https://tomcat.apache.org/: Tomcat Servlet Engine Core Classes and Standard implementations 
class org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread
  super_class: java.lang.Object
{
  private final java.lang.Thread thread;
    descriptor: Ljava/lang/Thread;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.lang.String requestUri;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final long start;
    descriptor: J
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.concurrent.atomic.AtomicInteger state;
    descriptor: Ljava/util/concurrent/atomic/AtomicInteger;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final java.util.concurrent.Semaphore interruptionSemaphore;
    descriptor: Ljava/util/concurrent/Semaphore;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private boolean interrupted;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.lang.Thread, java.lang.String, boolean);
    descriptor: (Ljava/lang/Thread;Ljava/lang/String;Z)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
        start local 1 // java.lang.Thread thread
        start local 2 // java.lang.String requestUri
        start local 3 // boolean interruptible
         0: .line 303
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 290
            aload 0 /* this */
            new java.util.concurrent.atomic.AtomicInteger
            dup
         2: .line 291
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.RUNNING:Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.ordinal:()I
         3: .line 290
            invokespecial java.util.concurrent.atomic.AtomicInteger.<init>:(I)V
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.state:Ljava/util/concurrent/atomic/AtomicInteger;
         4: .line 305
            aload 0 /* this */
            aload 1 /* thread */
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.thread:Ljava/lang/Thread;
         5: .line 306
            aload 0 /* this */
            aload 2 /* requestUri */
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.requestUri:Ljava/lang/String;
         6: .line 307
            aload 0 /* this */
            invokestatic java.lang.System.currentTimeMillis:()J
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.start:J
         7: .line 308
            iload 3 /* interruptible */
            ifeq 10
         8: .line 309
            aload 0 /* this */
            new java.util.concurrent.Semaphore
            dup
            iconst_1
            invokespecial java.util.concurrent.Semaphore.<init>:(I)V
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
         9: .line 310
            goto 11
        10: .line 311
      StackMap locals: org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread java.lang.Thread java.lang.String int
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
        11: .line 313
      StackMap locals:
      StackMap stack:
            return
        end local 3 // boolean interruptible
        end local 2 // java.lang.String requestUri
        end local 1 // java.lang.Thread thread
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   12     0           this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;
            0   12     1         thread  Ljava/lang/Thread;
            0   12     2     requestUri  Ljava/lang/String;
            0   12     3  interruptible  Z
    MethodParameters:
               Name  Flags
      thread         
      requestUri     
      interruptible  

  public java.lang.Thread getThread();
    descriptor: ()Ljava/lang/Thread;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 316
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.thread:Ljava/lang/Thread;
            areturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;

  public java.lang.String getRequestUri();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 320
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.requestUri:Ljava/lang/String;
            areturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;

  public long getActiveTimeInMillis();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 324
            invokestatic java.lang.System.currentTimeMillis:()J
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.start:J
            lsub
            lreturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;

  public java.util.Date getStartTime();
    descriptor: ()Ljava/util/Date;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 328
            new java.util.Date
            dup
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.start:J
            invokespecial java.util.Date.<init>:(J)V
            areturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;

  public boolean markAsStuckIfStillRunning();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 332
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.state:Ljava/util/concurrent/atomic/AtomicInteger;
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.RUNNING:Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.ordinal:()I
         1: .line 333
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.STUCK:Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.ordinal:()I
         2: .line 332
            invokevirtual java.util.concurrent.atomic.AtomicInteger.compareAndSet:(II)Z
            ireturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;

  public org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState markAsDone();
    descriptor: ()Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=4, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 337
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.state:Ljava/util/concurrent/atomic/AtomicInteger;
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.DONE:Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.ordinal:()I
            invokevirtual java.util.concurrent.atomic.AtomicInteger.getAndSet:(I)I
            istore 1 /* val */
        start local 1 // int val
         1: .line 338
            invokestatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.values:()[Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            iload 1 /* val */
            aaload
            astore 2 /* threadState */
        start local 2 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState threadState
         2: .line 340
            aload 2 /* threadState */
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.STUCK:Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            if_acmpne 11
         3: .line 341
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
            ifnull 11
         4: .line 347
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.acquire:()V
         5: .line 348
            goto 11
      StackMap locals: org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread int org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState
      StackMap stack: java.lang.InterruptedException
         6: astore 3 /* e */
        start local 3 // java.lang.InterruptedException e
         7: .line 349
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve.log:Lorg/apache/juli/logging/Log;
         8: .line 350
            ldc "thread interrupted after the request is finished, ignoring"
         9: .line 351
            aload 3 /* e */
        10: .line 349
            invokeinterface org.apache.juli.logging.Log.debug:(Ljava/lang/Object;Ljava/lang/Throwable;)V
        end local 3 // java.lang.InterruptedException e
        11: .line 357
      StackMap locals:
      StackMap stack:
            aload 2 /* threadState */
            areturn
        end local 2 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState threadState
        end local 1 // int val
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   12     0         this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;
            1   12     1          val  I
            2   12     2  threadState  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            7   11     3            e  Ljava/lang/InterruptedException;
      Exception table:
        from    to  target  type
           4     5       6  Class java.lang.InterruptedException

