bhavikpatel9977 commented on a change in pull request #3411: ZEPPELIN-4272:
Zeppelin fails to use s3a configured for zeppelin.note…
URL: https://github.com/apache/zeppelin/pull/3411#discussion_r306213059
##########
File path:
zeppelin-zengine/src/main/java/org/apache/zeppelin/notebook/FileSystemStorage.java
##########
@@ -60,16 +63,42 @@
public FileSystemStorage(ZeppelinConfiguration zConf, String path) throws
IOException {
this.zConf = zConf;
this.hadoopConf = new Configuration();
+ URI zepConfigURI;
+ URI defaultFSURI;
+
+ zepConfigURI = getURI(path, "Failed to get URI path");
// disable checksum for local file system. because interpreter.json may be
updated by
// non-hadoop filesystem api
// disable caching for file:// scheme to avoid getting LocalFS which does
CRC checks
+
this.hadoopConf.setBoolean("fs.file.impl.disable.cache", true);
- this.hadoopConf.set("fs.file.impl", RawLocalFileSystem.class.getName());
+ String defaultFS = this.hadoopConf.get(FS_DEFAULTFS);
+ defaultFSURI = getURI(defaultFS, "Failed to get defaultFS URI");
+
+ if (isS3AFileSystem(defaultFSURI, zepConfigURI)) {
+ this.hadoopConf.set("fs.s3a.impl", S3AFileSystem.class.getName());
Review comment:
if we remove explicitly setting of fs.s3a.impl as S3AFileSystem, then it
throws the class cast exception as it sets fs.file.impl as RawLocalFileSystem.
So do we also need to remove the explicitly setting of fs.file.impl?
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