java.lang.NullPointerException

GitHub | 89333367 | 4 months ago
  1. 0

    GitHub comment 1351#236543769

    GitHub | 4 months ago | Amous-th
    java.lang.NullPointerException
  2. 0

    GitHub comment 1351#236546608

    GitHub | 4 months ago | 89333367
    java.lang.NullPointerException
  3. 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.alibaba.druid.pool.vendor.MySqlValidConnectionChecker.<init>()
    2. druid
      DruidDataSource.init
      1. com.alibaba.druid.pool.vendor.MySqlValidConnectionChecker.<init>(MySqlValidConnectionChecker.java:48)
      2. com.alibaba.druid.pool.DruidDataSource.initValidConnectionChecker(DruidDataSource.java:945)
      3. com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:660)
      3 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:498)
      4 frames