  boolean isMarkedAsStuck();
    descriptor: ()Z
    flags: (0x0000) 
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 361
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.state:Ljava/util/concurrent/atomic/AtomicInteger;
            invokevirtual java.util.concurrent.atomic.AtomicInteger.get:()I
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.STUCK:Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThreadState;
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState.ordinal:()I
            if_icmpne 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;

  public boolean interruptIfStuck(long);
    descriptor: (J)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=6, args_size=2
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
        start local 1 // long interruptThreadThreshold
         0: .line 365
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.isMarkedAsStuck:()Z
            ifeq 2
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
            ifnull 2
         1: .line 366
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.tryAcquire:()Z
            ifne 3
         2: .line 369
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         3: .line 372
      StackMap locals:
      StackMap stack:
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve.log:Lorg/apache/juli/logging/Log;
            invokeinterface org.apache.juli.logging.Log.isWarnEnabled:()Z
            ifeq 15
         4: .line 373
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve.sm:Lorg/apache/tomcat/util/res/StringManager;
         5: .line 374
            ldc "stuckThreadDetectionValve.notifyStuckThreadInterrupted"
            bipush 6
            anewarray java.lang.Object
            dup
            iconst_0
         6: .line 375
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.getThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.getName:()Ljava/lang/String;
            aastore
            dup
            iconst_1
         7: .line 376
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.getActiveTimeInMillis:()J
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aastore
            dup
            iconst_2
         8: .line 377
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.getStartTime:()Ljava/util/Date;
            aastore
            dup
            iconst_3
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.getRequestUri:()Ljava/lang/String;
            aastore
            dup
            iconst_4
         9: .line 378
            lload 1 /* interruptThreadThreshold */
            invokestatic java.lang.Long.valueOf:(J)Ljava/lang/Long;
            aastore
            dup
            iconst_5
        10: .line 379
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.getThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.getId:()J
            invokestatic java.lang.String.valueOf:(J)Ljava/lang/String;
            aastore
        11: .line 373
            invokevirtual org.apache.tomcat.util.res.StringManager.getString:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            astore 3 /* msg */
        start local 3 // java.lang.String msg
        12: .line 380
            new java.lang.Throwable
            dup
            invokespecial java.lang.Throwable.<init>:()V
            astore 4 /* th */
        start local 4 // java.lang.Throwable th
        13: .line 381
            aload 4 /* th */
            aload 0 /* this */
            invokevirtual org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.getThread:()Ljava/lang/Thread;
            invokevirtual java.lang.Thread.getStackTrace:()[Ljava/lang/StackTraceElement;
            invokevirtual java.lang.Throwable.setStackTrace:([Ljava/lang/StackTraceElement;)V
        14: .line 382
            getstatic org.apache.catalina.valves.StuckThreadDetectionValve.log:Lorg/apache/juli/logging/Log;
            aload 3 /* msg */
            aload 4 /* th */
            invokeinterface org.apache.juli.logging.Log.warn:(Ljava/lang/Object;Ljava/lang/Throwable;)V
        end local 4 // java.lang.Throwable th
        end local 3 // java.lang.String msg
        15: .line 384
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.thread:Ljava/lang/Thread;
            invokevirtual java.lang.Thread.interrupt:()V
        16: .line 385
            goto 21
      StackMap locals:
      StackMap stack: java.lang.Throwable
        17: astore 5
        18: .line 386
            aload 0 /* this */
            iconst_1
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interrupted:Z
        19: .line 387
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.release:()V
        20: .line 388
            aload 5
            athrow
        21: .line 386
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            iconst_1
            putfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interrupted:Z
        22: .line 387
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interruptionSemaphore:Ljava/util/concurrent/Semaphore;
            invokevirtual java.util.concurrent.Semaphore.release:()V
        23: .line 389
            iconst_1
            ireturn
        end local 1 // long interruptThreadThreshold
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot                      Name  Signature
            0   24     0                      this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;
            0   24     1  interruptThreadThreshold  J
           12   15     3                       msg  Ljava/lang/String;
           13   15     4                        th  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           3    17      17  any
    MethodParameters:
                          Name  Flags
      interruptThreadThreshold  

  public boolean wasInterrupted();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
         0: .line 393
            aload 0 /* this */
            getfield org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread.interrupted:Z
            ireturn
        end local 0 // org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/catalina/valves/StuckThreadDetectionValve$MonitoredThread;
}
SourceFile: "StuckThreadDetectionValve.java"
NestHost: org.apache.catalina.valves.StuckThreadDetectionValve
InnerClasses:
  private MonitoredThread = org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThread of org.apache.catalina.valves.StuckThreadDetectionValve
  private final MonitoredThreadState = org.apache.catalina.valves.StuckThreadDetectionValve$MonitoredThreadState of org.apache.catalina.valves.StuckThreadDetectionValve