Mon, 18 Jun 2012 12:29:21 -0700
7176856: add the JRE name to the error log
Reviewed-by: coleenp, jrose, kvn, twisti
Contributed-by: Krystal Mok <sajia@taobao.com>
1 /*
2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "compiler/compileBroker.hpp"
27 #include "gc_interface/collectedHeap.hpp"
28 #include "prims/whitebox.hpp"
29 #include "runtime/arguments.hpp"
30 #include "runtime/frame.inline.hpp"
31 #include "runtime/init.hpp"
32 #include "runtime/os.hpp"
33 #include "runtime/thread.hpp"
34 #include "runtime/vmThread.hpp"
35 #include "runtime/vm_operations.hpp"
36 #include "utilities/debug.hpp"
37 #include "utilities/decoder.hpp"
38 #include "utilities/defaultStream.hpp"
39 #include "utilities/errorReporter.hpp"
40 #include "utilities/events.hpp"
41 #include "utilities/top.hpp"
42 #include "utilities/vmError.hpp"
44 // List of environment variables that should be reported in error log file.
45 const char *env_list[] = {
46 // All platforms
47 "JAVA_HOME", "JRE_HOME", "JAVA_TOOL_OPTIONS", "_JAVA_OPTIONS", "CLASSPATH",
48 "JAVA_COMPILER", "PATH", "USERNAME",
50 // Env variables that are defined on Solaris/Linux/BSD
51 "LD_LIBRARY_PATH", "LD_PRELOAD", "SHELL", "DISPLAY",
52 "HOSTTYPE", "OSTYPE", "ARCH", "MACHTYPE",
54 // defined on Linux
55 "LD_ASSUME_KERNEL", "_JAVA_SR_SIGNUM",
57 // defined on Darwin
58 "DYLD_LIBRARY_PATH", "DYLD_FALLBACK_LIBRARY_PATH",
59 "DYLD_FRAMEWORK_PATH", "DYLD_FALLBACK_FRAMEWORK_PATH",
60 "DYLD_INSERT_LIBRARIES",
62 // defined on Windows
63 "OS", "PROCESSOR_IDENTIFIER", "_ALT_JAVA_HOME_DIR",
65 (const char *)0
66 };
68 // Fatal error handler for internal errors and crashes.
69 //
70 // The default behavior of fatal error handler is to print a brief message
71 // to standard out (defaultStream::output_fd()), then save detailed information
72 // into an error report file (hs_err_pid<pid>.log) and abort VM. If multiple
73 // threads are having troubles at the same time, only one error is reported.
74 // The thread that is reporting error will abort VM when it is done, all other
75 // threads are blocked forever inside report_and_die().
77 // Constructor for crashes
78 VMError::VMError(Thread* thread, unsigned int sig, address pc, void* siginfo, void* context) {
79 _thread = thread;
80 _id = sig;
81 _pc = pc;
82 _siginfo = siginfo;
83 _context = context;
85 _verbose = false;
86 _current_step = 0;
87 _current_step_info = NULL;
89 _message = NULL;
90 _detail_msg = NULL;
91 _filename = NULL;
92 _lineno = 0;
94 _size = 0;
95 }
97 // Constructor for internal errors
98 VMError::VMError(Thread* thread, const char* filename, int lineno,
99 const char* message, const char * detail_msg)
100 {
101 _thread = thread;
102 _id = internal_error; // Value that's not an OS exception/signal
103 _filename = filename;
104 _lineno = lineno;
105 _message = message;
106 _detail_msg = detail_msg;
108 _verbose = false;
109 _current_step = 0;
110 _current_step_info = NULL;
112 _pc = NULL;
113 _siginfo = NULL;
114 _context = NULL;
116 _size = 0;
117 }
119 // Constructor for OOM errors
120 VMError::VMError(Thread* thread, const char* filename, int lineno, size_t size,
121 const char* message) {
122 _thread = thread;
123 _id = oom_error; // Value that's not an OS exception/signal
124 _filename = filename;
125 _lineno = lineno;
126 _message = message;
127 _detail_msg = NULL;
129 _verbose = false;
130 _current_step = 0;
131 _current_step_info = NULL;
133 _pc = NULL;
134 _siginfo = NULL;
135 _context = NULL;
137 _size = size;
138 }
141 // Constructor for non-fatal errors
142 VMError::VMError(const char* message) {
143 _thread = NULL;
144 _id = internal_error; // Value that's not an OS exception/signal
145 _filename = NULL;
146 _lineno = 0;
147 _message = message;
148 _detail_msg = NULL;
150 _verbose = false;
151 _current_step = 0;
152 _current_step_info = NULL;
154 _pc = NULL;
155 _siginfo = NULL;
156 _context = NULL;
158 _size = 0;
159 }
161 // -XX:OnError=<string>, where <string> can be a list of commands, separated
162 // by ';'. "%p" is replaced by current process id (pid); "%%" is replaced by
163 // a single "%". Some examples:
164 //
165 // -XX:OnError="pmap %p" // show memory map
166 // -XX:OnError="gcore %p; dbx - %p" // dump core and launch debugger
167 // -XX:OnError="cat hs_err_pid%p.log | mail my_email@sun.com"
168 // -XX:OnError="kill -9 %p" // ?#!@#
170 // A simple parser for -XX:OnError, usage:
171 // ptr = OnError;
172 // while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr) != NULL)
173 // ... ...
