https://spring.io/projects/spring-boot: Spring Boot (Pivotal Software, Inc.) 
class org.springframework.boot.SpringBootExceptionHandler implements java.lang.Thread$UncaughtExceptionHandler
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.springframework.boot.SpringBootExceptionHandler
  super_class: java.lang.Object
{
  private static final java.util.Set<java.lang.String> LOG_CONFIGURATION_MESSAGES;
    descriptor: Ljava/util/Set;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    Signature: Ljava/util/Set<Ljava/lang/String;>;

  private static org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal handler;
    descriptor: Lorg/springframework/boot/SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  private final java.lang.Thread$UncaughtExceptionHandler parent;
    descriptor: Ljava/lang/Thread$UncaughtExceptionHandler;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.List<java.lang.Throwable> loggedExceptions;
    descriptor: Ljava/util/List;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/List<Ljava/lang/Throwable;>;

  private int exitCode;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=1, args_size=0
         0: .line 38
            new java.util.HashSet
            dup
            invokespecial java.util.HashSet.<init>:()V
            astore 0 /* messages */
        start local 0 // java.util.Set messages
         1: .line 39
            aload 0 /* messages */
            ldc "Logback configuration error detected"
            invokeinterface java.util.Set.add:(Ljava/lang/Object;)Z
            pop
         2: .line 40
            aload 0 /* messages */
            invokestatic java.util.Collections.unmodifiableSet:(Ljava/util/Set;)Ljava/util/Set;
            putstatic org.springframework.boot.SpringBootExceptionHandler.LOG_CONFIGURATION_MESSAGES:Ljava/util/Set;
        end local 0 // java.util.Set messages
         3: .line 43
            new org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal
            dup
            invokespecial org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal.<init>:()V
            putstatic org.springframework.boot.SpringBootExceptionHandler.handler:Lorg/springframework/boot/SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal;
            return
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            1    3     0  messages  Ljava/util/Set<Ljava/lang/String;>;

  void <init>(java.lang.Thread$UncaughtExceptionHandler);
    descriptor: (Ljava/lang/Thread$UncaughtExceptionHandler;)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // java.lang.Thread$UncaughtExceptionHandler parent
         0: .line 51
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 47
            aload 0 /* this */
            new java.util.ArrayList
            dup
            invokespecial java.util.ArrayList.<init>:()V
            putfield org.springframework.boot.SpringBootExceptionHandler.loggedExceptions:Ljava/util/List;
         2: .line 49
            aload 0 /* this */
            iconst_0
            putfield org.springframework.boot.SpringBootExceptionHandler.exitCode:I
         3: .line 52
            aload 0 /* this */
            aload 1 /* parent */
            putfield org.springframework.boot.SpringBootExceptionHandler.parent:Ljava/lang/Thread$UncaughtExceptionHandler;
         4: .line 53
            return
        end local 1 // java.lang.Thread$UncaughtExceptionHandler parent
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0    5     1  parent  Ljava/lang/Thread$UncaughtExceptionHandler;
    MethodParameters:
        Name  Flags
      parent  

  void registerLoggedException(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // java.lang.Throwable exception
         0: .line 56
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.loggedExceptions:Ljava/util/List;
            aload 1 /* exception */
            invokeinterface java.util.List.add:(Ljava/lang/Object;)Z
            pop
         1: .line 57
            return
        end local 1 // java.lang.Throwable exception
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    2     0       this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0    2     1  exception  Ljava/lang/Throwable;
    MethodParameters:
           Name  Flags
      exception  

  void registerExitCode(int);
    descriptor: (I)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // int exitCode
         0: .line 60
            aload 0 /* this */
            iload 1 /* exitCode */
            putfield org.springframework.boot.SpringBootExceptionHandler.exitCode:I
         1: .line 61
            return
        end local 1 // int exitCode
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0    2     1  exitCode  I
    MethodParameters:
          Name  Flags
      exitCode  

  public void uncaughtException(java.lang.Thread, java.lang.Throwable);
    descriptor: (Ljava/lang/Thread;Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // java.lang.Thread thread
        start local 2 // java.lang.Throwable ex
         0: .line 66
            aload 0 /* this */
            aload 2 /* ex */
            invokevirtual org.springframework.boot.SpringBootExceptionHandler.isPassedToParent:(Ljava/lang/Throwable;)Z
            ifeq 8
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.parent:Ljava/lang/Thread$UncaughtExceptionHandler;
            ifnull 8
         1: .line 67
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.parent:Ljava/lang/Thread$UncaughtExceptionHandler;
            aload 1 /* thread */
            aload 2 /* ex */
            invokeinterface java.lang.Thread$UncaughtExceptionHandler.uncaughtException:(Ljava/lang/Thread;Ljava/lang/Throwable;)V
         2: .line 69
            goto 8
         3: .line 70
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 3
         4: .line 71
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.loggedExceptions:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
         5: .line 72
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.exitCode:I
            ifeq 7
         6: .line 73
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.exitCode:I
            invokestatic java.lang.System.exit:(I)V
         7: .line 75
      StackMap locals: java.lang.Throwable
      StackMap stack:
            aload 3
            athrow
         8: .line 71
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.loggedExceptions:Ljava/util/List;
            invokeinterface java.util.List.clear:()V
         9: .line 72
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.exitCode:I
            ifeq 11
        10: .line 73
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.exitCode:I
            invokestatic java.lang.System.exit:(I)V
        11: .line 76
      StackMap locals:
      StackMap stack:
            return
        end local 2 // java.lang.Throwable ex
        end local 1 // java.lang.Thread thread
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   12     0    this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0   12     1  thread  Ljava/lang/Thread;
            0   12     2      ex  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           0     3       3  any
    MethodParameters:
        Name  Flags
      thread  
      ex      

