Drop Java 8 support

Author: dkropachev

.github/workflows/docs-pages.yml

@@ -36,10 +36,10 @@ jobs:
         with:
           python-version: '3.13'
 
-      - name: Set up JDK 8.0
+      - name: Set up JDK 11
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
 
       - name: Install uv

.github/workflows/docs-pr.yml

@@ -31,10 +31,10 @@ jobs:
         with:
           python-version: '3.13'
 
-      - name: Set up JDK 8.0
+      - name: Set up JDK 11
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
 
       - name: Install uv
@@ -44,4 +44,4 @@ jobs:
         run: make -C docs setupenv
 
       - name: Build docs
-        run: make -C docs test
+        run: make -C docs test

.github/workflows/release.yml

@@ -39,10 +39,10 @@ jobs:
           RELEASE_TARGET_TAG: ${{ inputs.target-tag }}
         run: make checkout-one-commit-before
 
-      - name: Set up Java
+      - name: Set up JDK 11
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
-          java-version: '8'
+          java-version: '11'
           distribution: 'temurin'
           server-id: central
           gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}

.github/workflows/tests@v1.yml

@@ -35,7 +35,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [8]
+        java-version: [11, 17]
       fail-fast: false
 
     steps:
@@ -80,7 +80,7 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [8]
+        java-version: [11, 17]
       fail-fast: false
 
     steps:
@@ -109,14 +109,14 @@ jobs:
 
     strategy:
       matrix:
-        java-version: [8]
+        java-version: [11, 17]
       fail-fast: false
 
     steps:
       - name: Checkout source
         uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
 
-      - name: Set up JDK 8
+      - name: Set up JDK ${{ matrix.java-version }}
         uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
         with:
           java-version: ${{ matrix.java-version }}
@@ -142,14 +142,14 @@ jobs:
         uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: always()
         with:
-          name: test-results
+          name: test-results-${{ matrix.java-version }}
           path: "*/**/target/*-reports/*.xml"
 
       - name: Parse test results
         uses: mikepenz/action-junit-report@3585e9575db828022551b4231f165eb59a0e74e3 # v5.6.2
         if: always()
         with:
-          check_name: Unit tests report
+          check_name: Unit tests report (JDK ${{ matrix.java-version }})
           require_tests: true
           report_paths: "*/**/target/*-reports/*.xml"
           follow_symlink: true
@@ -180,7 +180,7 @@ jobs:
     strategy:
       matrix:
         cassandra-version: [3-LATEST, 4-LATEST]
-        java-version: [8]
+        java-version: [11, 17]
         test-group: [parallelizable, serial, isolated]
       fail-fast: false
 
@@ -275,7 +275,7 @@ jobs:
         uses: mikepenz/action-junit-report@3585e9575db828022551b4231f165eb59a0e74e3 # v5.6.2
         if: always()
         with:
-          check_name: Integration tests report for Cassandra ${{ steps.cassandra-version.outputs.value }} (${{ matrix.test-group }})
+          check_name: Integration tests report for Cassandra ${{ steps.cassandra-version.outputs.value }} (${{ matrix.test-group }}, JDK ${{ matrix.java-version }})
           require_tests: true
           report_paths: "*/**/target/*-reports/*.xml"
           follow_symlink: true
@@ -292,7 +292,7 @@ jobs:
     strategy:
       matrix:
         scylla-version: [LTS-LATEST, LTS-PRIOR, LATEST]
-        java-version: [8]
+        java-version: [11, 17]
         test-group: [parallelizable, serial, isolated]
       fail-fast: false
 
@@ -387,7 +387,7 @@ jobs:
         uses: mikepenz/action-junit-report@3585e9575db828022551b4231f165eb59a0e74e3 # v5.6.2
         if: always()
         with:
-          check_name: Integration tests report for Scylla ${{ steps.scylla-version.outputs.value }} (${{ matrix.test-group }})
+          check_name: Integration tests report for Scylla ${{ steps.scylla-version.outputs.value }} (${{ matrix.test-group }}, JDK ${{ matrix.java-version }})
           require_tests: true
           report_paths: "*/**/target/*-reports/*.xml"
           follow_symlink: true

README-dev.md

@@ -6,7 +6,7 @@ To build the documentation of this project, you need a UNIX-based operating syst
 
 You also need the following software installed to generate the reference documentation of the driver:
 
-- Java JDK 8 or higher
+- Java JDK 11 or higher
 - Maven
 
 Once you have installed the above software, you can build and preview the documentation by following the steps outlined in the `Quickstart guide <https://sphinx-theme.scylladb.com/stable/getting-started/quickstart.html>`_.

