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Posted to commits@zookeeper.apache.org by ha...@apache.org on 2020/10/21 03:17:46 UTC
[zookeeper] branch master updated: ZOOKEEPER-3971: Auto close
resources with try catch block
This is an automated email from the ASF dual-hosted git repository.
hanm pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/zookeeper.git
The following commit(s) were added to refs/heads/master by this push:
new f06db8c ZOOKEEPER-3971: Auto close resources with try catch block
f06db8c is described below
commit f06db8c91becf812c539747a406ba84635b2c1ac
Author: kamaci <fu...@gmail.com>
AuthorDate: Tue Oct 20 20:17:34 2020 -0700
ZOOKEEPER-3971: Auto close resources with try catch block
Author: kamaci <fu...@gmail.com>
Reviewers: Michael Han <ha...@apache.org>, Enrico Olivelli <eo...@gmail.com>, Christopher Tubbs
Closes #1507 from kamaci/ZOOKEEPER-3971
---
.../zookeeper/server/persistence/FileTxnLog.java | 23 ++--------------------
1 file changed, 2 insertions(+), 21 deletions(-)
diff --git a/zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnLog.java b/zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnLog.java
index 62969ba..366d502 100644
--- a/zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnLog.java
+++ b/zookeeper-server/src/main/java/org/apache/zookeeper/server/persistence/FileTxnLog.java
@@ -354,10 +354,7 @@ public class FileTxnLog implements TxnLog, Closeable {
// if a log file is more recent we must scan it to find
// the highest zxid
long zxid = maxLog;
- TxnIterator itr = null;
- try {
- FileTxnLog txn = new FileTxnLog(logDir);
- itr = txn.read(maxLog);
+ try (FileTxnLog txn = new FileTxnLog(logDir); TxnIterator itr = txn.read(maxLog)) {
while (true) {
if (!itr.next()) {
break;
@@ -367,22 +364,10 @@ public class FileTxnLog implements TxnLog, Closeable {
}
} catch (IOException e) {
LOG.warn("Unexpected exception", e);
- } finally {
- close(itr);
}
return zxid;
}
- private void close(TxnIterator itr) {
- if (itr != null) {
- try {
- itr.close();
- } catch (IOException ioe) {
- LOG.warn("Error closing file iterator", ioe);
- }
- }
- }
-
/**
* commit the logs. make sure that everything hits the
* disk
@@ -468,9 +453,7 @@ public class FileTxnLog implements TxnLog, Closeable {
* @return true if successful false if not
*/
public boolean truncate(long zxid) throws IOException {
- FileTxnIterator itr = null;
- try {
- itr = new FileTxnIterator(this.logDir, zxid);
+ try (FileTxnIterator itr = new FileTxnIterator(this.logDir, zxid)) {
PositionInputStream input = itr.inputStream;
if (input == null) {
throw new IOException("No log files found to truncate! This could "
@@ -487,8 +470,6 @@ public class FileTxnLog implements TxnLog, Closeable {
LOG.warn("Unable to truncate {}", itr.logFile);
}
}
- } finally {
- close(itr);
}
return true;
}