Pattern selector

Most relevant patterns first. Most helpful ones displayed. Click here to show all.

  1. Thread.run() has thrown a ClassFormatError
    Java Runtime
    1
    0
    1
  2. Trying to run application as standalone instead of inside a container or application server
    Java Runtime
    229
    147
    90

Your stack trace compared to the selected pattern

Jump to solutionsExpand frames
java.lang.ClassFormatError: Incompatible magic value 4022058812 in class file COM/volano/MyVolanoChat
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
6 frames hidden

External results for this pattern (10)

  1. SeanMvia Google Groups1 week ago
    Class name contains illegal character '.' in descriptor in class file test/Test$
    Show stack trace
  2. tnganvia GitHub1 week ago
    Truncated class file
    Show stack trace
  3. Phil-Jeanvia GitHub1 week ago
    Absent Code attribute in method that is not native or abstract in class file javax/ws/rs/core/Response$ResponseBuilder
    Show stack trace
  4. jdcaperonvia GitHub3 weeks ago
    Code attribute in native or abstract methods in class file com/camerakit/CameraKitView$CameraPreview
    Show stack trace
  5. poma123via GitHub1 month ago
    java.lang.ClassFormatError: Illegal UTF8 string in constant pool in class file me/kangarko/chatcontrol/ChatControl
    Show stack trace
  6. CraftingGamerTomvia GitHub1 month ago
    Absent Code attribute in method that is not native or abstract in class file javax/servlet/ServletException
    Show stack trace
  7. fafhrd2via GitHub1 month ago
    Absent Code attribute in method that is not native or abstract in class file org/json/JSONException
    Show stack trace
  8. zcourtsvia GitHub2 months ago
    Handler dispatch failed; nested exception is java.lang.ClassFormatError: Duplicate field name "ENUM$VALUES" with signature "[Lcore.HttpMethod;" in class file core/HttpMethod
    Show stack trace
  9. ReedOeivia GitHub2 months ago
    Method f in class InterfaceTest has illegal modifiers: 0x1
    Show stack trace
  10. frefvia GitHub2 months ago
    Method and in class org/test/TestLambda$ComposablePredicate has illegal modifiers: 0x1
    Show stack trace