uCosminexus Application Server, Maintenance and Migration Guide

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Appendix C.1 Cosminexus JPA Provider operation log

This appendix describes the operation log messages that are output by Cosminexus JPA Provider for each category of the log output

Organization of this subsection
(1) When category is SQL
(2) When category is TRANSACTION

(1) When category is SQL

SQL [aa....aa] SQL = bb....bb

aa....aa: Persistence unit name
bb....bb: Issued SQL statement
Description
JPA issues SQL.

SQL [aa....aa] PARAM = bb....bb

aa....aa: Persistence unit name
bb....bb: Set value of ? parameter (place holder)
Description
Sets the value in ? parameter (place holder) of the SQL statement.
Result where the value set to ? parameter (place holder) is converted into a character expression is output in bb....bb. For the character or numeral value the result is output as it is. However, for example, when the binary data is stored in the byte type array of java, the toString method is executed for the byte type array the output is B@f7ba93

SQL [aa....aa] RETURN = bb....bb

aa....aa: Persistence unit name
bb....bb: Return value
Description
Return value of PreparedStatement#executeUpdate(). The return value is the number of lines when the SQL statement is executed. For details, see java.sql.PreparedStatement of Javadoc.

(2) When category is TRANSACTION

TRN [aa....aa] JPA processing was bound to a JTA transaction. (status = bb....bb)

aa....aa: Persistence unit name
bb....bb: Transaction state when bound to JTA transaction
Description
JTA transaction is bounded. Outputs the character string that indicates the transaction state (status). For details about the character string that indicates the status, see javax.transaction.Status of Javadoc.

TRN [aa....aa] A JTA transaction was committed. (status = bb....bb)

aa....aa: Persistence unit name
bb....bb: Transaction state when JTA transaction is concluded
Description
The conclusion of JTA transaction is notified. Outputs the character string that indicates the state (status) where the transaction passed from JTA is concluded. For details about the character string indicating the status, see javax.transaction.Status of Javadoc.

TRN [aa....aa] An EntityTransaction started.

aa....aa: Persistence unit name
Description
EntityTransaction is started.

TRN [aa....aa] An EntityTransaction was committed.

aa....aa: Persistence unit name
Description
EntityTransaction is committed.

TRN [aa....aa] An EntityTransaction was rolled back.

aa....aa: Persistence unit name
Description
EntityTransaction is rolled back.

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