https://www.graalvm.org/ 
final class com.oracle.truffle.polyglot.HostException extends com.oracle.truffle.api.exception.AbstractTruffleException
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.polyglot.HostException
  super_class: com.oracle.truffle.api.exception.AbstractTruffleException
{
  private final java.lang.Throwable original;
    descriptor: Ljava/lang/Throwable;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  final com.oracle.truffle.polyglot.HostObject delegate;
    descriptor: Lcom/oracle/truffle/polyglot/HostObject;
    flags: (0x0010) ACC_FINAL

  void <init>(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // com.oracle.truffle.polyglot.HostException this
        start local 1 // java.lang.Throwable original
         0: .line 58
            aload 0 /* this */
            aload 1 /* original */
            invokestatic com.oracle.truffle.polyglot.PolyglotContextImpl.currentNotEntered:()Lcom/oracle/truffle/polyglot/PolyglotContextImpl;
            invokespecial com.oracle.truffle.polyglot.HostException.<init>:(Ljava/lang/Throwable;Lcom/oracle/truffle/polyglot/PolyglotContextImpl;)V
         1: .line 59
            return
        end local 1 // java.lang.Throwable original
        end local 0 // com.oracle.truffle.polyglot.HostException this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lcom/oracle/truffle/polyglot/HostException;
            0    2     1  original  Ljava/lang/Throwable;
    MethodParameters:
          Name  Flags
      original  

  void <init>(java.lang.Throwable, com.oracle.truffle.polyglot.PolyglotContextImpl);
    descriptor: (Ljava/lang/Throwable;Lcom/oracle/truffle/polyglot/PolyglotContextImpl;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // com.oracle.truffle.polyglot.HostException this
        start local 1 // java.lang.Throwable original
        start local 2 // com.oracle.truffle.polyglot.PolyglotContextImpl context
         0: .line 61
            aload 0 /* this */
            invokespecial com.oracle.truffle.api.exception.AbstractTruffleException.<init>:()V
         1: .line 62
            aload 0 /* this */
            aload 1 /* original */
            putfield com.oracle.truffle.polyglot.HostException.original:Ljava/lang/Throwable;
         2: .line 63
            aload 0 /* this */
            aload 1 /* original */
            aload 2 /* context */
            ifnull 3
            aload 2 /* context */
            invokevirtual com.oracle.truffle.polyglot.PolyglotContextImpl.getHostContext:()Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;
            goto 4
      StackMap locals: com.oracle.truffle.polyglot.HostException java.lang.Throwable com.oracle.truffle.polyglot.PolyglotContextImpl
      StackMap stack: com.oracle.truffle.polyglot.HostException java.lang.Throwable
         3: aconst_null
      StackMap locals: com.oracle.truffle.polyglot.HostException java.lang.Throwable com.oracle.truffle.polyglot.PolyglotContextImpl
      StackMap stack: com.oracle.truffle.polyglot.HostException java.lang.Throwable com.oracle.truffle.polyglot.PolyglotLanguageContext
         4: aload 0 /* this */
            invokestatic com.oracle.truffle.polyglot.HostObject.forException:(Ljava/lang/Throwable;Lcom/oracle/truffle/polyglot/PolyglotLanguageContext;Lcom/oracle/truffle/polyglot/HostException;)Lcom/oracle/truffle/polyglot/HostObject;
            putfield com.oracle.truffle.polyglot.HostException.delegate:Lcom/oracle/truffle/polyglot/HostObject;
         5: .line 64
            return
        end local 2 // com.oracle.truffle.polyglot.PolyglotContextImpl context
        end local 1 // java.lang.Throwable original
        end local 0 // com.oracle.truffle.polyglot.HostException this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    6     0      this  Lcom/oracle/truffle/polyglot/HostException;
            0    6     1  original  Ljava/lang/Throwable;
            0    6     2   context  Lcom/oracle/truffle/polyglot/PolyglotContextImpl;
    MethodParameters:
          Name  Flags
      original  
      context   

  java.lang.Throwable getOriginal();
    descriptor: ()Ljava/lang/Throwable;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostException this
         0: .line 67
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostException.original:Ljava/lang/Throwable;
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostException this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/HostException;

  public java.lang.String getMessage();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostException this
         0: .line 72
            aload 0 /* this */
            invokevirtual com.oracle.truffle.polyglot.HostException.getOriginal:()Ljava/lang/Throwable;
            invokevirtual java.lang.Throwable.getMessage:()Ljava/lang/String;
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostException this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/HostException;
}
SourceFile: "HostException.java"
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportLibrary(value = Lcom/oracle/truffle/api/interop/InteropLibrary;, delegateTo = "delegate")