174 static char* next_OnError_command(char* buf, int buflen, const char** ptr) {
175 if (ptr == NULL || *ptr == NULL) return NULL;
177 const char* cmd = *ptr;
179 // skip leading blanks or ';'
180 while (*cmd == ' ' || *cmd == ';') cmd++;
182 if (*cmd == '\0') return NULL;
184 const char * cmdend = cmd;
185 while (*cmdend != '\0' && *cmdend != ';') cmdend++;
187 Arguments::copy_expand_pid(cmd, cmdend - cmd, buf, buflen);
189 *ptr = (*cmdend == '\0' ? cmdend : cmdend + 1);
190 return buf;
191 }
194 static void print_bug_submit_message(outputStream *out, Thread *thread) {
195 if (out == NULL) return;
196 out->print_raw_cr("# If you would like to submit a bug report, please visit:");
197 out->print_raw ("# ");
198 out->print_raw_cr(Arguments::java_vendor_url_bug());
199 // If the crash is in native code, encourage user to submit a bug to the
200 // provider of that code.
201 if (thread && thread->is_Java_thread() &&
202 !thread->is_hidden_from_external_view()) {
203 JavaThread* jt = (JavaThread*)thread;
204 if (jt->thread_state() == _thread_in_native) {
205 out->print_cr("# The crash happened outside the Java Virtual Machine in native code.\n# See problematic frame for where to report the bug.");
206 }
207 }
208 out->print_raw_cr("#");
209 }
211 bool VMError::coredump_status;
212 char VMError::coredump_message[O_BUFLEN];
214 void VMError::report_coredump_status(const char* message, bool status) {
215 coredump_status = status;
216 strncpy(coredump_message, message, sizeof(coredump_message));
217 coredump_message[sizeof(coredump_message)-1] = 0;
218 }
221 // Return a string to describe the error
222 char* VMError::error_string(char* buf, int buflen) {
223 char signame_buf[64];
224 const char *signame = os::exception_name(_id, signame_buf, sizeof(signame_buf));
226 if (signame) {
227 jio_snprintf(buf, buflen,
228 "%s (0x%x) at pc=" PTR_FORMAT ", pid=%d, tid=" UINTX_FORMAT,
229 signame, _id, _pc,
230 os::current_process_id(), os::current_thread_id());
231 } else if (_filename != NULL && _lineno > 0) {
232 // skip directory names
233 char separator = os::file_separator()[0];
234 const char *p = strrchr(_filename, separator);
235 int n = jio_snprintf(buf, buflen,
236 "Internal Error at %s:%d, pid=%d, tid=" UINTX_FORMAT,
237 p ? p + 1 : _filename, _lineno,
238 os::current_process_id(), os::current_thread_id());
239 if (n >= 0 && n < buflen && _message) {
240 if (_detail_msg) {
241 jio_snprintf(buf + n, buflen - n, "%s%s: %s",
242 os::line_separator(), _message, _detail_msg);
243 } else {
244 jio_snprintf(buf + n, buflen - n, "%sError: %s",
245 os::line_separator(), _message);
246 }
247 }
248 } else {
249 jio_snprintf(buf, buflen,
250 "Internal Error (0x%x), pid=%d, tid=" UINTX_FORMAT,
251 _id, os::current_process_id(), os::current_thread_id());
252 }
254 return buf;
255 }
257 void VMError::print_stack_trace(outputStream* st, JavaThread* jt,
258 char* buf, int buflen, bool verbose) {
259 #ifdef ZERO
260 if (jt->zero_stack()->sp() && jt->top_zero_frame()) {
261 // StackFrameStream uses the frame anchor, which may not have
262 // been set up. This can be done at any time in Zero, however,
263 // so if it hasn't been set up then we just set it up now and
264 // clear it again when we're done.
