fanyang89 commented on code in PR #2141:
URL: https://github.com/apache/zookeeper/pull/2141#discussion_r1759081006


##########
zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnLog.java:
##########
@@ -701,14 +708,29 @@ 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();
+                        if (!deleted) {
+                            throw new IOException("Failed to delete empty tail 
log");

Review Comment:
   Thanks for your suggestion, revised in 7e38681



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: notifications-unsubscr...@zookeeper.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org

Reply via email to