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HADOOP-14213. Move Configuration runtime check for hadoop-site.xml to initialization. Contributed by Jonathan Eagles

This commit is contained in:
Ravi Prakash 2017-03-23 09:28:10 -07:00
parent a5a4867f3b
commit 595f62e362
1 changed files with 8 additions and 10 deletions
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18
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
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@ -668,21 +668,24 @@ private void handleDeprecation() {
}
}
static{
//print deprecation warning if hadoop-site.xml is found in classpath
static {
// Add default resources
addDefaultResource("core-default.xml");
addDefaultResource("core-site.xml");
// print deprecation warning if hadoop-site.xml is found in classpath
ClassLoader cL = Thread.currentThread().getContextClassLoader();
if (cL == null) {
cL = Configuration.class.getClassLoader();
}
if(cL.getResource("hadoop-site.xml")!=null) {
if (cL.getResource("hadoop-site.xml") != null) {
LOG.warn("DEPRECATED: hadoop-site.xml found in the classpath. " +
"Usage of hadoop-site.xml is deprecated. Instead use core-site.xml, "
+ "mapred-site.xml and hdfs-site.xml to override properties of " +
"core-default.xml, mapred-default.xml and hdfs-default.xml " +
"respectively");
addDefaultResource("hadoop-site.xml");
}
addDefaultResource("core-default.xml");
addDefaultResource("core-site.xml");
}
private Properties properties;
@ -2638,11 +2641,6 @@ private void loadResources(Properties properties,
for (String resource : defaultResources) {
loadResource(properties, new Resource(resource), quiet);
}
//support the hadoop-site.xml as a deprecated case
if(getResource("hadoop-site.xml")!=null) {
loadResource(properties, new Resource("hadoop-site.xml"), quiet);
}
}
for (int i = 0; i < resources.size(); i++) {