List of usage examples for org.apache.zookeeper KeeperException create
public static KeeperException create(Code code)
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void getManagedLedgerInfo(final String ledgerName, final MetaStoreCallback<ManagedLedgerInfo> callback) { // Try to get the content or create an empty node zk.getData(prefix + ledgerName, false, (DataCallback) (rc, path, ctx, readData, stat) -> { executor.submit(safeRun(() -> { if (rc == KeeperException.Code.OK.intValue()) { try { ManagedLedgerInfo.Builder builder = ManagedLedgerInfo.newBuilder(); TextFormat.merge(new String(readData, Encoding), builder); ManagedLedgerInfo info = builder.build(); info = updateMLInfoTimestamp(info); callback.operationComplete(info, new ZKVersion(stat.getVersion())); } catch (ParseException e) { callback.operationFailed(new MetaStoreException(e)); }// ww w.j a v a 2 s . co m } else if (rc == KeeperException.Code.NONODE.intValue()) { log.info("Creating '{}{}'", prefix, ledgerName); StringCallback createcb = new StringCallback() { public void processResult(int rc, String path, Object ctx, String name) { if (rc == KeeperException.Code.OK.intValue()) { ManagedLedgerInfo info = ManagedLedgerInfo.getDefaultInstance(); callback.operationComplete(info, new ZKVersion(0)); } else { callback.operationFailed(new MetaStoreException( KeeperException.create(KeeperException.Code.get(rc)))); } } }; ZkUtils.asyncCreateFullPathOptimistic(zk, prefix + ledgerName, new byte[0], Acl, CreateMode.PERSISTENT, createcb, null); } else { callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); } })); }, null); }
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void asyncUpdateLedgerIds(String ledgerName, ManagedLedgerInfo mlInfo, Version version, final MetaStoreCallback<Void> callback) { ZKVersion zkVersion = (ZKVersion) version; if (log.isDebugEnabled()) { log.debug("[{}] Updating metadata version={} with content={}", ledgerName, zkVersion.version, mlInfo); }/*from ww w . ja v a 2 s . c o m*/ zk.setData(prefix + ledgerName, mlInfo.toString().getBytes(Encoding), zkVersion.version, new StatCallback() { public void processResult(int rc, String path, Object zkCtx, Stat stat) { executor.submit(safeRun(() -> { if (log.isDebugEnabled()) { log.debug("[{}] UpdateLedgersIdsCallback.processResult rc={} newVersion={}", ledgerName, Code.get(rc), stat != null ? stat.getVersion() : "null"); } MetaStoreException status = null; if (rc == KeeperException.Code.BADVERSION.intValue()) { // Content has been modified on ZK since our last read status = new BadVersionException( KeeperException.create(KeeperException.Code.get(rc))); callback.operationFailed(status); } else if (rc != KeeperException.Code.OK.intValue()) { status = new MetaStoreException( KeeperException.create(KeeperException.Code.get(rc))); callback.operationFailed(status); } else { callback.operationComplete(null, new ZKVersion(stat.getVersion())); } })); } }, null); }
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void getCursors(final String ledgerName, final MetaStoreCallback<List<String>> callback) { if (log.isDebugEnabled()) { log.debug("[{}] Get cursors list", ledgerName); }// ww w.ja v a 2s .c om zk.getChildren(prefix + ledgerName, false, new Children2Callback() { public void processResult(int rc, String path, Object ctx, List<String> children, Stat stat) { executor.submit(safeRun(() -> { if (log.isDebugEnabled()) { log.debug("[{}] getConsumers complete rc={} children={}", ledgerName, Code.get(rc), children); } if (rc != KeeperException.Code.OK.intValue()) { callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); return; } if (log.isDebugEnabled()) { log.debug("[{}] Get childrend completed version={}", ledgerName, stat.getVersion()); } ZKVersion version = new ZKVersion(stat.getVersion()); callback.operationComplete(children, version); })); } }, null); }
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void asyncGetCursorInfo(String ledgerName, String consumerName, final MetaStoreCallback<ManagedCursorInfo> callback) { String path = prefix + ledgerName + "/" + consumerName; if (log.isDebugEnabled()) { log.debug("Reading from {}", path); }/* w w w . j a va 2s .co m*/ zk.getData(path, false, (DataCallback) (rc, path1, ctx, data, stat) -> { executor.submit(safeRun(() -> { if (rc != KeeperException.Code.OK.intValue()) { callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); } else { try { ManagedCursorInfo.Builder info = ManagedCursorInfo.newBuilder(); TextFormat.merge(new String(data, Encoding), info); callback.operationComplete(info.build(), new ZKVersion(stat.getVersion())); } catch (ParseException e) { callback.operationFailed(new MetaStoreException(e)); } } })); }, null); if (log.isDebugEnabled()) { log.debug("Reading from {} ok", path); } }