265 bool has_last_Java_frame = jt->has_last_Java_frame();
266 if (!has_last_Java_frame)
267 jt->set_last_Java_frame();
268 st->print("Java frames:");
270 // If the top frame is a Shark frame and the frame anchor isn't
271 // set up then it's possible that the information in the frame
272 // is garbage: it could be from a previous decache, or it could
273 // simply have never been written. So we print a warning...
274 StackFrameStream sfs(jt);
275 if (!has_last_Java_frame && !sfs.is_done()) {
276 if (sfs.current()->zeroframe()->is_shark_frame()) {
277 st->print(" (TOP FRAME MAY BE JUNK)");
278 }
279 }
280 st->cr();
282 // Print the frames
283 for(int i = 0; !sfs.is_done(); sfs.next(), i++) {
284 sfs.current()->zero_print_on_error(i, st, buf, buflen);
285 st->cr();
286 }
288 // Reset the frame anchor if necessary
289 if (!has_last_Java_frame)
290 jt->reset_last_Java_frame();
291 }
292 #else
293 if (jt->has_last_Java_frame()) {
294 st->print_cr("Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)");
295 for(StackFrameStream sfs(jt); !sfs.is_done(); sfs.next()) {
296 sfs.current()->print_on_error(st, buf, buflen, verbose);
297 st->cr();
298 }
299 }
300 #endif // ZERO
301 }
303 // This is the main function to report a fatal error. Only one thread can
304 // call this function, so we don't need to worry about MT-safety. But it's
305 // possible that the error handler itself may crash or die on an internal
306 // error, for example, when the stack/heap is badly damaged. We must be
307 // able to handle recursive errors that happen inside error handler.
308 //
309 // Error reporting is done in several steps. If a crash or internal error
310 // occurred when reporting an error, the nested signal/exception handler
311 // can skip steps that are already (or partially) done. Error reporting will
312 // continue from the next step. This allows us to retrieve and print
313 // information that may be unsafe to get after a fatal error. If it happens,
314 // you may find nested report_and_die() frames when you look at the stack
315 // in a debugger.
316 //
317 // In general, a hang in error handler is much worse than a crash or internal
318 // error, as it's harder to recover from a hang. Deadlock can happen if we
319 // try to grab a lock that is already owned by current thread, or if the
320 // owner is blocked forever (e.g. in os::infinite_sleep()). If possible, the
321 // error handler and all the functions it called should avoid grabbing any
322 // lock. An important thing to notice is that memory allocation needs a lock.
323 //
324 // We should avoid using large stack allocated buffers. Many errors happen
325 // when stack space is already low. Making things even worse is that there
326 // could be nested report_and_die() calls on stack (see above). Only one
327 // thread can report error, so large buffers are statically allocated in data
328 // segment.
330 void VMError::report(outputStream* st) {
331 # define BEGIN if (_current_step == 0) { _current_step = 1;
332 # define STEP(n, s) } if (_current_step < n) { _current_step = n; _current_step_info = s;
333 # define END }
335 // don't allocate large buffer on stack
336 static char buf[O_BUFLEN];
338 BEGIN
340 STEP(10, "(printing fatal error message)")
342 st->print_cr("#");
343 if (should_report_bug(_id)) {
344 st->print_cr("# A fatal error has been detected by the Java Runtime Environment:");
345 } else {
346 st->print_cr("# There is insufficient memory for the Java "
347 "Runtime Environment to continue.");
348 }
350 STEP(15, "(printing type of error)")
352 switch(_id) {
353 case oom_error:
354 if (_size) {
355 st->print("# Native memory allocation (malloc) failed to allocate ");
356 jio_snprintf(buf, sizeof(buf), SIZE_FORMAT, _size);
357 st->print(buf);
358 st->print(" bytes");
359 if (_message != NULL) {
360 st->print(" for ");
361 st->print(_message);
362 }
363 st->cr();
364 } else {
365 if (_message != NULL)
366 st->print("# ");
367 st->print_cr(_message);
368 }
369 // In error file give some solutions
370 if (_verbose) {
371 st->print_cr("# Possible reasons:");
372 st->print_cr("# The system is out of physical RAM or swap space");
373 st->print_cr("# In 32 bit mode, the process size limit was hit");
374 st->print_cr("# Possible solutions:");
375 st->print_cr("# Reduce memory load on the system");
376 st->print_cr("# Increase physical memory or swap space");
377 st->print_cr("# Check if swap backing store is full");
378 st->print_cr("# Use 64 bit Java on a 64 bit OS");
379 st->print_cr("# Decrease Java heap size (-Xmx/-Xms)");
380 st->print_cr("# Decrease number of Java threads");
381 st->print_cr("# Decrease Java thread stack sizes (-Xss)");
382 st->print_cr("# Set larger code cache with -XX:ReservedCodeCacheSize=");
383 st->print_cr("# This output file may be truncated or incomplete.");
384 } else {
385 return; // that's enough for the screen
386 }
387 break;
388 case internal_error:
389 default:
390 break;
391 }
393 STEP(20, "(printing exception/signal name)")
395 st->print_cr("#");
396 st->print("# ");
397 // Is it an OS exception/signal?
