Hi there,
sorry for the wait.
I can tell you how to reproduce it, but I think I now know where the issue
come from: the com.google.protobuf:protobuf-java-util library doesn't
support "lite".
When I encounter this error I never went past the failing test.
But trying to reproduce the issue in isolation I actually did that and got
a different error in my small android app
org.gradle.api.tasks.TaskExecutionException: Execution failed for task
':app:checkDebugDuplicateClasses'.
Caused by:
org.gradle.workers.internal.DefaultWorkerExecutor$WorkExecutionException: A
failure occurred while executing
com.android.build.gradle.internal.tasks.CheckDuplicatesRunnable
Caused by: java.lang.RuntimeException: Duplicate class
com.google.protobuf.AbstractMessageLite found in modules
protobuf-java-3.21.9 (com.google.protobuf:protobuf-java:3.21.9) and
protobuf-javalite-3.21.9 (com.google.protobuf:protobuf-javalite:3.21.9)
Duplicate class com.google.protobuf.AbstractMessageLite$Builder found in
modules protobuf-java-3.21.9 (com.google.protobuf:protobuf-java:3.21.9) and
protobuf-javalite-3.21.9 (com.google.protobuf:protobuf-javalite:3.21.9)
[...]
this prompt me to look into the dependencies of the utility and I saw it
depends on the non-lite version of protobuf.
So I figured: wait, does it mean that if I use the full one instead of lite
I won't have the issue?
turns out: yes, if I use the full one I do not have the exceptions above....
foolish by me not to check the dependencies and assuming the utility lib
would work for both the lite and full version
Looking again at the exceptions I got from my unit tests:
'com.google.protobuf.Timestamp
com.google.protobuf.Timestamp$Builder.build()'
java.lang.NoSuchMethodError: 'com.google.protobuf.Timestamp
com.google.protobuf.Timestamp$Builder.build()'
at com.google.protobuf.util.Timestamps.<clinit>(Timestamps.java:73)
at com.example.protolib.ProtobufUtilsKt.toProtoTimestamp(ProtobufUtils.kt:7)
at com.example.protolib.ProtbufUtilsTest.toTimestamp(ProtbufUtilsTest.kt:15)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
Could not initialize class com.google.protobuf.util.Timestamps
java.lang.NoClassDefFoundError: Could not initialize class
com.google.protobuf.util.Timestamps
at
com.example.protolib.ProtobufUtilsKt.toMillisTimestamp(ProtobufUtils.kt:11)
at
com.example.protolib.ProtbufUtilsTest.toMillisTimestamp(ProtbufUtilsTest.kt:25)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
I guess the issue here is that the implementation of Timestamps differ from
lite to full protobuf and the util link via reflection to the full one.
Which turn my question in: is there an utility library for the lite
version, possibly one that does NOT use reflection?
I implemented the utilities methods I needed myself in my project right
now, thinking I would replace it with the official utility when I figured
out this issue.
Now I guess I'll have to write my own utilities methods whenever I need to
do something.
If you want to reproduce the error this below is the code you need, run the
unit test and you'll reproduce the error
and if you switch to the full version (dependencies + comment option lite
in the build.gradle.kts file) and run the unit test again it will go away
(I've added some comment)
=========
create a java library module in intellij / android studio called "protolib"
and use these codes (with gradle wrapper 8.0)
*settings.gradle.kts* (this should be fairly standard)
pluginManagement {
repositories {
google()
mavenCentral()
gradlePluginPortal()
}
}
dependencyResolutionManagement {
repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
repositories {
google()
mavenCentral()
}
}
rootProject.name = "ProtobuffUtilIssue"
include(":protolib")
*build.gradle.kts*
import com.google.protobuf.gradle.id
plugins {
id("java-library")
id("org.jetbrains.kotlin.jvm")
id("com.google.protobuf") version "0.9.1"
}
java {
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
}
tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
kotlinOptions.jvmTarget = "1.8"
}
protobuf {
protoc {
artifact = "com.google.protobuf:protoc:3.21.9"
}
generateProtoTasks {
ofSourceSet("main").forEach { task ->
task.builtins {
getByName("java") {
option("lite") // comment for full version
}
id("kotlin") {
option("lite") // comment for full version
}
}
}
}
}
dependencies {
api("com.google.protobuf:protobuf-javalite:3.21.9")
api("com.google.protobuf:protobuf-kotlin-lite:3.21.9")
// swap the above 2 dependencies for these one for full version
// api("com.google.protobuf:protobuf-java:3.21.9")
// api("com.google.protobuf:protobuf-kotlin:3.21.9")
implementation("com.google.protobuf:protobuf-java-util:3.21.9")
testImplementation("junit:junit:4.13.2")
testImplementation("org.jetbrains.kotlin:kotlin-test:1.8.10")
testImplementation("org.jetbrains.kotlin:kotlin-test-junit:1.8.10")
}
*src/main/java/com/example/protolib/ProtobufUtils.kt*
package com.example.protolib
import com.google.protobuf.Timestamp
import com.google.protobuf.util.Timestamps
fun Long.toProtoTimestamp(): Timestamp {
return Timestamps.fromMillis(this)
}
fun Timestamp.toMillisTimestamp(): Long {
return Timestamps.toMillis(this)
}
*src/test/java/com/example/protolib/ProtbufUtilsTest.kt* (unit test!)
