Tsz-wo Sze created HDDS-9527:
--------------------------------
Summary: Race condition in RocksDatabase
Key: HDDS-9527
URL: https://issues.apache.org/jira/browse/HDDS-9527
Project: Apache Ozone
Issue Type: Bug
Components: db
Reporter: Tsz-wo Sze
Suppose thread 1 just has passed assertClose() as shown below. Since isClosed
is false and counter is 0, thread 2 can call close() successfully. Then, the
JVM will crash as described in HDDS-7284.
{code}
public void put(ColumnFamily family, byte[] key, byte[] value)
throws IOException {
assertClose();
// <----------- thread 1, isClosed is
false, counter is 0
try {
counter.incrementAndGet();
db.get().put(family.getHandle(), writeOptions, key, value);
} catch (RocksDBException e) {
closeOnError(e, true);
throw toIOException(this, "put " + bytes2String(key), e);
} finally {
counter.decrementAndGet();
}
}
{code}
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