Exec throws a npe while writing a method that has a null value argument
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Key: HBASE-3702
URL: https://issues.apache.org/jira/browse/HBASE-3702
Project: HBase
Issue Type: Bug
Components: coprocessors
Reporter: Himanshu Vashishtha
Exec write method invokes getClass() on its arguments list for finding the
argument's class, which gives a npe in case the argument is null. There is
already an parameterClasses array in Invoker (its super class), which is
populated with correct values (by method.getParameterTypes()). One can use it
this array.
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