xiaoyuyao commented on a change in pull request #942: HDDS-1587. Support
dynamically adding delegated classes from to isolated class loader.
URL: https://github.com/apache/hadoop/pull/942#discussion_r292721104
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File path:
hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/FilteredClassLoader.java
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@@ -57,6 +57,12 @@ public FilteredClassLoader(URL[] urls, ClassLoader parent) {
delegatedClasses.add("org.apache.hadoop.fs.ozone.OzoneFSStorageStatistics");
delegatedClasses.add("org.apache.hadoop.fs.ozone.Statistic");
delegatedClasses.add("org.apache.hadoop.fs.Seekable");
+ String[] dynamicDelegatedClasses =
+ System.getProperty("HADOOP_OZONE_DELEGATED_CLASSES").split(";");
+ for (String delegatedClass : dynamicDelegatedClasses) {
+ delegatedClasses.add(delegatedClass);
+ }
Review comment:
You can replace the code L60-64 with
delegatedClasses.addAll(
getTrimmedStringCollection(System.getenv("HADOOP_OZONE_DELEGATED_CLASSES")));
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