398 if (os::exception_name(_id, buf, sizeof(buf))) {
399 st->print("%s", buf);
400 st->print(" (0x%x)", _id); // signal number
401 st->print(" at pc=" PTR_FORMAT, _pc);
402 } else {
403 if (should_report_bug(_id)) {
404 st->print("Internal Error");
405 } else {
406 st->print("Out of Memory Error");
407 }
408 if (_filename != NULL && _lineno > 0) {
409 #ifdef PRODUCT
410 // In product mode chop off pathname?
411 char separator = os::file_separator()[0];
412 const char *p = strrchr(_filename, separator);
413 const char *file = p ? p+1 : _filename;
414 #else
415 const char *file = _filename;
416 #endif
417 size_t len = strlen(file);
418 size_t buflen = sizeof(buf);
420 strncpy(buf, file, buflen);
421 if (len + 10 < buflen) {
422 sprintf(buf + len, ":%d", _lineno);
423 }
424 st->print(" (%s)", buf);
425 } else {
426 st->print(" (0x%x)", _id);
427 }
428 }
430 STEP(30, "(printing current thread and pid)")
432 // process id, thread id
433 st->print(", pid=%d", os::current_process_id());
434 st->print(", tid=" UINTX_FORMAT, os::current_thread_id());
435 st->cr();
437 STEP(40, "(printing error message)")
439 if (should_report_bug(_id)) { // already printed the message.
440 // error message
441 if (_detail_msg) {
442 st->print_cr("# %s: %s", _message ? _message : "Error", _detail_msg);
443 } else if (_message) {
444 st->print_cr("# Error: %s", _message);
445 }
446 }
448 STEP(50, "(printing Java version string)")
450 // VM version
451 st->print_cr("#");
452 JDK_Version::current().to_string(buf, sizeof(buf));
453 const char* runtime_name = JDK_Version::runtime_name() != NULL ?
454 JDK_Version::runtime_name() : "";
455 st->print_cr("# JRE version: %s (%s)", runtime_name, buf);
456 st->print_cr("# Java VM: %s (%s %s %s %s)",
457 Abstract_VM_Version::vm_name(),
458 Abstract_VM_Version::vm_release(),
459 Abstract_VM_Version::vm_info_string(),
460 Abstract_VM_Version::vm_platform_string(),
461 UseCompressedOops ? "compressed oops" : ""
462 );
464 STEP(60, "(printing problematic frame)")
466 // Print current frame if we have a context (i.e. it's a crash)
467 if (_context) {
468 st->print_cr("# Problematic frame:");
469 st->print("# ");
470 frame fr = os::fetch_frame_from_context(_context);
471 fr.print_on_error(st, buf, sizeof(buf));
472 st->cr();
473 st->print_cr("#");
474 }
475 STEP(63, "(printing core file information)")
476 st->print("# ");
477 if (coredump_status) {
478 st->print("Core dump written. Default location: %s", coredump_message);
479 } else {
480 st->print("Failed to write core dump. %s", coredump_message);
481 }
482 st->print_cr("");
483 st->print_cr("#");
485 STEP(65, "(printing bug submit message)")
487 if (should_report_bug(_id) && _verbose) {
488 print_bug_submit_message(st, _thread);
489 }
491 STEP(70, "(printing thread)" )
493 if (_verbose) {
494 st->cr();
495 st->print_cr("--------------- T H R E A D ---------------");
496 st->cr();
497 }
499 STEP(80, "(printing current thread)" )
501 // current thread
502 if (_verbose) {
503 if (_thread) {
504 st->print("Current thread (" PTR_FORMAT "): ", _thread);
505 _thread->print_on_error(st, buf, sizeof(buf));
506 st->cr();
507 } else {
508 st->print_cr("Current thread is native thread");
509 }
510 st->cr();
511 }
513 STEP(90, "(printing siginfo)" )
515 // signal no, signal code, address that caused the fault
516 if (_verbose && _siginfo) {
517 os::print_siginfo(st, _siginfo);
518 st->cr();
519 }
521 STEP(100, "(printing registers, top of stack, instructions near pc)")
