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JVM外部的Java崩潰 - 適用於Windows而不適用於Linux

[英]Java crash outside JVM - works on Windows not on Linux

 原文  2009-06-01 20:56:41  2   6    java/ windows/ linux/ jvm/ crash

問題描述

我在Linux上使用OpenNLP和我的英文NameFinder（CentOS 5.3，Java 1.6.0_13）一直給我這個錯誤： 

An unexpected error has been detected by Java Runtime Environment:

SIGSEGV (0xb) at pc=0x0657e436, pid=3484, tid=2291964816

Java VM: Java HotSpot(TM) Server VM (11.3-b02 mixed mode linux-x86)
Problematic frame:
V  [libjvm.so+0x57e436]

An error report file with more information is saved as:
/home/continuum/workspace/entity-extraction-data-service/hs_err_pid3484.log

If you would like to submit a bug report, please visit:
  http://java.sun.com/webapps/bugreport/crash.jsp
The crash happened outside the Java Virtual Machine in native code.
See problematic frame for where to report the bug.

但是，在Windows上它工作正常。 我想也許一個字符編碼問題可能是我的問題，但是我想看看是否有其他人對此有任何想法或者之前遇到過它。 謝謝。

更新：其他Java應用程序運行正常。

6 個解決方案

解決方案1
 1  2009-06-01 21:13:54

由於報告了一個類似的錯誤來自libgcj7-jar （使用GCJ，Gnu Compiler for Java）的問題 ，可能正在更新此包會有所幫助。 或者用sun jvm執行它。 

[..]
[Loaded java.lang.Class from /usr/share/java/libgcj-4.1.jar]

該錯誤獨立於任何文件並且可重復地發生（刪除libgcj7-jar使錯誤消失並重新安裝使錯誤重新出現）。

解決方案2
 0  2009-06-18 15:08:15

最終的判決是Cent上的Java安裝已損壞。 在其他Cent服務器和Fedora服務器上進行測試很好。

解決方案3
 0  2010-02-17 16:24:45

這里有點神秘，但我收到了完全相同的錯誤。 相同的JVM版本，它試圖編譯的代碼行（瘋狂'巧合'呃？）。 不同的發行版但仍然是linux。

它似乎是1.6.0_17中包含的HotSpot編譯器中的一個錯誤。

好消息是更新18聲稱要解決問題（還沒有推出）：

http://java.sun.com/javase/6/webnotes/6u18.html

記錄的錯誤是“編譯涉及CharSequence循環的方法時的SIGSEGV”：

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6855164

有趣的是，這正是OpenNLP的做法，剪切和粘貼： 

private static final int previousSpaceIndex(CharSequence sb, int seek) {
  seek--;
  while (seek > 0) {
    if (sb.charAt(seek) == ' ') {
      while (seek > 0 && sb.charAt(seek - 1) == ' ')
        seek--;
      return seek;
    }
    seek--;
  }
  return 0;
}

解決方案4
 0  2009-06-01 21:15:35

這看起來是Cent OS和Java 1.6的問題（我們也使用Sun JVM）。 以下測試已經完成並且全部通過，Cent與1.6是唯一的失敗：

  • 使用Java 1.5的Fedora Core 5.0並使用1.5作為編譯目標。
  • Fedora Core 5.0與Java 1.6.0_14
  • Cent OS 5.3使用Java 1.5.0_10

日志文件：-------------- THREAD --------------- 

Current thread (0x09059800):  JavaThread "CompilerThread1" daemon [_thread_in_native, id=3497, stack(0x88949000,0x889ca000)]

siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x00000000

Registers:
EAX=0x00000000, EBX=0x093134f8, ECX=0x09284b3c, EDX=0x09135c4c
ESP=0x889c6f20, EBP=0x889c6f88, ESI=0x000002c9, EDI=0x09135c4c
EIP=0x0657e436, CR2=0x00000000, EFLAGS=0x00210202

