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I'm extremely new when it comes to Bonita BPM and I am having troubles connecting to my MySQL database.

I'm getting the following error:

java.lang.reflect.InvocationTargetException org.bonitasoft.engine.bpm.connector.ConnectorExecutionException: USERNAME=install | org.bonitasoft.engine.core.operation.exception.SOperationExecutionException: org.bonitasoft.engine.expression.exception.SExpressionEvaluationException: No value found for mandatory expression 'singleResult' of type Input Expression

I was hoping someone had a bit more experience with this stuff than I do. I've looked around the web but can't find any tutorials for the current version (7.3).

Setup Information:

Driver: com.mysql.jdbc.Driver
URL: jdbc:mysql://localhost:3306/firstdatabase
username:root
password:*******

Query:

SELECT * FROM testing WHERE test_id = 'testingquery';

testing is a table in firstdatabase with one entry and one column. The column is test_id and the one entry is testingquery.

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