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Posted to commits@lucene.apache.org by ma...@apache.org on 2020/12/16 17:09:32 UTC
[lucene-solr] 02/02: @1243 Minor fixes.
This is an automated email from the ASF dual-hosted git repository.
markrmiller pushed a commit to branch reference_impl_dev
in repository https://gitbox.apache.org/repos/asf/lucene-solr.git
commit 794972d721e03dc87b6caad7c1432df99e2287fe
Author: markrmiller@gmail.com <ma...@gmail.com>
AuthorDate: Wed Dec 16 11:05:23 2020 -0600
@1243 Minor fixes.
---
.../solr/cloud/ShardLeaderElectionContext.java | 10 +-
.../org/apache/solr/cloud/ZkCollectionTerms.java | 6 +-
.../java/org/apache/solr/cloud/ZkController.java | 139 ++++++++++-----------
.../java/org/apache/solr/core/CoreContainer.java | 42 +++----
.../solr/handler/admin/CollectionsHandler.java | 2 +-
.../solr/handler/admin/CoreAdminHandler.java | 2 +-
.../org/apache/solr/cloud/ReplaceNodeTest.java | 2 +
.../CreateCollectionsIndexAndRestartTest.java | 2 +-
.../org/apache/solr/core/TestCodecSupport.java | 3 +-
.../apache/solr/common/cloud/ZkStateReader.java | 47 ++++---
10 files changed, 133 insertions(+), 122 deletions(-)
diff --git a/solr/core/src/java/org/apache/solr/cloud/ShardLeaderElectionContext.java b/solr/core/src/java/org/apache/solr/cloud/ShardLeaderElectionContext.java
index 60acb70..e2af971 100644
--- a/solr/core/src/java/org/apache/solr/cloud/ShardLeaderElectionContext.java
+++ b/solr/core/src/java/org/apache/solr/cloud/ShardLeaderElectionContext.java
@@ -21,7 +21,6 @@ import java.lang.invoke.MethodHandles;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
-import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.solr.cloud.overseer.OverseerAction;
import org.apache.solr.common.AlreadyClosedException;
import org.apache.solr.common.ParWork;
@@ -37,10 +36,8 @@ import org.apache.solr.core.CoreContainer;
import org.apache.solr.core.CoreDescriptor;
import org.apache.solr.core.SolrCore;
import org.apache.solr.logging.MDCLoggingContext;
-import org.apache.solr.search.SolrIndexSearcher;
import org.apache.solr.update.PeerSync;
import org.apache.solr.update.UpdateLog;
-import org.apache.solr.util.RefCounted;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.KeeperException.SessionExpiredException;
import org.slf4j.Logger;
@@ -102,6 +99,7 @@ final class ShardLeaderElectionContext extends ShardLeaderElectionContextBase {
String coreName = leaderProps.getName();
log.info("Run leader process for shard [{}] election, first step is to try and sync with the shard core={}", context.leaderProps.getSlice(), coreName);
+ cc.waitForLoadingCore(coreName, 15000);
try (SolrCore core = cc.getCore(coreName)) {
if (core == null) {
log.error("No SolrCore found, cannot become leader {}", coreName);
@@ -186,9 +184,9 @@ final class ShardLeaderElectionContext extends ShardLeaderElectionContextBase {
success = true;
}
}
+ } else {
+ log.info("Our sync attempt succeeded");
}
- log.info("Our sync attempt succeeded");
-
// solrcloud_debug
// if (log.isDebugEnabled()) {
// try {
@@ -228,6 +226,7 @@ final class ShardLeaderElectionContext extends ShardLeaderElectionContextBase {
// in case of leaderVoteWait timeout, a replica with lower term can win the election
if (setTermToMax) {
log.error("WARNING: Potential data loss -- Replica {} became leader after timeout (leaderVoteWait) " + "without being up-to-date with the previous leader", coreName);
+ zkController.createCollectionTerms(collection);
zkController.getShardTerms(collection, shardId).setTermEqualsToLeader(coreName);
}
@@ -245,6 +244,7 @@ final class ShardLeaderElectionContext extends ShardLeaderElectionContextBase {
ParWork.propagateInterrupt("Already closed or interrupted, bailing..", e);
throw new SolrException(ErrorCode.SERVER_ERROR, e);
} catch (SessionExpiredException e) {
+ SolrException.log(log, "SessionExpired", e);
