Java 测试Thread StackOverflowError

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测试堆栈溢出

    @Testpublic void testStackOverflow() {try {foo1();} catch (Throwable throwable) {// 栈满时，打印递归深度System.out.println(countRecursion);throw throwable;}}public void foo1() {++countRecursion;foo1();}

• JVM option
  • Xmx50m
  • Xss20m
    线程栈大小默认下与堆内存相关，可直接给值

总 -Xmx50m -Xss20m

输出如下：

1112405java.lang.StackOverflowErrorat org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)

作为对比，不设置Xss

11356java.lang.StackOverflowErrorat org.test.learn.jvm.JVMProf.foo1(JVMProf.java:55)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)at org.test.learn.jvm.JVMProf.foo1(JVMProf.java:56)

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