Error map

UnsupportedClassVersionError java.lang.UnsupportedClassVersionError: class file version 61.0, this version of the Java Runtime only recognizes up to 55.0

Java · layer 4, Application & API

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1 · On your device 4 · Application & API 6 · Platform & cloud 7 · Build & delivery
UnsupportedClassVersionError — java.lang.UnsupportedClassVersionError: class file version 61.0, this version of the Java Runtime only recognizes up to 55.0 (Java)Unsupported…ClassNotFoundException — java.lang.ClassNotFoundException / NoClassDefFoundError (Java)ClassNotFoundExcept…Unsupported class file major version — Gradle: Unsupported class file major version / Android Gradle plugin requires Java 17 to run (Android)Unsupported class f…JAVA_HOME not set — ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. (Java)JAVA_HOME not setrelease version not supported — [ERROR] Fatal error compiling: error: release version 17 not supported (Java)release version not…You must install or update .NET to run this application — The framework 'Microsoft.NETCore.App', version '8.0.0' (x64) was not found. You must install or update .NET to run this application (.NET)You must install or…Inconsistent JVM-target compatibility — Inconsistent JVM-target compatibility detected for tasks 'compileDebugJavaWithJavac' (17) and 'compileDebugKotlin' (1.8) (Android)Inconsistent JVM-ta…Could not resolve — Gradle: Could not resolve all files for configuration / Could not resolve dependency (Android)Could not resolveClass not found — PHP Fatal error: Uncaught Error: Class "X" not found (PHP)Class not foundModuleNotFoundError — ModuleNotFoundError: No module named 'x' (Python)ModuleNotFoundErrorManifest merger failed — Manifest merger failed: android:exported needs to be explicitly specified (Android)Manifest merger fai…Duplicate class — Duplicate class X found in modules A and B (Android)Duplicate classGradle wrapper main class — Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain (Java)Gradle wrapper main…not a git repository — fatal: not a git repository (or any of the parent directories): .git (Git)not a git repositorycommand not found — bash: command not found (Linux)command not foundauthor identity unknown — Author identity unknown *** Please tell me who you are. (Git)author identity unk…ArrayIndexOutOfBoundsException — java.lang.ArrayIndexOutOfBoundsException: Index 5 out of bounds for length 5 (Java)ArrayIndexOutOfBoun…ArithmeticException — java.lang.ArithmeticException: / by zero (Java)ArithmeticExceptionAccessDeniedException — java.nio.file.AccessDeniedException: /path (Java)AccessDeniedExcepti…App Service Application Error — Azure App Service: ":( Application Error" / container didn’t respond to HTTP pings (Azure)App Service Applica…500.30 — HTTP Error 500.30 - ASP.NET Core app failed to start (.NET)500.30FileNotFoundException assembly — Could not load file or assembly 'X, Version=…' or one of its dependencies (.NET)FileNotFoundExcepti…Dependency requires compileSdk — Dependency 'androidx.x:1.y' requires libraries and applications that depend on it to compile against version 34 or later of the Android APIs (Android)Dependency requires…Cannot fit requested classes in a single dex file — Cannot fit requested classes in a single dex file (# methods: 65536 > 65536) — mergeDex failed (Android)Cannot fit requeste…android:attr/lStar not found — AAPT: error: resource android:attr/lStar not found (Android)android:attr/lStar …

Directly related (6)

ClassNotFoundExceptionJava

java.lang.ClassNotFoundException / NoClassDefFoundError

The JVM couldn’t find a class on the classpath at runtime.

Unsupported class file major versionAndroid

Gradle: Unsupported class file major version / Android Gradle plugin requires Java 17 to run

The JDK running Gradle doesn’t match what the Gradle version or Android Gradle Plugin (AGP) supports.

JAVA_HOME not setJava

ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

Build tools (Gradle, Maven, Android tools) can’t find a JDK.

release version not supportedJava

[ERROR] Fatal error compiling: error: release version 17 not supported

The JDK running Maven is older than the Java version the project compiles for.

