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NIFI-259: Distinguish between unable to communicate with ZK and 'bad version' when performing 'replace' method of ZooKeeperStateProvider 

Signed-off-by: Aldrin Piri <aldrin@apache.org>
This commit is contained in:
Mark Payne 2016-02-01 16:12:01 -05:00 committed by Aldrin Piri
parent a931e72787
commit 35d2b921ea
1 changed files with 9 additions and 1 deletions
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8
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-core/src/main/java/org/apache/nifi/controller/state/providers/zookeeper/ZooKeeperStateProvider.java
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@ -439,10 +439,18 @@ public class ZooKeeperStateProvider extends AbstractStateProvider {
setState(newValue, (int) oldValue.getVersion(), componentId); setState(newValue, (int) oldValue.getVersion(), componentId);
return true; return true;
} catch (final IOException ioe) { } catch (final IOException ioe) {
final Throwable cause = ioe.getCause();
if (cause != null && cause instanceof KeeperException) {
final KeeperException ke = (KeeperException) cause;
if (Code.BADVERSION == ke.code()) {
return false; return false;
} }
} }
throw ioe;
}
}
@Override @Override
public void clear(final String componentId) throws IOException { public void clear(final String componentId) throws IOException {