throw e;
} catch (Exception e) {
SolrException.log(log, "There was a problem trying to register as the leader", e);
diff --git a/solr/core/src/java/org/apache/solr/cloud/ZkCollectionTerms.java b/solr/core/src/java/org/apache/solr/cloud/ZkCollectionTerms.java
index 42311fc..b5b4ef4 100644
--- a/solr/core/src/java/org/apache/solr/cloud/ZkCollectionTerms.java
+++ b/solr/core/src/java/org/apache/solr/cloud/ZkCollectionTerms.java
@@ -18,6 +18,7 @@
package org.apache.solr.cloud;
import org.apache.solr.common.cloud.SolrZkClient;
+import org.apache.solr.common.util.IOUtils;
import org.apache.solr.common.util.ObjectReleaseTracker;
import org.apache.solr.core.CoreDescriptor;
import org.apache.zookeeper.KeeperException;
@@ -47,8 +48,11 @@ class ZkCollectionTerms implements AutoCloseable {
ZkShardTerms getShard(String shardId) throws Exception {
collectionToTermsLock.lock();
try {
+ ZkShardTerms zkterms = null;
if (!terms.containsKey(shardId)) {
- terms.put(shardId, new ZkShardTerms(collection, shardId, zkClient));
+ zkterms = new ZkShardTerms(collection, shardId, zkClient);
+ IOUtils.closeQuietly(terms.put(shardId, zkterms));
+ return zkterms;
}
return terms.get(shardId);
} finally {
diff --git a/solr/core/src/java/org/apache/solr/cloud/ZkController.java b/solr/core/src/java/org/apache/solr/cloud/ZkController.java
index 242bd51..c1009a6 100644
--- a/solr/core/src/java/org/apache/solr/cloud/ZkController.java
+++ b/solr/core/src/java/org/apache/solr/cloud/ZkController.java
@@ -311,28 +311,29 @@ public class ZkController implements Closeable, Runnable {
}
}
- private class RegisterCoreAsync implements Callable<Object> {
+ public static class RegisterCoreAsync implements Callable<Object> {
- CoreDescriptor descriptor;
- boolean afterExpiration;
+ private final ZkController zkController;
+ final CoreDescriptor descriptor;
+ final boolean afterExpiration;
- RegisterCoreAsync(CoreDescriptor descriptor, boolean afterExpiration) {
+ public RegisterCoreAsync(ZkController zkController, CoreDescriptor descriptor, boolean afterExpiration) {
this.descriptor = descriptor;
this.afterExpiration = afterExpiration;
+ this.zkController = zkController;
}
public Object call() throws Exception {
if (log.isInfoEnabled()) {
log.info("Registering core {} afterExpiration? {}", descriptor.getName(), afterExpiration);
}
- if (cc.getLoadedCoreNames().contains(descriptor.getName())) {
- register(descriptor.getName(), descriptor);
- return descriptor;
- }
- return null;
+
+ zkController.register(descriptor.getName(), descriptor, afterExpiration);
+ return descriptor;
}
}
+
// notifies registered listeners after the ZK reconnect in the background
private static class OnReconnectNotifyAsync implements Callable<Object> {
@@ -490,7 +491,7 @@ public class ZkController implements Closeable, Runnable {
// unload solrcores that have been 'failed over'
// throwErrorIfReplicaReplaced(descriptor);
- ParWork.getRootSharedExecutor().submit(new RegisterCoreAsync(descriptor, true));
+ ParWork.getRootSharedExecutor().submit(new RegisterCoreAsync(ZkController.this, descriptor, true));
} catch (Exception e) {
SolrException.log(log, "Error registering SolrCore", e);
@@ -1314,12 +1315,7 @@ public class ZkController implements Closeable, Runnable {
}
public String register(String coreName, final CoreDescriptor desc) throws Exception {
- try (SolrCore core = cc.getCore(coreName)) {
- if (core == null || core.isClosing() || getCoreContainer().isShutDown()) {
- throw new AlreadyClosedException();
- }
- return register(core, desc, false);
- }
+ return register(coreName, desc, false);
}
/**
@@ -1327,27 +1323,21 @@ public class ZkController implements Closeable, Runnable {
*
* @return the shardId for the SolrCore
*/
- private String register(SolrCore core, final CoreDescriptor desc, boolean afterExpiration) throws Exception {