package com.example.protolib
import com.google.protobuf.timestamp
import kotlin.test.Test
import kotlin.test.assertEquals
class ProtbufUtilsTest {
@Test
fun toTimestamp() {
val timestampLong = 1668178299L
val expected = timestamp {
seconds = 1668178
nanos = 299000000
}
assertEquals(expected, timestampLong.toProtoTimestamp())
}
@Test
fun toMillisTimestamp() {
val timestamp = timestamp {
seconds = 1668178
nanos = 299000000
}
val expected = 1668178299L
assertEquals(expected, timestamp.toMillisTimestamp())
}
}
========
On Friday, April 21, 2023 at 11:48:54 PM UTC+2 Jerry Berg wrote:
> SGTM
>
> On Fri, Apr 21, 2023 at 1:56 PM Daniele Segato <[email protected]>
> wrote:
>
>> Hi,
>>
>> It's part of a product of my company, I cannot disclose the code. I'll
>> see if I can manage to create a small project on GitHub to reproduce it.
>>
>> But I won't be able to do it until the end of next week.
>>
>> I'll update here.
>>
>> Thank you!
>> Daniele
>>
>> On Thu, Apr 20, 2023, 17:31 'Jerry Berg' via Protocol Buffers <
>> [email protected]> wrote:
>>
>>> Hi Daniele,
>>>
>>> I'm having difficulty reproducing this issue. Do you have a project on
>>> GitHub or some other location where I can clone it and try it out?
>>>
>>> Thanks,
>>> Jerry
>>>
>>> On Tuesday, April 18, 2023 at 1:29:11 AM UTC-6 Daniele Segato wrote:
>>>
>>>> anyone?
>>>>
>>>> On Thursday, March 2, 2023 at 11:35:54 AM UTC+1 Daniele Segato wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> I get runtime errors when I try to use
>>>>> the com.google.protobuf:protobuf-java-util to convert a long to a
>>>>> Timestamp.
>>>>>
>>>>> I believe the issue is that the protobuf-java-util does not support
>>>>> kotlin
>>>>>
>>>>> Here's the stacktrace, followed by my build.gradle.kts for the project
>>>>>
>>>>> 'com.google.protobuf.Timestamp
>>>>> com.google.protobuf.Timestamp$Builder.build()'
>>>>> java.lang.NoSuchMethodError: 'com.google.protobuf.Timestamp
>>>>> com.google.protobuf.Timestamp$Builder.build()'
>>>>> at com.google.protobuf.util.Timestamps.<clinit>(Timestamps.java:73)
>>>>> at
>>>>> nhc.protobuf.util.TimestampsKtKt.toProtoTimestamp(TimestampsKt.kt:7)
>>>>> at
>>>>> nhc.protobuf.util.TimestampsKtTest.toTimestamp(TimestampsKtTest.kt:16)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
>>>>> Method)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
>>>>> at
>>>>> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
>>>>> at
>>>>> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
>>>>> at
>>>>> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>>>>> at
>>>>> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
>>>>> at
>>>>> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>>>>> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>>>>> at
>>>>> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
>>>>> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
>>>>> at
>>>>> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
>>>>> at
>>>>> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
>>>>> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
>>>>> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
>>>>> at
>>>>> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
>>>>> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
>>>>> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
>>>>> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>>>>> at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:108)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:40)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:60)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:52)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
>>>>> Method)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
>>>>> at
>>>>> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
>>>>> at
>>>>> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
>>>>> at
>>>>> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>>>>> at
>>>>> org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
>>>>> at
>>>>> org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
>>>>> at jdk.proxy1/jdk.proxy1.$Proxy2.processTestClass(Unknown Source)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker$2.run(TestWorker.java:176)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
>>>>> at
>>>>> org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
>>>>> at
>>>>> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:113)
>>>>> at
>>>>> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:65)
>>>>> at
>>>>> worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
>>>>> at
>>>>> worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
>>>>>
>>>>>
>>>>> Could not initialize class com.google.protobuf.util.Timestamps
>>>>> java.lang.NoClassDefFoundError: Could not initialize class
>>>>> com.google.protobuf.util.Timestamps
>>>>> at
>>>>> nhc.protobuf.util.TimestampsKtKt.toMillisTimestamp(TimestampsKt.kt:11)
>>>>> at
