[update] mv classes to sub package memory in module java-jvm

brianway · brianway · commit 8484ac31cbb4 · 2017-03-02T20:38:29.000+08:00
diff --git a/java-jvm/src/main/java/com/brianway/learning/java/jvm/JavaVMStackSOF.java b/java-jvm/src/main/java/com/brianway/learning/java/jvm/JavaVMStackSOF.java
diff --git a/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/DirectMemoryOOM.java b/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/DirectMemoryOOM.java
@@ -1,4 +1,4 @@
-package com.brianway.learning.java.jvm;
+package com.brianway.learning.java.jvm.memory;
 
 import sun.misc.Unsafe;
 
diff --git a/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/HeapOOM.java b/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/HeapOOM.java
@@ -1,4 +1,4 @@
-package com.brianway.learning.java.jvm;
+package com.brianway.learning.java.jvm.memory;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -34,7 +34,7 @@ public static void main(String[] args) {
 	at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:235)
 	at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:227)
 	at java.util.ArrayList.add(ArrayList.java:458)
-	at com.brianway.learning.java.jvm.HeapOOM.main(HeapOOM.java:19)
+	at com.brianway.learning.java.jvm.memory.HeapOOM.main(HeapOOM.java:19)
 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
diff --git a/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/JavaVMStackOOM.java b/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/JavaVMStackOOM.java
@@ -1,4 +1,4 @@
-package com.brianway.learning.java.jvm;
+package com.brianway.learning.java.jvm.memory;
 
 /**
  * Created by brian on 17/3/1.
@@ -34,8 +34,8 @@ Java HotSpot(TM) 64-Bit Server VM warning: Exception java.lang.OutOfMemoryError
 Exception in thread "main" java.lang.OutOfMemoryError: unable to create new native thread
 	at java.lang.Thread.start0(Native Method)
 	at java.lang.Thread.start(Thread.java:714)
-	at com.brianway.learning.java.jvm.JavaVMStackOOM.stackLeakByThread(JavaVMStackOOM.java:22)
-	at com.brianway.learning.java.jvm.JavaVMStackOOM.main(JavaVMStackOOM.java:28)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackOOM.stackLeakByThread(JavaVMStackOOM.java:22)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackOOM.main(JavaVMStackOOM.java:28)
 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
diff --git a/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/JavaVMStackSOF.java b/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/JavaVMStackSOF.java
@@ -0,0 +1,50 @@
+package com.brianway.learning.java.jvm.memory;
+
+/**
+ * Created by brian on 17/3/1.
+ * 虚拟机栈和本地方法栈 OOM 测试
+ * VM Args: -Xss256k
+ */
+public class JavaVMStackSOF {
+    private int stackLength = 1;
+
+    public void stackLeak() {
+        stackLength++;
+        stackLeak();
+    }
+
+    public static void main(String[] args) {
+        JavaVMStackSOF oom = new JavaVMStackSOF();
+
+        try {
+            oom.stackLeak();
+        } catch (Throwable e) {
+            System.out.println("stack length:" + oom.stackLength);
+            throw e;
+        }
+    }
+
+}
+
+/*
+stack length:1862
+Exception in thread "main" java.lang.StackOverflowError
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:12)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+	at com.brianway.learning.java.jvm.memory.JavaVMStackSOF.stackLeak(JavaVMStackSOF.java:13)
+
+	.....
+
+
+
+Process finished with exit code 1
+ */
diff --git a/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/RuntimeConstantPoolOOM.java b/java-jvm/src/main/java/com/brianway/learning/java/jvm/memory/RuntimeConstantPoolOOM.java
@@ -1,4 +1,4 @@
-package com.brianway.learning.java.jvm;
+package com.brianway.learning.java.jvm.memory;
 
 import java.util.ArrayList;
 import java.util.List;

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package com.brianway.learning.java.jvm;`
	`1`	`+package com.brianway.learning.java.jvm.memory;`
`2`	`2`
`3`	`3`	`import sun.misc.Unsafe;`
`4`	`4`