This may be another instance of JENKINS-16528<https://issues.jenkins-ci.org/browse/JENKINS-16528> .
On Wednesday, February 20, 2013 4:39:13 AM UTC-5, Ralph Mothes wrote: > > Hi, > > i'm experiencing an error i haven't got an explanation right now. > > Jenkins is used with freestyle projects that includes ant scripts. > > Since the upgrade from 1.492 to 1.498 jenkins crashes with an > EXCEPTION_ACCESS_VIOLATION. > > Also the upgrade to 1.499, 1.500 or 1.501 didn't make things better. > > Rollbacks didn't work. > > Any ideas what causes the crash? > > Regards, > Ralph > > > ----------------------------------------------------------------------------------- > > # > # A fatal error has been detected by the Java Runtime Environment: > # > # EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0132f723, pid=1820, > tid=1296 > # > # JRE version: 6.0_39-b04 > # Java VM: Java HotSpot(TM) Client VM (20.14-b01 mixed mode, sharing > windows-x86 ) > # Problematic frame: > # J > org.kohsuke.stapler.jelly.groovy.GroovyFacet$1.dispatch(Lorg/kohsuke/stapler/RequestImpl;Lorg/kohsuke/stapler/ResponseImpl;Ljava/lang/Object;)Z > # > # If you would like to submit a bug report, please visit: > # http://java.sun.com/webapps/bugreport/crash.jsp > # > > --------------- T H R E A D --------------- > > Current thread (0x04462800): JavaThread "Handling POST > /extensionList/hudson.console.ConsoleAnnotatorFactory/hudson.plugins.timestamper.annotator.TimestampAnnotatorFactory/usersettings > > : RequestHandlerThread[#53]" daemon [_thread_in_Java, id=1296, > stack(0x056b0000,0x05700000)] > > siginfo: ExceptionCode=0xc0000005, reading address 0xa814b207 > > Registers: > EAX=0x2814b208, EBX=0x056fdd50, ECX=0x056fdd18, EDX=0x2814b208 > ESP=0x056fdd50, EBP=0x056fdf38, ESI=0x0132f704, EDI=0x00000000 > EIP=0x0132f723, EFLAGS=0x00010206 > > Top of Stack: (sp=0x056fdd50) > 0x056fdd50: 00000000 00000013 2811efc8 23f518d0 > 0x056fdd60: 247f5c48 00000002 6d3d7245 043d508c > 0x056fdd70: 00000003 043d5090 056fdf38 00a7ce10 > 0x056fdd80: 24802980 23f510a8 23f50f60 23f518f8 > 0x056fdd90: 24805740 23f51988 23f70e80 247f5c48 > 0x056fdda0: 23f518e0 2811efc8 23f50f60 24802968 > 0x056fddb0: 00000002 00f3c4b7 056fdf38 00f3cfb0 > 0x056fddc0: 23f510d0 247e84c8 ffffffff 056fdddc > > Instructions: (pc=0x0132f723) > 0x0132f703: 00 83 f8 00 0f 84 12 00 00 00 81 78 04 40 bd f9 > 0x0132f713: 32 0f 85 8f 02 00 00 e9 00 00 00 00 8b d0 3b 02 > 0x0132f723: 8b b2 ff ff ff 7f 83 fe 00 0f 84 15 00 00 00 8b > 0x0132f733: 4e 04 81 79 20 08 cd 0b 33 0f 85 79 02 00 00 e9 > > > Register to memory mapping: > > EAX=0x2814b208 is an oop > org.kohsuke.stapler.jelly.JellyFacet > - klass: 'org/kohsuke/stapler/jelly/JellyFacet' > EBX=0x056fdd50 is pointing into the stack for thread: 0x04462800 > ECX=0x056fdd18 is pointing into the stack for thread: 0x04462800 > EDX=0x2814b208 is an oop > org.kohsuke.stapler.jelly.JellyFacet > - klass: 