You must install or update .NET to run this application.NET

The framework 'Microsoft.NETCore.App', version '8.0.0' (x64) was not found. You must install or update .NET to run this application

The machine doesn’t have the .NET runtime version the app was built for (framework-dependent deployment).

Inconsistent JVM-target compatibilityAndroid

Inconsistent JVM-target compatibility detected for tasks 'compileDebugJavaWithJavac' (17) and 'compileDebugKotlin' (1.8)

Java and Kotlin compile tasks target different JVM bytecode versions in the same module.

Two steps away (18)

Could not resolveAndroid

Gradle: Could not resolve all files for configuration / Could not resolve dependency

Gradle couldn’t download a dependency — wrong coordinates/version, missing repository, offline mode, or network/proxy issues.

Class not foundPHP

PHP Fatal error: Uncaught Error: Class "X" not found

PHP couldn’t load the class — autoloading failed, the namespace is wrong, or the dependency isn’t installed.

ModuleNotFoundErrorPython

ModuleNotFoundError: No module named 'x'

Python can’t find the module you import — it isn’t installed in the interpreter/virtualenv that’s running, or the import path is…

Manifest merger failedAndroid

Manifest merger failed: android:exported needs to be explicitly specified

Targeting Android 12 (API 31)+ requires `android:exported` on every activity, service or receiver that has an intent-filter.

Duplicate classAndroid

Duplicate class X found in modules A and B

Two dependencies ship the same class — typically old Android Support libraries mixed with AndroidX, or Kotlin stdlib-jdk7/jdk8 ve…

Gradle wrapper main classJava

Error: Could not find or load main class org.gradle.wrapper.GradleWrapperMain

The Gradle wrapper JAR (gradle/wrapper/gradle-wrapper.jar) is missing or corrupt.

not a git repositoryGit

fatal: not a git repository (or any of the parent directories): .git

You ran a Git command outside a Git working tree.

command not foundLinux

bash: command not found

The shell can’t find an executable with that name in any directory on your PATH.

author identity unknownGit

Author identity unknown *** Please tell me who you are.

Git doesn’t know your name and email for commits.

ArrayIndexOutOfBoundsExceptionJava

java.lang.ArrayIndexOutOfBoundsException: Index 5 out of bounds for length 5

Code accessed an array index outside 0 … length-1.

ArithmeticExceptionJava

java.lang.ArithmeticException: / by zero

Integer division or modulo by zero.

AccessDeniedExceptionJava

java.nio.file.AccessDeniedException: /path

The OS denied a file operation to the Java process.

App Service Application ErrorAzure

Azure App Service: ":( Application Error" / container didn’t respond to HTTP pings

App Service started your app but it crashed or never listened on the expected port.

500.30.NET

HTTP Error 500.30 - ASP.NET Core app failed to start

IIS/Azure’s ASP.NET Core Module launched your app but it crashed during startup.

FileNotFoundException assembly.NET

Could not load file or assembly 'X, Version=…' or one of its dependencies

The runtime couldn’t find or load a referenced DLL — missing from the output, wrong version, or wrong platform (x86/x64).

Dependency requires compileSdkAndroid

Dependency 'androidx.x:1.y' requires libraries and applications that depend on it to compile against version 34 or later of the Android APIs

A library needs a higher compileSdk than your module uses (checkAarMetadata task).

Cannot fit requested classes in a single dex fileAndroid

Cannot fit requested classes in a single dex file (# methods: 65536 > 65536) — mergeDex failed

The app exceeds the 64K method reference limit of a single DEX file and multidex isn’t enabled (minSdk below 21).

android:attr/lStar not foundAndroid

AAPT: error: resource android:attr/lStar not found

A dependency (androidx.core 1.7+) uses an attribute from Android 12 (API 31), but your module compiles against an older compileSd…

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