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Posted to dev@hbase.apache.org by "Umesh Agashe (JIRA)" <ji...@apache.org> on 2016/10/21 22:50:58 UTC
[jira] [Created] (HBASE-16930) AssignmentManager.java:checkWals()
function can recur infinitely
Umesh Agashe created HBASE-16930:
------------------------------------
Summary: AssignmentManager.java:checkWals() function can recur infinitely
Key: HBASE-16930
URL: https://issues.apache.org/jira/browse/HBASE-16930
Project: HBase
Issue Type: Bug
Components: Region Assignment
Reporter: Umesh Agashe
Assignee: Umesh Agashe
Recursion in AssignmentManager.checkWals() uses the same input argument. See the code below:
{code}
private boolean checkWals(FileSystem fs, Path dir) throws IOException {
if (!fs.exists(dir)) {
LOG.debug(dir + " doesn't exist");
return false;
}
if (!fs.getFileStatus(dir).isDirectory()) {
LOG.warn(dir + " is not a directory");
return false;
}
FileStatus[] files = FSUtils.listStatus(fs, dir);
if (files == null || files.length == 0) {
LOG.debug(dir + " has no files");
return false;
}
for (int i = 0; i < files.length; i++) {
if (files[i].isFile() && files[i].getLen() > 0) {
LOG.debug(dir + " has a non-empty file: " + files[i].getPath());
return true;
} else if (files[i].isDirectory() && checkWals(fs, dir)) {
LOG.debug(dir + " is a directory and has a non-empty file: " + files[i].getPath());
return true;
}
}
LOG.debug("Found 0 non-empty wal files for :" + dir);
return false;
}
{code}
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