Example usage for org.apache.zookeeper KeeperException create

Introduction

In this page you can find the example usage for org.apache.zookeeper KeeperException create.

Prototype

public static KeeperException create(Code code)

Source Link

Document

All non-specific keeper exceptions should be constructed via this factory method in order to guarantee consistency in error codes and such.

Usage

From source file:org.apache.niolex.zookeeper.core.ZKConnectorExceTest.java

License:Apache License

@Test
@Order(9)//from w w  w. jav  a2 s .  com
public void testUpdateNodeDataE() throws Exception {
    ZKC.zk = mock(ZooKeeper.class);
    KeeperException ke = KeeperException.create(KeeperException.Code.NONODE);
    byte[] data = "not".getBytes();
    String path = "/lex/zkc/bbc";
    doThrow(ke).when(ZKC.zk).setData(path, data, -1);
    try {
        ZKC.updateNodeData(path, data);
        assertFalse(true);
    } catch (ZKException e) {
        assertEquals(e.getCode(), ZKException.Code.NO_NODE);
    }
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetCode2() throws Exception {
    ZKException zk = ZKException.makeInstance("NODE_EXISTS",
            KeeperException.create(KeeperException.Code.NODEEXISTS));
    assertEquals(zk.getCode(), ZKException.Code.NODE_EXISTS);
    System.out.println(zk.getMessage());
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetCode3() throws Exception {
    ZKException zk = ZKException.makeInstance("SYSTEM_ERROR",
            KeeperException.create(KeeperException.Code.SYSTEMERROR));
    assertEquals(zk.getCode(), ZKException.Code.SYSTEM_ERROR);
    System.out.println(zk.getMessage());
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetCode4() throws Exception {
    ZKException zk = ZKException.makeInstance("DISCONNECTED",
            KeeperException.create(KeeperException.Code.CONNECTIONLOSS));
    assertEquals(zk.getCode(), ZKException.Code.DISCONNECTED);
    System.out.println(zk.getMessage());
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetCode5() throws Exception {
    ZKException zk = ZKException.makeInstance("DISCONNECTED",
            KeeperException.create(KeeperException.Code.NONODE));
    assertEquals(zk.getCode(), ZKException.Code.NO_NODE);
    System.out.println(zk.getMessage());
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetMessage() throws Exception {
    ZKException zk = ZKException.makeInstance("not yet implemented",
            KeeperException.create(KeeperException.Code.NOAUTH));
    assertEquals(zk.getCode(), ZKException.Code.NO_AUTH);
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetMessage2() throws Exception {
    ZKException zk = ZKException.makeInstance("not yet implemented",
            KeeperException.create(KeeperException.Code.AUTHFAILED));
    assertEquals(zk.getCode(), ZKException.Code.NO_AUTH);
}

From source file:org.apache.niolex.zookeeper.core.ZKExceptionTest.java

License:Apache License

@Test
public void testGetMessage3() throws Exception {
    ZKException zk = ZKException.makeInstance("not yet implemented",
            KeeperException.create(KeeperException.Code.APIERROR));
    assertEquals(zk.getCode(), ZKException.Code.SYSTEM_ERROR);
}

From source file:org.apache.pulsar.broker.namespace.NamespaceService.java

License:Apache License

/**
 * 1. split the given bundle into two bundles 2. assign ownership of both the bundles to current broker 3. update
 * policies with newly created bundles into LocalZK 4. disable original bundle and refresh the cache
 *
 * @param bundle//from w  w w. ja  va  2  s  .  co m
 * @return
 * @throws Exception
 */
public CompletableFuture<Void> splitAndOwnBundle(NamespaceBundle bundle) throws Exception {

    final CompletableFuture<Void> future = new CompletableFuture<>();

    Pair<NamespaceBundles, List<NamespaceBundle>> splittedBundles = bundleFactory.splitBundles(bundle,
            2 /* by default split into 2 */);
    if (splittedBundles != null) {
        checkNotNull(splittedBundles.getLeft());
        checkNotNull(splittedBundles.getRight());
        checkArgument(splittedBundles.getRight().size() == 2, "bundle has to be split in two bundles");
        NamespaceName nsname = bundle.getNamespaceObject();
        try {
            // take ownership of newly split bundles
            for (NamespaceBundle sBundle : splittedBundles.getRight()) {
                checkNotNull(ownershipCache.tryAcquiringOwnership(sBundle));
            }
            updateNamespaceBundles(nsname, splittedBundles.getLeft(),
                    (rc, path, zkCtx, stat) -> pulsar.getOrderedExecutor().submit(safeRun(() -> {
                        if (rc == KeeperException.Code.OK.intValue()) {
                            // disable old bundle
                            try {
                                ownershipCache.disableOwnership(bundle);
                                // invalidate cache as zookeeper has new split
                                // namespace bundle
                                bundleFactory.invalidateBundleCache(nsname);
                                // update bundled_topic cache for load-report-generation
                                pulsar.getBrokerService().refreshTopicToStatsMaps(bundle);
                                loadManager.get().setLoadReportForceUpdateFlag();
                                future.complete(null);
                            } catch (Exception e) {
                                String msg1 = format(
                                        "failed to disable bundle %s under namespace [%s] with error %s",
                                        nsname.toString(), bundle.toString(), e.getMessage());
                                LOG.warn(msg1, e);
                                future.completeExceptionally(new ServiceUnitNotReadyException(msg1));
                            }
                        } else {
                            String msg2 = format("failed to update namespace [%s] policies due to %s",
                                    nsname.toString(),
                                    KeeperException.create(KeeperException.Code.get(rc)).getMessage());
                            LOG.warn(msg2);
                            future.completeExceptionally(new ServiceUnitNotReadyException(msg2));
                        }
                    })));
        } catch (Exception e) {
            String msg = format("failed to aquire ownership of split bundle for namespace [%s], %s",
                    nsname.toString(), e.getMessage());
            LOG.warn(msg, e);
            future.completeExceptionally(new ServiceUnitNotReadyException(msg));
        }

    } else {
        String msg = format("bundle %s not found under namespace", bundle.toString());
        future.completeExceptionally(new ServiceUnitNotReadyException(msg));
    }
    return future;
}

From source file:org.apache.pulsar.broker.namespace.OwnershipCache.java

License:Apache License

/**
 * Method to remove the ownership of local broker on the <code>NamespaceBundle</code>, if owned
 *
 *//*from w  w  w  .  ja  v a2  s .co m*/
public CompletableFuture<Void> removeOwnership(NamespaceBundle bundle) {
    CompletableFuture<Void> result = new CompletableFuture<>();
    String key = ServiceUnitZkUtils.path(bundle);
    localZkCache.getZooKeeper().delete(key, -1, (rc, path, ctx) -> {
        if (rc == KeeperException.Code.OK.intValue() || rc == KeeperException.Code.NONODE.intValue()) {
            LOG.info("[{}] Removed zk lock for service unit: {}", key, KeeperException.Code.get(rc));
            ownedBundlesCache.synchronous().invalidate(key);
            ownershipReadOnlyCache.invalidate(key);
            result.complete(null);
        } else {
            LOG.warn("[{}] Failed to delete the namespace ephemeral node. key={}", key,
                    KeeperException.Code.get(rc));
            result.completeExceptionally(KeeperException.create(rc));
        }
    }, null);
    return result;
}