523 // registers, top of stack, instructions near pc
524 if (_verbose && _context) {
525 os::print_context(st, _context);
526 st->cr();
527 }
529 STEP(105, "(printing register info)")
531 // decode register contents if possible
532 if (_verbose && _context && Universe::is_fully_initialized()) {
533 os::print_register_info(st, _context);
534 st->cr();
535 }
537 STEP(110, "(printing stack bounds)" )
539 if (_verbose) {
540 st->print("Stack: ");
542 address stack_top;
543 size_t stack_size;
545 if (_thread) {
546 stack_top = _thread->stack_base();
547 stack_size = _thread->stack_size();
548 } else {
549 stack_top = os::current_stack_base();
550 stack_size = os::current_stack_size();
551 }
553 address stack_bottom = stack_top - stack_size;
554 st->print("[" PTR_FORMAT "," PTR_FORMAT "]", stack_bottom, stack_top);
556 frame fr = _context ? os::fetch_frame_from_context(_context)
557 : os::current_frame();
559 if (fr.sp()) {
560 st->print(", sp=" PTR_FORMAT, fr.sp());
561 size_t free_stack_size = pointer_delta(fr.sp(), stack_bottom, 1024);
562 st->print(", free space=" SIZE_FORMAT "k", free_stack_size);
563 }
565 st->cr();
566 }
568 STEP(120, "(printing native stack)" )
570 if (_verbose) {
571 frame fr = _context ? os::fetch_frame_from_context(_context)
572 : os::current_frame();
574 // see if it's a valid frame
575 if (fr.pc()) {
576 st->print_cr("Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)");
579 int count = 0;
580 while (count++ < StackPrintLimit) {
581 fr.print_on_error(st, buf, sizeof(buf));
582 st->cr();
583 if (os::is_first_C_frame(&fr)) break;
584 fr = os::get_sender_for_C_frame(&fr);
585 }
587 if (count > StackPrintLimit) {
588 st->print_cr("...<more frames>...");
589 }
591 st->cr();
592 }
593 }
595 STEP(130, "(printing Java stack)" )
597 if (_verbose && _thread && _thread->is_Java_thread()) {
598 print_stack_trace(st, (JavaThread*)_thread, buf, sizeof(buf));
599 }
601 STEP(135, "(printing target Java thread stack)" )
603 // printing Java thread stack trace if it is involved in GC crash
604 if (_verbose && _thread && (_thread->is_Named_thread())) {
605 JavaThread* jt = ((NamedThread *)_thread)->processed_thread();
606 if (jt != NULL) {
607 st->print_cr("JavaThread " PTR_FORMAT " (nid = " UINTX_FORMAT ") was being processed", jt, jt->osthread()->thread_id());
608 print_stack_trace(st, jt, buf, sizeof(buf), true);
609 }
610 }
612 STEP(140, "(printing VM operation)" )
614 if (_verbose && _thread && _thread->is_VM_thread()) {
615 VMThread* t = (VMThread*)_thread;
616 VM_Operation* op = t->vm_operation();
617 if (op) {
618 op->print_on_error(st);
619 st->cr();
620 st->cr();
621 }
622 }
624 STEP(150, "(printing current compile task)" )
626 if (_verbose && _thread && _thread->is_Compiler_thread()) {
627 CompilerThread* t = (CompilerThread*)_thread;
628 if (t->task()) {
629 st->cr();
630 st->print_cr("Current CompileTask:");
631 t->task()->print_line_on_error(st, buf, sizeof(buf));
632 st->cr();
633 }
634 }
636 STEP(160, "(printing process)" )
638 if (_verbose) {
639 st->cr();
640 st->print_cr("--------------- P R O C E S S ---------------");
641 st->cr();
642 }
644 STEP(170, "(printing all threads)" )
646 // all threads
647 if (_verbose && _thread) {
648 Threads::print_on_error(st, _thread, buf, sizeof(buf));
649 st->cr();
650 }
652 STEP(175, "(printing VM state)" )
654 if (_verbose) {
655 // Safepoint state
656 st->print("VM state:");
