Fix Javacore stacktrace parsing

Fix parsing of Javacore stack traces
Make changes requested in #16077
Remove trailing whitespace
Update Javadoc

Signed-off-by: Andrew Johnson <andrew_johnson@uk.ibm.com>

jcl/src/openj9.dtfj/share/classes/com/ibm/dtfj/javacore/parser/j9/section/thread/IThreadTypes.java

@@ -1,6 +1,6 @@
 /*[INCLUDE-IF Sidecar18-SE]*/
 /*******************************************************************************
- * Copyright (c) 2007, 2017 IBM Corp. and others
+ * Copyright (c) 2007, 2022 IBM Corp. and others
  *
  * This program and the accompanying materials are made available under
  * the terms of the Eclipse Public License 2.0 which accompanies this
@@ -23,58 +23,59 @@
 package com.ibm.dtfj.javacore.parser.j9.section.thread;
 
 public interface IThreadTypes {
-
-
+
 	public static final String THREAD_SECTION = "THREADS";
 	/*
 	 * Thread section tags
 	 */
 	public static final String T_1XMCURTHDINFO = "1XMCURTHDINFO";
 	public static final String T_1XMTHDINFO = "1XMTHDINFO";
 	public static final String T_2XMFULLTHDDUMP = "2XMFULLTHDDUMP";
+	public static final String T_3XMJAVALTHREAD = "3XMJAVALTHREAD";
+	public static final String T_3XMJAVALTHRCCL = "3XMJAVALTHRCCL";
 	public static final String T_3XMTHREADINFO = "3XMTHREADINFO";
 	public static final String T_3XMTHREADINFO1 = "3XMTHREADINFO1";
 	public static final String T_3XMTHREADINFO2 = "3XMTHREADINFO2";
 	public static final String T_3XMTHREADINFO3 = "3XMTHREADINFO3";
+	public static final String T_3XMCPUTIME = "3XMCPUTIME";
+	public static final String T_3XMTHREADBLOCK = "3XMTHREADBLOCK";
+	public static final String T_3XMHEAPALLOC = "3XMHEAPALLOC";
 	public static final String T_4XESTACKTRACE = "4XESTACKTRACE";
 	public static final String T_4XENATIVESTACK = "4XENATIVESTACK";
-	public static final String T_3XMTHREADBLOCK = "3XMTHREADBLOCK";
-	public static final String T_3XMCPUTIME = "3XMCPUTIME";
 
-
 	/*
 	 * Attributes
 	 */
-	
+
 	/*
 	 * VM thread id struct has a pointer to a corresponding abstract thread id
 	 * that represents an OS thread (native thread). The abstract thread id
-	 * then has a pointer to an actual native thread. 
-	 * 
+	 * then has a pointer to an actual native thread.
+	 *
 	 * A VM thread may or may not be associated with a Java thread object (gc VM threads
 	 * have no associated Java thread object).
-	 * 
+	 *
 	 * Hierarchy:
 	 * Java Thread Object (not found in javacore files)
 	 * VM Thread (typically an internal data structure like jniENV or J9JVMThread
 	 * Abstract VM Thread
 	 * Native (OS) Thread
 	 */
-	
+
 	public static final String VM_THREAD_ID = "vm_thread_id";
 	public static final String ABSTRACT_THREAD_ID = "abstract_thread_id";
 	public static final String JAVA_THREAD_OBJ = "java_thread_obj";
 	public static final String NATIVE_THREAD_ID = "native_thread_id";
-	
+
 	/*
 	 * More attributes
 	 */
 	public static final String UNPARSED_ENV_INFORMATION = "unparsed_env";
 	public static final String JAVA_THREAD_NAME = "java_thread_name";
-	
+
 	public static final String JAVA_STATE = "java_thread_state";
 	public static final String VM_THREAD_PRIORITY = "vm_thread_priority";
-	
+
 	public static final String NATIVE_THREAD_PRIORITY = "native_thread_priority";
 	public static final String NATIVE_THREAD_POLICY = "native_thread_policy";
 	public static final String SCOPE = "scope";
@@ -84,7 +85,7 @@ public interface IThreadTypes {
 	public static final String NATIVE_STACK_FROM = "native_stack_from";
 	public static final String NATIVE_STACK_TO = "native_stack_to";
 	public static final String NATIVE_STACK_SIZE = "native_stack_size";
-	
+
 	public static final String FULL_NAME = "full_location_name";
 	public static final String METHOD_NAME = "method_name";
 	public static final String CLASS_FILE_NAME = "class_file_name";
@@ -93,11 +94,11 @@ public interface IThreadTypes {
 	public static final String STACKTRACE_NATIVE_METHOD = "stacktrace_native_method";
 	public static final String STACKTRACE_JAVA_METHOD = "stacktrace_java_method";
 	public static final String COMPILATION_LEVEL = "comp_level";
-	
+
 	public static final String COMPILED = "compiled";
 	public static final String NON_COMPILED = "non_compiled";
 	public static final String UNKNOWN_COMPILATION_LEVEL = "unknown_comp_lvl";
-	
+
 	public static final String STACK_THREAD = "stack_thread";
 	public static final String STACK_MODULE = "stack_module";
 	public static final String STACK_ROUTINE = "stack_routine";
@@ -107,10 +108,13 @@ public interface IThreadTypes {
 	public static final String STACK_ROUTINE_ADDRESS = "stack_routine_address";
 	public static final String STACK_FILE = "stack_file";
 	public static final String STACK_LINE = "stack_line";
-	
+
 	public static final String BLOCKER_OBJECT_FULL_JAVA_NAME = "blocker_object_full_java_name";
 	public static final String BLOCKER_OBJECT_ADDRESS = "blocker_object_address";
-
+
+	public static final String CONTEXT_CLASSLOADER_OBJECT_FULL_JAVA_NAME = "context_classloader_object_full_java_name";
+	public static final String CONTEXT_CLASSLOADER_OBJECT_ADDRESS = "context_classloader_object_address";
+
 	public static final String CPU_TIME_TOTAL = "cpu_time_total";
 	public static final String CPU_TIME_USER = "cpu_time_user";
 	public static final String CPU_TIME_SYSTEM = "cpu_time_system";