Столбец таблицы не будет принимать полный размер представления таблицы в javaFX

я пытаюсь создать таблицу с двумя столбцами. я использую конструктор сцены, включенный в NetBeans 7.2. во всех примерах, которые я видел, все, что вам нужно сделать, это перетащить столбец таблицы в таблицу, и он примет полный размер, в моем случае это не так. это файл fxml, сгенерированный конструктором сцены. просто чтобы быть ясно, я не изменяю свойства таблицы из Java.

FXML:

<?xml version="1.0" encoding="UTF-8"?>

<?import java.lang.*?>
<?import java.net.*?>
<?import java.util.*?>
<?import javafx.geometry.*?>
<?import javafx.scene.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.image.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.text.*?>

<AnchorPane id="AnchorPane" prefHeight="758.0" prefWidth="956.0" styleClass="screen" xmlns:fx="http://javafx.com/fxml" fx:controller="bgu.dcr.az.cpu.ui.expb.ExperimentBuilderScreen">
  <children>
    <GridPane id="gridPane1" prefHeight="517.0" prefWidth="600.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
      <children>
        <Label id="label1" alignment="CENTER" contentDisplay="CENTER" prefHeight="38.0" prefWidth="9999.0" styleClass="caption" text="Create New Experiment" textFill="#990000" GridPane.columnIndex="0" GridPane.rowIndex="0">
          <font>
            <Font name="Consolas Bold" size="20.0" />
          </font>
        </Label>
        <HBox id="hBox1" alignment="CENTER" prefHeight="100.0" prefWidth="200.0" spacing="5.0" GridPane.columnIndex="0" GridPane.rowIndex="1">
          <children>
            <Label id="label2" graphicTextGap="0.0" styleClass="field-label" text="Experiment Name">
              <font>
                <Font name="Consolas" size="15.0" />
              </font>
              <HBox.margin>
                <Insets top="3.0" />
              </HBox.margin>
            </Label>
            <TextField id="textField1" prefWidth="200.0" HBox.hgrow="ALWAYS" />
            <Button id="button2" fx:id="saveButton" styleClass="dialog-button" text="Save" />
            <Button id="button3" styleClass="dialog-button" text="Dismiss" />
          </children>
          <padding>
            <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" fx:id="x3" />
          </padding>
        </HBox>
        <VBox id="VBox" alignment="CENTER" spacing="5.0" GridPane.columnIndex="0" GridPane.rowIndex="2">
          <children>
            <Label id="label3" prefWidth="9999.0" styleClass="field-label" text="Experiment Tests">
              <VBox.margin>
                <Insets left="5.0" top="5.0" />
              </VBox.margin>
            </Label>
            <HBox id="HBox" alignment="CENTER" spacing="5.0">
              <children>
                <Button id="button1" prefHeight="999.0" styleClass="add-button" text="New">
                  <HBox.margin>
                    <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" fx:id="x3" />
                  </HBox.margin>
                </Button>
                <ListView id="listView1" fx:id="tests" orientation="HORIZONTAL" prefHeight="999.0" prefWidth="200.0" HBox.hgrow="ALWAYS">
                  <HBox.margin>
                    <Insets bottom="4.0" right="5.0" top="4.0" />
                  </HBox.margin>
                </ListView>
              </children>
            </HBox>
          </children>
        </VBox>
        <VBox id="vBox1" prefHeight="200.0" prefWidth="100.0" GridPane.columnIndex="0" GridPane.rowIndex="3">
          <children>
            <GridPane id="gridPane2" VBox.vgrow="ALWAYS">
              <children>
                <VBox id="vBox2" prefHeight="321.0" prefWidth="150.0" styleClass="with-dashed-border" GridPane.columnIndex="0" GridPane.rowIndex="0" GridPane.rowSpan="4">
                  <children>
                    <Label id="label4" text="Algorithms">
                      <graphic>
                        <ImageView id="emptyImageView1" fitHeight="32.0" fitWidth="32.0" preserveRatio="true">
                          <image>
                            <Image url="@_algo.png" preserveRatio="false" smooth="false" />
                          </image>
                        </ImageView>
                      </graphic>
                    </Label>
                    <Button id="button1" fx:id="newAlgorithmButton" prefWidth="999.0" styleClass="add-button" text="New" VBox.margin="$x3" />
                  </children>
                  <GridPane.margin>
                    <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" fx:id="x2" />
                  </GridPane.margin>
                </VBox>
                <VBox id="vBox2" prefHeight="321.0" prefWidth="150.0" styleClass="with-dashed-border" GridPane.columnIndex="1" GridPane.margin="$x2" GridPane.rowIndex="1">
                  <children>
                    <Label id="label4" text="Problem Generator">
                      <graphic>
                        <ImageView id="emptyImageView1" fitHeight="32.0" fitWidth="32.0" preserveRatio="true">
                          <image>
                            <Image url="@_pgen.png" preserveRatio="false" smooth="false" />
                          </image>
                        </ImageView>
                      </graphic>
                    </Label>
                    <Button id="button1" maxHeight="999.0" prefHeight="999.0" prefWidth="999.0" styleClass="add-button" text="New" VBox.margin="$x3" VBox.vgrow="ALWAYS" />
                  </children>
                </VBox>
                <VBox id="vBox2" prefHeight="321.0" prefWidth="150.0" styleClass="with-dashed-border" GridPane.columnIndex="2" GridPane.margin="$x2" GridPane.rowIndex="1">
                  <children>
                    <Label id="label4" prefWidth="9999.0" text="Correctness tester">
                      <graphic>
                        <ImageView id="emptyImageView1" fitHeight="32.0" fitWidth="32.0" preserveRatio="true">
                          <image>
                            <Image url="@_ctest.png" preserveRatio="false" smooth="false" />
                          </image>
                        </ImageView>
