ClassNotFoundException: com.fasterxml.jackson.core.JsonProcessingExce…

…ption (2993) (#2997) * Load the Jackson-based implementation dynamically to avoid ClassNotFound * Complete the chanegs to the RELEASE-NOTES.MD * Extend list of exceptions * Tweaks to the presentation of the ne JSON guide * Behavior is the preferred spelling in American English. Behaviour is preferred everywhere else. Extending list of exceptions to include (most) cases of the usage. * Use the release version for the badge * Lazy initialize the JsonParser instance to avoid hitting NoClassDefFound error * Shame (ding) shame (ding) shame (ding) * Yet more words to add to the wordlist
redis · Oct 11, 2024 · d255b1a · d255b1a
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diff --git a/.github/wordlist.txt b/.github/wordlist.txt
@@ -252,4 +252,23 @@ uring
 whitespace
 xml
 RedisJSON
-MkDocs
+MkDocs
+ClientOptions
+TimeoutOptions
+timeoutOptions
+ClusterCommand
+completeExceptionally
+spublish
+BitSet
+RedisClusterNode's
+allOf
+reentrant
+jacoco
+apache
+failsafe
+hdrhistogram
+bom
+ubuntu
+behaviour
+databind
+jackson
diff --git a/README.md b/README.md
@@ -4,7 +4,8 @@
  [![Integration](https://github.com/redis/lettuce/actions/workflows/integration.yml/badge.svg?branch=main)](https://github.com/redis/lettuce/actions/workflows/integration.yml)
  [![codecov](https://codecov.io/gh/redis/lettuce/branch/main/graph/badge.svg?token=pAstxAAjYo)](https://codecov.io/gh/redis/lettuce)
  [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE.txt)
- [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.lettuce/lettuce-core/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.lettuce/lettuce-core)
+ [![Maven Central](https://img.shields.io/maven-central/v/io.lettuce/lettuce-core?versionSuffix=RELEASE&logo=redis
+ )](https://maven-badges.herokuapp.com/maven-central/io.lettuce/lettuce-core)
  [![Javadocs](https://www.javadoc.io/badge/io.lettuce/lettuce-core.svg)](https://www.javadoc.io/doc/io.lettuce/lettuce-core)
 
 [![Discord](https://img.shields.io/discord/697882427875393627.svg?style=social&logo=discord)](https://discord.gg/redis)
@@ -35,17 +36,15 @@ See the [reference documentation](https://redis.github.io/lettuce/) and [API Ref
 
 ## How do I Redis?
 
-[Learn for free at Redis University](https://university.redis.com/)
+[Learn for free at Redis University](https://university.redis.io/academy)
 
-[Build faster with the Redis Launchpad](https://launchpad.redis.com/)
+[Try the Redis Cloud](https://redis.io/try-free/)
 
-[Try the Redis Cloud](https://redis.com/try-free/)
+[Dive in developer tutorials](https://redis.io/learn/)
 
-[Dive in developer tutorials](https://developer.redis.com/)
+[Join the Redis community](https://redis.io/community/)
 
-[Join the Redis community](https://redis.com/community/)
-
-[Work at Redis](https://redis.com/company/careers/jobs/)
+[Work at Redis](https://redis.io/careers/jobs/)
 
 Documentation
 ---------------

diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
@@ -1,11 +1,10 @@
-Lettuce 6.4.0 RELEASE NOTES
+Lettuce 6.5.0 RELEASE NOTES
 ==============================
 
-The Redis team is delighted to announce general availability of Lettuce 6.4.
+The Redis team is delighted to announce the general availability of Lettuce 6.5.
 
-This Lettuce driver is now going to be shipped under the MIT licensing scheme. The `CLIENT SETINFO`
-is now working in a fire-and-forget mode to allow better compatibility with Redis servers that do
-not support this command.
+Great news, everyone! Lettuce 6.5.0 comes with RedisJSON support enabled.
+For more on that, please consult with the [RedisJSON documentation](https://redis.io/docs/latest/develop/data-types/json/) and the [Lettuce guide on RedisJSON](https://redis.github.io/lettuce/user-guide/redis-json/). 
 
