jdk

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/*
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 * Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "classfile/javaClasses.hpp"
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#include "classfile/systemDictionary.hpp"
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#include "classfile/vmClasses.hpp"
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#include "classfile/vmSymbols.hpp"
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#include "compiler/compileBroker.hpp"
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#include "logging/log.hpp"
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#include "logging/logStream.hpp"
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#include "memory/resourceArea.hpp"
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#include "memory/universe.hpp"
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#include "oops/oop.inline.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/init.hpp"
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#include "runtime/java.hpp"
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#include "runtime/javaCalls.hpp"
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#include "runtime/javaThread.hpp"
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#include "runtime/os.hpp"
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#include "runtime/threadCritical.hpp"
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#include "runtime/atomic.hpp"
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#include "utilities/events.hpp"
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#include "utilities/exceptions.hpp"
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// Limit exception message components to 64K (the same max as Symbols)
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#define MAX_LEN 65535
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// Implementation of ThreadShadow
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void check_ThreadShadow() {
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  const ByteSize offset1 = byte_offset_of(ThreadShadow, _pending_exception);
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  const ByteSize offset2 = Thread::pending_exception_offset();
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  if (offset1 != offset2) fatal("ThreadShadow::_pending_exception is not positioned correctly");
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}
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void ThreadShadow::set_pending_exception(oop exception, const char* file, int line) {
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  assert(exception != nullptr && oopDesc::is_oop(exception), "invalid exception oop");
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  _pending_exception = exception;
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  _exception_file    = file;
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  _exception_line    = line;
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}
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void ThreadShadow::clear_pending_exception() {
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  LogTarget(Debug, exceptions) lt;
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  if (_pending_exception != nullptr && lt.is_enabled()) {
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    ResourceMark rm;
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    LogStream ls(lt);
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    ls.print("Thread::clear_pending_exception: cleared exception:");
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    _pending_exception->print_on(&ls);
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  }
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  _pending_exception = nullptr;
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  _exception_file    = nullptr;
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  _exception_line    = 0;
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}
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void ThreadShadow::clear_pending_nonasync_exception() {
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  // Do not clear probable async exceptions.
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  if ((_pending_exception->klass() != vmClasses::InternalError_klass() ||
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       java_lang_InternalError::during_unsafe_access(_pending_exception) != JNI_TRUE)) {
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    clear_pending_exception();
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  }
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}
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// Implementation of Exceptions
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bool Exceptions::special_exception(JavaThread* thread, const char* file, int line, Handle h_exception, Symbol* h_name, const char* message) {
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  assert(h_exception.is_null() != (h_name == nullptr), "either exception (" PTR_FORMAT ") or "
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         "symbol (" PTR_FORMAT ") must be non-null but not both", p2i(h_exception()), p2i(h_name));
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  // bootstrapping check
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  if (!Universe::is_fully_initialized()) {
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    if (h_exception.not_null()) {
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      vm_exit_during_initialization(h_exception);
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    } else if (h_name == nullptr) {
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      // at least an informative message.
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      vm_exit_during_initialization("Exception", message);
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    } else {
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      vm_exit_during_initialization(h_name, message);
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    }
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   ShouldNotReachHere();
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  }
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#ifdef ASSERT
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  // Check for trying to throw stack overflow before initialization is complete
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  // to prevent infinite recursion trying to initialize stack overflow without
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  // adequate stack space.
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  // This can happen with stress testing a large value of StackShadowPages
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  if (h_exception.not_null() && h_exception()->klass() == vmClasses::StackOverflowError_klass()) {
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    InstanceKlass* ik = InstanceKlass::cast(h_exception->klass());
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    assert(ik->is_initialized(),
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           "need to increase java_thread_min_stack_allowed calculation");
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  }
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#endif // ASSERT
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  if (h_exception.is_null() && !thread->can_call_java()) {
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    ResourceMark rm(thread);
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    const char* exc_value = h_name != nullptr ? h_name->as_C_string() : "null";
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    log_info(exceptions)("Thread cannot call Java so instead of throwing exception <%.*s%s%.*s> (" PTR_FORMAT ") \n"
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                        "at [%s, line %d]\nfor thread " PTR_FORMAT ",\n"
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                        "throwing pre-allocated exception: %s",
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                        MAX_LEN, exc_value, message ? ": " : "",
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                        MAX_LEN, message ? message : "",
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                        p2i(h_exception()), file, line, p2i(thread),
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                        Universe::vm_exception()->print_value_string());
