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new b21cb91 HADOOP-17130. Configuration.getValByRegex() shouldn't be
updating the results while fetching. (#2142)
b21cb91 is described below
commit b21cb91c7f766b4d2920b893f756a0431f925a18
Author: Mukund Thakur <[email protected]>
AuthorDate: Thu Jul 16 22:39:59 2020 +0530
HADOOP-17130. Configuration.getValByRegex() shouldn't be updating the
results while fetching. (#2142)
Contributed by Mukund Thakur
---
.../src/main/java/org/apache/hadoop/conf/Configuration.java | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
index 9751a9b..b93581e 100755
---
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
@@ -3869,6 +3869,7 @@ public class Configuration implements
Iterable<Map.Entry<String,String>>,
Pattern p = Pattern.compile(regex);
Map<String,String> result = new HashMap<String,String>();
+ List<String> resultKeys = new ArrayList<>();
Matcher m;
for(Map.Entry<Object,Object> item: getProps().entrySet()) {
@@ -3876,11 +3877,12 @@ public class Configuration implements
Iterable<Map.Entry<String,String>>,
item.getValue() instanceof String) {
m = p.matcher((String)item.getKey());
if(m.find()) { // match
- result.put((String) item.getKey(),
- substituteVars(getProps().getProperty((String) item.getKey())));
+ resultKeys.add((String) item.getKey());
}
}
}
+ resultKeys.forEach(item ->
+ result.put(item, substituteVars(getProps().getProperty(item))));
return result;
}
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