- if (getCoreContainer().isShutDown()) {
+ private String register(String coreName, final CoreDescriptor desc, boolean afterExpiration) throws Exception {
+ if (getCoreContainer().isShutDown() || isDcCalled()) {
throw new AlreadyClosedException();
}
MDCLoggingContext.setCoreDescriptor(cc, desc);
- String coreName = core.getName();
-
- if (core.isClosing() || cc.isShutDown()) {
- throw new AlreadyClosedException();
- }
-
+ ZkShardTerms shardTerms;
try {
final String baseUrl = getBaseUrl();
final CloudDescriptor cloudDesc = desc.getCloudDescriptor();
final String collection = cloudDesc.getCollectionName();
final String shardId = cloudDesc.getShardId();
-
log.info("Register terms for replica {}", coreName);
createCollectionTerms(collection);
- ZkShardTerms shardTerms = getShardTerms(collection, cloudDesc.getShardId());
+ shardTerms = getShardTerms(collection, cloudDesc.getShardId());
// the watcher is added to a set so multiple calls of this method will left only one watcher
getZkStateReader().registerCore(cloudDesc.getCollectionName());
@@ -1444,53 +1434,61 @@ public class ZkController implements Closeable, Runnable {
// TODO: should this be moved to another thread? To recoveryStrat?
// TODO: should this actually be done earlier, before (or as part of)
// leader election perhaps?
+ cc.waitForLoadingCore(coreName, 15000);
+ try (SolrCore core = cc.getCore(coreName)) {
+ if (core == null || core.isClosing() || getCoreContainer().isShutDown()) {
+ throw new AlreadyClosedException();
+ }
- UpdateLog ulog = core.getUpdateHandler().getUpdateLog();
- boolean isTlogReplicaAndNotLeader = replica.getType() == Replica.Type.TLOG && !isLeader;
- if (isTlogReplicaAndNotLeader) {
- String commitVersion = ReplicateFromLeader.getCommitVersion(core);
- if (commitVersion != null) {
- ulog.copyOverOldUpdates(Long.parseLong(commitVersion));
+ UpdateLog ulog = core.getUpdateHandler().getUpdateLog();
+ boolean isTlogReplicaAndNotLeader = replica.getType() == Replica.Type.TLOG && !isLeader;
+ if (isTlogReplicaAndNotLeader) {
+ String commitVersion = ReplicateFromLeader.getCommitVersion(core);
+ if (commitVersion != null) {
+ ulog.copyOverOldUpdates(Long.parseLong(commitVersion));
+ }
}
- }
- // we will call register again after zk expiration and on reload
- if (!afterExpiration && ulog != null && !isTlogReplicaAndNotLeader) {
- // disable recovery in case shard is in construction state (for shard splits)
- Slice slice = getClusterState().getCollection(collection).getSlice(shardId);
- if (slice.getState() != Slice.State.CONSTRUCTION || !isLeader) {
- Future<UpdateLog.RecoveryInfo> recoveryFuture = core.getUpdateHandler().getUpdateLog().recoverFromLog();
- if (recoveryFuture != null) {
- log.info("Replaying tlog for {} during startup... NOTE: This can take a while.", core);
- recoveryFuture.get(); // NOTE: this could potentially block for
- // minutes or more!
- // TODO: public as recovering in the mean time?
- // TODO: in the future we could do peersync in parallel with recoverFromLog
- } else {
- if (log.isDebugEnabled()) {
- log.debug("No LogReplay needed for core={} baseURL={}", core.getName(), baseUrl);
+ // we will call register again after zk expiration and on reload
+ if (!afterExpiration && ulog != null && !isTlogReplicaAndNotLeader) {
+ // disable recovery in case shard is in construction state (for shard splits)
+ Slice slice = getClusterState().getCollection(collection).getSlice(shardId);
+ if (slice.getState() != Slice.State.CONSTRUCTION || !isLeader) {
+ Future<UpdateLog.RecoveryInfo> recoveryFuture = core.getUpdateHandler().getUpdateLog().recoverFromLog();
+ if (recoveryFuture != null) {
+ log.info("Replaying tlog for {} during startup... NOTE: This can take a while.", core);
+ recoveryFuture.get(); // NOTE: this could potentially block for
+ // minutes or more!
+ // TODO: public as recovering in the mean time?
