Note: If you leave the properties variable value as null, you get NullPointerException.
注意：如果您保留properties变量值null，您得到NullPointerException。
The error displayed is a NullPointerException occurring in the toString method on the Appointment class.
显示的错误是一个NullPointerException，它发生在appointment类上的toString方法中。
These wsdl-return-value-mapping elements should be removed (otherwise NullPointerException is thrown during the deployment).
这些wsdl - return - value- mapping元素应该删除(否则在部署期间会抛出NullPointerException)。
But you receive a NullPointerException, because the current row no longer exists - it was modified, and the changes aren't visible in the current cursor.
但是将会收到NullPointerException，因为当前行已不存在——它已被修改，并且更改在当前的游标中不可见。
CamelCase words are treated specially: 'NullPointerException' will return work items that contain this exact term, but also others that contain just 'NPE'.
CamelCase单词将做特别处理：“NullPointerException”将返回包含这个确切术语的工作物件，但同时还返回仅包含“NPE”的工作物件。
CamelCase words are treated specially: 'NullPointerException' will return work items that contain this exact term, but also others that contain just 'NPE'.
CamelCase单词将做特别处理：“NullPointerException”将返回包含这个确切术语的工作物件，但同时还返回仅包含“NPE”的工作物件。
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