658 if (SafepointSynchronize::is_synchronizing()) st->print("synchronizing");
659 else if (SafepointSynchronize::is_at_safepoint()) st->print("at safepoint");
660 else st->print("not at safepoint");
662 // Also see if error occurred during initialization or shutdown
663 if (!Universe::is_fully_initialized()) {
664 st->print(" (not fully initialized)");
665 } else if (VM_Exit::vm_exited()) {
666 st->print(" (shutting down)");
667 } else {
668 st->print(" (normal execution)");
669 }
670 st->cr();
671 st->cr();
672 }
674 STEP(180, "(printing owned locks on error)" )
676 // mutexes/monitors that currently have an owner
677 if (_verbose) {
678 print_owned_locks_on_error(st);
679 st->cr();
680 }
682 STEP(190, "(printing heap information)" )
684 if (_verbose && Universe::is_fully_initialized()) {
685 // Print heap information before vm abort. As we'd like as much
686 // information as possible in the report we ask for the
687 // extended (i.e., more detailed) version.
688 Universe::print_on(st, true /* extended */);
689 st->cr();
691 Universe::heap()->barrier_set()->print_on(st);
692 st->cr();
694 st->print_cr("Polling page: " INTPTR_FORMAT, os::get_polling_page());
695 st->cr();
696 }
698 STEP(195, "(printing code cache information)" )
700 if (_verbose && Universe::is_fully_initialized()) {
701 // print code cache information before vm abort
702 CodeCache::print_bounds(st);
703 st->cr();
704 }
706 STEP(200, "(printing ring buffers)" )
708 if (_verbose) {
709 Events::print_all(st);
710 st->cr();
711 }
713 STEP(205, "(printing dynamic libraries)" )
715 if (_verbose) {
716 // dynamic libraries, or memory map
717 os::print_dll_info(st);
718 st->cr();
719 }
721 STEP(210, "(printing VM options)" )
723 if (_verbose) {
724 // VM options
725 Arguments::print_on(st);
726 st->cr();
727 }
729 STEP(215, "(printing warning if internal testing API used)" )
731 if (WhiteBox::used()) {
732 st->print_cr("Unsupported internal testing APIs have been used.");
733 st->cr();
734 }
736 STEP(220, "(printing environment variables)" )
738 if (_verbose) {
739 os::print_environment_variables(st, env_list, buf, sizeof(buf));
740 st->cr();
741 }
743 STEP(225, "(printing signal handlers)" )
745 if (_verbose) {
746 os::print_signal_handlers(st, buf, sizeof(buf));
747 st->cr();
748 }
750 STEP(230, "" )
752 if (_verbose) {
753 st->cr();
754 st->print_cr("--------------- S Y S T E M ---------------");
755 st->cr();
756 }
758 STEP(240, "(printing OS information)" )
760 if (_verbose) {
761 os::print_os_info(st);
762 st->cr();
763 }
765 STEP(250, "(printing CPU info)" )
766 if (_verbose) {
767 os::print_cpu_info(st);
768 st->cr();
769 }
771 STEP(260, "(printing memory info)" )
773 if (_verbose) {
774 os::print_memory_info(st);
775 st->cr();
776 }
778 STEP(270, "(printing internal vm info)" )
780 if (_verbose) {
781 st->print_cr("vm_info: %s", Abstract_VM_Version::internal_vm_info_string());
782 st->cr();
783 }
785 STEP(280, "(printing date and time)" )
787 if (_verbose) {
788 os::print_date_and_time(st);
789 st->cr();
790 }
792 END
794 # undef BEGIN
795 # undef STEP
796 # undef END
797 }
799 VMError* volatile VMError::first_error = NULL;
800 volatile jlong VMError::first_error_tid = -1;
802 void VMError::report_and_die() {
803 // Don't allocate large buffer on stack
804 static char buffer[O_BUFLEN];
806 // An error could happen before tty is initialized or after it has been
807 // destroyed. Here we use a very simple unbuffered fdStream for printing.