+ // TODO: in the future we could do peersync in parallel with recoverFromLog
+ } else {
+ if (log.isDebugEnabled()) {
+ log.debug("No LogReplay needed for core={} baseURL={}", core.getName(), baseUrl);
+ }
}
}
}
- }
- // boolean didRecovery = checkRecovery(isLeader, collection, coreName, shardId, core, cc);
+ if (replica.getType() != Type.PULL) {
+ checkRecovery(isLeader, collection, coreName, shardId, core, cc);
+ }
- if (isTlogReplicaAndNotLeader) {
- startReplicationFromLeader(coreName, true);
- }
+ if (isTlogReplicaAndNotLeader) {
+ startReplicationFromLeader(coreName, true);
+ }
- if (replica.getType() == Type.PULL) {
- startReplicationFromLeader(coreName, false);
- }
+ if (replica.getType() == Type.PULL) {
+ startReplicationFromLeader(coreName, false);
+ }
- // if (!isLeader) {
- // publish(desc, Replica.State.ACTIVE, true);
- // }
+ // if (!isLeader) {
+ // publish(desc, Replica.State.ACTIVE, true);
+ // }
- if (replica.getType() != Type.PULL) {
- // the watcher is added to a set so multiple calls of this method will left only one watcher
- if (log.isDebugEnabled()) log.debug("add shard terms listener for {}", coreName);
- shardTerms.addListener(new RecoveringCoreTermWatcher(core.getCoreDescriptor(), getCoreContainer()));
+ if (replica.getType() != Type.PULL && shardTerms != null) {
+ // the watcher is added to a set so multiple calls of this method will left only one watcher
+ if (log.isDebugEnabled()) log.debug("add shard terms listener for {}", coreName);
+ shardTerms.addListener(new RecoveringCoreTermWatcher(core.getCoreDescriptor(), getCoreContainer()));
+ }
}
desc.getCloudDescriptor().setHasRegistered(true);
@@ -1668,28 +1666,17 @@ public class ZkController implements Closeable, Runnable {
private boolean checkRecovery(final boolean isLeader,
final String collection, String coreZkNodeName, String shardId,
SolrCore core, CoreContainer cc) throws Exception {
- boolean doRecovery = true;
+
if (!isLeader) {
- if (doRecovery && !core.getUpdateHandler().getSolrCoreState().isRecoverying()) {
+ if (!core.getUpdateHandler().getSolrCoreState().isRecoverying()) {
if (log.isInfoEnabled()) {
log.info("Core needs to recover:{}", core.getName());
}
core.getUpdateHandler().getSolrCoreState().doRecovery(cc, core.getCoreDescriptor());
return true;
}
- log.info("get shard terms {} {} {}", core.getName(), collection, shardId);
- ZkShardTerms zkShardTerms = getShardTerms(collection, shardId);
- if (zkShardTerms.registered(coreZkNodeName) && !zkShardTerms.canBecomeLeader(coreZkNodeName)) {
- if (log.isInfoEnabled()) {
- log.info("Leader's term larger than core {}; starting recovery process", core.getName());
- }
- core.getUpdateHandler().getSolrCoreState().doRecovery(cc, core.getCoreDescriptor());
- return true;
- } else {
- log.info("Leaders term did not force us into recovery");
- }
} else {
log.info("I am the leader, no recovery necessary");
}
diff --git a/solr/core/src/java/org/apache/solr/core/CoreContainer.java b/solr/core/src/java/org/apache/solr/core/CoreContainer.java
index 8fa3a68..093cb2d 100644
--- a/solr/core/src/java/org/apache/solr/core/CoreContainer.java
+++ b/solr/core/src/java/org/apache/solr/core/CoreContainer.java
@@ -149,7 +149,6 @@ import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.locks.ReentrantLock;
/**
@@ -901,7 +900,9 @@ public class CoreContainer implements Closeable {
if (isZooKeeperAware() && !CloudUtil.checkIfValidCloudCore(this, cd)) {
continue;
}
-
+ if (isZooKeeperAware()) {
+ ParWork.getRootSharedExecutor().submit(new ZkController.RegisterCoreAsync(zkSys.zkController, cd, false));
+ }
coreLoadFutures.add(solrCoreLoadExecutor.submit(() -> {
SolrCore core;
try {
@@ -1219,9 +1220,9 @@ public class CoreContainer implements Closeable {
return coresLocator;
}
