java.lang.NullPointerException

Oracle Community | 3004 | 1 decade ago
  1. 0

    NullPointerException when I implement hashCode()

    Oracle Community | 1 decade ago | 3004
    java.lang.NullPointerException
  2. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.idtect.domain.Alarm.hashCode()
    2. com.idtect.domain
      Alarm.hashCode
      1. com.idtect.domain.Alarm.hashCode(Alarm.java:27)
      1 frame
    3. Java RT
      Collections$SynchronizedCollection.add
      1. java.util.HashMap.hash(HashMap.java:257)
      2. java.util.HashMap.put(HashMap.java:375)
      3. java.util.HashSet.add(HashSet.java:188)
      4. java.util.Collections$SynchronizedCollection.add(Collections.java:1553)
      4 frames
    4. com.solarmetric.kodo
      LazyResultList.get
      1. com.solarmetric.kodo.impl.jdbc.runtime.LazyResultList.get(LazyResultList.java:130)
      1 frame
    5. Java RT
      AbstractList$Itr.next
      1. java.util.AbstractList$Itr.next(AbstractList.java:416)
      1 frame