Hi,
Here is the full stack trace of the exception:
java.lang.IllegalArgumentException: object is not an instance of declaring
class
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at
org.apache.ojb.broker.util.batch.PreparedStatementInvocationHandler.doExecut
e(Unknown Source)
at
org.apache.ojb.broker.util.batch.PreparedStatementInvocationHandler.invoke(U
nknown Source)
at $Proxy0.doExecute(Unknown Source)
at org.apache.ojb.broker.util.batch.BatchConnection.executeBatch(Unknown
Source)
at org.apache.ojb.broker.util.batch.BatchConnection.nextExecuted(Unknown
Source)
at
org.apache.ojb.broker.util.batch.PreparedStatementInvocationHandler.invoke(U
nknown Source)
at $Proxy0.executeUpdate(Unknown Source)
at org.apache.ojb.broker.accesslayer.JdbcAccessImpl.executeUpdate(Unknown
Source)
at org.apache.ojb.broker.core.PersistenceBrokerImpl.storeToDb(Unknown
Source)
at org.apache.ojb.broker.core.PersistenceBrokerImpl.store(Unknown
Source)Notif 4240 - act: 4832
at org.apache.ojb.broker.core.PersistenceBrokerImpl.store(Unknown Source)
at org.apache.ojb.broker.core.DelegatingPersistenceBroker.store(Unknown
Source)
at org.apache.ojb.broker.core.DelegatingPersistenceBroker.store(Unknown
Source)
at Test.main(Test.java:110)
Eric
-----Message d'origine-----
De : Oleg Nitz [mailto:[EMAIL PROTECTED]
Envoye : mardi 9 decembre 2003 14:36
A : OJB Users List
Objet : Re: BATCH-MODE parameter
Hi Eric,
Please send the full stack trace of the exception.
Oleg
-----Original Message-----
From: "eric barbe" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Date: Tue, 9 Dec 2003 10:24:31 +0100
Subject: BATCH-MODE parameter
> Hi all,
>
> In order to ameliorate performance, I've tried to set batch-mode parameter
> to true in the repository
> (if this is not intended to ameliorate performance, please tell me).
> Unfortunately, I get an error when executing my program :
>
> "Object is not an instance of declaring class".
>
> Here is the jdbc-connection-descriptor element in my repository:
>
> <jdbc-connection-descriptor
> default-connection="true"
> jcd-alias="bod"
> platform="oracle"
> jdbc-level="2.0"
> driver="oracle.jdbc.driver.OracleDriver"
> protocol="jdbc"
> subprotocol="oracle:thin"
> dbalias="@superbug:1521:dbmaster"
> username="SEJ"
> password="SEJ"
> batch-mode="true">
>
> <connection-pool
> maxActive="15"
> whenExhaustedAction="0"
> testOnBorrow="false"
> testOnReturn="false"
> validationQuery="select count(*) from OJB_HL_SEQ"/>
>
> <sequence-manager
>
className="org.apache.ojb.broker.util.sequence.SequenceManagerInMemoryImpl">
> <attribute attribute-name="autoNaming"
> attribute-value="true"/>
> </sequence-manager>
>
> </jdbc-connection-descriptor>
>
>
> Here is the code:
>
> broker.beginTransaction();
> broker.serviceConnectionManager().setBatchMode(true);
> broker.store(myobject);
> broker.commitTransaction();
>
> Note: even if I comment out the second line, it does not work any better.
> Besides, if I set batch-mode to "false", everything is OK.
>
> I use Oracle 8i.
>
> Thanks for your help.
>
> Regards
> Eric BARBи
>
>
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