Tomcat 7.0.59已经使用下面的报告崩溃了几次。
我无法在任何地方找到此问题。
欢迎任何建议/帮助/解决方案。
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGSEGV (0xb) at pc=0x00002aaaadfe68b5, pid=3318, tid=1376909632
#
# JRE version: Java(TM) SE Runtime Environment (8.0_51-b16) (build 1.8.0_51-b16)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# J 15283 C2 org.apache.tomcat.util.buf.StringCache.findClosest(Lorg/apache/tomcat/util/buf/ByteChunk;[Lorg/apache/tomcat/util/buf/StringCache$ByteEntry;I)I (119 bytes) @ 0x00002aaaadfe68b5 [0x00002aaaadfe65e0+0x2d5]
#
# Core dump written. Default location: /home/xxx/core or core.3318
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
--------------- T H R E A D ---------------
Current thread (0x00002aaadc530800): JavaThread "zs-exec-65" daemon [_thread_in_Java, id=3903, stack(0x000000005201f000,0x0000000052120000)]
siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x00000000000001e8
Registers:
RAX=0x00000006d517ad08, RBX=0x0000000000004000, RCX=0x0000000000000076, RDX=0x0000000000000065
RSP=0x000000005211e350, RBP=0x0000000000000074, RSI=0x0000000000000011, RDI=0x0000000000000000
R8 =0x000000000000000d, R9 =0x000000000000000c, R10=0x0000000000000000, R11=0x00000000000000ed
R12=0x0000000000000000, R13=0x00000006db952db0, R14=0x0000000000000075, R15=0x00002aaadc530800
RIP=0x00002aaaadfe68b5, EFLAGS=0x0000000000010293, CSGSFS=0x0000000000000033, ERR=0x0000000000000004
TRAPNO=0x000000000000000e
Top of Stack: (sp=0x000000005211e350)
0x000000005211e350: 0000000d000000c8 00000078fffffd28
0x000000005211e360: 00000006db9de448 000002d8000002d8
0x000000005211e370: 00000007c04e0f40 00002aaaafdc03b4
0x000000005211e380: 0000000743a0dda8 00000006d38a4868
0x000000005211e390: 0000000000000009 0000000000000001
0x000000005211e3a0: 00000006db957700 00002aaaaeba6a28
0x000000005211e3b0: 00000083000000c8 00000062ffffffe7
0x000000005211e3c0: 00000006d398c060 00000006c358efe0
0x000000005211e3d0: 0000000000000000 00000006db6f1de8
0x000000005211e3e0: 0000000000000082 00002aaaac5bbba8
0x000000005211e3f0: 00000006db959740 00002aaaad15f12c
0x000000005211e400: 7f2396bcc3d08790 00000006d398c060
0x000000005211e410: 00000006c358efe0 000000010000003c
0x000000005211e420: 00000006db959640 00002aaaaeee3ef0
0x000000005211e430: 00000006db959610 0000000743a0e168
0x000000005211e440: 00000006db6f1de8 0000000600000082
0x000000005211e450: 00000000db72aeda 00002aaaae0ed654
0x000000005211e460: 00000006db9576d0 0000000f0000000f
0x000000005211e470: 00000006d398b130 00000006c358efe0
0x000000005211e480: 0000000700000001 00002aaab9012000
0x000000005211e490: 0000000700000083 00002ada74141003
0x000000005211e4a0: 000000005ac72374 00000000000498ea
0x000000005211e4b0: 00000006d75e23a8 00002aaab03a6a20
0x000000005211e4c0: 00000006d75e23a8 00002aaab9012000
0x000000005211e4d0: 00000006c353d408 00000006db95bb38
0x000000005211e4e0: 00000006db95be70 00000006db9cbc98
0x000000005211e4f0: 0000000000000000 0000000743a0e2b8
0x000000005211e500: 00000000da72fb81 00002aaaad861d28
0x000000005211e510: 00000006db9586b0 00000006c351ba78
0x000000005211e520: 0000000000000001 00002aaab02adc80
0x000000005211e530: 0000000743a0d798 0000000200000009
0x000000005211e540: 0000000743a0d780 0000000100000001
Instructions: (pc=0x00002aaaadfe68b5)
0x00002aaaadfe6895: 01 fd 44 8b d9 44 03 5c 24 0c 44 8b f1 41 8b cb
0x00002aaaadfe68a5: d1 e9 3b 0c 24 0f 83 ad 05 00 00 66 49 0f 7e ca
0x00002aaaadfe68b5: 45 8b 54 8a 10 47 8b 54 d4 0c 43 8b 74 d4 0c 44
0x00002aaaadfe68c5: 8b 5c 24 04 44 3b de 7d 05 45 8b c3 eb 03 44 8b
Register to memory mapping:
RAX=0x00000006d517ad08 is an oop
[B
- klass: {type array byte}
- length: 17
RBX=0x0000000000004000 is an unknown value
RCX=0x0000000000000076 is an unknown value
RDX=0x0000000000000065 is an unknown value
RSP=0x000000005211e350 is pointing into the stack for thread: 0x00002aaadc530800
RBP=0x0000000000000074 is an unknown value
RSI=0x0000000000000011 is an unknown value
RDI=0x0000000000000000 is an unknown value
R8 =0x000000000000000d is an unknown value
R9 =0x000000000000000c is an unknown value
R10=0x0000000000000000 is an unknown value
R11=0x00000000000000ed is an unknown value
R12=0x0000000000000000 is an unknown value
R13=0x00000006db952db0 is an oop
[B
- klass: {type array byte}
- length: 16384
R14=0x0000000000000075 is an unknown value
R15=0x00002aaadc530800 is a thread
Stack: [0x000000005201f000,0x0000000052120000], sp=0x000000005211e350, free space=1020k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
J 15283 C2 org.apache.tomcat.util.buf.StringCache.findClosest(Lorg/apache/tomcat/util/buf/ByteChunk;[Lorg/apache/tomcat/util/buf/StringCache$ByteEntry;I)I (119 bytes) @ 0x00002aaaadfe68b5 [0x00002aaaadfe65e0+0x2d5]
......
