以下是一个简单的Java示例代码,演示如何获取和打印调用栈信息: publicclassStackTraceExample{publicstaticvoidmain(String[]args){try{methodA();}catch(Exceptione){e.printStackTrace();}}publicstaticvoidmethodA(){methodB();}publicstaticvoidmethodB(){methodC();}publicstaticvoidmethodC(){inta=1/0;// ...
publicclassStackTraceExample{publicstaticvoidmain(String[]args){methodA();}publicstaticvoidmethodA(){methodB();}publicstaticvoidmethodB(){printStackTrace();}publicstaticvoidprintStackTrace(){StackTraceElement[]stackTraceElements=Thread.currentThread().getStackTrace();System.out.println("Current stack trac...
For example, if we're using theFractionclass fromApache Commons Langand pass it some input like this: Java Fraction.getFraction(numberOfFoos,numberOfBars); IfnumberOfBarsis zero, then the stack trace will be like this: Exception in thread "main" java.lang.ArithmeticException: The denominator ...
jstack(Java Stack Trace)命令用于生成 Java 进程的线程转储信息。它可以显示每个线程的堆栈跟踪,帮助您找出可能的死锁、死循环和线程问题。 3.1 语法 代码语言:javascript 代码运行次数:0 运行 AI代码解释 jstack [ options ] pid 其中,options 是命令选项,pid 是目标 Java 进程的进程 ID。 以下是一些常用的命令...
For example, -J-mx512m to use a maximum heap size of 512MB -stack false: Turn off tracking object allocation call stack. -refs false: Turn off tracking of references to objects -port <port>: Set the port for the HTTP server. Defaults to 7000 -exclude <file>: Specify a file that ...
堆栈跟踪(Stack Trace): 当程序抛出异常时,JVM会生成一个堆栈跟踪,显示异常发生的位置和调用链。 可能的原因 资源未正确关闭: 在使用通道进行I/O操作后,如果没有正确关闭通道,可能会导致资源泄漏,进而引发异常。 并发问题: 如果多个线程同时操作同一个通道,可能会导致竞争条件,从而引发异常。
Java thread statck trace:是上面2-7行的信息。到目前为止这是最重要的数据,Java stack trace提供了大部分信息来精确定位问题根源。 Java thread statck trace详解: 堆栈信息应该逆向解读:程序先执行的是第7行,然后是第6行,依次类推。 - locked <0xb3885f60> (a java.util.ArrayList) ...
The first example shows a stack trace element consisting of three elements, each separated by "/", followed by the source file name and the line number of the source line containing the execution point. The first element "com.foo.loader" is the name of the class loader. The second element...
| `---[3.447472ms] com.example.demo.arthas.AdminFilterConfig$AdminFilter:doFilter()| `---[0.17259ms] javax.servlet.http.HttpServletResponse:sendError() 通过stack获取调用栈 上面是通过trace命令来获取信息,从结果里,我们可以知道通过stack跟踪HttpServletResponse:sendError(),同样可以知道是哪个Filter返回...
java.lang.OutOfMemoryError: <reason> <stack trace> (Native method) “Java heap space” This error message doesn’t necessarily imply a memory leak. In fact, the problem can be as simple as a configuration issue. For example, I was responsible for analyzing an application which was consisten...