 Lettuce 6 supports Redis 2.6+ up to Redis 7.x. In terms of Java runtime, Lettuce requires
 at least Java 8 and works with Java 21.
@@ -16,45 +15,43 @@ If you need any support, meet Lettuce at
 
 * GitHub Discussions: https://github.com/lettuce-io/lettuce-core/discussions
 * Stack Overflow (Questions): https://stackoverflow.com/questions/tagged/lettuce
-* Join the chat at https://discord.gg/redis for general discussion
-* GitHub Issues (Bug reports, feature
-  requests): https://github.com/lettuce-io/lettuce-core/issues
-* Documentation: https://lettuce.io/core/6.4.0.RELEASE/reference/
-* Javadoc: https://lettuce.io/core/6.4.0.RELEASE/api/
+* Join the chat at https://discord.gg/redis and look for the "Help:Tools Lettuce" channel 
+* GitHub Issues (Bug reports, feature requests): https://github.com/lettuce-io/lettuce-core/issues
+* Documentation: https://lettuce.io/core/6.5.0.RELEASE/reference/
+* Javadoc: https://lettuce.io/core/6.5.0.RELEASE/api/
 
 Commands
 --------
 
-* Add `PUBSUB` shard channel commands `SHARDCHANNELS` #2756, `SHARDNUMSUB` #2776
-* Add `PUBSUB` shard channel commands `SPUBLISH` #2757, `SSUBSCRIBE` #2758 and `SUNSUBSCRIBE` #2758
-* Add support for `CLIENT KILL [MAXAGE]` #2782
-* Hash field expiration commands `HEXPIRE`, `HEXPIREAT`, `HEXPIRETIME` and `HPERSIST` #2836
-* Hash field expiration commands `HPEXPIRE`, `HPEXPIREAT`, `HPEXPIRETIME`, `HTTL` and `HPTTL` #2857
+* Add `CLUSTER MYSHARDID` in #2920 and `CLUSTER LINKS` in #2986
+* Add `CLIENT TRACKINGINFO` in #2862
 
 Enhancements
 ------------
 
-* Add support for `HSCAN NOVALUES` #2763
-* Send the `CLIENT SETINFO` command in a fire-and-forget way #2082
-* Change the license to more permissive MIT #2173
-* Add a evalReadOnly overload that accepts the script as a String #2868
-* `XREAD` support for reading last message from stream #2863
-* Mark dnsResolver(DnsResolver) as deprecated  #2855
-* Remove connection-related methods from commands API #2027
-* Move connection-related commands from BaseRedisCommands to RedisConnectionCommands #2031
+* Default ClientOptions.timeoutOptions to TimeoutOptions.enabled() (#2927)
+* Update completeExceptionally on ClusterCommand using super (#2980)
 
 Fixes
 -----
+* fix(2971): spublish typo fix (#2972)
+* Initialize slots with empty BitSet in RedisClusterNode's constructors (#2341)
+* Add defensive copy for Futures allOf() method (#2943)
+* fix:deadlock when reentrant exclusive lock (#2961)
 
-* None
 
 Other
 -----
 
-* Bump `org.apache.commons:commons-pool2` from 2.11.1 to 2.12.0 #2877 
-* Bump `org.openjdk.jmh:jmh-generator-annprocess` from 1.21 to 1.37 #2876
-* Bump `org.apache.maven.plugins:maven-jar-plugin` from 3.3.0 to 3.4.1 #2875 
-* Bump `org.codehaus.mojo:flatten-maven-plugin from` 1.5.0 to 1.6.0 #2874
-* Bump `org.apache.maven.plugins:maven-javadoc-plugin` from 3.6.3 to 3.7.0 #2873
-* Applying code formatter each time we run a Maven build #2841 
-* Bump `setup-java` to v4 #2807 
+* Add badges to the README.md file (#2939)
+* Convert wiki to markdown docs (#2944)
+* Bump org.jacoco:jacoco-maven-plugin from 0.8.9 to 0.8.12 (#2921)
+* Bump org.apache.maven.plugins:maven-surefire-plugin from 3.2.5 to 3.3.1 (#2922)
+* Bump org.apache.maven.plugins:maven-failsafe-plugin from 3.2.5 to 3.3.1 (#2958)
+* Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.7.0 to 3.8.0 (#2957)
+* Bump org.apache.maven.plugins:maven-surefire-plugin from 3.3.1 to 3.4.0 (#2968)
+* Bump org.hdrhistogram:HdrHistogram from 2.1.12 to 2.2.2 (#2966)
+* Bump org.apache.maven.plugins:maven-compiler-plugin from 3.12.1 to 3.13.0 (#2978)
+* Bump org.apache.logging.log4j:log4j-bom from 2.17.2 to 2.24.0 (#2988)
+* Bump io.netty:netty-bom from 4.1.107.Final to 4.1.113.Final (#2990)
+* Suspected change in ubuntu causing CI failures (#2949)
diff --git a/docs/getting-started.md b/docs/getting-started.md
@@ -12,7 +12,7 @@ Add these lines to file pom.xml:
 <dependency>
     <groupId>io.lettuce</groupId>
     <artifactId>lettuce-core</artifactId>
-    <version>6.4.0.RELEASE</version>
+    <version>6.5.0.RELEASE</version>
 </dependency>
 ```
 
@@ -23,7 +23,7 @@ Add these lines to file ivy.xml:
 ``` xml
 <ivy-module>
   <dependencies>
-    <dependency org="io.lettuce" name="lettuce-core" rev="6.4.0.RELEASE"/>
+    <dependency org="io.lettuce" name="lettuce-core" rev="6.5.0.RELEASE"/>
   </dependencies>
 </ivy-module>
 ```
@@ -34,7 +34,7 @@ Add these lines to file build.gradle:
 
