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https://issues.apache.org/jira/browse/CAY-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikita Timofeev updated CAY-2726:
---------------------------------
Fix Version/s: 5.0-M2
(was: 5.0-M1)
> Confusing error message on commit of mutually dependent entities
> ----------------------------------------------------------------
>
> Key: CAY-2726
> URL: https://issues.apache.org/jira/browse/CAY-2726
> Project: Cayenne
> Issue Type: Bug
> Affects Versions: 4.2.B1
> Reporter: Andrus Adamchik
> Assignee: Nikita Timofeev
> Priority: Minor
> Fix For: 5.0-M2
>
>
> While we are not handling dependency cycles well during commit operation
> ordering, in some cases Cayenne would exhibit a rather confusing behavior,
> preventing a user from identifying the real problem.
> Here is a perfect self-contained (Docker-based) test case to reproduce:
> https://git.rzen.dev/rzen/cayenne-bigint-test
> E1 depends on E2 which depends on E1. When run in a "failure" mode, the
> following warning is printed in the logs, and an unrelated error is thrown. A
> commit between objects creation and establishing a relationship between them
> fixes the issue.
> Wonder if we can detect the cycles better? Ultimately Cayenne itself should
> create the steps to overcome the issue (maybe in 5.0), but at the minimum it
> should not try to use "IdGenerationMarker" as a column value, and throw a
> more explicit exception.
> {noformat}
> [06/Jan/2022:13:05:15,430] main WARN o.a.c.a.t.SerializableTypeFactory:
> Haven't found suitable ExtendedType for class
> 'org.apache.cayenne.access.flush.IdGenerationMarker'. Most likely you need to
> define a custom ExtendedType.
> [06/Jan/2022:13:05:15,430] main WARN o.a.c.a.t.SerializableTypeFactory:
> SerializableType will be used for type conversion.
> [06/Jan/2022:13:05:15,431] main INFO o.a.c.l.JdbcEventLogger: [bind:
> 1->e1_id:org.apache.cayenne.access.flush.IdGenerationMarker@9b5c8e3e,
> 2->text:'e2 #0']
> [06/Jan/2022:13:05:15,439] main INFO o.a.c.l.JdbcEventLogger: *** error.
> java.sql.SQLException: Cannot convert class [B to SQL type requested due to
> com.mysql.cj.exceptions.WrongArgumentException - Conversion from [B to BIGINT
> is not supported.
> at
> com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129)
> at
> com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
> at
> com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
> at
> com.mysql.cj.jdbc.ClientPreparedStatement.setObject(ClientPreparedStatement.java:1684)
> at
> com.zaxxer.hikari.pool.HikariProxyPreparedStatement.setObject(HikariProxyPreparedStatement.java)
> at
> org.apache.cayenne.access.types.ByteArrayType.setJdbcObject(ByteArrayType.java:157)
> at
> org.apache.cayenne.access.types.ByteArrayType.setJdbcObject(ByteArrayType.java:40)
> at
> org.apache.cayenne.access.types.ExtendedTypeDecorator.setJdbcObject(ExtendedTypeDecorator.java:63)
> at
> org.apache.cayenne.dba.JdbcAdapter.bindParameter(JdbcAdapter.java:566)
> at
> org.apache.cayenne.dba.mysql.MySQLAdapter.bindParameter(MySQLAdapter.java:233)
> at
> org.apache.cayenne.dba.AutoAdapter.bindParameter(AutoAdapter.java:222)
> at org.apache.cayenne.access.jdbc.BatchAction.bind(BatchAction.java:62)
> at
> org.apache.cayenne.access.jdbc.BatchAction.runAsIndividualQueries(BatchAction.java:194)
> at
> org.apache.cayenne.access.jdbc.BatchAction.performAction(BatchAction.java:93)
> at
> org.apache.cayenne.access.DataNodeQueryAction.runQuery(DataNodeQueryAction.java:97)
> at org.apache.cayenne.access.DataNode.performQueries(DataNode.java:273)
> at
> org.apache.cayenne.access.flush.DefaultDataDomainFlushAction.lambda$executeQueries$6(DefaultDataDomainFlushAction.java:177)
> at java.base/java.util.HashMap.forEach(HashMap.java:1337)
> at
> org.apache.cayenne.access.flush.DefaultDataDomainFlushAction.executeQueries(DefaultDataDomainFlushAction.java:176)
> at
> org.apache.cayenne.access.flush.DefaultDataDomainFlushAction.flush(DefaultDataDomainFlushAction.java:89)
> at org.apache.cayenne.access.DataDomain.onSyncFlush(DataDomain.java:637)
> at
> org.apache.cayenne.access.DataDomain.onSyncNoFilters(DataDomain.java:609)
> at
> org.apache.cayenne.access.DataDomain$DataDomainSyncFilterChain.onSync(DataDomain.java:835)
> at
> org.apache.cayenne.tx.TransactionFilter.lambda$onSync$0(TransactionFilter.java:61)
> at
> org.apache.cayenne.tx.DefaultTransactionManager$BaseTransactionHandler.performInTransaction(DefaultTransactionManager.java:180)
> at
> org.apache.cayenne.tx.DefaultTransactionManager$BaseTransactionHandler.performInNewTransaction(DefaultTransactionManager.java:152)
> at
> org.apache.cayenne.tx.DefaultTransactionManager$NestedTransactionHandler.handle(DefaultTransactionManager.java:95)
> at
> org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:62)
> at
> org.apache.cayenne.tx.DefaultTransactionManager.performInTransaction(DefaultTransactionManager.java:40)
> at
> org.apache.cayenne.tx.TransactionFilter.onSync(TransactionFilter.java:61)
> at
> org.apache.cayenne.access.DataDomain$DataDomainSyncFilterChain.onSync(DataDomain.java:834)
> at org.apache.cayenne.access.DataDomain.onSync(DataDomain.java:596)
> at
> org.apache.cayenne.access.DataContext.flushToParent(DataContext.java:737)
> at
> org.apache.cayenne.access.DataContext.commitChanges(DataContext.java:686)
> at test.TestCase.runTest(TestCase.java:27)
> {noformat}
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