Sigsev usually is the result of Hardware errors. At least that is what I have found in the past. I would run memtest on the machine to check for bad memory.
Dennis Kubes Brian Whitman wrote: > Got this segfault + crash when fetching in the middle of a large fetch. > Seems to be in looking up a hostname? > > -- > > > > > > # > # An unexpected error has been detected by HotSpot Virtual Machine: > # > # SIGSEGV (0xb) at pc=0x55651ed2, pid=8251, tid=2763877264 > # > # Java VM: Java HotSpot(TM) Server VM (1.5.0_10-b03 mixed mode) > # Problematic frame: > # C [libc.so.6+0xb8ed2] > # > > --------------- T H R E A D --------------- > > Current thread (0xa2a376d0): JavaThread "FetcherThread" daemon > [_thread_in_native, id=8288] > > siginfo:si_signo=11, si_errno=0, si_code=1, si_addr=0x00000010 > > Registers: > EAX=0xa4bd5364, EBX=0x556d7ff4, ECX=0xa4bd5940, EDX=0x00000000 > ESP=0xa4bd523c, EBP=0xa4bd53e4, ESI=0xa4bd5364, EDI=0x00000000 > EIP=0x55651ed2, CR2=0x00000010, EFLAGS=0x00010292 > > Top of Stack: (sp=0xa4bd523c) > 0xa4bd523c: 00000000 a4bd5260 00454002 000081a4 > 0xa4bd524c: 00000001 00000000 00000000 00000000 > 0xa4bd525c: a4bd5948 a4bd52c0 01000044 a4bd5364 > 0xa4bd526c: 00001000 00000000 0853aef8 0853aec0 > 0xa4bd527c: 00000000 45b16bc9 00000000 45b16bc9 > 0xa4bd528c: 0000000e 0000000e 00000000 7fffffff > 0xa4bd529c: a4bd6df4 a4bd5318 5567a30d 00000003 > 0xa4bd52ac: 556bf0a0 a4bd535c 00000801 a4bd58bc > Instructions: (pc=0x55651ed2) > 0x55651ec2: 89 bd 6c fe ff ff 89 fa 89 c6 89 85 84 fe ff ff > 0x55651ed2: 8b 4a 10 83 f9 07 76 2b 8b bd cc fe ff ff 0f b6 > > Stack: [0xa4b57000,0xa4bd7000), sp=0xa4bd523c, free space=504k > Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, > C=native code) > C [libc.so.6+0xb8ed2] > C [libc.so.6+0x2be57] > C [libc.so.6+0x2bdff] > C [libc.so.6+0x2bde5] > C [libc.so.6+0x2c06a] qsort+0x12a > C [libc.so.6+0xb8372] getaddrinfo+0x5c2 > C [libnet.so+0x57e8] > Java_java_net_Inet6AddressImpl_lookupAllHostAddr+0x198 > j java.net.Inet6AddressImpl.lookupAllHostAddr(Ljava/lang/String;)[[B+0 > j java.net.InetAddress$1.lookupAllHostAddr(Ljava/lang/String;)[[B+4 > j > java.net.InetAddress.getAddressFromNameService(Ljava/lang/String;)Ljava/lang/Object;+17 > > > j > java.net.InetAddress.getAllByName0(Ljava/lang/String;Z)[Ljava/net/InetAddress;+35 > > > j > java.net.InetAddress.getAllByName0(Ljava/lang/String;)[Ljava/net/InetAddress;+2 > > > j > java.net.InetAddress.getAllByName(Ljava/lang/String;)[Ljava/net/InetAddress;+319 > > > j > java.net.InetAddress.getByName(Ljava/lang/String;)Ljava/net/InetAddress;+1 > j java.net.InetSocketAddress.<init>(Ljava/lang/String;I)V+67 > j > org.apache.nutch.protocol.http.HttpResponse.