Top of Stack: (sp=0x889c6f20)
0x889c6f20:   00000000 092eae50 09284c44 064f7e96
0x889c6f30:   092eaed8 000004ea 092eaf28 092eaf28
0x889c6f40:   00000002 092eaf28 889c85b4 00000001
0x889c6f50:   092eae50 092eaed8 889c6fb8 06533423
0x889c6f60:   092eaed8 09135c4c 00000001 0915de10
0x889c6f70:   09283938 000004eb 889c73a0 091e3f90
0x889c6f80:   889c7390 00000004 889c7058 0657fc72
0x889c6f90:   889c7390 09284b3c 091e21b0 09283968

Instructions: (pc=0x0657e436)
0x0657e426:   00 00 8b 43 08 8b 04 b0 89 c3 83 e3 fe 8b 43 04
0x0657e436:   8b 00 85 c0 0f 84 6d 06 00 00 8b 55 f0 8d 7b 01

Stack: [0x88949000,0x889ca000],  sp=0x889c6f20,  free space=503k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x57e436]
V  [libjvm.so+0x57fc72]
V  [libjvm.so+0x4b4739]
V  [libjvm.so+0x4b5664]
V  [libjvm.so+0x4ae25f]
V  [libjvm.so+0x2aafaa]
V  [libjvm.so+0x2a8493]
V  [libjvm.so+0x2503a9]
V  [libjvm.so+0x2afa0a]
V  [libjvm.so+0x2af416]
V  [libjvm.so+0x5cde5d]
V  [libjvm.so+0x506929]
C  [libpthread.so.0+0x549b]


Current CompileTask:
C2: 90      opennlp.tools.sentdetect.DefaultSDContextGenerator.previousSpaceIndex(Ljava/lang/CharSequence;I)I (53 bytes)


Java Threads: ( => current thread )
  0x88801000 JavaThread "Low Memory Detector" daemon [_thread_blocked, id=3498, stack(0x887af000,0x88800000)]
=>0x09059800 JavaThread "CompilerThread1" daemon [_thread_in_native, id=3497, stack(0x88949000,0x889ca000)]
  0x09057400 JavaThread "CompilerThread0" daemon [_thread_in_native, id=3496, stack(0x889ca000,0x88a4b000)]
  0x09055c00 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=3495, stack(0x88a4b000,0x88a9c000)]
  0x09045800 JavaThread "Finalizer" daemon [_thread_blocked, id=3494, stack(0x88c9c000,0x88ced000)]
  0x09041000 JavaThread "Reference Handler" daemon [_thread_blocked, id=3493, stack(0x88ced000,0x88d3e000)]
  0x08f99800 JavaThread "main" [_thread_in_Java, id=3487, stack(0xb7f5b000,0xb7fac000)]

Other Threads:
  0x0903d800 VMThread [stack: 0x88d3e000,0x88dbf000] [id=3492]
  0x88802c00 WatcherThread [stack: 0x8872e000,0x887af000] [id=3499]

VM state:not at safepoint (normal execution)

VM Mutex/Monitor currently owned by a thread: None

Heap
 PSYoungGen      total 61568K, used 26339K [0xb07b0000, 0xb4d90000, 0xb4e20000)
  eden space 52288K, 49% used [0xb07b0000,0xb2110058,0xb3ac0000)
  from space 9280K, 3% used [0xb3ac0000,0xb3b18e30,0xb43d0000)
  to   space 8832K, 0% used [0xb44f0000,0xb44f0000,0xb4d90000)
 PSOldGen        total 36096K, used 23539K [0x8d420000, 0x8f760000, 0xb07b0000)
  object space 36096K, 65% used [0x8d420000,0x8eb1cce8,0x8f760000)
 PSPermGen       total 26880K, used 26786K [0x89420000, 0x8ae60000, 0x8d420000)
  object space 26880K, 99% used [0x89420000,0x8ae489b8,0x8ae60000)

