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This exception has no message.
java.lang.NullPointerException: 	at java.io.ByteArrayInputStream.(Unknown Source)	at com.cib.servlet.jreportServlet.doGet(jreportServlet.java:105)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at com.cib.module.common.filter.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:106)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:399)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:317)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:204)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:182)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:311)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)