Deoptimization events (10 events):
Event: 41745.498 Thread 0x00002aaaca7ba000 Uncommon trap: reason=class_check action=maybe_recompile pc=0x00002aaaafbef34c method=sun.net.www.MeteredStream.finalize()V @ 1
Event: 41897.577 Thread 0x00002aaadeee7000 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaaaf350b50 method=com.sogou.baike.mobile.bean.image.ImageDescriptor.<init>(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V @ 6
Event: 42611.355 Thread 0x00002aaad8f7c800 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaaaff77f0c method=com.sogou.baike.mobile.utils.SearchKey.removeInvalid(Ljava/lang/String;)Ljava/lang/String; @ 145
Event: 42824.615 Thread 0x00002aaade3bb000 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaab086ea08 method=org.jsoup.helper.StringUtil.padding(I)Ljava/lang/String; @ 19
Event: 42824.615 Thread 0x00002aaade3bb000 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaaae667920 method=org.jsoup.helper.StringUtil.padding(I)Ljava/lang/String; @ 19
Event: 43120.973 Thread 0x00002aaadeeff800 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaab0b7ae84 method=com.sogou.baike.mobile.service.lemma.parse.temp.LemmaParseToMobile.exeModuleDataInfo(Lcom/sogou/baike/mobile/service/lemma/model/MobileLemma;Ljava/util/concurrent/atomic/Ato
Event: 43175.582 Thread 0x0000000001072000 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaab0e652cc method=com.sogou.baike.mobile.service.lemma.parse.h.RichtextParser.parse(Ljava/lang/String;ZLcom/sogou/baike/mobile/utils/URLBuilder;Z)Lcom/sogou/baike/mobile/service/lemma/parse/h
Event: 43339.578 Thread 0x00002aaad8f79000 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaab098a390 method=java.util.regex.Pattern$Dot.isSatisfiedBy(I)Z @ 9
Event: 43769.256 Thread 0x0000000000bb6800 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaaaf8009c8 method=org.htmlcleaner.HtmlTokenizer.identifier()Ljava/lang/String; @ 106
Event: 43946.670 Thread 0x00002aaadc52e800 Uncommon trap: reason=unstable_if action=reinterpret pc=0x00002aaaafc5b3bc method=org.jsoup.parser.HtmlTreeBuilderState$15.process(Lorg/jsoup/parser/Token;Lorg/jsoup/parser/HtmlTreeBuilder;)Z @ 295
Internal exceptions (10 events):
Event: 44375.480 Thread 0x00000000019e4000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000774579b50) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44375.486 Thread 0x0000000001d16800 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000773f44020) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44426.659 Thread 0x0000000000bd6000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x00000007558fff78) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44435.477 Thread 0x0000000001e86000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000761fc5d38) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44435.477 Thread 0x00002aaadc027000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000761fd3160) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44435.478 Thread 0x00002aaadc026800 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000761fe4328) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44435.485 Thread 0x00002aaadc027000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000761d47968) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44435.490 Thread 0x0000000001e86000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x0000000761d60160) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44435.512 Thread 0x00002aaad53ee000 Exception <a 'java/lang/NoSuchMethodError': <clinit>> (0x000000076235c370) thrown at [/HUDSON/workspace/8-2-build-linux-amd64/jdk8u51/3951/hotspot/src/share/vm/prims/jni.cpp, line 1598]
Event: 44467.295 Thread 0x00002aaadc530800 Implicit null exception at 0x00002aaaadfe68b5 to 0x0000000000000000
...
核心转储中的线程（pid = 3903）堆栈信息为空。
Thread 3903: (state = IN_JAVA)
令我困惑的是tomcat stringcache可以产生空指针的情况是什么情况？