>>>>> nhc.protobuf.util.TimestampsKtTest.toMillisTimestamp(TimestampsKtTest.kt:26)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
>>>>> Method)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
>>>>> at
>>>>> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
>>>>> at
>>>>> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
>>>>> at
>>>>> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
>>>>> at
>>>>> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
>>>>> at
>>>>> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
>>>>> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>>>>> at
>>>>> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
>>>>> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
>>>>> at
>>>>> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
>>>>> at
>>>>> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
>>>>> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
>>>>> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
>>>>> at
>>>>> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
>>>>> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
>>>>> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
>>>>> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
>>>>> at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:108)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:40)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:60)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:52)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
>>>>> Method)
>>>>> at
>>>>> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
>>>>> at
>>>>> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>> at java.base/java.lang.reflect.Method.invoke(Method.java:568)
>>>>> at
>>>>> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
>>>>> at
>>>>> org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
>>>>> at
>>>>> org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
>>>>> at
>>>>> org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
>>>>> at jdk.proxy1/jdk.proxy1.$Proxy2.processTestClass(Unknown Source)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker$2.run(TestWorker.java:176)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
>>>>> at
>>>>> org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
>>>>> at
>>>>> org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
>>>>> at
>>>>> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:113)
>>>>> at
>>>>> org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:65)
>>>>> at
>>>>> worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
>>>>> at
>>>>> worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
>>>>>
>>>>>
>>>>> My project is configured like this:
>>>>>
>>>>>
>>>>> import com.google.protobuf.gradle.id
>>>>>
>>>>> plugins {
>>>>> id("java-library")
>>>>> id("org.jetbrains.kotlin.jvm") version "1.8.10"
>>>>> id("com.google.protobuf") version "0.9.1"
>>>>> }
>>>>>
>>>>> java {
>>>>> sourceCompatibility = JavaVersion.VERSION_17
>>>>> targetCompatibility = JavaVersion.VERSION_17
>>>>> }
>>>>>
>>>>> kotlin {
>>>>> jvmToolchain(17)
>>>>> }
>>>>>
>>>>> tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
>>>>> kotlinOptions.jvmTarget = "17"
>>>>> }
>>>>>
>>>>> protobuf {
>>>>> protoc {
>>>>> artifact = "com.google.protobuf:protoc:3.21.9"
>>>>> }
>>>>>
>>>>> // Generates the java Protobuf-lite code for the Protobufs in
>>>>> this project. See
>>>>> //
>>>>> https://github.com/google/protobuf-gradle-plugin#customizing-protobuf-compilation
>>>>> // for more information.
>>>>> generateProtoTasks {
>>>>> // see
>>>>> https://github.com/google/protobuf-gradle-plugin/issues/518
>>>>> // see
>>>>> https://github.com/google/protobuf-gradle-plugin/issues/491
>>>>> ofSourceSet("main").forEach { task ->
>>>>> task.builtins {
>>>>> getByName("java") {
>>>>> option("lite")
>>>>> }
>>>>> id("kotlin") {
>>>>> option("lite")
>>>>> }
>>>>> }
>>>>> }
>>>>> }
>>>>> }
>>>>>
>>>>> dependencies {
>>>>> api("com.google.protobuf:protobuf-javalite:3.21.9")
>>>>> api("com.google.protobuf:protobuf-kotlin-lite:3.21.9")
>>>>> api("com.google.protobuf:protobuf-java-util:3.21.9")
>>>>> }
>>>>>
>>>>> Should I open a bug or a feature request on
>>>>> https://github.com/protocolbuffers/protobuf/issues/ ?
>>>>>
>>>>> Thanks in advance,
>>>>> Daniele
>>>>>
>>>>> --
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>>> To view this discussion on the web visit
>>> https://groups.google.com/d/msgid/protobuf/8f7ec431-9ac9-44d7-b29f-694709616b38n%40googlegroups.com
>>>
>>> <https://groups.google.com/d/msgid/protobuf/8f7ec431-9ac9-44d7-b29f-694709616b38n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>> --
>>
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>>
>> <https://groups.google.com/d/msgid/protobuf/CAND5yRvHzz%3DtW2pkvFTzbZz0kmMtrVumGV1ZSC8JO1fDA0UszA%40mail.gmail.com?utm_medium=email&utm_source=footer>
>> .
>>
>
>
> --
> Jerry Berg | Software Engineer | [email protected] | 720-808-1188
>
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