README.md

@@ -50,7 +50,7 @@ builder](manual/query_builder/), [mapper](manual/mapper)).
 
 The driver is compatible with Scylla and Apache Cassandra® 2.1 and higher.
 
-It requires Java 8 or higher.
+It requires Java 11 or higher.
 
 ## Migrating from previous versions
 
@@ -103,4 +103,4 @@ Apache Cassandra, Apache, Tomcat, Lucene, Solr, Hadoop, Spark, TinkerPop, and Ca
 trademarks of the [Apache Software Foundation](http://www.apache.org/) or its subsidiaries in
 Canada, the United States and/or other countries. 
 
-Binary artifacts of this product bundle Java Native Runtime libraries, which is available under the Eclipse Public License version 2.0.
+Binary artifacts of this product bundle Java Native Runtime libraries, which is available under the Eclipse Public License version 2.0.

core-shaded/pom.xml

@@ -280,6 +280,9 @@
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>
+        <configuration>
+          <skip>true</skip>
+        </configuration>
         <executions>
           <execution>
             <id>attach-javadocs</id>

core/src/main/java/com/datastax/dse/driver/api/core/data/time/DateRangePrecision.java

@@ -131,9 +131,9 @@ public enum DateRangePrecision {
   private final ChronoUnit roundingUnit;
   // The formatter is only used for formatting (parsing is done with  DateRangeUtil.parseCalendar to
   // be exactly the same as DSE's).
-  // If that ever were to change, note that DateTimeFormatters with a time zone have a parsing bug
-  // in Java 8: the formatter's zone will always be used, even if the input string specifies one
-  // explicitly.
+  // If that ever were to change, note that DateTimeFormatters with a time zone had a parsing bug
+  // on older JDKs: the formatter's zone would always be used, even if the input string specified
+  // one explicitly.
   // See https://stackoverflow.com/questions/41999421
   private final DateTimeFormatter formatter;
 

core/src/main/java/com/datastax/oss/driver/api/core/CqlIdentifier.java

@@ -43,7 +43,8 @@
  *
  * Examples:
  *
- * <table summary="examples">
+ * <table>
+ *   <caption>Examples</caption>
  *   <tr><th>Create statement</th><th>Case-sensitive?</th><th>CQL id</th><th>Internal id</th></tr>
  *   <tr><td>CREATE TABLE t(foo int PRIMARY KEY)</td><td>No</td><td>foo</td><td>foo</td></tr>
  *   <tr><td>CREATE TABLE t(Foo int PRIMARY KEY)</td><td>No</td><td>foo</td><td>foo</td></tr>

core/src/main/java/com/datastax/oss/driver/api/core/context/DriverContext.java

@@ -48,25 +48,26 @@ public interface DriverContext extends AttachmentPoint {
   @NonNull
   String getSessionName();
 
-  /** @return The driver's configuration; never {@code null}. */
+  /** Returns the driver's configuration; never {@code null}. */
   @NonNull
   DriverConfig getConfig();
 
-  /** @return The driver's configuration loader; never {@code null}. */
+  /** Returns the driver's configuration loader; never {@code null}. */
   @NonNull
   DriverConfigLoader getConfigLoader();
 
   /**
-   * @return The driver's load balancing policies, keyed by profile name; the returned map is
-   *     guaranteed to never be {@code null} and to always contain an entry for the {@value
-   *     DriverExecutionProfile#DEFAULT_NAME} profile.
+   * Returns the driver's load balancing policies, keyed by profile name; the returned map is
+   * guaranteed to never be {@code null} and to always contain an entry for the {@value
+   * DriverExecutionProfile#DEFAULT_NAME} profile.
    */
   @NonNull
   Map<String, LoadBalancingPolicy> getLoadBalancingPolicies();
 