Dynamic libraries:
00ace000-00ae8000 r-xp 00000000 fd:00 8028192    /lib/ld-2.5.so
00ae8000-00ae9000 r-xp 00019000 fd:00 8028192    /lib/ld-2.5.so
00ae9000-00aea000 rwxp 0001a000 fd:00 8028192    /lib/ld-2.5.so
00af1000-00c2f000 r-xp 00000000 fd:00 8028193    /lib/libc-2.5.so
00c2f000-00c31000 r-xp 0013e000 fd:00 8028193    /lib/libc-2.5.so
00c31000-00c32000 rwxp 00140000 fd:00 8028193    /lib/libc-2.5.so
00c32000-00c35000 rwxp 00c32000 00:00 0
00c37000-00c39000 r-xp 00000000 fd:00 8028200    /lib/libdl-2.5.so
00c39000-00c3a000 r-xp 00001000 fd:00 8028200    /lib/libdl-2.5.so
00c3a000-00c3b000 rwxp 00002000 fd:00 8028200    /lib/libdl-2.5.so
00c3d000-00c62000 r-xp 00000000 fd:00 8028197    /lib/libm-2.5.so
00c62000-00c63000 r-xp 00024000 fd:00 8028197    /lib/libm-2.5.so
00c63000-00c64000 rwxp 00025000 fd:00 8028197    /lib/libm-2.5.so
00c66000-00c79000 r-xp 00000000 fd:00 8028195    /lib/libpthread-2.5.so
00c79000-00c7a000 r-xp 00012000 fd:00 8028195    /lib/libpthread-2.5.so
00c7a000-00c7b000 rwxp 00013000 fd:00 8028195    /lib/libpthread-2.5.so
00c7b000-00c7d000 rwxp 00c7b000 00:00 0
00ce1000-00ce8000 r-xp 00000000 fd:00 8028196    /lib/librt-2.5.so
00ce8000-00ce9000 r-xp 00006000 fd:00 8028196    /lib/librt-2.5.so
00ce9000-00cea000 rwxp 00007000 fd:00 8028196    /lib/librt-2.5.so
00d01000-00d14000 r-xp 00000000 fd:00 8028198    /lib/libnsl-2.5.so
00d14000-00d15000 r-xp 00012000 fd:00 8028198    /lib/libnsl-2.5.so
00d15000-00d16000 rwxp 00013000 fd:00 8028198    /lib/libnsl-2.5.so
00d16000-00d18000 rwxp 00d16000 00:00 0
06000000-06676000 r-xp 00000000 fd:00 4325406    /opt/jdk1.6.0_13/jre/lib/i386/server/libjvm.so
06676000-066bb000 rwxp 00675000 fd:00 4325406    /opt/jdk1.6.0_13/jre/lib/i386/server/libjvm.so
066bb000-06add000 rwxp 066bb000 00:00 0
08048000-08052000 r-xp 00000000 fd:00 4325380    /opt/jdk1.6.0_13/jre/bin/java
08052000-08053000 rwxp 00009000 fd:00 4325380    /opt/jdk1.6.0_13/jre/bin/java
08f94000-093a6000 rwxp 08f94000 00:00 0          [heap]
88200000-88362000 rwxp 88200000 00:00 0
88362000-88400000 --xp 88362000 00:00 0
88400000-88600000 rwxp 88400000 00:00 0
88600000-886ff000 rwxp 88600000 00:00 0
886ff000-88700000 --xp 886ff000 00:00 0
8872e000-8872f000 --xp 8872e000 00:00 0
8872f000-887af000 rwxp 8872f000 00:00 0
887af000-887b2000 --xp 887af000 00:00 0
887b2000-888f9000 rwxp 887b2000 00:00 0
888f9000-88900000 --xp 888f9000 00:00 0
8891d000-8891f000 r-xs 00008000 03:41 13124498   /mnt/IDE500GB/.m2/repository/classworlds/classworlds/1.1-alpha-2/classworlds-1.1-alpha-2.jar
8891f000-88922000 r-xs 0001b000 03:41 13123633   /mnt/IDE500GB/.m2/repository/junit/junit/3.8.1/junit-3.8.1.jar
88922000-88929000 r-xs 00029000 03:41 13140905   /mnt/IDE500GB/.m2/repository/org/codehaus/plexus/plexus-container-default/1.0-alpha-8/plexus-container-default-1.0-alpha-8.jar
