Re: java.awt.HeadlessException on tomcat
Thank you for your answer, but what do you mean by "Make your environment non-headless to solve problem" ? David Delbecq-2 wrote: > > En l'instant précis du 13/11/07 12:45, Yann Mauon s'exprimait en ces > termes: >> Dear all, >> >> I have the following problem. I deployed an applicaton on Tomcat and >> recieve >> the following error when I try to display an image generated on the >> server : >> >> java.awt.HeadlessException >> at >> java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159) >> > You have defined java.awt.headless to true but are doing operation that > requires a screen (aka non-headless environment). Make your environment > non-headless to solve problem >> Previously, I had the >> >> >> java.awt.HeadlessException: >> No X11 DISPLAY variable was set, but this program performed an operation >> which requires it. >> >> error, but fixed it by adding -Djava.awt.headless=true argument. >> >> Does someone have an idea to solve this trouble without remove the use of >> javax.swing.JFrame ? >> > You didn't fix it, you just told java there was no screen. As it says, > "No X11 Display variable was set". Provide your java environement with > an access to a X11 display and everything will run fine. > > -- > http://www.devlog.be (a belgian developer's logs) > > > > - > To start a new topic, e-mail: users@tomcat.apache.org > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/java.awt.HeadlessException-on-tomcat-tf4797278.html#a13725306 Sent from the Tomcat - User mailing list archive at Nabble.com. - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
java.awt.HeadlessException on tomcat
Dear all, I have the following problem. I deployed an applicaton on Tomcat and recieve the following error when I try to display an image generated on the server : java.awt.HeadlessException at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:159) at java.awt.Window.(Window.java:406) at java.awt.Frame.(Frame.java:402) at java.awt.Frame.(Frame.java:367) at javax.swing.JFrame.(JFrame.java:163) at com.genebio.toxico.GWT.advancedInfo.server.CDKsdg.SDG2ImageFile(CDKsdg.java:53) at com.genebio.toxico.GWT.advancedInfo.server.CompoundServiceImpl.getImage2D(CompoundServiceImpl.java:132) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:528) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:265) at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:187) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 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:175) 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:263) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) Previously, I had the 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.(Window.java:406) at java.awt.Frame.(Frame.java:402) at java.awt.Frame.(Frame.java:367) at javax.swing.JFrame.(JFrame.java:163) at com.genebio.toxico.GWT.advancedInfo.server.CDKsdg.SDG2ImageFile(CDKsdg.java:53) at com.genebio.toxico.GWT.advancedInfo.server.CompoundServiceImpl.getImage2D(CompoundServiceImpl.java:132) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:528) at com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:265) at com.google.gwt.user.server.rpc.RemoteServiceServlet.doPost(RemoteServiceServlet.java:187) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) 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:175) 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:263) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:584) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) error, but fixed it by adding -Djava.awt.he
