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POMigration of java application from Windows to linux server
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  1. POMigration of java application from Windows to linux server
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    copied!<p>I am trying to migrate a java application which consist of some graph charts from Windows to Linux but I am getting following the exception:</p> <pre><code> java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it. at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159) at java.awt.Window.&lt;init&gt;(Window.java:432) at java.awt.Frame.&lt;init&gt;(Frame.java:403) at java.awt.Frame.&lt;init&gt;(Frame.java:368) at javachart.servlet.Bean.makeURLImage(Unknown Source) at javachart.applet.ParameterParser.makeURLImage(Unknown Source) at javachart.applet.ParameterParser.populateGc(Unknown Source) at javachart.applet.ParameterParser.getDatasetPropertiesFromParameters(Unknown Source) at javachart.applet.ParameterParser.getDatasetParameters(Unknown Source) at javachart.applet.ParameterParser.getDataset(Unknown Source) at javachart.applet.ParameterParser.getDatasets(Unknown Source) at javachart.applet.ParameterParser.getOptions(Unknown Source) at javachart.servlet.Bean.getOptions(Unknown Source) at javachart.servlet.labelLineApp.init(Unknown Source) at javachart.servlet.Bean.buildChart(Unknown Source) at javachart.servlet.Bean.generate(Unknown Source) at javachart.servlet.Bean.getFileName(Unknown Source) at org.apache.jsp.www.SaveHtml.chartByHotelSNS_jsp._jspService(chartByHotelSNS_jsp.java:676) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:369) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:322) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:249) 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:235) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 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:330) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:662) </code></pre> <p>I also tried with setting the Display environment variable through Putty but that also didn't work.<br> Can anyone tell me where exactly the problem is?<br> Is it in the application or linux side? </p>
 

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