Error map
Unsupported class file major version Gradle: Unsupported class file major version / Android Gradle plugin requires Java 17 to run
Android · layer 1, On your device
Centre: this error. First ring: errors it is linked with (12). Outer ring: what those are linked with. Colours show the layer of a request each error belongs to. Click any dot to re-centre the map on it; hover to follow its connections. The centre dot opens the error page.
Directly related (12)
java.lang.ClassNotFoundException / NoClassDefFoundError
The JVM couldn’t find a class on the classpath at runtime.
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.
[ERROR] Fatal error compiling: error: release version 17 not supported
The JDK running Maven is older than the Java version the project compiles for.
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.
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.
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.
Module was compiled with an incompatible version of Kotlin. The binary version of its metadata is 2.0.0, expected version is 1.8.0
A dependency was compiled with a newer Kotlin version than your project’s Kotlin Gradle plugin can read.
java.lang.UnsupportedClassVersionError: class file version 61.0, this version of the Java Runtime only recognizes up to 55.0
Code compiled for a newer Java version is running on an older JVM.
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…
Minimum supported Gradle version is 8.7. Current version is 8.2
The Android Gradle Plugin (AGP) version in your build needs a newer Gradle wrapper version.
AAPT: error: resource x (aka y) not found — Android resource linking failed
A layout, manifest or style references a resource (drawable, string, style, attribute) that doesn’t exist in the module or its de…
SDK location not found. Define a valid SDK location with an ANDROID_HOME environment variable or by setting the sdk.dir path in local.properties
Gradle doesn’t know where the Android SDK is installed.
Two steps away (35)
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.
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…
java.lang.NullPointerException
Code called a method or accessed a field on a reference that is `null`.
fatal: not a git repository (or any of the parent directories): .git
You ran a Git command outside a Git working tree.
bash: command not found
The shell can’t find an executable with that name in any directory on your PATH.
Author identity unknown *** Please tell me who you are.
Git doesn’t know your name and email for commits.
java.lang.ArrayIndexOutOfBoundsException: Index 5 out of bounds for length 5
Code accessed an array index outside 0 … length-1.
java.lang.ArithmeticException: / by zero
Integer division or modulo by zero.
java.nio.file.AccessDeniedException: /path
The OS denied a file operation to the Java process.
Android: INSTALL_FAILED_UPDATE_INCOMPATIBLE
An app with the same package name but a different signing key is already installed on the device.
CocoaPods could not find compatible versions for pod
pod install can’t satisfy the version constraints — outdated spec repo, a higher deployment target required, or two pods needing…
java.lang.NoSuchMethodError
Code compiled against one version of a library is running with another version where the method doesn’t exist.
Namespace not specified. Specify a namespace in the module's build file (AGP 8)
AGP 8 requires android { namespace = "…" } in each module’s build file; the package attribute in AndroidManifest.xml is no longer…
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…
ActivityNotFoundException: Unable to find explicit activity class; have you declared this activity in your AndroidManifest.xml?
An Intent targets an Activity that isn’t declared in the manifest, or an implicit intent has no app to handle it.
npm ERR! code ELIFECYCLE / Command failed with exit code 1
An npm script (build, start, test, postinstall) exited with an error. ELIFECYCLE is only the wrapper — the real error is printed…
COPY failed: file not found in build context / "/app/x": not found
The Dockerfile COPY refers to a path outside the build context, excluded by .dockerignore, or relative to the wrong directory.
Error: error:0308010C:digital envelope routines::unsupported
An old build tool (webpack 4, old react-scripts) uses a hash algorithm that OpenSSL 3 in Node 17+ disables.
Authentication plugin 'caching_sha2_password' cannot be loaded
An old MySQL client/driver can’t use MySQL 8’s default authentication plugin.
npm WARN old lockfile — The package-lock.json file was created with an old version of npm, so supplemental metadata must be fetched
The lockfile is lockfileVersion 1 (npm 6) and npm 7+ is upgrading it.
npm ERR! cb() never called!
An old npm crash during install — usually network/cache corruption.
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.
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).
[ERROR] Failed to execute goal on project x: Could not resolve dependencies for project
Maven couldn’t download or find one or more dependencies.
npm WARN EBADENGINE Unsupported engine / The engine "node" is incompatible with this module
A package requires a different Node.js version than the one you’re running.
Your requirements could not be resolved to an installable set of packages.
Composer can’t find package versions that satisfy every constraint (PHP version, extensions, other packages).
Error: Cannot find matching keyid (Corepack signature verification)
An older Corepack couldn’t verify the signature of a newly published pnpm/yarn release after npm rotated its signing keys.
npm WARN config global `--global`, `--local` are deprecated. Use `--location=global` instead.
A deprecation warning printed by npm 8.11–8.12 for the --global flag.
FATAL: database files are incompatible with server — The data directory was initialized by PostgreSQL version 15, which is not compatible with this version 16
A newer (or older) PostgreSQL major version was started on an existing data directory.
Kubernetes: Pod stuck in Pending — FailedScheduling: 0/3 nodes are available
The scheduler can’t find a node that satisfies the pod’s resource requests, selectors, taints or volume constraints.
Kubernetes: Pod Evicted — The node was low on resource: memory / ephemeral-storage
The kubelet removed the pod because its node ran short of memory or disk.
Error creating: pods is forbidden: exceeded quota: compute-resources, requested: limits.memory=1Gi, used: ..., limited: ...
The namespace’s ResourceQuota doesn’t have room for the new pod’s requests/limits (or object count).
npm ERR! enoent ENOENT: no such file or directory, open '/path/package.json'
npm ran in a directory without a package.json.
yarn: command not found
Yarn isn’t installed (or not enabled through Corepack) on this machine.
Error: createRoot(...): Target container is not a DOM element.
The element passed to createRoot/render doesn’t exist when the script runs.
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