How to resolve the java.io.UnsupportedEncodingException: ${charset}

Hi there,
I deployed an appliaction called "JGossip" in my machine.
After deployment while accessing the URL http://localhost:8080/jgossip/jgossip, the following error stack trace is thrown-
java.io.UnsupportedEncodingException: ${charset}
     at sun.io.Converters.getConverterClass(Converters.java:218)
     at sun.io.Converters.newConverter(Converters.java:251)
     at sun.io.ByteToCharConverter.getConverter(ByteToCharConverter.java:68)
     at java.lang.StringCoding.decode(StringCoding.java:224)
     at java.lang.String.<init>(String.java:405)
     at java.lang.String.<init>(String.java:433)
     at org.apache.coyote.tomcat4.CoyoteRequest.setCharacterEncoding(CoyoteRequest.java:1225)
     at org.apache.coyote.tomcat4.CoyoteRequestFacade.setCharacterEncoding(CoyoteRequestFacade.java:153)
     at org.jresearch.gossip.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:171)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2422)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:163)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
     at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
     at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
     at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:199)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:700)
     at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:584)
     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
     at java.lang.Thread.run(Thread.java:595)
I thought the character encoding is failed and placed the charsets.jar,rt.jar,commons-i18n-0.4.jar in the deployed folder(Web-inf/lib). But still the exception is observed.
Please help me out.
Thanks in advance,
Venkat

Hi,
What version of the driver are you using? The "OALL8 is in an inconsistent state" exception usually indicates a problem in the protocol. When this exception occurs the protocol is broken and the connection can't be used anymore. I would suggest that you try using the 11.2.0.1 JDBC driver that you can download from:
http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/index.html
Regards,
Jean

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