List of usage examples for org.apache.zookeeper KeeperException code
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From source file:io.reign.zk.ResilientZkClient.java
License:Apache License
/** * /*from w ww .j a v a2 s .co m*/ * @param errorCode * @return true if exception can be classified as a ZK session error */ private boolean isZooKeeperSessionError(KeeperException.Code errorCode) { return (errorCode == KeeperException.Code.CONNECTIONLOSS || errorCode == KeeperException.Code.RUNTIMEINCONSISTENCY || errorCode == KeeperException.Code.SESSIONEXPIRED || errorCode == KeeperException.Code.SYSTEMERROR || errorCode == KeeperException.Code.SESSIONMOVED); }
From source file:io.s4.ft.BookKeeperStateStorage.java
License:Open Source License
/** * ZooKeeper data callback./* w w w .ja v a 2 s. co m*/ * * @param rc * @param path * @param ctx * @param data * @param stat */ public void processResult(int rc, String path, Object ctx, byte data[], Stat stat) { FetchCtx fctx = (FetchCtx) ctx; if (KeeperException.Code.get(rc) == KeeperException.Code.OK) { /* * Open ledger for reading. */ ByteBuffer ledgerIdBB = ByteBuffer.wrap(data); bk.asyncOpenLedger(ledgerIdBB.getLong(), DigestType.CRC32, "flaviowashere".getBytes(), (AsyncCallback.OpenCallback) this, (Object) fctx); } else { logger.error("Failed to open ledger for reading: " + rc); } }
From source file:io.s4.ft.BookKeeperStateStorage.java
License:Open Source License
/** * ZooKeeper get children callback./*from w ww . j a va2s . c o m*/ * * @param rc * @param path * @param ctx * @param children */ public void processResult(int rc, String path, Object ctx, List<String> children) { FetchKeysCtx fkCtx = (FetchKeysCtx) ctx; if (KeeperException.Code.get(rc) == KeeperException.Code.OK) { /* * Add keys to set. */ Set<SafeKeeperId> set = new HashSet<SafeKeeperId>(); for (String s : children) { fkCtx.keys.add(new SafeKeeperId(s)); } fkCtx.keys = set; } else { logger.error("Failed to get keys from ZooKeeper: " + rc); } if (fkCtx.sb != null) { fkCtx.sb.cross(); } }
From source file:io.tilt.minka.spectator.NodeCacheable.java
License:Apache License
private Collection<CuratorTransactionResult> createZNode(final CreateMode mode, final String path, final byte[] bytes) throws Exception { try {//from ww w .j a v a 2 s . co m logger.info("{}: ({}) Changing path: {}", getClass().getSimpleName(), getLogId(), path); return getClient().inTransaction().setData().forPath(path, bytes).and().commit(); } catch (KeeperException ke) { if (ke.code() == KeeperException.Code.NONODE) { logger.info("{}: ({}) Creating parent path for first time: {} because: {}", getClass().getSimpleName(), getLogId(), path, ke.getMessage()); return getClient().inTransaction().create().withMode(mode).forPath(path, bytes).and().commit(); } else { logger.error("{}: ({}) Unexpected creating node: {}", getClass().getSimpleName(), getLogId(), path); throw ke; } } }
From source file:io.vertx.config.zookeeper.ZookeeperConfigStore.java
License:Apache License
private void retrieve(CuratorEvent event, Handler<AsyncResult<Buffer>> completionHandler) { KeeperException.Code code = KeeperException.Code.get(event.getResultCode()); if (code == KeeperException.Code.OK) { completionHandler.handle(Future.succeededFuture(Buffer.buffer(event.getData()))); } else if (code == KeeperException.Code.NONODE) { completionHandler.handle(Future.succeededFuture(Buffer.buffer("{}"))); } else {/*w w w . ja v a 2 s . com*/ completionHandler.handle(Future.failedFuture(KeeperException.create(code, path))); } }
From source file:io.vertx.config.zookeeper.ZookeeperConfigStoreTest.java
License:Apache License