- protected SolrCore registerCore(CoreDescriptor cd, SolrCore core, boolean registerInZk, boolean closeOld) {
+ protected SolrCore registerCore(CoreDescriptor cd, SolrCore core, boolean closeOld) {
- log.info("registerCore name={}, registerInZk={}, skipRecovery={}", cd.getName(), registerInZk);
+ log.info("registerCore name={}, skipRecovery={}", cd.getName());
if (core == null) {
throw new SolrException(ErrorCode.SERVER_ERROR, "Can not register a null core.");
@@ -1247,9 +1248,6 @@ public class CoreContainer implements Closeable {
if (old == null || old == core) {
log.info("registering core: " + cd.getName());
- if (registerInZk) {
- zkSys.registerInZk(core);
- }
return null;
} else {
log.info("replacing core: " + cd.getName());
@@ -1258,9 +1256,6 @@ public class CoreContainer implements Closeable {
old.close();
}
}
- if (registerInZk) {
- zkSys.registerInZk(core);
- }
return old;
}
}
@@ -1411,6 +1406,10 @@ public class CoreContainer implements Closeable {
if (isShutDown) {
throw new AlreadyClosedException("Solr has been shutdown.");
}
+ solrCores.markCoreAsLoading(dcore);
+ if (isZooKeeperAware()) {
+ ParWork.getRootSharedExecutor().submit(new ZkController.RegisterCoreAsync(zkSys.zkController, dcore, false));
+ }
core = new SolrCore(this, dcore, coreConfig);
} catch (Exception e) {
core = processCoreCreateException(e, dcore, coreConfig);
@@ -1418,11 +1417,13 @@ public class CoreContainer implements Closeable {
core.start();
- old = registerCore(dcore, core, isZooKeeperAware(), true);
+ old = registerCore(dcore, core, true);
registered = true;
} catch (Exception e){
throw new SolrException(ErrorCode.SERVER_ERROR, e);
+ } finally {
+ solrCores.markCoreAsNotLoading(dcore);
}
@@ -1471,15 +1472,14 @@ public class CoreContainer implements Closeable {
});
}
}
+ if (isShutDown) {
+ SolrCore finalCore1 = core;
+ ParWork.getRootSharedExecutor().submit(() -> {
- // SolrCore finalCore1 = core;
- // ParWork.getRootSharedExecutor().submit(() -> {
- // try {
- // finalCore1.closeAndWait(false);
- // } catch (TimeoutException timeoutException) {
- // throw new SolrException(ErrorCode.SERVER_ERROR, timeoutException);
- // }
- // });
+ finalCore1.closeAndWait();
+
+ });
+ }
}
MDCLoggingContext.clear();
}
@@ -1757,7 +1757,7 @@ public class CoreContainer implements Closeable {
}
}
- oldCore = registerCore(cd, newCore, false, true);
+ oldCore = registerCore(cd, newCore, true);
success = true;
} catch (Exception e) {
@@ -1984,7 +1984,7 @@ public class CoreContainer implements Closeable {
CoreDescriptor cd = core.getCoreDescriptor();
cd.setProperty("name", toName);
core.setName(toName);
- registerCore(cd, core, isZooKeeperAware(), false);
+ registerCore(cd, core, false);
SolrCore old = solrCores.remove(name);
coresLocator.rename(this, old.getCoreDescriptor(), core.getCoreDescriptor());
diff --git a/solr/core/src/java/org/apache/solr/handler/admin/CollectionsHandler.java b/solr/core/src/java/org/apache/solr/handler/admin/CollectionsHandler.java
index bd26627..17f9d2c 100644
--- a/solr/core/src/java/org/apache/solr/handler/admin/CollectionsHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/admin/CollectionsHandler.java
@@ -1390,7 +1390,7 @@ public class CollectionsHandler extends RequestHandlerBase implements Permission
// Wait till we have an active leader
try {
- zkController.getZkStateReader().getLeaderRetry(collectionName, sliceId, 30);
+ zkController.getZkStateReader().getLeaderRetry(collectionName, sliceId, 30000);
} catch (Exception e) {
ParWork.propagateInterrupt(e);
log.info("Couldn't successfully force leader, collection: {}, shard: {}. Cluster state: {}", collectionName, sliceId, clusterState);
diff --git a/solr/core/src/java/org/apache/solr/handler/admin/CoreAdminHandler.java b/solr/core/src/java/org/apache/solr/handler/admin/CoreAdminHandler.java