<init>(Lorg/apache/nutch/protocol/http/api/HttpBa > > > se;Ljava/net/URL;Lorg/apache/nutch/crawl/CrawlDatum;)V+259 > j > org.apache.nutch.protocol.http.Http.getResponse(Ljava/net/URL;Lorg/apache/nutch/crawl/CrawlDa > > > tum;Z)Lorg/apache/nutch/net/protocols/Response;+7 > j > org.apache.nutch.protocol.http.api.RobotRulesParser.getRobotRulesSet(Lorg/apache/nutch/protoc > > > ol/http/api/HttpBase;Ljava/net/URL;)Lorg/apache/nutch/protocol/http/api/RobotRulesParser$RobotRu > > > leSet;+85 > j > org.apache.nutch.protocol.http.api.RobotRulesParser.isAllowed(Lorg/apache/nutch/protocol/http > > > /api/HttpBase;Ljava/net/URL;)Z+24 > j > org.apache.nutch.protocol.http.api.HttpBase.getProtocolOutput(Lorg/apache/hadoop/io/Text;Lorg > > > /apache/nutch/crawl/CrawlDatum;)Lorg/apache/nutch/protocol/ProtocolOutput;+29 > > j org.apache.nutch.fetcher.Fetcher$FetcherThread.run()V+262 > v ~StubRoutines::call_stub > V [libjvm.so+0x26777c] > V [libjvm.so+0x42e598] > V [libjvm.so+0x266fd5] > V [libjvm.so+0x26706e] > V [libjvm.so+0x2de925] > V [libjvm.so+0x4ce593] > V [libjvm.so+0x42f1a8] > C [libpthread.so.0+0x5183] > > Java frames: (J=compiled Java code, j=interpreted, Vv=VM code) > j java.net.Inet6AddressImpl.lookupAllHostAddr(Ljava/lang/String;)[[B+0 > j java.net.InetAddress$1.lookupAllHostAddr(Ljava/lang/String;)[[B+4 > j > java.net.InetAddress.getAddressFromNameService(Ljava/lang/String;)Ljava/lang/Object;+17 > > > j > java.net.InetAddress.getAllByName0(Ljava/lang/String;Z)[Ljava/net/InetAddress;+35 > > > j > java.net.InetAddress.getAllByName0(Ljava/lang/String;)[Ljava/net/InetAddress;+2 > > > j > java.net.InetAddress.getAllByName(Ljava/lang/String;)[Ljava/net/InetAddress;+319 > > > j > java.net.InetAddress.getByName(Ljava/lang/String;)Ljava/net/InetAddress;+1 > j java.net.InetSocketAddress.<init>(Ljava/lang/String;I)V+67 > j > org.apache.nutch.protocol.http.HttpResponse.<init>(Lorg/apache/nutch/protocol/http/api/HttpBa > > > se;Ljava/net/URL;Lorg/apache/nutch/crawl/CrawlDatum;)V+259 > j > org.apache.nutch.protocol.http.Http.getResponse(Ljava/net/URL;Lorg/apache/nutch/crawl/CrawlDa > > > tum;Z)Lorg/apache/nutch/net/protocols/Response;+7 > j > org.apache.nutch.protocol.http.api.RobotRulesParser.getRobotRulesSet(Lorg/apache/nutch/protoc > > > ol/http/api/HttpBase;Ljava/net/URL;)Lorg/apache/nutch/protocol/http/api/RobotRulesParser$RobotRu > > > leSet;+85 > j > org.apache.nutch.protocol.http.api.RobotRulesParser.isAllowed(Lorg/apache/nutch/protocol/http > > > /api/HttpBase;Ljava/net/URL;)Z+24 > j > org.apache.nutch.protocol.http.api.HttpBase.getProtocolOutput(Lorg/apache/hadoop/io/Text;Lorg > > > /apache/nutch/crawl/CrawlDatum;)Lorg/apache/nutch/protocol/ProtocolOutput;+29 > > j org.apache.nutch.fetcher.Fetcher$FetcherThread.run()V+262 > v ~StubRoutines::call_stub > > --------------- P R O C E S S --------------- > > Java Threads: ( => current thread ) > 0x08196028 JavaThread "FetcherThread" daemon [_thread_in_native, id=8303] > 0x081950d8 JavaThread "FetcherThread" daemon [_thread_in_native, id=8302] > 0x08194188 JavaThread "FetcherThread" daemon [_thread_in_native, id=8301] > 0x08193238 