Java fx Application crash automatically after some time [closed]

I have developed javaFx application which crashed after some times during working.Meanwhile switching between the registered users of application i am using custom dialog boxes for username and password.As soon as pop up opens for password application goes crashed.Here i am getting the error message.I am using ubntu 14.0.

      # A fatal error has been detected by the Java Runtime Environment:
      #  SIGSEGV (0xb) at pc=0x00007f205619792e, pid=8902, tid=139775151732480
      # JRE version: Java(TM) SE Runtime Environment (8.0_45-b14) (build 1.8.0_45-b14)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.45-b02 mixed mode linux-amd64 compressed oops)
      # Problematic frame:
      # V  []  jni_invoke_nonstatic(JNIEnv_*, JavaValue*, _jobject*, JNICallType, _jmethodID*, JNI_ArgumentPusher*, Thread*)+0xa1e
      # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
      # If you would like to submit a bug report, please visit:

I had already updated my java version from 1.8.0_45 to 1.8.0_71.But problems remains same. Here is the code for pop up which one i am using for user’s password.

                     GridPane grid = new GridPane();
                     final PasswordField passwordPasswordField = new PasswordField();
                     final Dialog dlg = new Dialog(null, "Open User's Profile");
                     grid.add(passwordPasswordField, 1, 2);


Not sure about that particular error, but you could try upgrading to 8u71. There’s been a bunch of fixes since the version you’re using (8u45).

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