index 94fe6ae..24c576a 100644
--- a/solr/core/src/java/org/apache/solr/handler/admin/CoreAdminHandler.java
+++ b/solr/core/src/java/org/apache/solr/handler/admin/CoreAdminHandler.java
@@ -175,7 +175,7 @@ public class CoreAdminHandler extends RequestHandlerBase implements PermissionNa
try {
MDC.put("CoreAdminHandler.asyncId", taskId);
MDC.put("CoreAdminHandler.action", op.action.toString());
- ParWork.getMyPerThreadExecutor().submit(() -> { // ### SUPER DUPER EXPERT USAGE
+ ParWork.getRootSharedExecutor().submit(() -> { // ### SUPER DUPER EXPERT USAGE
boolean exceptionCaught = false;
try {
if (!cores.isShutDown()) {
diff --git a/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java b/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java
index fb1fda0..62e6e8e 100644
--- a/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java
+++ b/solr/core/src/test/org/apache/solr/cloud/ReplaceNodeTest.java
@@ -17,6 +17,7 @@
package org.apache.solr.cloud;
+import org.apache.lucene.util.LuceneTestCase;
import org.apache.solr.client.solrj.impl.CloudHttp2SolrClient;
import org.apache.solr.client.solrj.impl.Http2SolrClient;
import org.apache.solr.client.solrj.request.CollectionAdminRequest;
@@ -40,6 +41,7 @@ import java.util.List;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
+@LuceneTestCase.AwaitsFix(bugUrl = "nocommit - can leak a Solr a reasonable percent - cmd needs polish/finish anyway")
public class ReplaceNodeTest extends SolrCloudTestCase {
private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
diff --git a/solr/core/src/test/org/apache/solr/cloud/api/collections/CreateCollectionsIndexAndRestartTest.java b/solr/core/src/test/org/apache/solr/cloud/api/collections/CreateCollectionsIndexAndRestartTest.java
index 562c979..62bd7b5 100644
--- a/solr/core/src/test/org/apache/solr/cloud/api/collections/CreateCollectionsIndexAndRestartTest.java
+++ b/solr/core/src/test/org/apache/solr/cloud/api/collections/CreateCollectionsIndexAndRestartTest.java
@@ -36,7 +36,7 @@ import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
@Slow
-//@LuceneTestCase.AwaitsFix(bugUrl = "This an experimental test class")
+@LuceneTestCase.AwaitsFix(bugUrl = "This an experimental test class")
public class CreateCollectionsIndexAndRestartTest extends SolrCloudTestCase {
private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
diff --git a/solr/core/src/test/org/apache/solr/core/TestCodecSupport.java b/solr/core/src/test/org/apache/solr/core/TestCodecSupport.java
index d3a3ec6..bccc506 100644
--- a/solr/core/src/test/org/apache/solr/core/TestCodecSupport.java
+++ b/solr/core/src/test/org/apache/solr/core/TestCodecSupport.java
@@ -36,7 +36,6 @@ import org.apache.solr.schema.SchemaField;
import org.apache.solr.util.TestHarness;
import org.junit.After;
import org.junit.Before;
-import org.junit.BeforeClass;
import org.junit.Ignore;
import javax.xml.xpath.XPathExpressionException;
@@ -235,7 +234,7 @@ public class TestCodecSupport extends SolrTestCaseJ4 {
CoreDescriptor cd = new CoreDescriptor(newCoreName, testSolrHome.resolve(newCoreName), coreContainer);
c = new SolrCore(coreContainer, cd,
new ConfigSet("fakeConfigset", config, schema, null, true));
- assertNull(coreContainer.registerCore(cd, c, false, false));
+ assertNull(coreContainer.registerCore(cd, c, false));
h.coreName = newCoreName;
assertEquals("We are not using the correct core", "solrconfig_codec2.xml", h.getCore().getConfigResource());
assertU(add(doc("string_f", "foo")));
diff --git a/solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java b/solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java
index 0ce651b..1ef3cc5 100644
--- a/solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java
