kezhuw commented on code in PR #2141:
URL: https://github.com/apache/zookeeper/pull/2141#discussion_r1755969279
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zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnLog.java:
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@@ -701,14 +708,26 @@ public long getStorageSize() {
/**
* go to the next logfile
+ *
* @return true if there is one and false if there is no
* new file to be read
- * @throws IOException
*/
private boolean goToNextLog() throws IOException {
- if (storedFiles.size() > 0) {
+ if (!storedFiles.isEmpty()) {
this.logFile = storedFiles.remove(storedFiles.size() - 1);
- ia = createInputArchive(this.logFile);
+ try {
+ ia = createInputArchive(this.logFile);
+ } catch (EOFException ex) {
+ // If this file is the last log file in the database and
is empty,
+ // it means that the last time the file was created
+ // before the header was written.
+ if (storedFiles.isEmpty() && this.logFile.length() == 0) {
+ boolean deleted = this.logFile.delete();
+ LOG.warn("Delete empty tail log file to recover from
corruption, rebooting server. file: {}, deleted: {}",
+ this.logFile.getName(), deleted);
+ }
+ throw ex;
Review Comment:
I mean we should `return false` here to recover from last run without user
interference. The patch here will fail server startup and need user to start it
again.
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