 ``` groovy
 dependencies {
-  implementation 'io.lettuce:lettuce-core:6.4.0.RELEASE'
+  implementation 'io.lettuce:lettuce-core:6.5.0.RELEASE'
 }
 ```
 

diff --git a/docs/user-guide/redis-json.md b/docs/user-guide/redis-json.md
@@ -7,19 +7,24 @@ The driver generally allows three distinct ways of working with the RedisJSON mo
 * (Advanced mode) - custom JSON parsing using a user-provided JSON parser
 * (Power-user mode) - unprocessed JSON documents that have not gone through any process of deserialization or serialization
 
-> [!IMPORTANT]\
-> In all the above modes, the driver would refrain from processing the JSON document in the main event loop and instead
-delegate this to the user thread. This behaviour is consistent when both receiving and sending JSON documents - when
-receiving the parsing is done lazily whenever a method is called that requires the JSON to be parsed; when sending the
-JSON is serialized immediately after it is passed to any of the commands, but before dispatching the command to the
-event loop.
-
+!!! INFO
+    In all the above modes, the driver would refrain from processing the JSON document in the main event loop and instead
+    delegate this to the user thread. This behaviour is consistent when both receiving and sending JSON documents - when
+    receiving the parsing is done lazily whenever a method is called that requires the JSON to be parsed; when sending the
+    JSON is serialized immediately after it is passed to any of the commands, but before dispatching the command to the
+    event loop.
+
+!!! WARNING
+    Unless you are using a custom JSON parser you would need to add a dependency to the 
+    [jackson-databind](https://github.com/FasterXML/jackson-databind) library in your project. This is because the
+    default JSON parser uses Jackson to parse JSON documents to and from string representations.
 
 ## Default mode
 Best for:
+
 * Most typical use-cases where the JSON document is parsed and processed
 
-### Example usage:
+### Example usage
 
 ```java
 RedisURI redisURI = RedisURI.Builder.redis("acme.com").build();
@@ -52,25 +57,29 @@ try (StatefulRedisConnection<ByteBuffer, ByteBuffer> connect = redisClient.conne
 
 ## Advanced mode
 Best for:
+
 * Applications that want to handle parsing manually - either by using another library or by implementing their own parser
 
-### Example usage:
+### Example usage
 
 ```java
 RedisURI redisURI = RedisURI.Builder.redis("127.0.0.1").withPort(16379).build();
 
 try (RedisClient client = RedisClient.create(redisURI)) {
-    client.setOptions(ClientOptions.builder().jsonParser(new CustomParser()).build());
+    client.setOptions(ClientOptions.builder().jsonParser(Mono.just(new CustomParser())).build());
     StatefulRedisConnection<String, String> connection = client.connect(StringCodec.UTF8);
     RedisCommands<String, String> redis = connection.sync();
 }
 ```
 
+
+
 ## Power-user mode
 Best for:
+
 * Applications that do little to no processing on the Java layer
 
