Home » Eclipse Projects » EclipseLink » SQLServer, IDENTITY and History issue(Problems caused the history customerizer with IDENTITY generator strategy)
| SQLServer, IDENTITY and History issue [message #725227] |
Wed, 14 September 2011 10:06  |
 Sam Ratcliff
Messages: 3
Registered: September 2011 |
Junior Member |
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Hi
I am using MS SQL Server 2008 which is automatically detected by EclipseLink on start up. What I am trying to do is to use a history customiser to maintain the log of a table which has an auto-increment identity column as the primary key. The definition of the table and its corresponding history table:
CREATE TABLE [dbo].[organisation_external_identifier](
[externalIdentifierKey] [bigint] IDENTITY(1,1) NOT NULL,
[organisationKey] [bigint] NOT NULL,
[schemeKey] [bigint] NOT NULL,
[identifier] [nvarchar](255) NOT NULL,
CONSTRAINT [PK_organisation_external_identifier] PRIMARY KEY CLUSTERED
(
[externalIdentifierKey] ASC
)
CREATE TABLE [hist].[organisation_external_identifier](
[externalIdentifierKey] [bigint] NOT NULL,
[organisationKey] [bigint] NOT NULL,
[schemeKey] [bigint] NOT NULL,
[identifier] [nvarchar](255) NOT NULL,
[startDate] [datetime] NOT NULL,
[endDate] [datetime] NULL,
CONSTRAINT [PK_organisation_external_identifier] PRIMARY KEY CLUSTERED
(
[externalIdentifierKey] ASC,
[startDate] ASC
)
When I am trying to insert an organisation into the table I receive the below stack trace.
Exception Description: Error preallocating sequence numbers. The sequence table information is not complete.
at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commitInternal(EntityTransactionImpl.java:102) [eclipselink.jar:2.3.0.v20110604-r9504]
at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commit(EntityTransactionImpl.java:63) [eclipselink.jar:2.3.0.v20110604-r9504]
at com.daiwacm.rts.organisation.master.OrganisationMasterImpl.loadTestData(OrganisationMasterImpl.java:117) [bin/:na]
Using the debugger to find the trace of execution of where the exception is actually thrown:
NativeSequence(StandardSequence).getGeneratedValue(Accessor, AbstractSession, String) line: 63
NativeSequence(Sequence).getGeneratedValue(Accessor, AbstractSession) line: 225
SequencingManager$NoPreallocation_State.getNextValue(Sequence, AbstractSession) line: 677
SequencingManager.getNextValue(AbstractSession, Class) line: 1067
ClientSessionSequencing.getNextValue(Class) line: 70
ObjectBuilder.assignSequenceNumber(Object, AbstractSession, WriteObjectQuery) line: 360
ObjectBuilder.assignSequenceNumber(WriteObjectQuery) line: 333
StatementQueryMechanism(DatabaseQueryMechanism).updateObjectAndRowWithSequenceNumber() line: 841
StatementQueryMechanism(DatasourceCallQueryMechanism).insertObject() line: 337
StatementQueryMechanism.insertObject() line: 162
HistoryPolicy.logicalInsert(ObjectLevelModifyQuery, boolean) line: 773
HistoryPolicy.postInsert(ObjectLevelModifyQuery) line: 732
ExpressionQueryMechanism(DatabaseQueryMechanism).insertObjectForWrite() line: 489
InsertObjectQuery.executeCommit() line: 80
At the bold line the value of the "object" parameter has the field which holds the identity value correctly set to a valid identifier from the database, yet it still decides that it needs to ask the database again for the identifier which I assume is what is failing.
The eclipselink logging which immediately precedes the thrown exception is:
[EL Finest]: 2011-09-14 10:53:35.633--ClientSession(815749913)--Thread(Thread[qtp1485988078-14,5,main])--Execute query ValueReadQuery(name="SEQ_GEN_IDENTITY" sql="SELECT @@IDENTITY")
[EL Fine]: 2011-09-14 10:53:35.634--ClientSession(815749913)--Connection(341973975)--Thread(Thread[qtp1485988078-14,5,main])--SELECT @@IDENTITY
[EL Finest]: 2011-09-14 10:53:35.634--UnitOfWork(773185343)--Thread(Thread[qtp1485988078-14,5,main])--assign sequence to the object (43 -> DAIWATEST)
[EL Finest]: 2011-09-14 10:53:35.635--UnitOfWork(773185343)--Thread(Thread[qtp1485988078-14,5,main])--Execute query InsertObjectQuery(DAIWATEST~bcp)
[EL Fine]: 2011-09-14 10:53:35.635--ClientSession(815749913)--Connection(341973975)--Thread(Thread[qtp1485988078-14,5,main])--INSERT INTO dbo.organisation_external_identifier (identifier, organisationKey, schemeKey) VALUES (?, ?, ?)
bind => [bcp, 51, 43]
[EL Finest]: 2011-09-14 10:53:35.636--ClientSession(815749913)--Thread(Thread[qtp1485988078-14,5,main])--Execute query ValueReadQuery(name="SEQ_GEN_IDENTITY" sql="SELECT @@IDENTITY")
[EL Fine]: 2011-09-14 10:53:35.636--ClientSession(815749913)--Connection(341973975)--Thread(Thread[qtp1485988078-14,5,main])--SELECT @@IDENTITY
[EL Finest]: 2011-09-14 10:53:35.636--UnitOfWork(773185343)--Thread(Thread[qtp1485988078-14,5,main])--assign sequence to the object (32 -> DAIWATEST~bcp)
[EL Fine]: 2011-09-14 10:53:35.637--ClientSession(815749913)--Connection(341973975)--Thread(Thread[qtp1485988078-14,5,main])--INSERT INTO hist.organisation_external_identifier (externalIdentifierKey, identifier, organisationKey, schemeKey, startDate) VALUES (?, ?, ?, ?, ?)
bind => [32, bcp, 51, 43, 2011-09-14 10:53:35.637]
[EL Finest]: 2011-09-14 10:53:35.638--ClientSession(815749913)--Thread(Thread[qtp1485988078-14,5,main])--Execute query ValueReadQuery(name="SEQ_GEN_IDENTITY" sql="SELECT @@IDENTITY")
[EL Fine]: 2011-09-14 10:53:35.638--ClientSession(815749913)--Connection(341973975)--Thread(Thread[qtp1485988078-14,5,main])--SELECT @@IDENTITY
I think this is possibly a bug as when I remove the history customiser it works fine and does not encounter any issues. it is only with the history customiser activated that the problem occurs.
Sorry there is lots of trace etc but hopefully everything anyone should need is listed.
Thanks
Sam
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