mjsax commented on a change in pull request #9380:
URL: https://github.com/apache/kafka/pull/9380#discussion_r501406765
##########
File path:
streams/src/main/java/org/apache/kafka/streams/processor/internals/ProcessorStateManager.java
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@@ -603,7 +603,11 @@ public void checkpoint() {
try {
checkpointFile.write(checkpointingOffsets);
} catch (final IOException e) {
- log.warn("Failed to write offset checkpoint file to [{}]",
checkpointFile, e);
+ log.warn("Failed to write offset checkpoint file to [{}]." +
+ " This may occur if OS cleaned the state.dir in case when it
located in /tmp directory." +
+ " You can change location for state.dir to resolve problem." +
+ " This can also occur due to running multiple instances on the
same machine using the same state dir.",
Review comment:
Thanks for clarification @ableegoldman!
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