'org/kohsuke/stapler/jelly/JellyFacet' > ESP=0x056fdd50 is pointing into the stack for thread: 0x04462800 > EBP=0x056fdf38 is pointing into the stack for thread: 0x04462800 > ESI=0x0132eec8 [CodeBlob (0x0132eec8)] > Framesize: 28 > EDI=0x00000000 is an unknown value > > > Stack: [0x056b0000,0x05700000], sp=0x056fdd50, free space=311k > Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native > code) > J > org.kohsuke.stapler.jelly.groovy.GroovyFacet$1.dispatch(Lorg/kohsuke/stapler/RequestImpl;Lorg/kohsuke/stapler/ResponseImpl;Ljava/lang/Object;)Z > j > org.kohsuke.stapler.MetaClass$12.dispatch(Lorg/kohsuke/stapler/RequestImpl;Lorg/kohsuke/stapler/ResponseImpl;Ljava/lang/Object;)Z+92 > J > org.kohsuke.stapler.Stapler.tryInvoke(Lorg/kohsuke/stapler/RequestImpl;Lorg/kohsuke/stapler/ResponseImpl;Ljava/lang/Object;)Z > j > org.kohsuke.stapler.MetaClass$6.doDispatch(Lorg/kohsuke/stapler/RequestImpl;Lorg/kohsuke/stapler/ResponseImpl;Ljava/lang/Object;)Z+81 > J > org.kohsuke.stapler.NameBasedDispatcher.dispatch(Lorg/kohsuke/stapler/RequestImpl;Lorg/kohsuke/stapler/ResponseImpl;Ljava/lang/Object;)Z > j > org.kohsuke.stapler.Stapler.invoke(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;Ljava/lang/Object;Ljava/lang/String;)V+82 > J > org.kohsuke.stapler.Stapler.service(Ljavax/servlet/http/HttpServletRequest;Ljavax/servlet/http/HttpServletResponse;)V > J > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Ljava/lang/Runnable;)V > v ~StubRoutines::call_stub > V [jvm.dll+0xfb88b] > V [jvm.dll+0x18d551] > V [jvm.dll+0xfba31] > V [jvm.dll+0xfba8b] > V [jvm.dll+0xb5e89] > V [jvm.dll+0x119b74] > V [jvm.dll+0x14217c] > C [msvcr71.dll+0x9565] endthreadex+0xa0 > C [kernel32.dll+0xb729] GetModuleFileNameA+0x1ba > > > --------------- P R O C E S S --------------- > > Java Threads: ( => current thread ) > 0x04677c00 JavaThread "RequestHandlerThread[#70] : reading request #1 > from /10.49.76.203:2390" daemon [_thread_blocked, id=2216, > stack(0x05b50000,0x05ba0000)] > 0x04697c00 JavaThread "RequestHandlerThread[#69] : reading request #8 > from /10.49.76.222:3985" daemon [_thread_in_native, id=2520, > stack(0x059c0000,0x05a10000)] > 0x044c8c00 JavaThread "RequestHandlerThread[#68] : reading request #2 > from /10.49.76.68:1539" daemon [_thread_in_native, id=248, > stack(0x05970000,0x059c0000)] > 0x04885800 JavaThread "RequestHandlerThread[#67] : reading request #14 > from /10.49.76.222:3984" daemon [_thread_in_native, id=2512, > stack(0x05920000,0x05970000)] > 0x04885400 JavaThread "RequestHandlerThread[#66] : reading request #12 > from /10.49.76.222:3986" daemon [_thread_in_native, id=2124, > stack(0x05750000,0x057a0000)] > 0x046ca400 JavaThread "Pipe writer thread: DBUILD04" [_thread_blocked, > id=2240, stack(0x05700000,0x05750000)] > 0x042f7400 JavaThread "pool-3-thread-78" daemon [_thread_blocked, > id=2548, stack(0x04240000,0x04290000)] > 0x0480d800 JavaThread "RequestHandlerThread[#65] : reading request #3 > from /10.49.76.68:1537" daemon [_thread_blocked, id=2736, > stack(0x041a0000,0x041f0000)] > 0x046fb800 JavaThread "RequestHandlerThread[#64] : reading request #8 > from /10.49.76.222:3988" daemon [_thread_in_native, id=2136, > stack(0x05560000,0x055b0000)] > 0x044dbc00 JavaThread "Pipe writer thread: DBUILD03" [_thread_blocked, > id=2208, stack(0x040b0000,0x04100000)] > 0x035f8c00 JavaThread "RequestHandlerThread[#61] : reading request #9 > from /10.49.76.222:3987" daemon [_thread_in_native, id=1220, > stack(0x05610000,0x05660000)] > 0x044ef400 JavaThread "RequestHandlerThread[#57] : reading request #2 > from /10.49.76.68:1538" daemon [_thread_blocked, id=1064, > stack(0x03f70000,0x03fc0000)] > 0x043e4400 JavaThread "RequestHandlerThread[#56] : reading request #2 > from /10.49.76.68:1541" daemon [_thread_in_native, id=2616, > stack(0x04060000,0x040b0000)] > 0x043a1400 JavaThread "RequestHandlerThread[#55] : reading request #1 > from /10.49.76.203:2389" daemon [_thread_blocked, id=3844, > stack(0x04010000,0x04060000)] > =>0x04462800 JavaThread "Handling POST > /extensionList/hudson.console.ConsoleAnnotatorFactory/hudson.plugins.timestamper.annotator.TimestampAnnotatorFactory/usersettings > > : RequestHandlerThread[#53]" daemon [_thread_in_Java, id=1296, > stack(0x056b0000,0x05700000)] > 0x0443b400 JavaThread "RequestHandlerThread[#41]" daemon > [_thread_blocked, id=3388, stack(0x05660000,0x056b0000)] > 0x042d6400 JavaThread "AWT-Windows" daemon [_thread_in_native, id=2676, > stack(0x055b0000,0x05600000)] > 0x0436e000 JavaThread "Ping thread for channel > hudson.remoting.Channel@1b0d990:DBUILD05" daemon [_thread_blocked, id=4064, > stack(0x05b00000,0x05b50000)] > 0x0436d000 JavaThread "Ping thread for channel > hudson.remoting.Channel@91cc3a:DBUILD06" daemon [_thread_blocked, id=4060, > stack(0x05ab0000,0x05b00000)] > 0x042db400 JavaThread "Ping thread for channel > hudson.remoting.Channel@14cf1b9:DBUILD04" daemon [_thread_blocked, id=4056, > stack(0x05a60000,0x05ab0000)] > 0x042dac00 JavaThread "Ping thread for channel > hudson.remoting.Channel@3d58b2:DBUILD03" daemon [_thread_blocked, id=4052, > stack(0x05a10000,0x05a60000)] > 0x042c5000 JavaThread "Channel reader thread: DBUILD05" > [_thread_in_native, id=4036, stack(0x058d0000,0x05920000)] > 0x04371400 JavaThread "Channel reader thread: DBUILD04" > [_thread_blocked, id=4032, stack(0x05880000,0x058d0000)] > 0x042c3800 JavaThread "Channel reader thread: DBUILD06" > [_thread_in_native, id=4028, stack(0x05830000,0x05880000)] > 0x042b6800 JavaThread "Channel reader thread: DBUILD03" > [_thread_blocked, id=4024, stack(0x057e0000,0x05830000)] > 0x03c2a800 JavaThread "JmDNS(dbuild02.local.).State.Timer" > [_thread_blocked, id=3964, stack(0x05510000,0x05560000)] > 0x03cd3400 JavaThread "JmDNS(dbuild02.local.).Timer" daemon > [_thread_blocked, id=3960, stack(0x054c0000,0x05510000)] > 0x02f47400 JavaThread "SocketListener(dbuild02.local.)" daemon > [_thread_in_native, id=3956, stack(0x03e30000,0x03e80000)] > 0x03c38800 JavaThread "pool-9-thread-1" daemon [_thread_blocked, > id=3896, stack(0x05470000,0x054c0000)] > 0x04337c00 JavaThread "Executor #0 for DBUILD05" [_thread_blocked, > id=3892, stack(0x05420000,0x05470000)] > 0x04594800 JavaThread "Executor #0 for DBUILD03 : executing > SNG_5_4_0_0-1 #393 / waiting for hudson.remoting.Channel@3d58b2:DBUILD03" > [_thread_blocked, id=3888, stack(0x053d0000,0x05420000)] > 0x043d2400 JavaThread "Executor #0 for DBUILD06" [_thread_blocked, > id=3884, stack(0x05380000,0x053d0000)] > 0x04331c00 JavaThread "Executor #0 for DBUILD04 : executing > SNG_5_5_0_0-0 #194 / waiting for hudson.remoting.Channel@14cf1b9:DBUILD04" > [_thread_blocked, id=3880, stack(0x05330000,0x05380000)] > 0x02fd7000 JavaThread "Executor #0 for master" [_thread_blocked, > id=3872, stack(0x041f0000,0x04240000)] > 0x036f8800 JavaThread "Jenkins UDP 33848 monitoring thread" > [_thread_in_native, id=3860, stack(0x04150000,0x041a0000)] > 0x0369e400 JavaThread "TCP slave agent listener port=0" > [_thread_in_native, id=3856, stack(0x04100000,0x04150000)] > 0x0432a400 JavaThread "NioSocketAcceptor-1" [_thread_in_native, id=3852, > stack(0x052e0000,0x05330000)] > 0x04685400 JavaThread "ViewJob reload thread" daemon [_thread_blocked, > id=3688, stack(0x05290000,0x052e0000)] > 0x035ed800 JavaThread "Jenkins cron thread" [_thread_blocked, id=3144, > stack(0x03fc0000,0x04010000)] > 0x003b6800 JavaThread "DestroyJavaVM" [_thread_blocked, id=1776, > stack(0x00910000,0x00960000)] > 0x0352d400 JavaThread "LauncherControlThread[ControlPort=-1]" > [_thread_blocked, id=3100, stack(0x03f20000,0x03f70000)] > 0x03081400 JavaThread "ConnectorThread:[http-8080]" daemon > [_thread_blocked, id=3096, stack(0x03ed0000,0x03f20000)] > 0x035e1800 JavaThread "WinstoneHostConfigurationMgmt:default" daemon > [_thread_blocked, id=3092, stack(0x03e80000,0x03ed0000)] > 0x035ae000 JavaThread "Java2D Disposer" daemon [_thread_blocked, > id=3084, stack(0x03de0000,0x03e30000)] > 0x02be1800 JavaThread "Low Memory Detector" daemon [_thread_blocked, > id=948, stack(0x02e50000,0x02ea0000)] > 0x02bd6400 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, > id=956, stack(0x02e00000,0x02e50000)] > 0x02bd1400 JavaThread "Attach Listener" daemon [_thread_blocked, > id=1576, stack(0x02db0000,0x02e00000)] > 0x02bd0000 JavaThread "Signal Dispatcher" daemon [_thread_blocked, > id=1564, stack(0x02d60000,0x02db0000)] > 0x02bc8400 JavaThread "Finalizer" daemon [_thread_blocked, id=880, > stack(0x02d10000,0x02d60000)] > 0x02bc6c00 JavaThread "Reference Handler" daemon [_thread_blocked, > id=128, stack(0x02cc0000,0x02d10000)] > > Other Threads: > 0x02b8a800 VMThread [stack: 0x02c70000,0x02cc0000] [id=1944] > 0x02be3800 WatcherThread [stack: 0x02ea0000,0x02ef0000] [id=1632] > > VM state:synchronizing (normal