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android - Kapt Gradle Task Exception:类强制转换异常

转载 作者：行者123 更新时间：2023-12-03 04:24:20 25 4
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任务':app:kaptSomethingDebugKotlin'的执行失败。

我重构了我的某些类(class)，并添加了一些kotlin类和具有裸函数的类。

当我尝试编译项目时，这些奇怪的事情发生了，并且异常堆栈跟踪都没有帮助我。

看来这个问题是由于Kotlin Java组合造成的

Unable to receive command from client socket connection from /127.0.0.1:5573 to /127.0.0.1:13020. Discarding connection.

org.gradle.internal.remote.internal.MessageIOException: Could not read message from '/127.0.0.1:13020'.
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnectin.java:92)
        at org.gradle.launcher.daemon.server.SynchronizedDispatchConnection.receive(SynchronizedDispatchConnection.java:68)
        at org.gradle.launcher.daemon.server.DefaultDaemonConnection$1.run(DefaultDaemonConnection.java:63)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
        at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.IllegalArgumentException: Unexpected type tag 67 found.
        at org.gradle.internal.serialize.DefaultSerializerRegistry$TaggedTypeSerializer.read(DefaultSerializerRegistry.java:142)
        at org.gradle.internal.serialize.Serializers$StatefulSerializerAdapter$1.read(Serializers.java:36)
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:79)
        ... 8 more

Unable to receive command from client socket connection from /127.0.0.1:5573 to /127.0
.0.1:13025. Discarding connection.org.gradle.internal.remote.internal.MessageIOException: Could not read message from '/127.0.0.1:13025'.
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:92)
        at org.gradle.launcher.daemon.server.SynchronizedDispatchConnection.receive(SynchronizedDispatchConnection.java:68)
        at org.gradle.launcher.daemon.server.DefaultDaemonConnection$1.run(DefaultDaemonConnection.java:63)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
        at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.IllegalArgumentException: Unexpected type tag 67 found.
        at org.gradle.internal.serialize.DefaultSerializerRegistry$TaggedTypeSerializer.read(DefaultSerializerRegistry.java:142)
        at org.gradle.internal.serialize.Serializers$StatefulSerializerAdapter$1.read(Serializers.java:36)
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:79)
        ... 8 more

Unable to receive command from client socket connection from /127.0.0.1:5573 to /127.0.0.1:13033. Discarding connection.
org.gradle.internal.remote.internal.MessageIOException: Could not read message from '/127.0.0.1:13033'.
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:92)
        at org.gradle.launcher.daemon.server.SynchronizedDispatchConnection.receive(SynchronizedDispatchConnection.java:68)
        at org.gradle.launcher.daemon.server.DefaultDaemonConnection$1.run(DefaultDaemonConnection.java:63)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
        at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.IllegalArgumentException: Unexpected type tag 67 found.
        at org.gradle.internal.serialize.DefaultSerializerRegistry$TaggedTypeSerializer.read(DefaultSerializerRegistry.java:142)
        at org.gradle.internal.serialize.Serializers$StatefulSerializerAdapter$1.read(Serializers.java:36)
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:79)
        ... 8 more
Unable to receive command from client socket connection from /127.0.0.1:5573 to /127.0.0.1:13040. Discarding connection.
org.gradle.internal.remote.internal.MessageIOException: Could not read message from '/127.0.0.1:13040'.
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:92)
        at org.gradle.launcher.daemon.server.SynchronizedDispatchConnection.receive(SynchronizedDispatchConnection.java:68)
        at org.gradle.launcher.daemon.server.DefaultDaemonConnection$1.run(DefaultDaemonConnection.java:63)
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
        at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.IllegalArgumentException: Unexpected type tag 67 found.
        at org.gradle.internal.serialize.DefaultSerializerRegistry$TaggedTypeSerializer.read(DefaultSerializerRegistry.java:142)
        at org.gradle.internal.serialize.Serializers$StatefulSerializerAdapter$1.read(Serializers.java:36)
        at org.gradle.internal.remote.internal.inet.SocketConnection.receive(SocketConnection.java:79)
        ... 8 more



e: java.lang.IllegalStateException: failed to analyze: java.lang.ClassCastException
        at org.jetbrains.kotlin.analyzer.AnalysisResult.throwIfError(AnalysisResult.kt:57)
        at org.jetbrains.kotlin.cli.jvm.compiler.KotlinToJVMBytecodeCompiler.compileModules(KotlinToJVMBytecodeCompiler.kt:137)
        at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:158)
        at org.jetbrains.kotlin.cli.jvm.K2JVMCompiler.doExecute(K2JVMCompiler.kt:61)
        at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.java:107)
        at org.jetbrains.kotlin.cli.common.CLICompiler.execImpl(CLICompiler.java:51)
        at org.jetbrains.kotlin.cli.common.CLITool.exec(CLITool.kt:92)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$2.invoke(CompileServiceImpl.kt:386)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl$compile$1$2.invoke(CompileServiceImpl.kt:96)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$$inlined$ifAlive$lambda$2.invoke(CompileServiceImpl.kt:892)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl$doCompile$$inlined$ifAlive$lambda$2.invoke(CompileServiceImpl.kt:96)
        at org.jetbrains.kotlin.daemon.common.DummyProfiler.withMeasure(PerfUtils.kt:137)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl.checkedCompile(CompileServiceImpl.kt:919)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl.doCompile(CompileServiceImpl.kt:891)
        at org.jetbrains.kotlin.daemon.CompileServiceImpl.compile(CompileServiceImpl.kt:385)
        at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
        at sun.rmi.transport.Transport$1.run(Transport.java:200)
        at sun.rmi.transport.Transport$1.run(Transport.java:197)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
        at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.ClassCastException

最佳答案

经过一周的试验，失败和逐行注释和取消注释，我意识到这是Java编译器在kotlin中的错误，并且每次我编写不带花括号的kotlin函数时，都会引发此异常

原因是我没有指定函数的返回类型，而我的函数只有一个语句附加在函数的主体后面，并带有等号。因此，我们依靠kotlin通过该函数的返回类型来识别函数的retuen类型。仅声明。

当您将该行语句放在花括号中并显式指定返回类型时，该异常消失

关于android - Kapt Gradle Task Exception:类强制转换异常，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/47903672/

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