ErrLookup › Konloch/bytecode-viewer

Konloch/bytecode-viewer

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More) · Java · 311 source files

Analyzed at 31430e0033 on 2026-09-05. 31 documented errors.

Code / MessageTypeSeverityTags
Unknown constant pool tag ${tag}
exception error java, class-parsing, malformed-input
null key or factory
exception error java, loader, registry, null-check
factory already registered with key: ${key}
exception error java, loader, registry, duplicate-key
null key
exception error java, loader, registry, null-check
factory doesn't key for key: ${key}
exception error java, loader, registry, unknown-key
Unable to resolve class-filetype.
exception error java, decompiler, procyon, class-resolution
Unable to resolve type.
exception error java, decompiler, procyon, zip, class-resolution
'${codebase}' is not a directory
exception error java, loader, filesystem, input-validation
'${file.getAbsolutePath()}' not found.
exception error java, io, file-not-found, decompiler
Invalid Java .class file
exception error java, class-format, validation, decompiler
Unknown Java structure
exception error java, class-format, corrupt-file, decompiler
Invalid constant pool
exception error java, class-format, constant-pool, decompiler
Invalid internal class name
exception error decompiler, classpath, jar, java, format
Value is out of range
validation warning swing, hex-editor, user-input, range, byte
Value out of range
validation warning hexviewer, range-check, gui, input-validation
Empty value not valid
validation info hexviewer, empty-input, gui, validation
Only single character allowed
validation info hexviewer, input-length, gui, validation
String is too long
validation info hexviewer, input-length, buffer-overflow-guard, validation
No launch strategy for extension %s (%s)
exception error plugin-system, unsupported-format, runtime-exception
Multiple plugin subclasses.
exception error plugin-system, classpath, ambiguous-class, compiled-java
Cannot find Groovy script engine! Please contact Konloch.
exception error plugin-system, groovy, script-engine, missing-dependency, classpath
Cannot find Javascript script engine! Please contact Konloch
exception error java, scripting, nashorn, graaljs, classpath
Cannot find Jython script engine! Please contact Konloch.
exception error java, jython, python, scripting, classpath
Cannot find jRuby script engine! Please contact Konloch.
exception error java, jruby, ruby, scripting, classpath
Unknown opcode encountered:
exception warning java, asm, bytecode, opcode
BCV is awesome! Blocking exec:
exception error java, security, securitymanager, exec-blocked, sandbox
BCV is awesome, blocking port
exception error java, security, securitymanager, network, socket
BCV is awesome, blocking System.exit(
exception error java, security, securitymanager, system-exit, sandbox
BCV is awesome, blocking write(
exception error java, security, securitymanager, file-write, sandbox
Failed to create temp folder:
exception error java, io, filesystem, temp-directory
Unknown implementation
exception error java, runtime-exception, gui-state, apk-conversion, bytecode-viewer