Hi, Thank you for your response and very sorry for the in complete details of exception. My problem is I want to send SMS to mobile clients using GSM modem. Modem is connected to PC through COM port. I installed JAVA COMMUNICATION API. I am using ecclipse ide. I am able to run my web application from ecclipse ide by enabling apache tomcat server from the ide(By using option run as server in Ecclipse). But after deploying my application in apache tomcat server i am unamblt access comm ports.
I am using APACHE TOMCAT 1.6.0.18 and JAVA 1.6 on Windows xp platform. My part of code is: SerialComm com1 = new SerialComm(null ,"COM1"); com1.setBitRate("115200"); COM1.OPEN(); // HERE I AM GETTING EXCEPTION My full stack trace is java.lang.ClassNotFoundException: javax.comm.PortInUseException at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at com.nokia.test.demo.ConfigureTerminal.doPost(ConfigureTerminal.java:105) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:857) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:565) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1509) at java.lang.Thread.run(Unknown Source) Please help me. Thank you. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org