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    // We do not care what kind of exception we get for a thread which
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    // is compiling.  We just install a dummy exception object
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    thread->set_pending_exception(Universe::vm_exception(), file, line);
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    return true;
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  }
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  return false;
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}
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// This method should only be called from generated code,
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// therefore the exception oop should be in the oopmap.
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void Exceptions::_throw_oop(JavaThread* thread, const char* file, int line, oop exception) {
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  assert(exception != nullptr, "exception should not be null");
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  Handle h_exception(thread, exception);
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  _throw(thread, file, line, h_exception);
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}
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void Exceptions::_throw(JavaThread* thread, const char* file, int line, Handle h_exception, const char* message) {
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  ResourceMark rm(thread);
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  assert(h_exception() != nullptr, "exception should not be null");
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  // tracing (do this up front - so it works during boot strapping)
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  // Note, the print_value_string() argument is not called unless logging is enabled!
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  log_info(exceptions)("Exception <%.*s%s%.*s> (" PTR_FORMAT ") \n"
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                       "thrown [%s, line %d]\nfor thread " PTR_FORMAT,
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                       MAX_LEN, h_exception->print_value_string(),
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                       message ? ": " : "",
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                       MAX_LEN, message ? message : "",
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                       p2i(h_exception()), file, line, p2i(thread));
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  // for AbortVMOnException flag
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  Exceptions::debug_check_abort(h_exception, message);
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  // Check for special boot-strapping/compiler-thread handling
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  if (special_exception(thread, file, line, h_exception)) {
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    return;
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  }
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  if (h_exception->is_a(vmClasses::VirtualMachineError_klass())) {
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    // Remove the ScopedValue bindings in case we got a virtual machine
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    // Error while we were trying to manipulate ScopedValue bindings.
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    thread->clear_scopedValueBindings();
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    if (h_exception->is_a(vmClasses::OutOfMemoryError_klass())) {
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      count_out_of_memory_exceptions(h_exception);
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    }
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  }
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  if (h_exception->is_a(vmClasses::LinkageError_klass())) {
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    Atomic::inc(&_linkage_errors, memory_order_relaxed);
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  }
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  assert(h_exception->is_a(vmClasses::Throwable_klass()), "exception is not a subclass of java/lang/Throwable");
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  // set the pending exception
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  thread->set_pending_exception(h_exception(), file, line);
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  // vm log
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  Events::log_exception(thread, h_exception, message, file, line);
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}
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void Exceptions::_throw_msg(JavaThread* thread, const char* file, int line, Symbol* name, const char* message,
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                            Handle h_loader, Handle h_protection_domain) {
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  // Check for special boot-strapping/compiler-thread handling
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  if (special_exception(thread, file, line, Handle(), name, message)) return;
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  // Create and throw exception
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  Handle h_cause(thread, nullptr);
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  Handle h_exception = new_exception(thread, name, message, h_cause, h_loader, h_protection_domain);
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  _throw(thread, file, line, h_exception, message);
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}
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void Exceptions::_throw_msg_cause(JavaThread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause,
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                                  Handle h_loader, Handle h_protection_domain) {
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  // Check for special boot-strapping/compiler-thread handling
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  if (special_exception(thread, file, line, Handle(), name, message)) return;
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  // Create and throw exception and init cause
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  Handle h_exception = new_exception(thread, name, message, h_cause, h_loader, h_protection_domain);
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  _throw(thread, file, line, h_exception, message);
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}
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void Exceptions::_throw_cause(JavaThread* thread, const char* file, int line, Symbol* name, Handle h_cause,
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                              Handle h_loader, Handle h_protection_domain) {
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  // Check for special boot-strapping/compiler-thread handling
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  if (special_exception(thread, file, line, Handle(), name)) return;
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  // Create and throw exception
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  Handle h_exception = new_exception(thread, name, h_cause, h_loader, h_protection_domain);
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  _throw(thread, file, line, h_exception, nullptr);
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}
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void Exceptions::_throw_args(JavaThread* thread, const char* file, int line, Symbol* name, Symbol* signature, JavaCallArguments *args) {
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  // Check for special boot-strapping/compiler-thread handling
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  if (special_exception(thread, file, line, Handle(), name, nullptr)) return;
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  // Create and throw exception
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  Handle h_loader(thread, nullptr);
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  Handle h_prot(thread, nullptr);
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  Handle exception = new_exception(thread, name, signature, args, h_loader, h_prot);
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  _throw(thread, file, line, exception);
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}