   /**
+   * Returns the driver's load balancing policy for the given profile; never {@code null}.
+   *
    * @param profileName the profile name; never {@code null}.
-   * @return The driver's load balancing policy for the given profile; never {@code null}.
    */
   @NonNull
   default LoadBalancingPolicy getLoadBalancingPolicy(@NonNull String profileName) {
@@ -78,16 +79,17 @@ default LoadBalancingPolicy getLoadBalancingPolicy(@NonNull String profileName)
   }
 
   /**
-   * @return The driver's retry policies, keyed by profile name; the returned map is guaranteed to
-   *     never be {@code null} and to always contain an entry for the {@value
-   *     DriverExecutionProfile#DEFAULT_NAME} profile.
+   * Returns the driver's retry policies, keyed by profile name; the returned map is guaranteed to
+   * never be {@code null} and to always contain an entry for the {@value
+   * DriverExecutionProfile#DEFAULT_NAME} profile.
    */
   @NonNull
   Map<String, RetryPolicy> getRetryPolicies();
 
   /**
+   * Returns the driver's retry policy for the given profile; never {@code null}.
+   *
    * @param profileName the profile name; never {@code null}.
-   * @return The driver's retry policy for the given profile; never {@code null}.
    */
   @NonNull
   default RetryPolicy getRetryPolicy(@NonNull String profileName) {
@@ -96,16 +98,17 @@ default RetryPolicy getRetryPolicy(@NonNull String profileName) {
   }
 
   /**
-   * @return The driver's speculative execution policies, keyed by profile name; the returned map is
-   *     guaranteed to never be {@code null} and to always contain an entry for the {@value
-   *     DriverExecutionProfile#DEFAULT_NAME} profile.
+   * Returns the driver's speculative execution policies, keyed by profile name; the returned map is
+   * guaranteed to never be {@code null} and to always contain an entry for the {@value
+   * DriverExecutionProfile#DEFAULT_NAME} profile.
    */
   @NonNull
   Map<String, SpeculativeExecutionPolicy> getSpeculativeExecutionPolicies();
 
   /**
+   * Returns the driver's speculative execution policy for the given profile; never {@code null}.
+   *
    * @param profileName the profile name; never {@code null}.
-   * @return The driver's speculative execution policy for the given profile; never {@code null}.
    */
   @NonNull
   default SpeculativeExecutionPolicy getSpeculativeExecutionPolicy(@NonNull String profileName) {
@@ -115,39 +118,39 @@ default SpeculativeExecutionPolicy getSpeculativeExecutionPolicy(@NonNull String
         : getSpeculativeExecutionPolicies().get(DriverExecutionProfile.DEFAULT_NAME);
   }
 
-  /** @return The driver's timestamp generator; never {@code null}. */
+  /** Returns the driver's timestamp generator; never {@code null}. */
   @NonNull
   TimestampGenerator getTimestampGenerator();
 
-  /** @return The driver's reconnection policy; never {@code null}. */
+  /** Returns the driver's reconnection policy; never {@code null}. */
   @NonNull
   ReconnectionPolicy getReconnectionPolicy();
 
-  /** @return The driver's address translator; never {@code null}. */
+  /** Returns the driver's address translator; never {@code null}. */
   @NonNull
   AddressTranslator getAddressTranslator();
 
-  /** @return The authentication provider, if authentication was configured. */
+  /** Returns the authentication provider, if authentication was configured. */
   @NonNull
   Optional<AuthProvider> getAuthProvider();
 
-  /** @return The SSL engine factory, if SSL was configured. */
+  /** Returns the SSL engine factory, if SSL was configured. */
   @NonNull
   Optional<SslEngineFactory> getSslEngineFactory();
 
-  /** @return The driver's request tracker; never {@code null}. */
+  /** Returns the driver's request tracker; never {@code null}. */
   @NonNull
   RequestTracker getRequestTracker();
 
-  /** @return The driver's request throttler; never {@code null}. */
+  /** Returns the driver's request throttler; never {@code null}. */
   @NonNull
   RequestThrottler getRequestThrottler();
 
-  /** @return The driver's node state listener; never {@code null}. */
+  /** Returns the driver's node state listener; never {@code null}. */
   @NonNull
   NodeStateListener getNodeStateListener();
 
-  /** @return The driver's schema change listener; never {@code null}. */
+  /** Returns the driver's schema change listener; never {@code null}. */
   @NonNull
   SchemaChangeListener getSchemaChangeListener();
 }