88929000-8892c000 r-xs 00020000 03:41 13140959   /mnt/IDE500GB/.m2/repository/org/codehaus/plexus/plexus-archiver/1.0-alpha-7/plexus-archiver-1.0-alpha-7.jar
8892c000-88930000 r-xs 0002f000 03:41 13123831   /mnt/IDE500GB/.m2/repository/commons-lang/commons-lang/2.1/commons-lang-2.1.jar
88930000-88932000 r-xs 0000b000 03:41 13140291   /mnt/IDE500GB/.m2/repository/org/apache/maven/surefire/surefire-api/2.3/surefire-api-2.3.jar
88932000-88936000 r-xs 0002f000 03:41 13123831   /mnt/IDE500GB/.m2/repository/commons-lang/commons-lang/2.1/commons-lang-2.1.jar
88936000-8893c000 r-xs 0004c000 03:41 13124627   /mnt/IDE500GB/.m2/repository/opennlp-tools/opennlp-tools/1.4.3/opennlp-tools-1.4.3.jar
8893c000-88944000 r-xs 00051000 03:41 13124641   /mnt/IDE500GB/.m2/repository/trove/trove/1.0/trove-1.0.jar
88944000-88949000 r-xs 00025000 03:41 13124642   /mnt/IDE500GB/.m2/repository/jwnl/jwnl/1.3.3/jwnl-1.3.3.jar
88949000-8894c000 --xp 88949000 00:00 0
8894c000-889ca000 rwxp 8894c000 00:00 0
889ca000-889cd000 --xp 889ca000 00:00 0
889cd000-88a4b000 rwxp 889cd000 00:00 0
88a4b000-88a4e000 --xp 88a4b000 00:00 0
88a4e000-88a9c000 rwxp 88a4e000 00:00 0
88a9c000-88c9c000 r-xp 00000000 fd:00 3807014    /usr/lib/locale/locale-archive
88c9c000-88c9f000 --xp 88c9c000 00:00 0
88c9f000-88ced000 rwxp 88c9f000 00:00 0
88ced000-88cf0000 --xp 88ced000 00:00 0
88cf0000-88d3e000 rwxp 88cf0000 00:00 0
88d3e000-88d3f000 --xp 88d3e000 00:00 0
88d3f000-88df2000 rwxp 88d3f000 00:00 0
88df2000-88f84000 r-xs 02f34000 fd:00 4325511    /opt/jdk1.6.0_13/jre/lib/rt.jar
88f84000-88f85000 --xp 88f84000 00:00 0
88f85000-89005000 rwxp 88f85000 00:00 0
89005000-89006000 --xp 89005000 00:00 0
89006000-89086000 rwxp 89006000 00:00 0
89086000-89087000 --xp 89086000 00:00 0
89087000-89107000 rwxp 89087000 00:00 0
89107000-89108000 --xp 89107000 00:00 0
89108000-89196000 rwxp 89108000 00:00 0
89196000-891a8000 rwxp 89196000 00:00 0
891a8000-891ba000 rwxp 891a8000 00:00 0
891ba000-892c2000 rwxp 891ba000 00:00 0
892c2000-892d0000 rwxp 892c2000 00:00 0
892d0000-892e2000 rwxp 892d0000 00:00 0
892e2000-892f4000 rwxp 892e2000 00:00 0
892f4000-893fb000 rwxp 892f4000 00:00 0
893fb000-8941f000 rwxp 893fb000 00:00 0
8941f000-8ae60000 rwxp 8941f000 00:00 0
8ae60000-8d420000 rwxp 8ae60000 00:00 0
8d420000-8f760000 rwxp 8d420000 00:00 0
8f760000-b07b0000 rwxp 8f760000 00:00 0
b07b0000-b4d90000 rwxp b07b0000 00:00 0
b4d90000-b4e20000 rwxp b4d90000 00:00 0
b4e20000-b4e23000 r-xs 00027000 03:41 13141073   /mnt/IDE500GB/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
b4e23000-b4e26000 r-xs 0001b000 03:41 13123633   /mnt/IDE500GB/.m2/repository/junit/junit/3.8.1/junit-3.8.1.jar
b4e26000-b4e2d000 r-xs 00051000 03:41 13123679   /mnt/IDE500GB/.m2/repository/log4j/log4j/1.2.12/log4j-1.2.12.jar
