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[update] mv classes to sub package memory in module java-jvm · JavaDevelopRep/java-learning@8484ac3 · GitHub

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[update] mv classes to sub package memory in module java-jvm
1 parent b024c36 commit 8484ac3

6 files changed

Lines changed: 57 additions & 57 deletions

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‎java-jvm/src/main/java/com/brianway/learning/java/jvm/JavaVMStackSOF.java‎

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This file was deleted.

java-jvm/src/main/java/com/brianway/learning/java/jvm/DirectMemoryOOM.java renamed to java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/DirectMemoryOOM.java

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package com.brianway.learning.java.jvm;
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package com.brianway.learning.java.jvm.memory;
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import sun.misc.Unsafe;
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java-jvm/src/main/java/com/brianway/learning/java/jvm/HeapOOM.java renamed to java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/HeapOOM.java

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package com.brianway.learning.java.jvm;
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package com.brianway.learning.java.jvm.memory;
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import java.util.ArrayList;
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import java.util.List;
@@ -34,7 +34,7 @@ public static void main(String[] args) {
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at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:235)
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at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:227)
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at java.util.ArrayList.add(ArrayList.java:458)
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at com.brianway.learning.java.jvm.HeapOOM.main(HeapOOM.java:19)
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at com.brianway.learning.java.jvm.memory.HeapOOM.main(HeapOOM.java:19)
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at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

java-jvm/src/main/java/com/brianway/learning/java/jvm/JavaVMStackOOM.java renamed to java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/JavaVMStackOOM.java

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package com.brianway.learning.java.jvm;
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package com.brianway.learning.java.jvm.memory;
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/**
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* Created by brian on 17/3/1.
@@ -34,8 +34,8 @@ Java HotSpot(TM) 64-Bit Server VM warning: Exception java.lang.OutOfMemoryError
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Exception in thread "main" java.lang.OutOfMemoryError: unable to create new native thread
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at java.lang.Thread.start0(Native Method)
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at java.lang.Thread.start(Thread.java:714)
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at com.brianway.learning.java.jvm.JavaVMStackOOM.stackLeakByThread(JavaVMStackOOM.java:22)
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at com.brianway.learning.java.jvm.JavaVMStackOOM.main(JavaVMStackOOM.java:28)
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at com.brianway.learning.java.jvm.memory.JavaVMStackOOM.stackLeakByThread(JavaVMStackOOM.java:22)
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at com.brianway.learning.java.jvm.memory.JavaVMStackOOM.main(JavaVMStackOOM.java:28)
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at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
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at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
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at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

‎java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/JavaVMStackSOF.java‎

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package com.brianway.learning.java.jvm.memory;
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/**
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* Created by brian on 17/3/1.
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* 虚拟机栈和本地方法栈 OOM 测试
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* VM Args: -Xss256k
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*/
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public class JavaVMStackSOF {
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private int stackLength = 1;
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public void stackLeak() {
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stackLength++;
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stackLeak();
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}
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public static void main(String[] args) {
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JavaVMStackSOF oom = new JavaVMStackSOF();
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try {
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oom.stackLeak();
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} catch (Throwable e) {
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System.out.println("stack length:" + oom.stackLength);
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throw e;
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}
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}
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}
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/*
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stack length:1862
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Exception in thread "main" java.lang.StackOverflowError
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:12)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
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.....
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Process finished with exit code 1
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*/

java-jvm/src/main/java/com/brianway/learning/java/jvm/RuntimeConstantPoolOOM.java renamed to java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/RuntimeConstantPoolOOM.java

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package com.brianway.learning.java.jvm;
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package com.brianway.learning.java.jvm.memory;
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import java.util.ArrayList;
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import java.util.List;

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