Charles Xu created FLINK-13130:
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Summary: Refactor AbstractYarnClusterDescriptor to avoid code
duplication
Key: FLINK-13130
URL: https://issues.apache.org/jira/browse/FLINK-13130
Project: Flink
Issue Type: Improvement
Components: Deployment / YARN
Affects Versions: 1.8.1, 1.8.0
Reporter: Charles Xu
There are two places that checks environment variable (HADOO_CONF_DIR or
YARN_CONF_DIR).
It's better to extract one method to avoid code duplication.
{code:java}
// check if required Hadoop environment variables are set. If not, warn user
private void checkEnvironmentVariable() {
if (System.getenv("HADOOP_CONF_DIR") == null &&
System.getenv("YARN_CONF_DIR") == null) {
LOG.warn("Neither the HADOOP_CONF_DIR nor the YARN_CONF_DIR
environment variable is set. " +
"The Flink YARN Client needs one of these to be set to properly
load the Hadoop " +
"configuration for accessing YARN.");
}
}
{code}
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