.

> Operation not allowed for a result set of type ResultSet.TYPE_FORWARD_ONLY in 
> ProductMixReadPlatformServiceImpl.retrieveAllProductMixes()
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FINERACT-1061
>                 URL: https://issues.apache.org/jira/browse/FINERACT-1061
>             Project: Apache Fineract
>          Issue Type: Bug
>            Reporter: Michael Vorburger
>            Priority: Blocker
>              Labels: beginner
>             Fix For: 1.4.0
>
>
> See FINERACT-932 for general background, and fix this problem:
> {code}org.springframework.dao.TransientDataAccessResourceException: 
> PreparedStatementCallback; SQL [Select pm.product_id as productId, lp.name as 
> name from m_product_mix pm join m_product_loan lp on lp.id=pm.product_id 
> group by pm.product_id]; Operation not allowed for a result set of type 
> ResultSet.TYPE_FORWARD_ONLY.; nested exception is java.sql.SQLException: 
> Operation not allowed for a result set of type ResultSet.TYPE_FORWARD_ONLY.
>         at 
> org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate 
> (SQLStateSQLExceptionTranslator.java:110)
>         at 
> org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate
>  (AbstractFallbackSQLExceptionTranslator.java:72)
>         at 
> org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate
>  (AbstractFallbackSQLExceptionTranslator.java:81)
>         at 
> org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate
>  (AbstractFallbackSQLExceptionTranslator.java:81)
>         at org.springframework.jdbc.core.JdbcTemplate.translateException 
> (JdbcTemplate.java:1443)
>         at org.springframework.jdbc.core.JdbcTemplate.execute 
> (JdbcTemplate.java:633)
>         at org.springframework.jdbc.core.JdbcTemplate.query 
> (JdbcTemplate.java:669)
>         at org.springframework.jdbc.core.JdbcTemplate.query 
> (JdbcTemplate.java:700)
>         at org.springframework.jdbc.core.JdbcTemplate.query 
> (JdbcTemplate.java:718)
>         at 
> org.apache.fineract.portfolio.loanproduct.productmix.service.ProductMixReadPlatformServiceImpl.retrieveAllProductMixes
>  (ProductMixReadPlatformServiceImpl.java:82){code}



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