808 // Only out.print_raw() and out.print_raw_cr() should be used, as other
809 // printing methods need to allocate large buffer on stack. To format a
810 // string, use jio_snprintf() with a static buffer or use staticBufferStream.
811 static fdStream out(defaultStream::output_fd());
813 // How many errors occurred in error handler when reporting first_error.
814 static int recursive_error_count;
816 // We will first print a brief message to standard out (verbose = false),
817 // then save detailed information in log file (verbose = true).
818 static bool out_done = false; // done printing to standard out
819 static bool log_done = false; // done saving error log
820 static bool transmit_report_done = false; // done error reporting
821 static fdStream log; // error log
823 if (SuppressFatalErrorMessage) {
824 os::abort();
825 }
826 jlong mytid = os::current_thread_id();
827 if (first_error == NULL &&
828 Atomic::cmpxchg_ptr(this, &first_error, NULL) == NULL) {
830 // first time
831 first_error_tid = mytid;
832 set_error_reported();
834 if (ShowMessageBoxOnError || PauseAtExit) {
835 show_message_box(buffer, sizeof(buffer));
837 // User has asked JVM to abort. Reset ShowMessageBoxOnError so the
838 // WatcherThread can kill JVM if the error handler hangs.
839 ShowMessageBoxOnError = false;
840 }
842 // Write a minidump on Windows, check core dump limits on Linux/Solaris
843 os::check_or_create_dump(_siginfo, _context, buffer, sizeof(buffer));
845 // reset signal handlers or exception filter; make sure recursive crashes
846 // are handled properly.
847 reset_signal_handlers();
849 } else {
850 // If UseOsErrorReporting we call this for each level of the call stack
851 // while searching for the exception handler. Only the first level needs
852 // to be reported.
853 if (UseOSErrorReporting && log_done) return;
855 // This is not the first error, see if it happened in a different thread
856 // or in the same thread during error reporting.
857 if (first_error_tid != mytid) {
858 jio_snprintf(buffer, sizeof(buffer),
859 "[thread " INT64_FORMAT " also had an error]",
860 mytid);
861 out.print_raw_cr(buffer);
863 // error reporting is not MT-safe, block current thread
864 os::infinite_sleep();
866 } else {
867 if (recursive_error_count++ > 30) {
868 out.print_raw_cr("[Too many errors, abort]");
869 os::die();
870 }
872 jio_snprintf(buffer, sizeof(buffer),
873 "[error occurred during error reporting %s, id 0x%x]",
874 first_error ? first_error->_current_step_info : "",
875 _id);
876 if (log.is_open()) {
877 log.cr();
878 log.print_raw_cr(buffer);
879 log.cr();
880 } else {
881 out.cr();
882 out.print_raw_cr(buffer);
883 out.cr();
884 }
885 }
886 }
888 // print to screen
889 if (!out_done) {
890 first_error->_verbose = false;
892 staticBufferStream sbs(buffer, sizeof(buffer), &out);
893 first_error->report(&sbs);
895 out_done = true;
897 first_error->_current_step = 0; // reset current_step
898 first_error->_current_step_info = ""; // reset current_step string
899 }
901 // print to error log file
902 if (!log_done) {
903 first_error->_verbose = true;
905 // see if log file is already open
906 if (!log.is_open()) {
907 // open log file
908 int fd = -1;
910 if (ErrorFile != NULL) {
911 bool copy_ok =
912 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer));
913 if (copy_ok) {
914 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
915 }
916 }
918 if (fd == -1) {
919 const char *cwd = os::get_current_directory(buffer, sizeof(buffer));
920 size_t len = strlen(cwd);
921 // either user didn't specify, or the user's location failed,
922 // so use the default name in the current directory
923 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log",
924 os::file_separator(), os::current_process_id());
925 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
926 }
928 if (fd == -1) {
929 const char * tmpdir = os::get_temp_directory();
930 // try temp directory if it exists.
931 if (tmpdir != NULL && tmpdir[0] != '\0') {
932 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log",
933 tmpdir, os::file_separator(), os::current_process_id());
934 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
935 }
936 }
938 if (fd != -1) {
939 out.print_raw("# An error report file with more information is saved as:\n# ");
940 out.print_raw_cr(buffer);
941 os::set_error_file(buffer);
943 log.set_fd(fd);
944 } else {
945 out.print_raw_cr("# Can not save log file, dump to screen..");
946 log.set_fd(defaultStream::output_fd());
947 /* Error reporting currently needs dumpfile.
