This week's book giveaway is in the OO, Patterns, UML and Refactoring forum.
We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line!
See this thread for details.
The moose likes JDBC and Relational Databases and the fly likes Problem while hitting oracle database concurrently Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login


JavaRanch » Java Forums » Databases » JDBC and Relational Databases
Bookmark "Problem while hitting oracle database concurrently" Watch "Problem while hitting oracle database concurrently" New topic
Author

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
 
Have you checked out Aspose?
 
subject: Problem while hitting oracle database concurrently
 
It's not a secret anymore!