java.lang.NullPointerException

Oracle Community | 807594 | 1 decade ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.lang.StringBuffer.<init>()
    2. Java RT
      StringBuffer.<init>
      1. java.lang.StringBuffer.<init>(Unknown Source)
      1 frame
    3. Unknown
      Test9.main
      1. NodeCards.readData(NodeCards.java:419)
      2. Test9.main(Test9.java:121)
      2 frames