948 * Maybe implement direct streaming in the future.*/
949 transmit_report_done = true;
950 }
951 }
953 staticBufferStream sbs(buffer, O_BUFLEN, &log);
954 first_error->report(&sbs);
955 first_error->_current_step = 0; // reset current_step
956 first_error->_current_step_info = ""; // reset current_step string
958 // Run error reporting to determine whether or not to report the crash.
959 if (!transmit_report_done && should_report_bug(first_error->_id)) {
960 transmit_report_done = true;
961 FILE* hs_err = ::fdopen(log.fd(), "r");
962 if (NULL != hs_err) {
963 ErrorReporter er;
964 er.call(hs_err, buffer, O_BUFLEN);
965 }
966 }
968 if (log.fd() != defaultStream::output_fd()) {
969 close(log.fd());
970 }
972 log.set_fd(-1);
973 log_done = true;
974 }
977 static bool skip_OnError = false;
978 if (!skip_OnError && OnError && OnError[0]) {
979 skip_OnError = true;
981 out.print_raw_cr("#");
982 out.print_raw ("# -XX:OnError=\"");
983 out.print_raw (OnError);
984 out.print_raw_cr("\"");
986 char* cmd;
987 const char* ptr = OnError;
988 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
989 out.print_raw ("# Executing ");
990 #if defined(LINUX) || defined(_ALLBSD_SOURCE)
991 out.print_raw ("/bin/sh -c ");
992 #elif defined(SOLARIS)
993 out.print_raw ("/usr/bin/sh -c ");
994 #endif
995 out.print_raw ("\"");
996 out.print_raw (cmd);
997 out.print_raw_cr("\" ...");
999 os::fork_and_exec(cmd);
1000 }
1002 // done with OnError
1003 OnError = NULL;
1004 }
1006 static bool skip_bug_url = !should_report_bug(first_error->_id);
1007 if (!skip_bug_url) {
1008 skip_bug_url = true;
1010 out.print_raw_cr("#");
1011 print_bug_submit_message(&out, _thread);
1012 }
1014 if (!UseOSErrorReporting) {
1015 // os::abort() will call abort hooks, try it first.
1016 static bool skip_os_abort = false;
1017 if (!skip_os_abort) {
1018 skip_os_abort = true;
1019 bool dump_core = should_report_bug(first_error->_id);
1020 os::abort(dump_core);
1021 }
1023 // if os::abort() doesn't abort, try os::die();
1024 os::die();
1025 }
1026 }
1028 /*
1029 * OnOutOfMemoryError scripts/commands executed while VM is a safepoint - this
1030 * ensures utilities such as jmap can observe the process is a consistent state.
1031 */
1032 class VM_ReportJavaOutOfMemory : public VM_Operation {
1033 private:
1034 VMError *_err;
1035 public:
1036 VM_ReportJavaOutOfMemory(VMError *err) { _err = err; }
1037 VMOp_Type type() const { return VMOp_ReportJavaOutOfMemory; }
1038 void doit();
1039 };
1041 void VM_ReportJavaOutOfMemory::doit() {
1042 // Don't allocate large buffer on stack
1043 static char buffer[O_BUFLEN];
1045 tty->print_cr("#");
1046 tty->print_cr("# java.lang.OutOfMemoryError: %s", _err->message());
1047 tty->print_cr("# -XX:OnOutOfMemoryError=\"%s\"", OnOutOfMemoryError);
1049 // make heap parsability
1050 Universe::heap()->ensure_parsability(false); // no need to retire TLABs
1052 char* cmd;
1053 const char* ptr = OnOutOfMemoryError;
1054 while ((cmd = next_OnError_command(buffer, sizeof(buffer), &ptr)) != NULL){
1055 tty->print("# Executing ");
1056 #if defined(LINUX)
1057 tty->print ("/bin/sh -c ");
1058 #elif defined(SOLARIS)
1059 tty->print ("/usr/bin/sh -c ");
1060 #endif
1061 tty->print_cr("\"%s\"...", cmd);
1063 os::fork_and_exec(cmd);
1064 }
1065 }
1067 void VMError::report_java_out_of_memory() {
1068 if (OnOutOfMemoryError && OnOutOfMemoryError[0]) {
1069 MutexLocker ml(Heap_lock);
1070 VM_ReportJavaOutOfMemory op(this);
1071 VMThread::execute(&op);
1072 }
1073 }