Erro na leitura de Ficheiro Java

[Geomar Canjundo]

Ola Pessoal,

Estou desenvolvimento um sistema web que deve fazer a leitura de dados de uma planilha excel. acontece que ao iniciar a leitura o apache gera o seguinte erro abaixo.

Ocorreu um erro no Sistema:

Mensagem:Bad version number in .class file

java.lang.UnsupportedClassVersionError: Bad version number in .class file

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(Unknown Source)

at java.security.SecureClassLoader.defineClass(Unknown Source)

at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1815)

at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:869)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1322)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)

at java.lang.ClassLoader.loadClassInternal(Unknown Source)

at java.lang.Class.getDeclaredMethods0(Native Method)

at java.lang.Class.privateGetDeclaredMethods(Unknown Source)

at java.lang.Class.privateGetPublicMethods(Unknown Source)

at java.lang.Class.getMethods(Unknown Source)

at BaseAjax.BaseAjaxServletAB.ExecuteMethod(BaseAjaxServletAB.java:42)

at BaseAjax.BaseAjaxServletAB.getXmlContent(BaseAjaxServletAB.java:30)

at org.ajaxtags.servlets.AjaxActionHelper.invoke(Unknown Source)

at org.ajaxtags.servlets.BaseAjaxServlet.doGet(Unknown Source)

at org.ajaxtags.servlets.BaseAjaxServlet.doPost(Unknown Source)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)

at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)

at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)

at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)

at java.lang.Thread.run(Unknown Source)