-### Example usage:
+### Example usage   
 
 ```java
 JsonPath myPath = JsonPath.of("$..mountain_bikes");
@@ -85,3 +94,6 @@ try (RedisClient client = RedisClient.create(redisURI)) {
     String result = stage.toCompletableFuture().get().get();
 }    
 ```
+!!! NOTE
+    The power-user mode is not exclusive to using a custom parser (Advanced mode), as long as the custom parser follows
+    the API contract of the `JsonParser`, `JsonValue`, `JsonArray` and `JsonObject` interfaces.
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -40,6 +40,7 @@ nav:
       - Kotlin API: user-guide/kotlin-api.md
       - Publish/Subscribe: user-guide/pubsub.md
       - Transactions/Multi: user-guide/transactions-multi.md
+      - Redis JSON: user-guide/redis-json.md
       - Redis programmability:
           - LUA Scripting: user-guide/lua-scripting.md
           - Redis Functions: user-guide/redis-functions.md

diff --git a/pom.xml b/pom.xml
@@ -3,7 +3,7 @@
 
     <groupId>io.lettuce</groupId>
     <artifactId>lettuce-core</artifactId>
-    <version>6.4.0.BUILD-SNAPSHOT</version>
+    <version>6.5.0.BUILD-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Lettuce</name>
@@ -546,6 +546,21 @@
             <scope>test</scope>
         </dependency>
 
+        <!-- JMH -->
+
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-core</artifactId>
+            <version>1.37</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.openjdk.jmh</groupId>
+            <artifactId>jmh-generator-annprocess</artifactId>
+            <version>1.37</version>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
     <build>

diff --git a/src/main/java/io/lettuce/core/AbstractRedisAsyncCommands.java b/src/main/java/io/lettuce/core/AbstractRedisAsyncCommands.java
@@ -48,6 +48,7 @@
 import io.lettuce.core.protocol.CommandType;
 import io.lettuce.core.protocol.ProtocolKeyword;
 import io.lettuce.core.protocol.RedisCommand;
+import reactor.core.publisher.Mono;
 
 import java.time.Duration;
 import java.time.Instant;
@@ -87,15 +88,15 @@ public abstract class AbstractRedisAsyncCommands<K, V> implements RedisAclAsyncC
 
     private final RedisJsonCommandBuilder<K, V> jsonCommandBuilder;
 
-    private final JsonParser parser;
+    private final Mono<JsonParser> parser;
 
     /**
      * Initialize a new instance.
      *
      * @param connection the connection to operate on
      * @param codec the codec for command encoding
      */
-    public AbstractRedisAsyncCommands(StatefulConnection<K, V> connection, RedisCodec<K, V> codec, JsonParser parser) {
+    public AbstractRedisAsyncCommands(StatefulConnection<K, V> connection, RedisCodec<K, V> codec, Mono<JsonParser> parser) {
         this.parser = parser;
         this.connection = connection;
         this.commandBuilder = new RedisCommandBuilder<>(codec);
@@ -3380,7 +3381,7 @@ public RedisFuture<List<Map<String, Object>>> clusterLinks() {
 
     @Override
     public JsonParser getJsonParser() {
-        return this.parser;
+        return this.parser.block();
     }
 
     private byte[] encodeFunction(String functionCode) {

diff --git a/src/main/java/io/lettuce/core/AbstractRedisReactiveCommands.java b/src/main/java/io/lettuce/core/AbstractRedisReactiveCommands.java
@@ -98,7 +98,7 @@ public abstract class AbstractRedisReactiveCommands<K, V>
 
     private final RedisJsonCommandBuilder<K, V> jsonCommandBuilder;
 
-    private final JsonParser parser;
+    private final Mono<JsonParser> parser;
 
     private final ClientResources clientResources;
 
@@ -112,7 +112,7 @@ public abstract class AbstractRedisReactiveCommands<K, V>
      * @param connection the connection to operate on.
      * @param codec the codec for command encoding.
      */
-    public AbstractRedisReactiveCommands(StatefulConnection<K, V> connection, RedisCodec<K, V> codec, JsonParser parser) {
+    public AbstractRedisReactiveCommands(StatefulConnection<K, V> connection, RedisCodec<K, V> codec, Mono<JsonParser> parser) {
         this.connection = connection;
         this.parser = parser;
         this.commandBuilder = new RedisCommandBuilder<>(codec);
@@ -139,7 +139,7 @@ private EventExecutorGroup getScheduler() {
 
     @Override
     public JsonParser getJsonParser() {
-        return parser;
+        return parser.block();
     }
 
     @Override