For better performance. Now I figured out what your problem is. Let
me try to fix it.
Thanks!
Trustin
On Nov 15, 2007 6:45 PM, tiandike <[EMAIL PROTECTED]> wrote:
>
> I look at sourcecode in mina ByteBuffer:
>
> ObjectInputStream in = new ObjectInputStream(asInputStream()) {
> protected ObjectStreamClass readClassDescriptor()
> throws IOException, ClassNotFoundException {
> String className = readUTF();
> Class<?> clazz = Class
> .forName(className, true, classLoader);
> return ObjectStreamClass.lookup(clazz);
> }
> }
>
>
> why overrides ObjectInputStream.readClassDescriptor()??
>
>
> tiandike wrote:
> >
> > My request has a Map and put a Class[] params in this map , and I put a
> > long class in the params.
> >
> > Class[] c= {long.class,int.class};
> > Map map = new HashMap();
> > map.put(1, c);
> >
> >
> > I find exception is in the code ByteBuffer.getObject:
> >
> > String className = readUTF();
> > Class<?> clazz = Class
> > .forName(className, true, classLoader);
> > return ObjectStreamClass.lookup(clazz);
> >
> > when className is long ,Class.forName throws exception:
> >
> > my mina version is 1.1.4
> >
> >
>
> > Trustin Lee wrote:
> >>
> >> Please provide me some code that reproduces your problem.
> >>
> >> Thanks in advance,
> >> Trustin
> >>
> >> On Nov 14, 2007 11:59 AM, tiandike <[EMAIL PROTECTED]> wrote:
> >>>
> >>> I debug in my mina server :
> >>> and find exception:
> >>>
> >>> org.apache.mina.common.BufferDataException:
> >>> java.io.InvalidClassException:
> >>> failed to read class descriptor
> >>> at
> >>> org.apache.mina.common.ByteBuffer.getObject(ByteBuffer.java:1487)
> >>> at
> >>> org.apache.mina.filter.codec.serialization.ObjectSerializationDecoder.doDecode(ObjectSerializationDecoder.java:92)
> >>> at
> >>> org.apache.mina.filter.codec.CumulativeProtocolDecoder.decode(CumulativeProtocolDecoder.java:133)
> >>> at
> >>> org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:159)
> >>> at
> >>> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)
> >>> at
> >>> org.apache.mina.common.support.AbstractIoFilterChain.access$1100(AbstractIoFilterChain.java:53)
> >>> at
> >>> org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.messageReceived(AbstractIoFilterChain.java:648)
> >>> at
> >>> org.apache.mina.common.support.AbstractIoFilterChain$HeadFilter.messageReceived(AbstractIoFilterChain.java:499)
> >>> at
> >>> org.apache.mina.common.support.AbstractIoFilterChain.callNextMessageReceived(AbstractIoFilterChain.java:299)
> >>> at
> >>> org.apache.mina.common.support.AbstractIoFilterChain.fireMessageReceived(AbstractIoFilterChain.java:293)
> >>> at
> >>> org.apache.mina.transport.socket.nio.SocketIoProcessor.read(SocketIoProcessor.java:218)
> >>> at
> >>> org.apache.mina.transport.socket.nio.SocketIoProcessor.process(SocketIoProcessor.java:188)
> >>> at
> >>> org.apache.mina.transport.socket.nio.SocketIoProcessor.access$400(SocketIoProcessor.java:44)
> >>> at
> >>> org.apache.mina.transport.socket.nio.SocketIoProcessor$Worker.run(SocketIoProcessor.java:464)
> >>> at
> >>> org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:51)
> >>> at
> >>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
> >>> at
> >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
> >>> at java.lang.Thread.run(Thread.java:619)
> >>> Caused by: java.io.InvalidClassException: failed to read class
> >>> descriptor
> >>> at
> >>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1567)
> >>> at
> >>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
> >>> at
> >>> java.io.ObjectInputStream.readClass(ObjectInputStream.java:1462)
> >>> at
> >>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1312)
> >>> at
> >>> java.io.ObjectInputStream.readArray(ObjectInputStream.java:1667)
> >>> at
> >>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1323)
> >>> at
> >>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
> >>> at
> >>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
> >>> at
> >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
> >>> at
> >>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
> >>> at
> >>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
> >>> at java.util.HashMap.readObject(HashMap.java:1030)
> >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >>> at
> >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> >>> at
> >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> >>> at java.lang.reflect.Method.invoke(Method.java:597)
> >>> at
> >>> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)
> >>> at
> >>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1846)
> >>> at
> >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
> >>> at
> >>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
> >>> at
> >>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1945)
> >>> at
> >>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1869)
> >>> at
> >>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)
> >>> at
> >>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
> >>> at
> >>> java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
> >>> at
> >>> org.apache.mina.common.ByteBuffer.getObject(ByteBuffer.java:1485)
> >>> ... 17 more
> >>> Caused by: java.lang.ClassNotFoundException: long
> >>> at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
> >>> at java.security.AccessController.doPrivileged(Native Method)
> >>> at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
> >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> >>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
> >>> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> >>> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> >>> at java.lang.Class.forName0(Native Method)
> >>> at java.lang.Class.forName(Class.java:247)
> >>> at
> >>> org.apache.mina.common.ByteBuffer$3.readClassDescriptor(ByteBuffer.java:1480)
> >>> at
> >>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1565)
> >>> ... 42 more
> >>>
> >>>
> >>>
> >>>
> >>> tiandike wrote:
> >>> >
> >>> > I use ObjectSerializationCodecFactory in my mina server and client app
> >>> .
