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POTransaction mediator in wso2esb 4.8.0
 

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  1. POTransaction mediator in wso2esb 4.8.0
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    <p>I'm working with wso2esb 4.8.0 and i go through this scenario which is given in wso2esb documentation.I want to copy the records from first database to second database as soon as i delete them from first database.but when i put the duplicate record it should neither delete from first nor insert into second.</p> <p>my proxy service :</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;proxy xmlns="http://ws.apache.org/ns/synapse" name="Transaction_mediator" transports="https,http" statistics="disable" trace="disable" startOnLoad="true"&gt; &lt;target&gt; &lt;inSequence&gt; &lt;property name="name" expression="//name/text()" scope="default" type="STRING"/&gt; &lt;property name="id" expression="//id/text()" scope="default" type="STRING"/&gt; &lt;property name="price" expression="//price/text()" scope="default" type="STRING"/&gt; &lt;transaction action="new"/&gt; &lt;log level="full"&gt; &lt;property name="text" value="Reporting to the DB1"/&gt; &lt;/log&gt; &lt;dbreport useTransaction="true"&gt; &lt;connection&gt; &lt;pool&gt; &lt;dsName&gt;DS1&lt;/dsName&gt; &lt;/pool&gt; &lt;/connection&gt; &lt;statement&gt; &lt;sql&gt; delete from c1 where name=?&lt;/sql&gt; &lt;parameter expression="get-property('name')" type="VARCHAR"/&gt; &lt;/statement&gt; &lt;/dbreport&gt; &lt;log level="full"&gt; &lt;property name="text" value="Reporting to the DB2"/&gt; &lt;/log&gt; &lt;dbreport useTransaction="true"&gt; &lt;connection&gt; &lt;pool&gt; &lt;dsName&gt;DS2&lt;/dsName&gt; &lt;/pool&gt; &lt;/connection&gt; &lt;statement&gt; &lt;sql&gt; INSERT into c1 values (?,?,?)&lt;/sql&gt; &lt;parameter expression="get-property('name')" type="VARCHAR"/&gt; &lt;parameter expression="get-property('id')" type="INTEGER"/&gt; &lt;parameter expression="get-property('price')" type="INTEGER"/&gt; &lt;/statement&gt; &lt;/dbreport&gt; &lt;transaction action="commit"/&gt; &lt;send/&gt; &lt;/inSequence&gt; &lt;outSequence&gt; &lt;log level="full"/&gt; &lt;send/&gt; &lt;/outSequence&gt; &lt;/target&gt; &lt;description/&gt; &lt;/proxy&gt; </code></pre> <p>It's working but error occurred when i put <strong>duplicate records</strong>.At that time It <strong>deleting</strong> records from first but not inserting into second database.What should i do?is their any solution?let me know.</p>
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    1. USuser3129056
    1. USuser3129056
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    1. COwill you able to paste carbon log here?
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      1. POTransaction mediator in wso2esb 4.8.0
      1. USAnusha Ruwanpathirana
    2. COActually It working but if i put duplicate record then it get delete from first table but not inserting in second table and showing error like : DBReportMediator Error execuring insert statement : INSERT into c1 values (?,?,?) against DataSource : DS2 org.postgresql.util.PSQLException: ERROR: duplicate key value violates unique constraint "c1_pkey" Detail: Key (name)=(SUN) already exists.
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      1. POTransaction mediator in wso2esb 4.8.0
      1. USuser3129056
 

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