Wei-Chiu Chuang created HADOOP-15866:
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Summary: HADOOP-15523 breaks compatibility
Key: HADOOP-15866
URL: https://issues.apache.org/jira/browse/HADOOP-15866
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 3.1.1, 2.10.0, 3.2.0, 2.9.2, 3.0.4, 3.3.0
Reporter: Wei-Chiu Chuang
Our internal tool found HADOOP-15523 breaks public API compatibility:
class CommonConfigurationKeysPublic
|| ||Change||Effect||
|1|Field HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS has been renamed to
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_KEY.|Recompilation of a client
program may be terminated with the message: cannot find variable
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS in
CommonConfigurationKeysPublic.|
|2|Field HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS_DEFAULT has been
renamed to HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_DEFAULT.|Recompilation
of a client program may be terminated with the message: cannot find variable
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS_DEFAULT in
CommonConfigurationKeysPublic.|
HADOOP_SECURITY_GROUP_SHELL_COMMAND_TIMEOUT_SECS_DEFAULT is used to instantiate
a variable in ShellBasedGroupsMapping objects, and since almost all
applications requires groups mapping, this can cause runtime error if
application loads multiple versions of Hadoop library.
IMO this is a blocker for 3.2.0
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