I am using Netbeans . I did some things with bindings and now whenever

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Asked: May 16, 20262026-05-16T00:34:45+00:00 2026-05-16T00:34:45+00:00

I am using Netbeans . I did some things with bindings and now whenever

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I am using Netbeans. I did some things with bindings and now whenever I start my program, before it even initializes the form, it gives me an error

The exception in thread main is occuring before the form is even an initialized object yet. The form is not even an object yet. Every line in my main() causes an exception. Random stuff. I don’t understand it at all.

Here is the error.

    Exception in thread "main" java.lang.ExceptionInInitializerError
        at obd2ner.main(obd2ner.java:26)
Caused by: java.lang.ClassCastException
        at java.lang.Class.cast(Class.java:2990)
        at org.jdesktop.beansbinding.Binding.convertForward(Binding.java:1312)
        at org.jdesktop.beansbinding.Binding.getSourceValueForTarget(Binding.java:844)
        at org.jdesktop.beansbinding.Binding.refreshUnmanaged(Binding.java:1222)
        at org.jdesktop.beansbinding.Binding.refresh(Binding.java:1207)
        at org.jdesktop.beansbinding.AutoBinding.tryRefreshThenSave(AutoBinding.java:162)
        at org.jdesktop.beansbinding.AutoBinding.bindImpl(AutoBinding.java:199)
        at org.jdesktop.beansbinding.Binding.bindUnmanaged(Binding.java:959)
        at org.jdesktop.beansbinding.Binding.bind(Binding.java:944)
        at org.jdesktop.beansbinding.BindingGroup.bind(BindingGroup.java:143)
        at OBD2nerForm.initComponents(OBD2nerForm.java:731)
        at OBD2nerForm.<init>(OBD2nerForm.java:75)
        at Status.<clinit>(Status.java:41)
        ... 1 more
Java Result: 1

OBD2nerForm line 731 is bindingGroup.bind();
sometimes it errors out on pack();

the exception in main() does not even seem relevant because it occurs as soon as the program is run and every time I comment out a line it jumps to the next

        public void actionPerformed(ActionEvent evt) {
            jFormattedTextField2ActionPerformed(evt);
        }
    });

    jLabel8.setText("Data In Que:");

    jLabel9.setFont(new Font("DejaVu Sans", 0, 14));
    jLabel9.setText("FFFFFFFFFFFFFFFFFFFF");