b4e2d000-b4e36000 rwxp b4e2d000 00:00 0
b4e36000-b4eed000 rwxp b4e36000 00:00 0
b4eed000-b512d000 rwxp b4eed000 00:00 0
b512d000-b7eed000 rwxp b512d000 00:00 0
b7eed000-b7efc000 r-xp 00000000 fd:00 4325422    /opt/jdk1.6.0_13/jre/lib/i386/libzip.so
b7efc000-b7efe000 rwxp 0000e000 fd:00 4325422    /opt/jdk1.6.0_13/jre/lib/i386/libzip.so
b7efe000-b7f21000 r-xp 00000000 fd:00 4325418    /opt/jdk1.6.0_13/jre/lib/i386/libjava.so
b7f21000-b7f23000 rwxp 00023000 fd:00 4325418    /opt/jdk1.6.0_13/jre/lib/i386/libjava.so
b7f23000-b7f2e000 r-xp 00000000 fd:00 4325417    /opt/jdk1.6.0_13/jre/lib/i386/libverify.so
b7f2e000-b7f2f000 rwxp 0000b000 fd:00 4325417    /opt/jdk1.6.0_13/jre/lib/i386/libverify.so
b7f2f000-b7f37000 rwxs 00000000 fd:00 3768337    /tmp/hsperfdata_continuum/3484
b7f37000-b7f3c000 r-xp 00000000 fd:00 3833971    /lib/libnss_winbind.so.2
b7f3c000-b7f3d000 rwxp 00004000 fd:00 3833971    /lib/libnss_winbind.so.2
b7f3d000-b7f42000 rwxp b7f3d000 00:00 0
b7f42000-b7f4b000 r-xp 00000000 fd:00 3833884    /lib/libnss_files-2.5.so
b7f4b000-b7f4c000 r-xp 00008000 fd:00 3833884    /lib/libnss_files-2.5.so
b7f4c000-b7f4d000 rwxp 00009000 fd:00 3833884    /lib/libnss_files-2.5.so
b7f4d000-b7f4f000 r-xs 0000e000 03:41 13124640   /mnt/IDE500GB/.m2/repository/maxent/maxent/2.5.2/maxent-2.5.2.jar
b7f4f000-b7f51000 r-xs 0000d000 03:41 13124599   /mnt/IDE500GB/.m2/repository/commons-logging/commons-logging/1.1.1/commons-logging-1.1.1.jar
b7f51000-b7f54000 r-xs 00027000 03:41 13141073   /mnt/IDE500GB/.m2/repository/org/codehaus/plexus/plexus-utils/1.1/plexus-utils-1.1.jar
b7f54000-b7f5a000 r-xp 00000000 fd:00 4325404    /opt/jdk1.6.0_13/jre/lib/i386/native_threads/libhpi.so
b7f5a000-b7f5b000 rwxp 00006000 fd:00 4325404    /opt/jdk1.6.0_13/jre/lib/i386/native_threads/libhpi.so
b7f5b000-b7f5e000 --xp b7f5b000 00:00 0
b7f5e000-b7fae000 rwxp b7f5e000 00:00 0
b7fae000-b7fb5000 r-xp 00000000 fd:00 4325420    /opt/jdk1.6.0_13/jre/lib/i386/jli/libjli.so
b7fb5000-b7fb7000 rwxp 00006000 fd:00 4325420    /opt/jdk1.6.0_13/jre/lib/i386/jli/libjli.so
b7fb7000-b7fb8000 r-xs 00002000 03:41 13140264   /mnt/IDE500GB/.m2/repository/org/apache/maven/surefire/surefire-junit/2.3/surefire-junit-2.3.jar
b7fb8000-b7fba000 r-xs 0000b000 03:41 13140291   /mnt/IDE500GB/.m2/repository/org/apache/maven/surefire/surefire-api/2.3/surefire-api-2.3.jar
b7fba000-b7fbc000 r-xs 00006000 03:41 13140272   /mnt/IDE500GB/.m2/repository/org/apache/maven/surefire/surefire-booter/2.3/surefire-booter-2.3.jar
b7fbc000-b7fbd000 rwxp b7fbc000 00:00 0
b7fbd000-b7fbe000 r-xp b7fbd000 00:00 0
b7fbe000-b7fbf000 rwxp b7fbe000 00:00 0
b7fbf000-b7fc0000 r-xp b7fbf000 00:00 0          [vdso]
bf98b000-bf9a0000 rwxp bffea000 00:00 0          [stack]