  private boolean isPassedToParent(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // java.lang.Throwable ex
         0: .line 79
            aload 0 /* this */
            aload 1 /* ex */
            invokevirtual org.springframework.boot.SpringBootExceptionHandler.isLogConfigurationMessage:(Ljava/lang/Throwable;)Z
            ifne 1
            aload 0 /* this */
            aload 1 /* ex */
            invokevirtual org.springframework.boot.SpringBootExceptionHandler.isRegistered:(Ljava/lang/Throwable;)Z
            ifeq 1
            iconst_0
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_1
            ireturn
        end local 1 // java.lang.Throwable ex
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0    2     1    ex  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      ex    

  private boolean isLogConfigurationMessage(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=5, args_size=2
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // java.lang.Throwable ex
         0: .line 89
            aload 1 /* ex */
            instanceof java.lang.reflect.InvocationTargetException
            ifeq 2
         1: .line 90
            aload 0 /* this */
            aload 1 /* ex */
            invokevirtual java.lang.Throwable.getCause:()Ljava/lang/Throwable;
            invokevirtual org.springframework.boot.SpringBootExceptionHandler.isLogConfigurationMessage:(Ljava/lang/Throwable;)Z
            ireturn
         2: .line 92
      StackMap locals:
      StackMap stack:
            aload 1 /* ex */
            invokevirtual java.lang.Throwable.getMessage:()Ljava/lang/String;
            astore 2 /* message */
        start local 2 // java.lang.String message
         3: .line 93
            aload 2 /* message */
            ifnull 9
         4: .line 94
            getstatic org.springframework.boot.SpringBootExceptionHandler.LOG_CONFIGURATION_MESSAGES:Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 8
      StackMap locals: org.springframework.boot.SpringBootExceptionHandler java.lang.Throwable java.lang.String top java.util.Iterator
      StackMap stack:
         5: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* candidate */
        start local 3 // java.lang.String candidate
         6: .line 95
            aload 2 /* message */
            aload 3 /* candidate */
            invokevirtual java.lang.String.contains:(Ljava/lang/CharSequence;)Z
            ifeq 8
         7: .line 96
            iconst_1
            ireturn
        end local 3 // java.lang.String candidate
         8: .line 94
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 5
         9: .line 100
      StackMap locals: org.springframework.boot.SpringBootExceptionHandler java.lang.Throwable java.lang.String
      StackMap stack:
            iconst_0
            ireturn
        end local 2 // java.lang.String message
        end local 1 // java.lang.Throwable ex
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0   10     0       this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0   10     1         ex  Ljava/lang/Throwable;
            3   10     2    message  Ljava/lang/String;
            6    8     3  candidate  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      ex    

  private boolean isRegistered(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.springframework.boot.SpringBootExceptionHandler this
        start local 1 // java.lang.Throwable ex
         0: .line 104
            aload 0 /* this */
            getfield org.springframework.boot.SpringBootExceptionHandler.loggedExceptions:Ljava/util/List;
            aload 1 /* ex */
            invokeinterface java.util.List.contains:(Ljava/lang/Object;)Z
            ifeq 2
         1: .line 105
            iconst_1
            ireturn
         2: .line 107
      StackMap locals:
      StackMap stack:
            aload 1 /* ex */
            instanceof java.lang.reflect.InvocationTargetException
            ifeq 4
         3: .line 108
            aload 0 /* this */
            aload 1 /* ex */
            invokevirtual java.lang.Throwable.getCause:()Ljava/lang/Throwable;
            invokevirtual org.springframework.boot.SpringBootExceptionHandler.isRegistered:(Ljava/lang/Throwable;)Z
            ireturn
         4: .line 110
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // java.lang.Throwable ex
        end local 0 // org.springframework.boot.SpringBootExceptionHandler this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/springframework/boot/SpringBootExceptionHandler;
            0    5     1    ex  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      ex    

  static org.springframework.boot.SpringBootExceptionHandler forCurrentThread();
    descriptor: ()Lorg/springframework/boot/SpringBootExceptionHandler;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 114
            getstatic org.springframework.boot.SpringBootExceptionHandler.handler:Lorg/springframework/boot/SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal;
            invokevirtual org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal.get:()Ljava/lang/Object;
            checkcast org.springframework.boot.SpringBootExceptionHandler
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "SpringBootExceptionHandler.java"
NestMembers:
  org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal
InnerClasses:
  public abstract UncaughtExceptionHandler = java.lang.Thread$UncaughtExceptionHandler of java.lang.Thread
  private LoggedExceptionHandlerThreadLocal = org.springframework.boot.SpringBootExceptionHandler$LoggedExceptionHandlerThreadLocal of org.springframework.boot.SpringBootExceptionHandler