Critical Error Pop up at Client App Check-In

Posted by Angel on Jan 12, 2024; 3:51pm
URL: http://ngl.70.s1.nabble.com/Critical-Error-Pop-up-at-Client-App-Check-In-tp7577798.html

Hi dear,

what could probably be the problem. pls advise.


backend log screen shows as below

org.jdom.JDOMException: Error on line 1: The root element is required in a well-formed document.
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:367)
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:740)
        at newgen.presentation.component.ServletConnector.sendRequest(ServletConnector.java:223)
        at newgen.presentation.MainFrame.setInitialData(MainFrame.java:244)
        at newgen.presentation.MainFrame.<init>(MainFrame.java:103)
        at newgen.presentation.MainFrame.getInstance(MainFrame.java:114)
        at newgen.presentation.LoginFrame.bnLoginActionPerformed(LoginFrame.java:443)
        at newgen.presentation.LoginFrame.access$400(LoginFrame.java:45)
        at newgen.presentation.LoginFrame$5.actionPerformed(LoginFrame.java:390)
        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
        at java.awt.Component.processMouseEvent(Unknown Source)
        at javax.swing.JComponent.processMouseEvent(Unknown Source)
        at java.awt.Component.processEvent(Unknown Source)
        at java.awt.Container.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Window.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
        at java.awt.EventQueue.access$500(Unknown Source)
        at java.awt.EventQueue$3.run(Unknown Source)
        at java.awt.EventQueue$3.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue$4.run(Unknown Source)
        at java.awt.EventQueue$4.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; The root element is required in a well-formed document.
        at org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1056)
        at org.apache.xerces.framework.XMLDocumentScanner.reportFatalXMLError(XMLDocumentScanner.java:626)
        at org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.endOfInput(XMLDocumentScanner.java:842)
        at org.apache.xerces.framework.XMLDocumentScanner.endOfInput(XMLDocumentScanner.java:418)
        at org.apache.xerces.validators.common.XMLValidator.sendEndOfInputNotifications(XMLValidator.java:582)
        at org.apache.xerces.readers.DefaultEntityHandler.changeReaders(DefaultEntityHandler.java:1026)
        at org.apache.xerces.readers.XMLEntityReader.changeReaders(XMLEntityReader.java:168)
        at org.apache.xerces.readers.AbstractCharReader.changeReaders(AbstractCharReader.java:150)
        at org.apache.xerces.readers.AbstractCharReader.lookingAtChar(AbstractCharReader.java:217)
        at org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.dispatch(XMLDocumentScanner.java:742)
        at org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
        at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:948)
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:354)
        ... 44 more
Caused by: org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 1; The root element is required in a well-formed document.
        at org.apache.xerces.framework.XMLParser.reportError(XMLParser.java:1056)
        at org.apache.xerces.framework.XMLDocumentScanner.reportFatalXMLError(XMLDocumentScanner.java:626)
        at org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.endOfInput(XMLDocumentScanner.java:842)
        at org.apache.xerces.framework.XMLDocumentScanner.endOfInput(XMLDocumentScanner.java:418)
        at org.apache.xerces.validators.common.XMLValidator.sendEndOfInputNotifications(XMLValidator.java:582)
        at org.apache.xerces.readers.DefaultEntityHandler.changeReaders(DefaultEntityHandler.java:1026)
        at org.apache.xerces.readers.XMLEntityReader.changeReaders(XMLEntityReader.java:168)
        at org.apache.xerces.readers.AbstractCharReader.changeReaders(AbstractCharReader.java:150)
        at org.apache.xerces.readers.AbstractCharReader.lookingAtChar(AbstractCharReader.java:217)
        at org.apache.xerces.framework.XMLDocumentScanner$XMLDeclDispatcher.dispatch(XMLDocumentScanner.java:742)
        at org.apache.xerces.framework.XMLDocumentScanner.parseSome(XMLDocumentScanner.java:381)
        at org.apache.xerces.framework.XMLParser.parse(XMLParser.java:948)
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:354)
        at org.jdom.input.SAXBuilder.build(SAXBuilder.java:740)
        at newgen.presentation.component.ServletConnector.sendRequest(ServletConnector.java:223)
        at newgen.presentation.MainFrame.setInitialData(MainFrame.java:244)
        at newgen.presentation.MainFrame.<init>(MainFrame.java:103)
        at newgen.presentation.MainFrame.getInstance(MainFrame.java:114)
        at newgen.presentation.LoginFrame.bnLoginActionPerformed(LoginFrame.java:443)
        at newgen.presentation.LoginFrame.access$400(LoginFrame.java:45)
        at newgen.presentation.LoginFrame$5.actionPerformed(LoginFrame.java:390)
        at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
        at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
        at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
        at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
        at java.awt.Component.processMouseEvent(Unknown Source)
        at javax.swing.JComponent.processMouseEvent(Unknown Source)
        at java.awt.Component.processEvent(Unknown Source)
        at java.awt.Container.processEvent(Unknown Source)
        at java.awt.Component.dispatchEventImpl(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
        at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
        at java.awt.Container.dispatchEventImpl(Unknown Source)
        at java.awt.Window.dispatchEventImpl(Unknown Source)
        at java.awt.Component.dispatchEvent(Unknown Source)
        at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
        at java.awt.EventQueue.access$500(Unknown Source)
        at java.awt.EventQueue$3.run(Unknown Source)
        at java.awt.EventQueue$3.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue$4.run(Unknown Source)
        at java.awt.EventQueue$4.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
        at java.awt.EventQueue.dispatchEvent(Unknown Source)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
        at java.awt.EventDispatchThread.run(Unknown Source)