execution) > > VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event]) > [0x003b58f8] Safepoint_lock - owner thread: 0x02b8a800 > [0x003b5960] Threads_lock - owner thread: 0x02b8a800 > > Heap > def new generation total 30848K, used 27705K [0x229a0000, 0x24b10000, > 0x27ef0000) > eden space 27456K, 97% used [0x229a0000, 0x243b0588, 0x24470000) > from space 3392K, 29% used [0x247c0000, 0x248bdf88, 0x24b10000) > to space 3392K, 0% used [0x24470000, 0x24470000, 0x247c0000) > tenured generation total 68288K, used 37646K [0x27ef0000, 0x2c1a0000, > 0x329a0000) > the space 68288K, 55% used [0x27ef0000, 0x2a3b3808, 0x2a3b3a00, > 0x2c1a0000) > compacting perm gen total 37632K, used 37462K [0x329a0000, 0x34e60000, > 0x369a0000) > the space 37632K, 99% used [0x329a0000, 0x34e35ac8, 0x34e35c00, > 0x34e60000) > ro space 10240K, 55% used [0x369a0000, 0x36f23148, 0x36f23200, > 0x373a0000) > rw space 12288K, 55% used [0x373a0000, 0x37a45f30, 0x37a46000, > 0x37fa0000) > > Code Cache [0x00990000, 0x013e0000, 0x02990000) > total_blobs=4953 nmethods=4469 adapters=419 free_code_cache=22747776 > largest_free_block=320 > > Dynamic libraries: > 0x00400000 - 0x00425000 E:\Programme\Java\jdk1.6.0_39\bin\java.exe > 0x7c910000 - 0x7c9c9000 C:\WINDOWS\system32\ntdll.dll > 0x7c800000 - 0x7c908000 C:\WINDOWS\system32\kernel32.dll > 0x77da0000 - 0x77e4a000 C:\WINDOWS\system32\ADVAPI32.dll > 0x77e50000 - 0x77ee3000 C:\WINDOWS\system32\RPCRT4.dll > 0x77fc0000 - 0x77fd1000 C:\WINDOWS\system32\Secur32.dll > 0x7c340000 - 0x7c396000 > E:\Programme\Java\jdk1.6.0_39\jre\bin\msvcr71.dll > 0x6d8c0000 - 0x6db70000 > E:\Programme\Java\jdk1.6.0_39\jre\bin\client\jvm.dll > 0x7e360000 - 0x7e3f1000 C:\WINDOWS\system32\USER32.dll > 0x77ef0000 - 0x77f39000 C:\WINDOWS\system32\GDI32.dll > 0x76af0000 - 0x76b1e000 C:\WINDOWS\system32\WINMM.dll > 0x6d870000 - 0x6d87c000 > E:\Programme\Java\jdk1.6.0_39\jre\bin\verify.dll > 0x6d3d0000 - 0x6d3ef000 E:\Programme\Java\jdk1.6.0_39\jre\bin\java.dll > 0x6d8b0000 - 0x6d8bf000 E:\Programme\Java\jdk1.6.0_39\jre\bin\zip.dll > 0x68000000 - 0x68036000 C:\WINDOWS\system32\rsaenh.dll > 0x77be0000 - 0x77c38000 C:\WINDOWS\system32\msvcrt.dll > 0x76620000 - 0x766d6000 C:\WINDOWS\system32\USERENV.dll > 0x597d0000 - 0x59825000 C:\WINDOWS\system32\netapi32.dll > 0x6d6b0000 - 0x6d6c3000 E:\Programme\Java\jdk1.6.0_39\jre\bin\net.dll > 0x71a10000 - 0x71a27000 C:\WINDOWS\system32\WS2_32.dll > 0x71a00000 - 0x71a08000 C:\WINDOWS\system32\WS2HELP.dll > 0x719b0000 - 0x719f0000 C:\WINDOWS\System32\mswsock.dll > 0x76ee0000 - 0x76f07000 C:\WINDOWS\system32\DNSAPI.dll > 0x76d20000 - 0x76d39000 C:\WINDOWS\system32\iphlpapi.dll > 0x76f70000 - 0x76f78000 C:\WINDOWS\System32\winrnr.dll > 0x76f20000 - 0x76f4d000 C:\WINDOWS\system32\WLDAP32.dll > 0x76f80000 - 0x76f86000 C:\WINDOWS\system32\rasadhlp.dll > 0x6d850000 - 0x6d858000 > E:\Programme\Java\jdk1.6.0_39\jre\bin\sunmscapi.dll > 0x77a50000 - 0x77ae6000 C:\WINDOWS\system32\CRYPT32.dll > 0x77af0000 - 0x77b02000 C:\WINDOWS\system32\MSASN1.dll > 0x6d0b0000 - 0x6d1fc000 E:\Programme\Java\jdk1.6.0_39\jre\bin\awt.dll > 0x72f70000 - 0x72f96000 C:\WINDOWS\system32\WINSPOOL.DRV > 0x76330000 - 0x7634d000 C:\WINDOWS\system32\IMM32.dll > 0x774b0000 - 0x775ee000 C:\WINDOWS\system32\ole32.dll > 0x773a0000 - 0x774a3000 > C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.6028_x-ww_61e65202\COMCTL32.dll > 0x77f40000 - 0x77fb6000 C:\WINDOWS\system32\SHLWAPI.dll > 0x6d2e0000 - 0x6d32f000 > E:\Programme\Java\jdk1.6.0_39\jre\bin\fontmanager.dll > 0x66710000 - 0x66769000 C:\WINDOWS\system32\hnetcfg.dll > 0x719f0000 - 0x719f8000 C:\WINDOWS\System32\wshtcpip.dll > 0x6d600000 - 0x6d609000 > E:\Programme\Java\jdk1.6.0_39\jre\bin\management.dll > 0x6d6d0000 - 0x6d6d9000 E:\Programme\Java\jdk1.6.0_39\jre\bin\nio.dll > 0x76d00000 - 0x76d18000 C:\WINDOWS\system32\MPRAPI.dll > 0x77c90000 - 0x77cc2000 C:\WINDOWS\system32\ACTIVEDS.dll > 0x76dd0000 - 0x76df5000 C:\WINDOWS\system32\adsldpc.dll > 0x76ad0000 - 0x76ae1000 C:\WINDOWS\system32\ATL.DLL > 0x770f0000 - 0x7717b000 C:\WINDOWS\system32\OLEAUT32.dll > 0x76e40000 - 0x76e4e000 C:\WINDOWS\system32\rtutils.dll > 0x71b70000 - 0x71b83000 C:\WINDOWS\system32\SAMLIB.dll > 0x778f0000 - 0x779e4000 C:\WINDOWS\system32\SETUPAPI.dll > 0x10000000 - 0x10055000 E:\Dokumente und Einstellungen\zbm02\Lokale > Einstellungen\Temp\jna\jna7999027489353729747.dll > 0x76bb0000 - 0x76bbb000 C:\WINDOWS\system32\PSAPI.DLL > 0x7e670000 - 0x7ee91000 C:\WINDOWS\system32\shell32.dll > 0x6d250000 - 0x6d273000 E:\Programme\Java\jdk1.6.0_39\jre\bin\dcpr.dll > > VM Arguments: > jvm_args: -Xms100m -Xmx256m -Djava.awt.headless=true -Djenkins.udp=58080 > java_command: D:/_jenkins_/jenkins-1.502.war > --javaHome=E:/Programme/Java/jdk1.6.0_39 --httpPort=8080 > --webroot=D:/_jenkins_/instances/current/web > Launcher Type: SUN_STANDARD > > Environment Variables: > JAVA_HOME=E:/Programme/Java/jdk1.6.0_39 > > PATH=D:\sde\tools\jdk\jdk1.6.0_26\bin;D:\Programme\IBM\Rational\Synergy\7.1\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;D:\sde\tools\cygwin\Cygwin_1.7.1\bin;D:\sde\tools\cygwin\Cygwin_1.7.1;D:\sde\tools\ant\apache-ant-1.7.1\bin;D:\sde\lib\oracle\Oracle_11.2.0.1\lib > USERNAME=zbm02 > OS=Windows_NT > PROCESSOR_IDENTIFIER=x86 Family 6 Model 23 Stepping 10, GenuineIntel > > > > --------------- S Y S T E M --------------- > > OS: Windows XP Build 2600 Service Pack 3 > > CPU:total 2 (1 cores per cpu, 1 threads per core) family 6 model 23 > stepping 10, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1 > > Memory: 4k page, physical 3145192k(2384504k free), swap 5076472k(4392172k > free) > > vm_info: Java HotSpot(TM) Client VM (20.14-b01) for windows-x86 JRE > (1.6.0_39-b04), built on Jan 15 2013 14:00:47 by "java_re" with MS VC++ 7.1 > (VS2003) > > time: Wed Feb 20 09:52:36 2013 > elapsed time: 14772 seconds > > > > -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
