sankarh commented on a change in pull request #642: HIVE-21776 : Replication
fails to replicate a UDF with jar on HDFS during incremental
URL: https://github.com/apache/hive/pull/642#discussion_r287365528
##########
File path:
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/ReplChangeManager.java
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@@ -356,6 +356,9 @@ public static FileInfo getFileInfo(Path src, String
checksumString, String srcCM
// Currently using fileuri#checksum#cmrooturi#subdirs as the format
public static String encodeFileUri(String fileUriStr, String fileChecksum,
String encodedSubDir)
throws IOException {
+ if (instance == null) {
+ throw new IOException("Uninitialized ReplChangeManager instance.");
+ }
String encodedUri = fileUriStr;
Review comment:
I agree that we need not fix it right away as we currently enforce to enable
CM for replication to work.
But, in HDP 2.6, we already support replication even when CM is disabled
which is broken in HDP 3.1. This is due to difference in implementation of
isCMFileUri method in both these versions.
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