[IO-485] org.apache.commons.io.output.LockableFileWriter#append() overwrites rather than appends when two instance invoke this method to a same file.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 2.4
• Component/s: Streams/Writers
• Labels: easyfix

Environment

Mac OSX, jdk1.8

• Assignee: Unassigned
• Reporter: Yu Zhang
• Created: 19/Aug/15 07:59
• Updated: 19/Aug/15 09:17
• Resolved: 19/Aug/15 08:28

Description

LockableFileWriter fw0 = new LockableFileWriter("/tmp/push_failure.log");
fw0.append("hello,\n");
fw0.flush();
fw0.close();

LockableFileWriter fw1 = new LockableFileWriter("/tmp/push_failure.log");
fw1.append("world.");
fw1.flush();
fw1.close();

then the file's content is "world."