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Problem while hitting oracle database concurrently

vijay raghuraman
Greenhorn

Joined: Dec 29, 2008
Posts: 1
Hai friends,
I am facing problem while concurrent hitting the oracle database through EJB deployed in Oracle10G application server.Database connection are done through datasource. i am getting these two exception in random manner.


java.sql.SQLException: org.apache.bcel.classfile.ClassFormatException: Invalid method signature: java/lang/String;Ljava/lang/String;)Voracle.oc4j.sql.proxy.SQLBCELProxy.oc4j_createConstructionKey(SQLBCELProxy.java:391)
oracle_jdbc_driver_LogicalConnection_Proxy.prepareStatement()
com.bpms.core.dao.OracleDataServiceObjectImpl.executeQuery(OracleDataServiceObjectImpl.java:811)

java.lang.InstantiationException: org.apache.bcel.classfile.ClassFormatException: Invalid method signature: tion;)Voracle.j2ee.connector.proxy.BCELProxyFactory.createProxy(BCELProxyFactory.java:382)
oracle.j2ee.connector.proxy.BCELProxyFactory.getProxy(BCELProxyFactory.java:141)
oracle.oc4j.sql.proxy.SQLBCELProxyFactory.getProxy(SQLBCELProxyFactory.java:47)
oracle.j2ee.connector.proxy.AbstractProxy.oc4j_getProxyForReturnedObject(AbstractProxy.java:105)
oracle_jdbc_driver_LogicalConnection_Proxy.prepareStatement()

thanks in advance,

by,
vijay
 
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