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void asyncUpdateCursorInfo(final String ledgerName, final String cursorName, final ManagedCursorInfo info, Version version, final MetaStoreCallback<Void> callback) { log.info("[{}] [{}] Updating cursor info ledgerId={} mark-delete={}:{}", ledgerName, cursorName, info.getCursorsLedgerId(), info.getMarkDeleteLedgerId(), info.getMarkDeleteEntryId()); String path = prefix + ledgerName + "/" + cursorName; byte[] content = info.toString().getBytes(Encoding); if (version == null) { if (log.isDebugEnabled()) { log.debug("[{}] Creating consumer {} on meta-data store with {}", ledgerName, cursorName, info); }//from w w w. j a v a 2 s .c om zk.create(path, content, Acl, CreateMode.PERSISTENT, (rc, path1, ctx, name) -> { executor.submit(safeRun(() -> { if (rc != KeeperException.Code.OK.intValue()) { log.warn("[{}] Error creating cosumer {} node on meta-data store with {}: ", ledgerName, cursorName, info, KeeperException.Code.get(rc)); callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); } else { if (log.isDebugEnabled()) { log.debug("[{}] Created consumer {} on meta-data store with {}", ledgerName, cursorName, info); } callback.operationComplete(null, new ZKVersion(0)); } })); }, null); } else { ZKVersion zkVersion = (ZKVersion) version; if (log.isDebugEnabled()) { log.debug("[{}] Updating consumer {} on meta-data store with {}", ledgerName, cursorName, info); } zk.setData(path, content, zkVersion.version, (rc, path1, ctx, stat) -> { executor.submit(safeRun(() -> { if (rc == KeeperException.Code.BADVERSION.intValue()) { callback.operationFailed( new BadVersionException(KeeperException.create(KeeperException.Code.get(rc)))); } else if (rc != KeeperException.Code.OK.intValue()) { callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); } else { callback.operationComplete(null, new ZKVersion(stat.getVersion())); } })); }, null); } }
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void asyncRemoveCursor(final String ledgerName, final String consumerName, final MetaStoreCallback<Void> callback) { log.info("[{}] Remove consumer={}", ledgerName, consumerName); zk.delete(prefix + ledgerName + "/" + consumerName, -1, (rc, path, ctx) -> { executor.submit(safeRun(() -> { if (log.isDebugEnabled()) { log.debug("[{}] [{}] zk delete done. rc={}", ledgerName, consumerName, Code.get(rc)); }// w w w. j a v a 2 s. c o m if (rc == KeeperException.Code.OK.intValue()) { callback.operationComplete(null, null); } else { callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); } })); }, null); }
From source file:org.apache.bookkeeper.mledger.impl.MetaStoreImplZookeeper.java
License:Apache License
@Override public void removeManagedLedger(String ledgerName, MetaStoreCallback<Void> callback) { log.info("[{}] Remove ManagedLedger", ledgerName); zk.delete(prefix + ledgerName, -1, (rc, path, ctx) -> { executor.submit(safeRun(() -> { if (log.isDebugEnabled()) { log.debug("[{}] zk delete done. rc={}", ledgerName, Code.get(rc)); }//w ww .j a va2 s . co m if (rc == KeeperException.Code.OK.intValue()) { callback.operationComplete(null, null); } else { callback.operationFailed( new MetaStoreException(KeeperException.create(KeeperException.Code.get(rc)))); } })); }, null); }
From source file:org.apache.bookkeeper.util.ZkUtils.java
License:Apache License
/** * Create zookeeper path recursively and optimistically. This method can throw * any of the KeeperExceptions which can be thrown by ZooKeeper#create. * KeeperException.NodeExistsException will only be thrown if the full path specified * by _path_ already exists. The existence of any parent znodes is not an error * condition./* w ww .ja v a2s . c o m*/ * * @param zkc * - ZK instance * @param path * - znode path * @param data * - znode data * @param acl * - Acl of the zk path * @param createMode * - Create mode of zk path * @throws KeeperException * if the server returns a non-zero error code, or invalid ACL * @throws InterruptedException * if the transaction is interrupted */ public static void createFullPathOptimistic(ZooKeeper zkc, String path, byte[] data, final List<ACL> acl, final CreateMode createMode) throws KeeperException, InterruptedException { final CountDownLatch latch = new CountDownLatch(1); final AtomicInteger rc = new AtomicInteger(Code.OK.intValue()); asyncCreateFullPathOptimistic(zkc, path, data, acl, createMode, new StringCallback() { @Override public void processResult(int rc2, String path, Object ctx, String name) { rc.set(rc2); latch.countDown(); } }, null); latch.await(); if (rc.get() != Code.OK.intValue()) { throw KeeperException.create(Code.get(rc.get())); } }
From source file:org.apache.bookkeeper.zookeeper.ZooKeeperWatcherBase.java
License:Apache License
/** * Waiting for the SyncConnected event from the ZooKeeper server * * @throws KeeperException/*w ww . j ava 2 s . c om*/ * when there is no connection * @throws InterruptedException * interrupted while waiting for connection */ public void waitForConnection() throws KeeperException, InterruptedException { if (!clientConnectLatch.await(zkSessionTimeOut, TimeUnit.MILLISECONDS)) { throw KeeperException.create(KeeperException.Code.CONNECTIONLOSS); } }
From source file:org.apache.curator.framework.imps.CuratorFrameworkImpl.java
License:Apache License
@SuppressWarnings({ "ThrowableResultOfMethodCallIgnored" })
private <DATA_TYPE> boolean checkBackgroundRetry(OperationAndData<DATA_TYPE> operationAndData,
CuratorEvent event) {/*from w w w .j av a 2s . co m*/
boolean doRetry = false;
if (client.getRetryPolicy().allowRetry(operationAndData.getThenIncrementRetryCount(),
operationAndData.getElapsedTimeMs(), operationAndData)) {
doRetry = true;
} else {
if (operationAndData.getErrorCallback() != null) {
operationAndData.getErrorCallback().retriesExhausted(operationAndData);
}
if (operationAndData.getCallback() != null) {
sendToBackgroundCallback(operationAndData, event);
}
KeeperException.Code code = KeeperException.Code.get(event.getResultCode());
Exception e = null;
try {
e = (code != null) ? KeeperException.create(code) : null;
} catch (Throwable t) {
ThreadUtils.checkInterrupted(t);
}
if (e == null) {
e = new Exception("Unknown result codegetResultCode()");
}
validateConnection(codeToState(code));
logError("Background operation retry gave up", e);
}
return doRetry;
}