Abacn commented on code in PR #28590:
URL: https://github.com/apache/beam/pull/28590#discussion_r1336118021
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sdks/java/io/hadoop-common/src/main/java/org/apache/beam/sdk/io/hadoop/SerializableConfiguration.java:
##########
@@ -54,8 +58,15 @@ public Configuration get() {
@Override
public void writeExternal(ObjectOutput out) throws IOException {
+ if (serializationCache == null) {
Review Comment:
is there any chance that conf gets changed (e.g. readExternal call) so we
should invalidate (set null) the cache?
##########
sdks/java/io/hadoop-common/src/main/java/org/apache/beam/sdk/io/hadoop/SerializableConfiguration.java:
##########
@@ -54,8 +58,15 @@ public Configuration get() {
@Override
public void writeExternal(ObjectOutput out) throws IOException {
+ if (serializationCache == null) {
Review Comment:
is there any chance that conf gets changed (e.g. readExternal call) so we
should invalidate (set null) the cache at corresponding place?
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