                      </graphic>
                    </Label>
                    <Button id="button1" maxHeight="999.0" maxWidth="999.0" prefHeight="999.0" prefWidth="999.0" styleClass="add-button" text="New" VBox.margin="$x3" VBox.vgrow="ALWAYS" />
                  </children>
                </VBox>
                <VBox id="vBox2" prefHeight="321.0" prefWidth="150.0" styleClass="with-dashed-border" GridPane.columnIndex="1" GridPane.margin="$x2" GridPane.rowIndex="2">
                  <children>
                    <Label id="label4" prefWidth="130.0" text="Message delayer">
                      <graphic>
                        <ImageView id="emptyImageView1" fitHeight="32.0" fitWidth="32.0" preserveRatio="true">
                          <image>
                            <Image url="@_mdel.png" preserveRatio="false" smooth="false" />
                          </image>
                        </ImageView>
                      </graphic>
                    </Label>
                    <Button id="button1" maxHeight="999.0" maxWidth="999.0" prefHeight="999.0" prefWidth="999.0" styleClass="add-button" text="New" VBox.margin="$x3" VBox.vgrow="ALWAYS" />
                  </children>
                </VBox>
                <VBox id="vBox2" prefHeight="321.0" prefWidth="150.0" styleClass="with-dashed-border" GridPane.columnIndex="2" GridPane.margin="$x2" GridPane.rowIndex="2">
                  <children>
                    <Label id="label4" prefWidth="130.0" text="Limiter">
                      <graphic>
                        <ImageView id="emptyImageView1" fitHeight="32.0" fitWidth="32.0" preserveRatio="true">
                          <image>
                            <Image url="@_limiter.png" preserveRatio="false" smooth="false" />
                          </image>
                        </ImageView>
                      </graphic>
                    </Label>
                    <Button id="button1" maxHeight="999.0" maxWidth="999.0" prefHeight="999.0" prefWidth="999.0" styleClass="add-button" text="New" VBox.margin="$x3" VBox.vgrow="ALWAYS" />
                  </children>
                </VBox>
                <VBox id="vBox2" prefHeight="321.0" prefWidth="150.0" styleClass="with-dashed-border" GridPane.columnIndex="3" GridPane.margin="$x2" GridPane.rowIndex="0" GridPane.rowSpan="4">
                  <children>
                    <Label id="label4" prefWidth="9999.0" text="Statistic collectors">
                      <graphic>
                        <ImageView id="emptyImageView1" fitHeight="32.0" fitWidth="32.0" preserveRatio="true">
                          <image>
                            <Image url="@_scol.png" preserveRatio="false" smooth="false" />
                          </image>
                        </ImageView>
                      </graphic>
                    </Label>
                    <Button id="button1" prefWidth="999.0" styleClass="add-button" text="New" VBox.margin="$x3" />
                  </children>
                </VBox>
                <HBox id="hBox1" alignment="CENTER" prefHeight="100.0" prefWidth="200.0" spacing="5.0" GridPane.columnIndex="1" GridPane.columnSpan="2" GridPane.rowIndex="0">
                  <children>
                    <Label id="label2" graphicTextGap="0.0" styleClass="field-label" text="Name">
                      <HBox.margin>
                        <Insets top="7.0" />
                      </HBox.margin>
                    </Label>
                    <TextField id="textField1" maxHeight="28.0" minHeight="28.0" prefHeight="28.0" prefWidth="200.0" text="Empty Test" HBox.hgrow="ALWAYS" />
                  </children>
                  <padding>
                    <Insets bottom="5.0" left="5.0" right="5.0" top="5.0" fx:id="x3" />
                  </padding>
                </HBox>
                <VBox id="vBox3" prefHeight="200.0" prefWidth="100.0" GridPane.columnIndex="1" GridPane.rowIndex="3" />
              </children>
              <columnConstraints>
                <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
                <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
                <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
                <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
              </columnConstraints>
              <rowConstraints>
                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
                <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
              </rowConstraints>
            </GridPane>
          </children>
        </VBox>
        <VBox id="vBox4" alignment="CENTER" styleClass="with-dashed-border" GridPane.columnIndex="0" GridPane.halignment="CENTER" GridPane.hgrow="ALWAYS" GridPane.rowIndex="4" GridPane.valignment="CENTER" GridPane.vgrow="ALWAYS">
          <children>
            <TableView id="tableView1" prefHeight="54.0" prefWidth="837.0" VBox.vgrow="ALWAYS">
              <columns>
                <TableColumn prefWidth="75.0" text="Column X" />
                <TableColumn prefWidth="75.0" text="Column X" />
              </columns>
            </TableView>
          </children>
          <GridPane.margin>
            <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" fx:id="x2" />
          </GridPane.margin>
        </VBox>
      </children>
      <columnConstraints>
        <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
      </columnConstraints>
      <rowConstraints>
        <RowConstraints maxHeight="38.0" minHeight="38.0" prefHeight="38.0" vgrow="NEVER" />
        <RowConstraints maxHeight="32.0" minHeight="32.0" prefHeight="32.0" vgrow="NEVER" />
        <RowConstraints maxHeight="100.0" minHeight="100.0" prefHeight="100.0" vgrow="SOMETIMES" />
        <RowConstraints vgrow="SOMETIMES" />
        <RowConstraints maxHeight="100.0" prefHeight="100.0" valignment="CENTER" vgrow="ALWAYS" />
      </rowConstraints>
    </GridPane>
  </children>
  <stylesheets>
    <URL value="@_style.css" />
    <URL value="@../_style.css" />
  </stylesheets>
</AnchorPane>

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