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// Methods for default parameters.
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// NOTE: These must be here (and not in the header file) because of include circularities.
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void Exceptions::_throw_msg_cause(JavaThread* thread, const char* file, int line, Symbol* name, const char* message, Handle h_cause) {
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  _throw_msg_cause(thread, file, line, name, message, h_cause, Handle(thread, nullptr), Handle(thread, nullptr));
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}
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void Exceptions::_throw_msg(JavaThread* thread, const char* file, int line, Symbol* name, const char* message) {
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  _throw_msg(thread, file, line, name, message, Handle(thread, nullptr), Handle(thread, nullptr));
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}
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void Exceptions::_throw_cause(JavaThread* thread, const char* file, int line, Symbol* name, Handle h_cause) {
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  _throw_cause(thread, file, line, name, h_cause, Handle(thread, nullptr), Handle(thread, nullptr));
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}
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void Exceptions::throw_stack_overflow_exception(JavaThread* THREAD, const char* file, int line, const methodHandle& method) {
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  Handle exception;
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  if (!THREAD->has_pending_exception()) {
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    InstanceKlass* k = vmClasses::StackOverflowError_klass();
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    oop e = k->allocate_instance(CHECK);
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    exception = Handle(THREAD, e);  // fill_in_stack trace does gc
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    assert(k->is_initialized(), "need to increase java_thread_min_stack_allowed calculation");
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    if (StackTraceInThrowable) {
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      java_lang_Throwable::fill_in_stack_trace(exception, method);
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    }
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    // Increment counter for hs_err file reporting
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    Atomic::inc(&Exceptions::_stack_overflow_errors, memory_order_relaxed);
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  } else {
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    // if prior exception, throw that one instead
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    exception = Handle(THREAD, THREAD->pending_exception());
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  }
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  _throw(THREAD, file, line, exception);
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}
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void Exceptions::fthrow(JavaThread* thread, const char* file, int line, Symbol* h_name, const char* format, ...) {
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  const int max_msg_size = 1024;
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  va_list ap;
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  va_start(ap, format);
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  char msg[max_msg_size];
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  os::vsnprintf(msg, max_msg_size, format, ap);
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  va_end(ap);
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  _throw_msg(thread, file, line, h_name, msg);
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}
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// Creates an exception oop, calls the <init> method with the given signature.
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// and returns a Handle
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Handle Exceptions::new_exception(JavaThread* thread, Symbol* name,
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                                 Symbol* signature, JavaCallArguments *args,
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                                 Handle h_loader, Handle h_protection_domain) {
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  assert(Universe::is_fully_initialized(),
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    "cannot be called during initialization");
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  assert(!thread->has_pending_exception(), "already has exception");
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  Handle h_exception;
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  // Resolve exception klass, and check for pending exception below.
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  Klass* klass = SystemDictionary::resolve_or_fail(name, h_loader, h_protection_domain, true, thread);
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  if (!thread->has_pending_exception()) {
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    assert(klass != nullptr, "klass must exist");
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    h_exception = JavaCalls::construct_new_instance(InstanceKlass::cast(klass),
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                                signature,
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                                args,
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                                thread);
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  }
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  // Check if another exception was thrown in the process, if so rethrow that one
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  if (thread->has_pending_exception()) {
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    h_exception = Handle(thread, thread->pending_exception());
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    thread->clear_pending_exception();
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  }
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  return h_exception;
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}
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// Creates an exception oop, calls the <init> method with the given signature.
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// and returns a Handle
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// Initializes the cause if cause non-null
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Handle Exceptions::new_exception(JavaThread* thread, Symbol* name,
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                                 Symbol* signature, JavaCallArguments *args,
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                                 Handle h_cause,
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                                 Handle h_loader, Handle h_protection_domain) {
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  Handle h_exception = new_exception(thread, name, signature, args, h_loader, h_protection_domain);
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  // Future: object initializer should take a cause argument
311
  if (h_cause.not_null()) {
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    assert(h_cause->is_a(vmClasses::Throwable_klass()),
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        "exception cause is not a subclass of java/lang/Throwable");
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    JavaValue result1(T_OBJECT);
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    JavaCallArguments args1;
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    args1.set_receiver(h_exception);
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    args1.push_oop(h_cause);
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    JavaCalls::call_virtual(&result1, h_exception->klass(),
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                                      vmSymbols::initCause_name(),
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                                      vmSymbols::throwable_throwable_signature(),
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                                      &args1,
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                                      thread);
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  }
324