> >>> >
> >>> > I define a Map field in my requestmessage and in this Map i put
> >>> Object[]
> >>> > args and Class[] clazzes;
> >>> > in the first bytebuffer I use Long ,but the seconde bytebuffer i use
> >>> > long.
> >>> >
> >>> > I find first bytebuffer can be sent to mina server, but the second
> >>> can't .
> >>> > first
> >>> > DirectBuffer[pos=0 lim=440 cap=512: 00 00 01 B4 AC ED 00 05 73 72 00
> >>> 34 63
> >>> > 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75 6E 64 65 72 62 69
> >>> 72 64
> >>> > 2E 6D 65 73 73 61 67 65 2E 44 65 66 61 75 6C 74 55 49 43 52 65 71 75
> >>> 65 73
> >>> > 74 78 72 00 35 63 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75
> >>> 6E 64
> >>> > 65 72 62 69 72 64 2E 6D 65 73 73 61 67 65 2E 41 62 73 74 72 61 63 74
> >>> 55 49
> >>> > 43 4D 65 73 73 61 67 65 78 70 73 72 00 11 6A 61 76 61 2E 75 74 69 6C
> >>> 2E 48
> >>> > 61 73 68 4D 61 70 78 70 3F 40 00 00 00 00 00 0C 77 08 00 00 00 10 00
> >>> 00 00
> >>> > 01 74 00 0D 5F 64 65 66 61 75 6C 74 4D 6F 64 65 6C 73 72 00 26 63 6F
> >>> 6D 2E
> >>> > 74 61 6F 62 61 6F 2E 75 69 63 2E 63 6C 61 77 2E 63 6C 69 65 6E 74 2E
> >>> 43 6C
> >>> > 61 77 43 6F 6E 74 65 78 74 78 70 74 00 07 67 65 74 44 61 74 61 75 72
> >>> 00 13
> >>> > 5B 4C 6A 61 76 61 2E 6C 61 6E 67 2E 4F 62 6A 65 63 74 3B 78 70 00 00
> >>> 00 02
> >>> > 73 72 00 0E 6A 61 76 61 2E 6C 61 6E 67 2E 4C 6F 6E 67 78 72 00 10 6A
> >>> 61 76
> >>> > 61 2E 6C 61 6E 67 2E 4E 75 6D 62 65 72 78 70 00 00 00 00 07 39 89 4C
> >>> 74 00
> >>> > 12 64 61 74 61 2D 69 6E 66 6F 2D 75 73 65 72 64 61 74 61 75 72 00 12
> >>> 5B 4C
> >>> > 6A 61 76 61 2E 6C 61 6E 67 2E 43 6C 61 73 73 3B 78 70 00 00 00 02 76
> >>> 72 00
> >>> > 04 6C 6F 6E 67 78 70 76 72 00 10 6A 61 76 61 2E 6C 61 6E 67 2E 53 74
> >>> 72 69
> >>> > 6E 67 78 70 78 73 71 00 7E 00 0B 00 00 00 00 00 00 00 01 01 70 74 00
> >>> 08 75
> >>> > 73 65 72 64 61 74 61 74 00 0F 75 73 65 72 44 61 74 61 53 65 72 76 69
> >>> 63 65
> >>> > 70 70]
> >>> > second
> >>> > DirectBuffer[pos=0 lim=436 cap=512: 00 00 01 B0 AC ED 00 05 73 72 00
> >>> 34 63
> >>> > 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75 6E 64 65 72 62 69
> >>> 72 64
> >>> > 2E 6D 65 73 73 61 67 65 2E 44 65 66 61 75 6C 74 55 49 43 52 65 71 75
> >>> 65 73
> >>> > 74 78 72 00 35 63 6F 6D 2E 74 61 6F 62 61 6F 2E 75 69 63 2E 74 68 75
