java.lang.NullPointerException

GitHub | yintaiyuan | 2 months ago
  1. 0

    1.6使用subTables属性select count时报空指针异常

    GitHub | 2 months ago | yintaiyuan
    java.lang.NullPointerException
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    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 io.mycat.sqlengine.mpp.UnsafeRowGrouper.aggregateRow()
    2. io.mycat.sqlengine
      DataNodeMergeManager.run
      1. io.mycat.sqlengine.mpp.UnsafeRowGrouper.aggregateRow(UnsafeRowGrouper.java:589)[Mycat-server-1.6-RELEASE.jar:?]
      2. io.mycat.sqlengine.mpp.UnsafeRowGrouper.addRow(UnsafeRowGrouper.java:556)[Mycat-server-1.6-RELEASE.jar:?]
      3. io.mycat.sqlengine.mpp.DataNodeMergeManager.run(DataNodeMergeManager.java:373)[Mycat-server-1.6-RELEASE.jar:?]
      3 frames
    3. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[?:1.7.0_13]
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[?:1.7.0_13]
      3. java.lang.Thread.run(Thread.java:722)[?:1.7.0_13]
      3 frames