+++ b/solr/solrj/src/java/org/apache/solr/common/cloud/ZkStateReader.java
@@ -967,7 +967,7 @@ public class ZkStateReader implements SolrCloseable, Replica.NodeNameToBaseUrl {
// }
public boolean isNodeLive(String node) {
- return liveNodes.contains(node);
+ return getLiveNodes().contains(node);
}
@@ -989,9 +989,15 @@ public class ZkStateReader implements SolrCloseable, Replica.NodeNameToBaseUrl {
Slice slice = coll.getSlice(shard);
if (slice != null) {
Replica leader = slice.getLeader();
- if (leader != null && leader.getState() == Replica.State.ACTIVE) {
+ if (leader != null && leader.getState() == Replica.State.ACTIVE && isNodeLive(leader.getNodeName())) {
return leader;
}
+ Collection<Replica> replicas = slice.getReplicas();
+ for (Replica replica : replicas) {
+ if ("true".equals(replica.getProperty(LEADER_PROP)) && replica.getState() == Replica.State.ACTIVE && isNodeLive(replica.getNodeName())) {
+ return replica;
+ }
+ }
}
}
@@ -1003,10 +1009,17 @@ public class ZkStateReader implements SolrCloseable, Replica.NodeNameToBaseUrl {
Slice slice = c.getSlice(shard);
if (slice == null) return false;
Replica leader = slice.getLeader();
- if (leader != null && leader.getState() == Replica.State.ACTIVE) {
+ if (leader != null && leader.getState() == Replica.State.ACTIVE && isNodeLive(leader.getNodeName())) {
returnLeader.set(leader);
return true;
}
+ Collection<Replica> replicas = slice.getReplicas();
+ for (Replica replica : replicas) {
+ if ("true".equals(replica.getProperty(LEADER_PROP)) && replica.getState() == Replica.State.ACTIVE && isNodeLive(replica.getNodeName())) {
+ returnLeader.set(replica);
+ return true;
+ }
+ }
return false;
});
@@ -1478,8 +1491,6 @@ public class ZkStateReader implements SolrCloseable, Replica.NodeNameToBaseUrl {
Replica.State state = null;
if (!entry.getValue().equals("l")) {
state = Replica.State.shortStateToState((String) entry.getValue());
- } else {
- state = Replica.State.ACTIVE;
}
if (log.isDebugEnabled()) log.debug("Got additional state update {} {}", core, state == null ? "leader" : state);
Replica replica = docCollection.getReplica(core);
@@ -1492,12 +1503,26 @@ public class ZkStateReader implements SolrCloseable, Replica.NodeNameToBaseUrl {
Map properties = new HashMap(replica.getProperties());
if (entry.getValue().equals("l")) {
if (log.isDebugEnabled()) log.debug("state is leader, set to active and leader prop");
- setLeader = true;
- properties.put(ZkStateReader.STATE_PROP, Replica.State.ACTIVE);
+ properties.put(ZkStateReader.STATE_PROP, Replica.State.ACTIVE.toString());
properties.put("leader", "true");
- } else {
+
+ for (Replica r : replicasMap.values()) {
+ if (r == replica) {
+ continue;
+ }
+ if ("true".equals(r.getProperty(LEADER_PROP))) {
+ Map<String,Object> props = new HashMap<>(r.getProperties());
+ props.remove(LEADER_PROP);
+ Replica newReplica = new Replica(r.getName(), props, coll, r.getSlice(), ZkStateReader.this);
+ replicasMap.put(r.getName(), newReplica);
+ }
+ }
+ } else if (state != null) {
if (log.isDebugEnabled()) log.debug("std state, set to {}", state);
properties.put(ZkStateReader.STATE_PROP, state.toString());
+ if (state != Replica.State.ACTIVE && "true".equals(properties.get(LEADER_PROP))) {
+ properties.remove(LEADER_PROP);
+ }
}
Replica newReplica = new Replica(core, properties, coll, replica.getSlice(), ZkStateReader.this);
@@ -1508,12 +1533,6 @@ public class ZkStateReader implements SolrCloseable, Replica.NodeNameToBaseUrl {
Slice newSlice = new Slice(slice.getName(), replicasMap, slice.getProperties(), coll, ZkStateReader.this);
- if (setLeader) {
- newSlice.setLeader(newReplica);
- } else {
- newSlice.setLeader(slice.getLeader());
- }
-
Map<String,Slice> newSlices = new HashMap<>(docCollection.getSlicesMap());
newSlices.put(slice.getName(), newSlice);