> >>> 6E 64
> >>> > 65 72 62 69 72 64 2E 6D 65 73 73 61 67 65 2E 41 62 73 74 72 61 63 74
> >>> 55 49
> >>> > 43 4D 65 73 73 61 67 65 78 70 73 72 00 11 6A 61 76 61 2E 75 74 69 6C
> >>> 2E 48
> >>> > 61 73 68 4D 61 70 78 70 3F 40 00 00 00 00 00 0C 77 08 00 00 00 10 00
> >>> 00 00
> >>> > 01 74 00 0D 5F 64 65 66 61 75 6C 74 4D 6F 64 65 6C 73 72 00 26 63 6F
> >>> 6D 2E
> >>> > 74 61 6F 62 61 6F 2E 75 69 63 2E 63 6C 61 77 2E 63 6C 69 65 6E 74 2E
> >>> 43 6C
> >>> > 61 77 43 6F 6E 74 65 78 74 78 70 74 00 07 67 65 74 44 61 74 61 75 72
> >>> 00 13
> >>> > 5B 4C 6A 61 76 61 2E 6C 61 6E 67 2E 4F 62 6A 65 63 74 3B 78 70 00 00
> >>> 00 02
> >>> > 73 72 00 0E 6A 61 76 61 2E 6C 61 6E 67 2E 4C 6F 6E 67 78 72 00 10 6A
> >>> 61 76
> >>> > 61 2E 6C 61 6E 67 2E 4E 75 6D 62 65 72 78 70 00 00 00 00 07 39 89 4C
> >>> 74 00
> >>> > 12 64 61 74 61 2D 69 6E 66 6F 2D 75 73 65 72 64 61 74 61 75 72 00 12
> >>> 5B 4C
> >>> > 6A 61 76 61 2E 6C 61 6E 67 2E 43 6C 61 73 73 3B 78 70 00 00 00 02 76
> >>> 71 00
> >>> > 7E 00 0B 76 72 00 10 6A 61 76 61 2E 6C 61 6E 67 2E 53 74 72 69 6E 67
> >>> 78 70
> >>> > 78 73 71 00 7E 00 0B 00 00 00 00 00 00 00 01 01 70 74 00 08 75 73 65
> >>> 72 64
> >>> > 61 74 61 74 00 0F 75 73 65 72 44 61 74 61 53 65 72 76 69 63 65 70 70]
> >>> >
> >>> > /////////////////////
> >>> > in SocketIoProcessor doFlush(SocketSessionImpl session) , i find the
> >>> code
> >>> > below are executed in these two condition.
> >>> >
> >>> > if (key.isWritable()) {
> >>> > writtenBytes += ch.write(buf.buf());
> >>> > }
> >>> >
> >>> > I don't know why! it's so strange!
> >>> >
> >>> >
> >>>
> >>> --
> >>> View this message in context:
> >>> http://www.nabble.com/a-question-about-codec.serialization-tf4801841s16868.html#a13739039
> >>>
> >>> Sent from the Apache MINA Support Forum mailing list archive at
> >>> Nabble.com.
> >>>
> >>>
> >>
> >>
> >>
> >> --
> >> what we call human nature is actually human habit
> >> --
> >> http://gleamynode.net/
> >> --
> >> PGP Key ID: 0x0255ECA6
> >>
> >>
> >
> >
>
> --
> View this message in context:
> http://www.nabble.com/a-question-about-codec.serialization-tf4801841s16868.html#a13764446
>
> Sent from the Apache MINA Support Forum mailing list archive at Nabble.com.
>
>
--
what we call human nature is actually human habit
--
http://gleamynode.net/
--
PGP Key ID: 0x0255ECA6
