java.lang.NullPointerException

Oracle Community | 807577 | 1 decade ago
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  1. 0

    a problem with actionListener

    Oracle Community | 1 decade ago | 807577
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at SwingDB$Query.actionPerformed()
    2. Unknown
      SwingDB$Query.actionPerformed
      1. SwingDB$Query.actionPerformed(SwingDB.java:89)
      1 frame
    3. Java RT
      AbstractButton.fireActionPerformed
      1. javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
      1 frame