    GroupLayout jPanel5Layout = new GroupLayout(jPanel5);
    jPanel5.setLayout(jPanel5Layout);
    jPanel5Layout.setHorizontalGroup(
        jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
        .add(jPanel5Layout.createSequentialGroup()
            .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                .add(jPanel5Layout.createSequentialGroup()
                    .add(19, 19, 19)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jLabel7)
                        .add(jLabel5)
                        .add(jLabel6))
                    .add(18, 18, 18)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                        .add(GroupLayout.TRAILING, jFormattedTextField1, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(GroupLayout.TRAILING, jCheckBox1)
                        .add(GroupLayout.TRAILING, jCheckBox11))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField2, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox12)
                        .add(jCheckBox2))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField3, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox13)
                        .add(jCheckBox3))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField4, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox14)
                        .add(jCheckBox4))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField5, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox15)
                        .add(jCheckBox5))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField6, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox16)
                        .add(jCheckBox6))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField7, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox17)
                        .add(jCheckBox7))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jFormattedTextField8, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(jCheckBox18)
                        .add(jCheckBox8))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                        .add(GroupLayout.TRAILING, jFormattedTextField9, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)
                        .add(GroupLayout.TRAILING, jCheckBox19)
                        .add(GroupLayout.TRAILING, jCheckBox9))
                    .addPreferredGap(LayoutStyle.RELATED)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                        .add(jCheckBox20)
                        .add(jCheckBox10)
                        .add(jFormattedTextField10, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)))
                .add(jPanel5Layout.createSequentialGroup()
                    .add(4, 4, 4)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                        .add(jPanel5Layout.createSequentialGroup()
                            .add(jLabel8)
                            .addPreferredGap(LayoutStyle.RELATED)
                            .add(jLabel9, GroupLayout.PREFERRED_SIZE, 256, GroupLayout.PREFERRED_SIZE))
                        .add(jSeparator1, GroupLayout.PREFERRED_SIZE, 474, GroupLayout.PREFERRED_SIZE))))
            .addContainerGap(GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        .add(GroupLayout.TRAILING, jPanel5Layout.createSequentialGroup()
            .addContainerGap(346, Short.MAX_VALUE)
            .add(jToggleButton3, GroupLayout.PREFERRED_SIZE, 132, GroupLayout.PREFERRED_SIZE)
            .addContainerGap())
    );
    jPanel5Layout.setVerticalGroup(
        jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
        .add(jPanel5Layout.createSequentialGroup()
            .addContainerGap()
            .add(jPanel5Layout.createParallelGroup(GroupLayout.BASELINE)
                .add(jLabel5)
                .add(jFormattedTextField1, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField2, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField3, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField4, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField5, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField6, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField7, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField8, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField9, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE)
                .add(jFormattedTextField10, GroupLayout.PREFERRED_SIZE, GroupLayout.DEFAULT_SIZE, GroupLayout.PREFERRED_SIZE))
            .addPreferredGap(LayoutStyle.RELATED)
            .add(jSeparator1, GroupLayout.PREFERRED_SIZE, 0, GroupLayout.PREFERRED_SIZE)
            .addPreferredGap(LayoutStyle.RELATED)
            .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                .add(jCheckBox3)
                .add(jCheckBox1)
                .add(jCheckBox2)
                .add(jCheckBox4)
                .add(jCheckBox5)
                .add(jCheckBox6)
                .add(jCheckBox7)
                .add(jCheckBox8)
                .add(jCheckBox9)
                .add(jLabel6)
                .add(jCheckBox10))
            .addPreferredGap(LayoutStyle.RELATED)
            .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                .add(jPanel5Layout.createParallelGroup(GroupLayout.LEADING)
                    .add(jLabel7)
                    .add(jPanel5Layout.createParallelGroup(GroupLayout.TRAILING)
                        .add(jCheckBox13)
                        .add(jCheckBox12)
                        .add(jCheckBox11)
                        .add(jCheckBox14)
                        .add(jCheckBox15)
                        .add(jCheckBox16)
                        .add(jCheckBox17)
                        .add(jCheckBox18)
                        .add(jCheckBox19)))
                .add(jCheckBox20))
            .addPreferredGap(LayoutStyle.RELATED, 42, Short.MAX_VALUE)
            .add(jPanel5Layout.createParallelGroup(GroupLayout.BASELINE)
                .add(jToggleButton3)
                .add(jLabel8)
                .add(jLabel9))
            .addContainerGap())
    );

    jTabbedPane1.addTab("tab6", jPanel5);

    add(jTabbedPane1, BorderLayout.CENTER);

    bindingGroup.bind();

    pack();
}// </editor-fold>

Help, I do not understand. What information do you need from me?

Edit: It seems to all be code which I cannot touch. I should probably add that this started with Netbeans adding about 200 invalid imports import jCheckbox1 which I deleted.

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1 Answer

Editorial Team · Answer 1 · 2026-05-16T00:34:46+00:00

You get an ExceptionInInitializerError if something goes wrong in the static initializer block.

class C
{
  static
  {
     // if something does wrong -> ExceptionInInitializerError
  }
}

Because static variables are initialized in static blocks there are a source of these errors too. An example:

class C
{
  static int v = D.foo();
}

=>

class C
{
  static int v;

  static
  {
    v = D.foo();
  }
}

So if foo() goes wild, you get a ExceptionInInitializerError.

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