VM Arguments:
java_command: org.apache.maven.surefire.booter.SurefireBooter /tmp/surefire5688667027445730448tmp /tmp/surefire7222887966087241055tmp
Launcher Type: SUN_STANDARD

Environment Variables:
JAVA_HOME=/opt/jdk1.6.0_13
PATH=/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/opt/jdk1.6.0_13/bin:/usr/local/apache-maven-2.0.8/bin:/home/continuum/bin
LD_LIBRARY_PATH=/opt/jdk1.6.0_13/jre/lib/i386/server:/opt/jdk1.6.0_13/jre/lib/i386:/opt/jdk1.6.0_13/jre/../lib/i386
SHELL=/bin/bash

Signal Handlers:
SIGSEGV: [libjvm.so+0x6071f0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGBUS: [libjvm.so+0x6071f0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGFPE: [libjvm.so+0x5048b0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGPIPE: [libjvm.so+0x5048b0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGXFSZ: [libjvm.so+0x5048b0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGILL: [libjvm.so+0x5048b0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
SIGUSR2: [libjvm.so+0x506d80], sa_mask[0]=0x00000004, sa_flags=0x10000004
SIGHUP: [libjvm.so+0x506b20], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGINT: [libjvm.so+0x506b20], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGTERM: [libjvm.so+0x506b20], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
SIGQUIT: [libjvm.so+0x506b20], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004


---------------  S Y S T E M  ---------------

OS:CentOS release 5.3 (Final)

uname:Linux 2.6.18-128.1.6.el5 #1 SMP Wed Apr 1 09:19:18 EDT 2009 i686
libc:glibc 2.5 NPTL 2.5
rlimit: STACK 10240k, CORE 0k, NPROC infinity, NOFILE 1024, AS infinity
load average:0.51 0.29 0.16

CPU:total 4 (1 cores per cpu, 2 threads per core) family 15 model 2 stepping 7, cmov, cx8, fxsr, mmx, sse, sse2, ht

Memory: 4k page, physical 2595696k(2026808k free), swap 4653048k(4653048k free)

vm_info: Java HotSpot(TM) Server VM (11.3-b02) for linux-x86 JRE (1.6.0_13-b03), built on Mar  9 2009 01:16:42 by "java_re" with gcc 3.2.1-7a (J2SE release)


time: Mon Jun  1 16:45:05 2009
elapsed time: 13 seconds


Update: Corv1nus is AAltemus, just registered.

解決方案5
 0  2009-06-01 21:17:22

聽起來像是;

  • 您在不受支持的操作系統上運行JVM。
  • JVM中的錯誤（您的其他程序可能不會觸發該錯誤）
  • 您正在使用的庫中的錯誤正在打破您的JVM。

解決方案6
 0  2009-06-01 22:40:21

Corv1nus中的轉儲是否回答了與錯誤相關的轉儲？

如果是這樣，我們遇到了類似於CompilerThread的段錯誤的錯誤。 在我們的例子中，一個庫已經使用1.4編譯器編譯或者編譯為1.4 JVM（不能完全記住）。 生成的字節碼似乎觸發了1.6 Hotspot JIT編譯器中的錯誤。 我們通過使用最新的1.6編譯器重新編譯庫來解決了這個問題。 這生成了不會觸發錯誤的不同字節碼。

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