JavaThread "FetcherThread" daemon [_thread_in_native, id=8300] > 0x081922e8 JavaThread "FetcherThread" daemon [_thread_blocked, id=8299] > 0x08191398 JavaThread "FetcherThread" daemon [_thread_blocked, id=8298] > 0x08190448 JavaThread "FetcherThread" daemon [_thread_in_native, id=8297] > 0x0818f4f8 JavaThread "FetcherThread" daemon [_thread_blocked, id=8296] > 0x085e8ef0 JavaThread "FetcherThread" daemon [_thread_in_native, id=8295] > 0x085e80c8 JavaThread "FetcherThread" daemon [_thread_in_native, id=8294] > 0xa2c88c80 JavaThread "FetcherThread" daemon [_thread_in_native, id=8293] > 0xa2a9fc80 JavaThread "FetcherThread" daemon [_thread_in_native, id=8292] > 0xa2a9eed0 JavaThread "FetcherThread" daemon [_thread_in_native, id=8291] > 0xa2a9e168 JavaThread "FetcherThread" daemon [_thread_in_native, id=8290] > 0xa2a37ca8 JavaThread "FetcherThread" daemon [_thread_in_native, id=8289] > =>0xa2a376d0 JavaThread "FetcherThread" daemon [_thread_in_native, id=8288] > 0xa2a370f8 JavaThread "FetcherThread" daemon [_thread_in_native, id=8287] > 0xa2ba36d0 JavaThread "FetcherThread" daemon [_thread_in_native, id=8286] > 0x9f0aa888 JavaThread "FetcherThread" daemon [_thread_in_native, id=8285] > 0x9f0aaf38 JavaThread "FetcherThread" daemon [_thread_in_native, id=8284] > 0x0868b1b0 JavaThread "Sort progress reporter for task map_xt69kc" > daemon [_thread_blocked, id > =8283] > 0x0849b188 JavaThread "Thread-0" [_thread_blocked, id=8282] > 0x9f002a88 JavaThread "Low Memory Detector" daemon [_thread_blocked, > id=8280] > 0x9f001650 JavaThread "CompilerThread1" daemon [_thread_blocked, id=8279] > 0x9f000678 JavaThread "CompilerThread0" daemon [_thread_in_native, > id=8278] > 0x08120ee0 JavaThread "AdapterThread" daemon [_thread_blocked, id=8277] > 0x0811ffa0 JavaThread "Signal Dispatcher" daemon [_thread_blocked, > id=8276] > 0x08116818 JavaThread "Finalizer" daemon [_thread_blocked, id=8275] > 0x08115138 JavaThread "Reference Handler" daemon [_thread_blocked, > id=8274] > 0x0805d9b8 JavaThread "main" [_thread_blocked, id=8251] > > Other Threads: > 0x08112c00 VMThread [id=8273] > 0x9f004040 WatcherThread [id=8281] > > VM state:not at safepoint (normal execution) > > VM Mutex/Monitor currently owned by a thread: None > > Heap > PSYoungGen total 12928K, used 1702K [0x97aa0000, 0x98800000, > 0x9e9b0000) > eden space 12160K, 10% used [0x97aa0000,0x97bd92b8,0x98680000) > from space 768K, 58% used [0x98740000,0x987b05a0,0x98800000) > to space 768K, 0% used [0x98680000,0x98680000,0x98740000) > PSOldGen total 1408K, used 640K [0x601b0000, 0x60310000, 0x97aa0000) > object space 1408K, 45% used [0x601b0000,0x60250070,0x60310000) > PSPermGen total 16384K, used 5821K [0x5c1b0000, 0x5d1b0000, > 0x601b0000) > object space 16384K, 35% used [0x5c1b0000,0x5c75f640,0x5d1b0000) > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. 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