325
  // Check if another exception was thrown in the process, if so rethrow that one
326
  if (thread->has_pending_exception()) {
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    h_exception = Handle(thread, thread->pending_exception());
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    thread->clear_pending_exception();
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  }
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  return h_exception;
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}
332

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// Convenience method. Calls either the <init>() or <init>(Throwable) method when
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// creating a new exception
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Handle Exceptions::new_exception(JavaThread* thread, Symbol* name,
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                                 Handle h_cause,
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                                 Handle h_loader, Handle h_protection_domain,
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                                 ExceptionMsgToUtf8Mode to_utf8_safe) {
339
  JavaCallArguments args;
340
  Symbol* signature = nullptr;
341
  if (h_cause.is_null()) {
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    signature = vmSymbols::void_method_signature();
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  } else {
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    signature = vmSymbols::throwable_void_signature();
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    args.push_oop(h_cause);
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  }
347
  return new_exception(thread, name, signature, &args, h_loader, h_protection_domain);
348
}
349

350
// Convenience method. Calls either the <init>() or <init>(String) method when
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// creating a new exception
352
Handle Exceptions::new_exception(JavaThread* thread, Symbol* name,
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                                 const char* message, Handle h_cause,
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                                 Handle h_loader, Handle h_protection_domain,
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                                 ExceptionMsgToUtf8Mode to_utf8_safe) {
356
  JavaCallArguments args;
357
  Symbol* signature = nullptr;
358
  if (message == nullptr) {
359
    signature = vmSymbols::void_method_signature();
360
  } else {
361
    // There should be no pending exception. The caller is responsible for not calling
362
    // this with a pending exception.
363
    Handle incoming_exception;
364
    if (thread->has_pending_exception()) {
365
      incoming_exception = Handle(thread, thread->pending_exception());
366
      thread->clear_pending_exception();
367
      ResourceMark rm(thread);
368
      assert(incoming_exception.is_null(), "Pending exception while throwing %s %s", name->as_C_string(), message);
369
    }
370
    Handle msg;
371
    if (to_utf8_safe == safe_to_utf8) {
372
      // Make a java UTF8 string.
373
      msg = java_lang_String::create_from_str(message, thread);
374
    } else {
375
      // Make a java string keeping the encoding scheme of the original string.
376
      msg = java_lang_String::create_from_platform_dependent_str(message, thread);
377
    }
378
    // If we get an exception from the allocation, prefer that to
379
    // the exception we are trying to build, or the pending exception (in product mode)
380
    if (thread->has_pending_exception()) {
381
      Handle exception(thread, thread->pending_exception());
382
      thread->clear_pending_exception();
383
      return exception;
384
    }
385
    if (incoming_exception.not_null()) {
386
      return incoming_exception;
387
    }
388
    args.push_oop(msg);
389
    signature = vmSymbols::string_void_signature();
390
  }
391
  return new_exception(thread, name, signature, &args, h_cause, h_loader, h_protection_domain);
392
}
393

394
// Another convenience method that creates handles for null class loaders and
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// protection domains and null causes.
396
// If the last parameter 'to_utf8_mode' is safe_to_utf8,
397
// it means we can safely ignore the encoding scheme of the message string and
398
// convert it directly to a java UTF8 string. Otherwise, we need to take the
399
// encoding scheme of the string into account. One thing we should do at some
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// point is to push this flag down to class java_lang_String since other
401
// classes may need similar functionalities.
402
Handle Exceptions::new_exception(JavaThread* thread, Symbol* name,
403
                                 const char* message,
404
                                 ExceptionMsgToUtf8Mode to_utf8_safe) {
405

