checkstyle error

-> make
java --version
openjdk 17.0.16 2025-07-15
OpenJDK Runtime Environment (build 17.0.16+8-suse-1699-x8664)
OpenJDK 64-Bit Server VM (build 17.0.16+8-suse-1699-x8664, mixed mode, sharing)
gradle --version

------------------------------------------------------------
Gradle 8.8
------------------------------------------------------------

Build time:   2024-05-31 21:46:56 UTC
Revision:     4bd1b3d3fc3f31db5a26eecb416a165b8cc36082

Kotlin:       1.9.22
Groovy:       3.0.21
Ant:          Apache Ant(TM) version 1.10.13 compiled on January 4 2023
JVM:          17.0.16 (Oracle Corporation 17.0.16+8-suse-1699-x8664)
OS:           Linux 6.15.8-1-default amd64

gradle --console=plain build
Starting a Gradle Daemon (subsequent builds will be faster)
> Task :pulumi:extractIncludeProto
> Task :pulumi:extractProto
> Task :pulumi:generateProto

> Task :pulumi:compileJava
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

> Task :pulumi:processResources
> Task :pulumi:classes
> Task :pulumi:jar
> Task :pulumi:javadoc
> Task :pulumi:javadocJar
> Task :pulumi:assemble
> Task :pulumi:extractIncludePubProto
> Task :pulumi:extractPubProto
> Task :pulumi:generatePubProto NO-SOURCE

> Task :pulumi:compilePubJava

<-- Example errors -->

/home/zappp/Desktop/open-source/pulumi-java/sdk/java/pulumi/src/main/java/com/pulumi/internal/PulumiInternal.java:24: error: package javax.annotation does not exist
import javax.annotation.ParametersAreNonnullByDefault;
                       ^
/home/zappp/Desktop/open-source/pulumi-java/sdk/java/pulumi/src/main/java/com/pulumi/deployment/internal/DeploymentImpl.java:9: error: package com.google.gson does not exist
import com.google.gson.Gson;
                      ^
/home/zappp/Desktop/open-source/pulumi-java/sdk/java/pulumi/src/main/java/com/pulumi/deployment/internal/DeploymentImpl.java:10: error: package com.google.gson does not exist
import com.google.gson.JsonElement;

/home/zappp/Desktop/open-source/pulumi-java/sdk/java/pulumi/src/main/java/com/pulumi/serialization/internal/Structs.java:4: error: package com.google.protobuf does not exist
import com.google.protobuf.Value;

  symbol: class ParametersAreNonnullByDefault
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
100 errors

> Task :pulumi:compilePubJava FAILED

> Task :pulumi:checkstyleMain

< -- Bunch of checkstyle warnings -->

[ant:checkstyle] [WARN] /home/zappp/Desktop/open-source/pulumi-java/sdk/java/pulumi/src/main/java/com/pulumi/Context.java:14: Javadoc has empty description section. [JavadocStyle]
[ant:checkstyle] [WARN] /home/zappp/Desktop/open-source/pulumi-
Checkstyle rule violations were found. See the report at: file:///home/zappp/Desktop/open-source/pulumi-java/sdk/java/pulumi/build/reports/checkstyle/main.html
Checkstyle files with violations: 85
Checkstyle violations by severity: [warning:1488]

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':pulumi:compilePubJava'.
> Compilation failed; see the compiler error output for details.

* Try:
> Run with --info option to get more log output.
> Run with --scan to get full insights.

BUILD FAILED in 2m 43s
12 actionable tasks: 12 executed
make: *** [Makefile:5: build] Error 1