java.lang.NullPointerException

Oracle Community | 807593 | 2 decades ago
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  1. 0

    Can Someone help me these error messages...

    Oracle Community | 2 decades ago | 807593
    java.lang.NullPointerException
  2. 0

    请问register mbean error异常怎么解决?

    GitHub | 2 years ago | colddew
    java.lang.NullPointerException
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at java.util.Hashtable.put()
  2. Java RT
    Hashtable.put
    1. java.util.Hashtable.put(Hashtable.java:391)
    1 frame
  3. Unknown
    ConnectDB.getActiveMember
    1. ConnectDB.getActiveMember(ConnectDB.java:55)
    1 frame