406
  Handle       h_loader(thread, nullptr);
407
  Handle       h_prot(thread, nullptr);
408
  Handle       h_cause(thread, nullptr);
409
  return Exceptions::new_exception(thread, name, message, h_cause, h_loader,
410
                                   h_prot, to_utf8_safe);
411
}
412

413
// invokedynamic uses wrap_dynamic_exception for:
414
//    - bootstrap method resolution
415
//    - post call to MethodHandleNatives::linkCallSite
416
// dynamically computed constant uses wrap_dynamic_exception for:
417
//    - bootstrap method resolution
418
//    - post call to MethodHandleNatives::linkDynamicConstant
419
void Exceptions::wrap_dynamic_exception(bool is_indy, JavaThread* THREAD) {
420
  if (THREAD->has_pending_exception()) {
421
    bool log_indy = log_is_enabled(Debug, methodhandles, indy) && is_indy;
422
    bool log_condy = log_is_enabled(Debug, methodhandles, condy) && !is_indy;
423
    LogStreamHandle(Debug, methodhandles, indy) lsh_indy;
424
    LogStreamHandle(Debug, methodhandles, condy) lsh_condy;
425
    LogStream* ls = nullptr;
426
    if (log_indy) {
427
      ls = &lsh_indy;
428
    } else if (log_condy) {
429
      ls = &lsh_condy;
430
    }
431
    oop exception = THREAD->pending_exception();
432

433
    // See the "Linking Exceptions" section for the invokedynamic instruction
434
    // in JVMS 6.5.
435
    if (exception->is_a(vmClasses::Error_klass())) {
436
      // Pass through an Error, including BootstrapMethodError, any other form
437
      // of linkage error, or say OutOfMemoryError
438
      if (ls != nullptr) {
439
        ResourceMark rm(THREAD);
440
        ls->print_cr("bootstrap method invocation wraps BSME around " PTR_FORMAT, p2i(exception));
441
        exception->print_on(ls);
442
      }
443
      return;
444
    }
445

446
    // Otherwise wrap the exception in a BootstrapMethodError
447
    if (ls != nullptr) {
448
      ResourceMark rm(THREAD);
449
      ls->print_cr("%s throws BSME for " PTR_FORMAT, is_indy ? "invokedynamic" : "dynamic constant", p2i(exception));
450
      exception->print_on(ls);
451
    }
452
    Handle nested_exception(THREAD, exception);
453
    THREAD->clear_pending_exception();
454
    THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception)
455
  }
456
}
457

458
// Exception counting for hs_err file
459
volatile int Exceptions::_stack_overflow_errors = 0;
460
volatile int Exceptions::_linkage_errors = 0;
461
volatile int Exceptions::_out_of_memory_error_java_heap_errors = 0;
462
volatile int Exceptions::_out_of_memory_error_metaspace_errors = 0;
463
volatile int Exceptions::_out_of_memory_error_class_metaspace_errors = 0;
464

465
void Exceptions::count_out_of_memory_exceptions(Handle exception) {
466
  if (Universe::is_out_of_memory_error_metaspace(exception())) {
467
     Atomic::inc(&_out_of_memory_error_metaspace_errors, memory_order_relaxed);
468
  } else if (Universe::is_out_of_memory_error_class_metaspace(exception())) {
469
     Atomic::inc(&_out_of_memory_error_class_metaspace_errors, memory_order_relaxed);
470
  } else {
471
     // everything else reported as java heap OOM
472
     Atomic::inc(&_out_of_memory_error_java_heap_errors, memory_order_relaxed);
473
  }
474
}
475

476
static void print_oom_count(outputStream* st, const char *err, int count) {
477
  if (count > 0) {
478
    st->print_cr("OutOfMemoryError %s=%d", err, count);
479
  }
480
}
481

