Example usage for org.apache.zookeeper KeeperException code

List of usage examples for org.apache.zookeeper KeeperException code

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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);
    }/*from  ww w  .  j a v  a  2s .  c  o m*/
    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);
    }/*from  w w  w .  j  a v  a2  s  .  c o 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);
        }/* www . j  a v a 2s  .  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 .jav a 2s  . com*/
            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));
            }//  ww w.  jav  a2 s  .c om
            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.stream.resolver.ZKStreamResolver.java

License:Apache License

@VisibleForTesting
ZooKeeper getZk() throws StreamException, InterruptedException {
    if (null == this.zk) {
        try {/*from  w  w  w . ja  v  a  2 s . co  m*/
            this.zk = ZooKeeperClient.createConnectedZooKeeper(zkServers, conf.getZkSessionTimeoutMs());
        } catch (KeeperException e) {
            throw new ZKException(e.code().intValue(), "Failed to create zookeeper client to " + zkServers);
        } catch (IOException e) {
            throw new MetadataException("Encountered IO Exception on creating zookeeper client to " + zkServers,
                    e);
        }
    }
    return this.zk;
}

From source file:org.apache.bookkeeper.stream.resolver.ZKStreamResolver.java

License:Apache License

private StreamFactoryMetadata resolve(String zkPath) throws StreamException, InterruptedException {
    byte[] data;/*  w  ww. ja  va 2s. co m*/
    try {
        data = getZk().getData(zkPath, false, new Stat());
    } catch (KeeperException.NoNodeException nne) {
        return null;
    } catch (KeeperException e) {
        throw new ZKException(e.code().intValue(), "Failed to resolve stream factory metadata from " + zkPath);
    }
    if (null == data || 0 == data.length) {
        return null;
    }
    try {
        return StreamFactoryMetadata.deserialize(data);
    } catch (StreamException e) {
        logger.warn("Invalid stream factory metadata found in {}", zkPath, e);
    }
    return null;
}

From source file:org.apache.bookkeeper.stream.resolver.ZKStreamResolver.java

License:Apache License

@Override
public void bind(StreamFactoryMetadata metadata, URI uri) throws StreamException, InterruptedException {
    String zkPath = uri.getPath();
    byte[] data = metadata.serialize();
    try {/*from  www  .  jav  a  2  s .c om*/
        ZkUtils.createFullPathOptimistic(getZk(), zkPath, data, ZooDefs.Ids.OPEN_ACL_UNSAFE,
                CreateMode.PERSISTENT);
    } catch (KeeperException.NodeExistsException nee) {
        try {
            getZk().setData(zkPath, data, -1);
        } catch (KeeperException e) {
            throw new ZKException(e.code().intValue(),
                    "Failed to bind stream factory metadata to zookeeper path " + zkPath);
        }
    } catch (KeeperException e) {
        throw new ZKException(e.code().intValue(),
                "Failed to create zookeeper path " + zkPath + " to bind metadata");
    }
}

From source file:org.apache.bookkeeper.stream.resolver.ZKStreamResolver.java

License:Apache License

@Override
public void unbind(URI uri) throws StreamException, InterruptedException {
    String zkPath = uri.getPath();
    byte[] data = new byte[0];
    try {/*  w  w w .ja va  2s. c o  m*/
        getZk().setData(zkPath, data, -1);
    } catch (KeeperException.NoNodeException nne) {
        return;
    } catch (KeeperException e) {
        throw new ZKException(e.code().intValue(),
                "Failed to unbind stream factory metadata in zookeeper path " + zkPath);
    }
}

From source file:org.apache.bookkeeper.stream.storage.impl.cluster.ZkClusterMetadataStoreTest.java

License:Apache License

@Test
public void testUnitialized() {
    ZkClusterMetadataStore newStore = new ZkClusterMetadataStore(curatorClient, zkServers,
            "/" + runtime.getMethodName() + "-new");

    try {//from w w w . j av a 2 s  .c o  m
        newStore.getClusterMetadata();
        fail("Should fail to get cluster metadata if not initialized");
    } catch (StorageRuntimeException sre) {
        assertTrue(sre.getCause() instanceof KeeperException);
        KeeperException cause = (KeeperException) sre.getCause();
        assertEquals(Code.NONODE, cause.code());
    }

    try {
        newStore.getClusterAssignmentData();
        fail("Should fail to get cluster assignment data if not initialized");
    } catch (StorageRuntimeException sre) {
        assertTrue(sre.getCause() instanceof KeeperException);
        KeeperException cause = (KeeperException) sre.getCause();
        assertEquals(Code.NONODE, cause.code());
    }
}