private void dataWrittenCallback(Handler<AsyncResult<Void>> handler, Context context, CuratorEvent event) { context.runOnContext((x) -> {// w ww .j ava2 s .c o m if (event.getResultCode() == 0) { handler.handle(Future.succeededFuture()); } else { handler.handle(Future .failedFuture(KeeperException.create(KeeperException.Code.get(event.getResultCode())))); } }); }
From source file:jp.queuelinker.system.net.ZookeeperConnection.java
License:Apache License
/** * @param path/*from w ww . j a va2s . c o m*/ * @return * @throws InterruptedException * @throws KeeperException */ public int getAndIncrementAtomicInt(final String path) throws InterruptedException, KeeperException { Stat stat = new Stat(); while (true) { byte[] data; try { data = super.getData(path, false, stat); } catch (KeeperException e) { throw e; } assert (data.length == 4); final int oldValue = ByteConverter.getIntValue(data); data = ByteConverter.getByteArrayOfInt(oldValue + 1); try { super.setData(path, data, stat.getVersion()); } catch (KeeperException e) { if (e.code() == Code.BADVERSION) { continue; } else { throw e; } } return oldValue; } }
From source file:net.sf.katta.zk.ZKClient.java
License:Apache License
/** * Deletes a given path. For recursive deletes use * {@link #deleteRecursive(String)}.// w ww .java2s. c o m * * @param path * @return * @throws KattaException */ public boolean delete(final String path) throws KattaException { ensureZkRunning(); try { if (_zk != null) { _zk.delete(path, -1); } return true; } catch (final KeeperException e) { String message = "unable to delete path: " + path; if (KeeperException.Code.NOTEMPTY == e.code()) { message += " Path has sub nodes."; } throw new KattaException(message, e); } catch (final Exception e) { throw new KattaException("unable to delete path:" + path, e); } }
From source file:net.sf.katta.zk.ZKClient.java
License:Apache License
/** * Deletes a path and all children recursively. * /*w w w. j a v a 2 s . c o m*/ * @param path * The path to delete. * @return true if successful. * @throws KattaException */ public boolean deleteRecursive(final String path) throws KattaException { ensureZkRunning(); try { final List<String> children = _zk.getChildren(path, false); for (final String child : children) { String subPath = path + (path.endsWith("/") ? "" : _conf.getSeparator()) + child; if (!deleteRecursive(subPath)) { return false; } } } catch (final KeeperException e) { // do nothing since we simply do not have children here. } catch (final InterruptedException e) { throw new KattaException("retrieving children was interruppted", e); } if (path.equals("/") || path.equals("/zookeeper") || path.startsWith("/zookeeper/")) { // Special case when root path = /. Can't delete these. return true; } try { _zk.delete(path, -1); } catch (final KeeperException e) { if (e.code() != KeeperException.Code.NONODE) { throw new KattaException("unable to delete:" + path, e); } } catch (final Exception e) { throw new KattaException("unable to delete:" + path, e); } return true; }
From source file:org.apache.accumulo.core.zookeeper.ZooUtil.java
License:Apache License
/** * This method will delete a node and all its children from zookeeper * /*from ww w. java 2s .c o m*/ * @param zPath * the path to delete */ public static void recursiveDelete(ZooKeeper zk, String zPath, int version, NodeMissingPolicy policy) throws KeeperException, InterruptedException { if (policy.equals(NodeMissingPolicy.CREATE)) throw new IllegalArgumentException(policy.name() + " is invalid for this operation"); try { for (String child : zk.getChildren(zPath, false)) recursiveDelete(zk, zPath + "/" + child, NodeMissingPolicy.SKIP); Stat stat; if ((stat = zk.exists(zPath, null)) != null) zk.delete(zPath, stat.getVersion()); } catch (KeeperException e) { if (policy.equals(NodeMissingPolicy.SKIP) && e.code().equals(KeeperException.Code.NONODE)) return; throw e; } }