482
bool Exceptions::has_exception_counts() {
483
  return (_stack_overflow_errors + _out_of_memory_error_java_heap_errors +
484
         _out_of_memory_error_metaspace_errors + _out_of_memory_error_class_metaspace_errors) > 0;
485
}
486

487
void Exceptions::print_exception_counts_on_error(outputStream* st) {
488
  print_oom_count(st, "java_heap_errors", _out_of_memory_error_java_heap_errors);
489
  print_oom_count(st, "metaspace_errors", _out_of_memory_error_metaspace_errors);
490
  print_oom_count(st, "class_metaspace_errors", _out_of_memory_error_class_metaspace_errors);
491
  if (_stack_overflow_errors > 0) {
492
    st->print_cr("StackOverflowErrors=%d", _stack_overflow_errors);
493
  }
494
  if (_linkage_errors > 0) {
495
    st->print_cr("LinkageErrors=%d", _linkage_errors);
496
  }
497
}
498

499
// Implementation of ExceptionMark
500

501
ExceptionMark::ExceptionMark(JavaThread* thread) {
502
  assert(thread == JavaThread::current(), "must be");
503
  _thread  = thread;
504
  check_no_pending_exception();
505
}
506

507
ExceptionMark::ExceptionMark() {
508
  _thread = JavaThread::current();
509
  check_no_pending_exception();
510
}
511

512
inline void ExceptionMark::check_no_pending_exception() {
513
  if (_thread->has_pending_exception()) {
514
    oop exception = _thread->pending_exception();
515
    _thread->clear_pending_exception(); // Needed to avoid infinite recursion
516
    exception->print();
517
    fatal("ExceptionMark constructor expects no pending exceptions");
518
  }
519
}
520

521

522
ExceptionMark::~ExceptionMark() {
523
  if (_thread->has_pending_exception()) {
524
    Handle exception(_thread, _thread->pending_exception());
525
    _thread->clear_pending_exception(); // Needed to avoid infinite recursion
526
    if (is_init_completed()) {
527
      exception->print();
528
      fatal("ExceptionMark destructor expects no pending exceptions");
529
    } else {
530
      vm_exit_during_initialization(exception);
531
    }
532
  }
533
}
534

535
// ----------------------------------------------------------------------------------------
536

537
// caller frees value_string if necessary
538
void Exceptions::debug_check_abort(const char *value_string, const char* message) {
539
  if (AbortVMOnException != nullptr && value_string != nullptr &&
540
      strstr(value_string, AbortVMOnException)) {
541
    if (AbortVMOnExceptionMessage == nullptr || (message != nullptr &&
542
        strstr(message, AbortVMOnExceptionMessage))) {
543
      if (message == nullptr) {
544
        fatal("Saw %s, aborting", value_string);
545
      } else {
546
        fatal("Saw %s: %s, aborting", value_string, message);
547
      }
548
    }
549
  }
550
}
551

552
void Exceptions::debug_check_abort(Handle exception, const char* message) {
553
  if (AbortVMOnException != nullptr) {
554
    debug_check_abort_helper(exception, message);
555
  }
556
}
557

558
void Exceptions::debug_check_abort_helper(Handle exception, const char* message) {
559
  ResourceMark rm;
560
  if (message == nullptr && exception->is_a(vmClasses::Throwable_klass())) {
561
    oop msg = java_lang_Throwable::message(exception());
562
    if (msg != nullptr) {
563
      message = java_lang_String::as_utf8_string(msg);
564
    }
565
  }
566
  debug_check_abort(exception()->klass()->external_name(), message);
567
}
568

569
// for logging exceptions
570
void Exceptions::log_exception(Handle exception, const char* message) {
571
  ResourceMark rm;
572
  const char* detail_message = java_lang_Throwable::message_as_utf8(exception());
573
  if (detail_message != nullptr) {
574
    log_info(exceptions)("Exception <%.*s: %.*s>\n thrown in %.*s",
575
                         MAX_LEN, exception->print_value_string(),
576
                         MAX_LEN, detail_message,
577
                         MAX_LEN, message);
578
  } else {
579
    log_info(exceptions)("Exception <%.*s>\n thrown in %.*s",
580
                         MAX_LEN, exception->print_value_string(),
581
                         MAX_LEN, message);
582
  }
583
}
584