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闲.大赋(李家智) / beetl2.0

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关于 ObjectUtil 深度复制一个对象（copy）接口问题

待办的
草者
创建于  
2017-04-25 20:58

项目中使用了该模板引擎在压测过程中出现问题，该方法存在资源没有释放问题，建议能优化一下。JVM异常如下：
Register to memory mapping:

RAX=
[error occurred during error reporting (printing register info), id 0xb]

Stack: [0x00007faf12ec0000,0x00007faf12f01000], sp=0x00007faf12efa8c0, free space=234k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x91dc71] SymbolTable::lookup(Symbol const*, int, int, Thread*)+0xe1
V [libjvm.so+0x8d18f7] SignatureStream::as_symbol(Thread*)+0x37
V [libjvm.so+0x7d5781] methodOopDesc::load_signature_classes(methodHandle, Thread*)+0x1b1
V [libjvm.so+0x44f121] CompileBroker::compile_method(methodHandle, int, int, methodHandle, int, char const*, Thread*)+0x1c1
V [libjvm.so+0x43c00f] SimpleCompPolicy::method_invocation_event(methodHandle, JavaThread*)+0xef
V [libjvm.so+0x43b492] NonTieredCompPolicy::event(methodHandle, methodHandle, int, int, CompLevel, nmethod*, JavaThread*)+0x102
V [libjvm.so+0x5f8847] InterpreterRuntime::frequency_counter_overflow_inner(JavaThread*, unsigned char*)+0x157
V [libjvm.so+0x5fc7d6] InterpreterRuntime::frequency_counter_overflow(JavaThread*, unsigned char*)+0x16
j java.io.ObjectStreamClass$FieldReflector.getPrimFieldValues(Ljava/lang/Object;[B)V+0
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf45984d64 [0x00007faf45984c80+0xe4]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
j java.io.ObjectOutputStream.writeArray(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+533
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+467
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
j java.io.ObjectOutputStream.writeArray(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+533
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+467
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
j java.io.ObjectOutputStream.writeArray(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+533
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+467
J 4351 C2 java.io.ObjectOutputStream.defaultWriteFields(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V (270 bytes) @ 0x00007faf4598511c [0x00007faf45984c80+0x49c]
j java.io.ObjectOutputStream.writeSerialData(Ljava/lang/Object;Ljava/io/ObjectStreamClass;)V+211
j java.io.ObjectOutputStream.writeOrdinaryObject(Ljava/lang/Object;Ljava/io/ObjectStreamClass;Z)V+137
j java.io.ObjectOutputStream.writeObject0(Ljava/lang/Object;Z)V+506
J 4483 C2 java.io.ObjectOutputStream.writeObject(Ljava/lang/Object;)V (38 bytes) @ 0x00007faf459bbe24 [0x00007faf459bbde0+0x44]
j org.beetl.core.om.ObjectUtil.copy(Ljava/lang/Object;)Ljava/lang/Object;+29
j org.beetl.core.statement.ProgramMetaData.copy()Lorg/beetl/core/statement/ProgramMetaData;+1
j org.beetl.core.engine.FastRuntimeEngine.createProgram(Lorg/beetl/core/Resource;Ljava/io/Reader;Ljava/util/Map;Ljava/lang/String;Lorg/beetl/core/GroupTemplate;)Lorg/beetl/core/statement/Program;+18
j org.beetl.core.GroupTemplate.loadTemplate(Lorg/beetl/core/Resource;Z)Lorg/beetl/core/statement/Program;+195
j org.beetl.core.GroupTemplate.getTemplateByLoader(Ljava/lang/String;Lorg/beetl/core/ResourceLoader;Z)Lorg/beetl/core/Template;+48
j org.beetl.core.GroupTemplate.getTemplate(Ljava/lang/String;)Lorg/beetl/core/Template;+7

评论 (3)

草者 创建了任务

最后的异常显示什么 outofmemeory，还是 虚拟机宕机？

具体压测的环境是什么，模拟多少个模板？并发是怎么样的？

JVM配置和版本是什么

不是outofmemeory异常，时直接JVM宕机了。
有一个页面采用beet作为模板，压测打开该页面，后面我把ObjectUtil作了下修改，已经OK：
public static Object copy(Object o) {

if (o instanceof java.io.Serializable) {
  ByteArrayOutputStream bs = null;
  ObjectOutputStream dos = null;
  ByteArrayInputStream is = null;
  ObjectInputStream ios = null;
  try {
    bs = new ByteArrayOutputStream(DEFAULT_BUFFER_SIZE);
    dos = new ObjectOutputStream(bs);
    dos.writeObject(o);
    is = new ByteArrayInputStream(bs.toByteArray());
    ios = new ObjectInputStream(is);
    Object copy = ios.readObject();
    return copy;
  } catch (IOException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
  } catch (ClassNotFoundException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
  } finally {
    if (ios != null) {
      try {
        ios.reset();
      } catch (IOException e) {
      }
      IOUtils.closeQuietly(ios);
    }
    if (is != null) {
      is.reset();
      IOUtils.closeQuietly(is);
    }
    if (dos != null) {
      try {
        dos.reset();
      } catch (IOException e) {
      }
      IOUtils.closeQuietly(dos);
    }
    if (bs != null) {
      bs.reset();
      IOUtils.closeQuietly(bs);
    }
  }

}

return null;

}

29 xiandafu 1678706040
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