org.apache.bcel.classfile.ClassFormatException Thrown By JDBC Datasource Connections (Doc ID 888795.1)

Last updated on JUNE 14, 2011

Applies to:

Oracle Containers for J2EE - Version: 10.1.3.1.0 to 10.1.3.3.0 - Release: AS10gR3 to AS10gR3
Information in this document applies to any platform.

Symptoms

A J2EE appplication is deployed into 10.1.3.3 OC4J.
To access the database server, JDBC connections are retrieved from a datasource configured in OC4J.
With a high load and simultaneous use of those connections, the following exception is thrown :

java.sql.SQLException: org.apache.bcel.classfile.ClassFormatException: Invalid method signature:
java/lang/String;Ljava/lang/String;)V
at oracle.oc4j.sql.proxy.SQLBCELProxy.oc4j_createConstructionKey(SQLBCELProxy.java:391)
at oracle_jdbc_driver_LogicalConnection_Proxy.createStatement()


Cause

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