build fails ( Java 14.0.1 )

[grimace]

ArcadeDB Version: trunk

JDK Version: JDK 14.0.1

OS: Mac OSX

Expected behavior

build should complete successfully

Actual behavior

failure building engine

Steps to reproduce

clone to local project folder
cd arcadedb
mvnw install

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project arcadedb-engine: Compilation failure: Compilation failure: 
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/database/async/DatabaseAsyncExecutorImpl.java:[376,34] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/serializer/BinarySerializer.java:[51,58] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/Bucket.java:[84,33] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/Bucket.java:[88,34] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/Bucket.java:[192,19] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/Bucket.java:[374,42] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/Bucket.java:[452,46] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/database/async/DatabaseAsyncExecutor.java:[75,21] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/BucketIterator.java:[32,49] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/BucketIterator.java:[40,3] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/engine/BucketIterator.java:[126,10] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/schema/EmbeddedSchema.java:[335,23] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/graph/ImmutableVertex.java:[61,11] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/query/sql/function/misc/SQLFunctionEncode.java:[57,13] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] [User Path]/projects/arcadedb/engine/src/main/java/com/arcadedb/graph/ImmutableEdge.java:[61,11] reference to Record is ambiguous
[ERROR]   both interface com.arcadedb.database.Record in com.arcadedb.database and class java.lang.Record in java.lang match
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :arcadedb-engine

[lvca]

We used Java11 to compile it. We should definitely check with the more recent compilers. Thanks for the report.

[lvca]

Fixed by commit 5cdd167.

[lvca]

Still some module needs a fix...

[lvca]

Fixed by commit 15eae32.

[lvca]

Even if the build works, Gremlin and Cypher are not compatible with JDK16+ because of a bug with Gradle. Issue: #17.