Question: exception in thread JavaFX-Launcher java.lang.NullPointerException at dbreader/jdbc. JDBCModel.getAnd InitializeColumnNames (JDBCModel.java:74) at dbreader/jdbc. JDBCController.lambda$0(JDBC Controller.java:37) at javafx.base/com.sun.javafx.binding. ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:181) at javafx.base/com.sun.javafx.binding. ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80) at javafx.base/javafx.beans.property.StringPropertyBase.fireValueChangedEvent(StringPropertyBase.java:104) at javafx.base/javafx.beans.property.StringPropertyBase.markInvalid(StringPropertyBase.java:111) at

exception in thread "JavaFX-Launcher" java.lang.NullPointerException at dbreader/jdbc. JDBCModel.getAnd InitializeColumnNames (JDBCModel.java:74) at dbreader/jdbc. JDBCController.lambda$0(JDBC Controller.java:37) at javafx.base/com.sun.javafx.binding. ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:181) at javafx.base/com.sun.javafx.binding. ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80) at javafx.base/javafx.beans.property.StringPropertyBase.fireValueChangedEvent(StringPropertyBase.java:104) at javafx.base/javafx.beans.property.StringPropertyBase.markInvalid(StringPropertyBase.java:111) at javafx.base/javafx.beans.property.StringPropertyBase.bind(StringPropertyBase.java:172) at dbreader/dbreader.DBReader.createOptionsBar (DBReader.java:173) BReader (1) [Java Application] C:\Program Files\Java\jdk-11.0.9\bin\javaw.exe (Mar 6, 2021, 3:21:02 PM) at dbreader/jdbc. JDBCModel.getAndinitializeColumnNames (JDBCModel.java:74) at dbreader/jdbc.JDBCController.lambda$0 (JDBC Controller.java:37) at javafx.base/com.sun.javafx.binding. ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:181) at javafx.base/com.sun.javafx.binding. ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80) at javafx.base/javafx.beans.property.StringPropertyBase.fireValueChangedEvent(StringPropertyBase.java:104) at javafx.base/javafx.beans.property.StringPropertyBase.markInvalid(StringPropertyBase.java:111) at javafx.base/javafx.beans.property.StringPropertyBase.bind(StringPropertyBase.java:172) at dbreader/dbreader.DBReader.createOptionsBar (DBReader.java:173) at dbreader/dbreader.DBReader.init(DBReader.java:95) at javafx.graphics/com.sun.javafx.application. LauncherImpl. launchApplication1(LauncherImpl.java:824) exception in thread "JavaFX-Launcher" java.lang.NullPointerException at dbreader/jdbc. JDBCModel.getAnd InitializeColumnNames (JDBCModel.java:74) at dbreader/jdbc. JDBCController.lambda$0(JDBC Controller.java:37) at javafx.base/com.sun.javafx.binding. ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:181) at javafx.base/com.sun.javafx.binding. ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80) at javafx.base/javafx.beans.property.StringPropertyBase.fireValueChangedEvent(StringPropertyBase.java:104) at javafx.base/javafx.beans.property.StringPropertyBase.markInvalid(StringPropertyBase.java:111) at javafx.base/javafx.beans.property.StringPropertyBase.bind(StringPropertyBase.java:172) at dbreader/dbreader.DBReader.createOptionsBar (DBReader.java:173) BReader (1) [Java Application] C:\Program Files\Java\jdk-11.0.9\bin\javaw.exe (Mar 6, 2021, 3:21:02 PM) at dbreader/jdbc. JDBCModel.getAndinitializeColumnNames (JDBCModel.java:74) at dbreader/jdbc.JDBCController.lambda$0 (JDBC Controller.java:37) at javafx.base/com.sun.javafx.binding. ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:181) at javafx.base/com.sun.javafx.binding. ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80) at javafx.base/javafx.beans.property.StringPropertyBase.fireValueChangedEvent(StringPropertyBase.java:104) at javafx.base/javafx.beans.property.StringPropertyBase.markInvalid(StringPropertyBase.java:111) at javafx.base/javafx.beans.property.StringPropertyBase.bind(StringPropertyBase.java:172) at dbreader/dbreader.DBReader.createOptionsBar (DBReader.java:173) at dbreader/dbreader.DBReader.init(DBReader.java:95) at javafx.graphics/com.sun.javafx.application. LauncherImpl. launchApplication1(LauncherImpl.java:824)

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